ruxolitinib topical (Rx)

Brand and Other Names:Opzelura

Dosing & Uses

AdultPediatric

Dosage Forms & Strengths

topical cream

  • 1.5% (15mg/g)

Atopic Dermatitis

Indicated for topical short-term and noncontinuous long-term treatment of mild-to-moderate atopic dermatitis in nonimmunocompromised adults whose disease is not adequately controlled with topical prescription therapies or when those therapies are not advisable

Apply thin layer of cream to affected areas BID of up to 20% body surface area; not to exceed >60 g/week or one 100-gram tube/2 weeks

Stop using when signs and symptoms (eg, itch, rash, redness) of atopic dermatitis resolve

If signs and symptoms do not improve within 8 weeks, re-examine patient

Vitiligo

Indicated for topical treatment of nonsegmental vitiligo

Apply thin layer to affected areas BID of up to 10% body surface area; not to exceed >60 g/week or one 100-gram tube/2 weeks

Satisfactory patient response may require treatment for >24 weeks

If no meaningful repigmentation observed by 24 weeks, re-evaluate patient

Dosing Considerations

Limitation of use

  • Not recommended for use in combination with therapeutic biologics, other Janus kinase (JAK) inhibitors, or potent immunosuppressants (eg, azathioprine, cyclosporine)

Dosage Forms & Strengths

topical cream

  • 1.5% (15mg/g)

Atopic Dermatitis

Indicated for topical short-term and noncontinuous long-term treatment of mild-to-moderate atopic dermatitis in nonimmunocompromised patients aged ≥12 years whose disease is not adequately controlled with topical prescription therapies or when those therapies are not advisable

<12 years: Safety and efficacy not established

≥12 years

  • Apply thin layer of cream to affected areas BID of up to 20% body surface area; not to exceed >60 g/week or one 100-gram tube/2 weeks
  • Stop using when signs and symptoms (eg, itch, rash, redness) of atopic dermatitis resolve
  • If signs and symptoms do not improve within 8 weeks, re-examine patient

Vitiligo

Indicated for topical treatment of nonsegmental vitiligo vitiligo in adolescents aged ≥12 years

<12 years: Safety and efficacy not established

≥12 years

  • Apply thin layer to affected areas BID of up to 10% body surface area; not to exceed >60 g/week or one 100-gram tube/2 weeks
  • Satisfactory patient response may require treatment for >24 weeks
  • If no meaningful repigmentation observed by 24 weeks, re-evaluate patient

Dosing Considerations

Limitation of use

  • Not recommended for use in combination with therapeutic biologics, other Janus kinase (JAK) inhibitors, or potent immunosuppressants (eg, azathioprine, cyclosporine)
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Interactions

Interaction Checker

and ruxolitinib topical

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            Contraindicated (0)

              Serious - Use Alternative (44)

              • apalutamide

                apalutamide will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Coadministration of apalutamide, a strong CYP3A4 inducer, with drugs that are CYP3A4 substrates can result in lower exposure to these medications. Avoid or substitute another drug for these medications when possible. Evaluate for loss of therapeutic effect if medication must be coadministered. Adjust dose according to prescribing information if needed.

              • atazanavir

                atazanavir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • axicabtagene ciloleucel

                ruxolitinib topical, axicabtagene ciloleucel. Either increases effects of the other by immunosuppressive effects; risk of infection. Avoid or Use Alternate Drug.

              • boceprevir

                boceprevir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • brexucabtagene autoleucel

                ruxolitinib topical, brexucabtagene autoleucel. Either increases effects of the other by immunosuppressive effects; risk of infection. Avoid or Use Alternate Drug.

              • ceritinib

                ceritinib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

              • chloramphenicol

                chloramphenicol will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib dosage during coadministration with chloramphenicol in patients with myelofibrosis (MF) or polycythemia vera (PV); no dose adjustments necessary for patients with graft-versus-host disease

              • ciltacabtagene autoleucel

                ruxolitinib topical, ciltacabtagene autoleucel. Either increases effects of the other by immunosuppressive effects; risk of infection. Avoid or Use Alternate Drug.

              • clarithromycin

                clarithromycin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • cobicistat

                cobicistat will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

              • conivaptan

                conivaptan will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • darunavir

                darunavir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • delavirdine

                delavirdine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • fexinidazole

                fexinidazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Fexinidazole inhibits CYP3A4. Coadministration may increase risk for adverse effects of CYP3A4 substrates.

              • fosamprenavir

                fosamprenavir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • grapefruit

                grapefruit will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • idecabtagene vicleucel

                ruxolitinib topical, idecabtagene vicleucel. Either increases effects of the other by immunosuppressive effects; risk of infection. Avoid or Use Alternate Drug.

              • idelalisib

                idelalisib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Idelalisib is a strong CYP3A inhibitor; avoid coadministration with sensitive CYP3A substrates

              • imatinib

                imatinib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • indinavir

                indinavir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • isoniazid

                isoniazid will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • itraconazole

                itraconazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • ivacaftor

                ivacaftor increases levels of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Ivacaftor and its M1 metabolite has the potential to inhibit CYP3A4, may significantly increase systemic exposure to 3A4 substrates.

              • ivosidenib

                ivosidenib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Avoid coadministration of sensitive CYP3A4 substrates with ivosidenib or replace with alternative therapies. If coadministration is unavoidable, monitor patients for loss of therapeutic effect of these drugs.

              • ketoconazole

                ketoconazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • levoketoconazole

                levoketoconazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • lisocabtagene maraleucel

                ruxolitinib topical, lisocabtagene maraleucel. Either increases effects of the other by immunosuppressive effects; risk of infection. Avoid or Use Alternate Drug.

              • lonafarnib

                lonafarnib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Avoid coadministration with sensitive CYP3A substrates. If coadministration unavoidable, monitor for adverse reactions and reduce CYP3A substrate dose in accordance with product labeling.

              • lopinavir

                lopinavir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • lurbinectedin

                lurbinectedin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

              • nefazodone

                nefazodone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • nelfinavir

                nelfinavir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • nicardipine

                nicardipine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • posaconazole

                posaconazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • quinidine

                quinidine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • ritonavir

                ritonavir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • saquinavir

                saquinavir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • telaprevir

                telaprevir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • telithromycin

                telithromycin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • tipranavir

                tipranavir will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • tisagenlecleucel

                ruxolitinib topical, tisagenlecleucel. Either increases effects of the other by immunosuppressive effects; risk of infection. Avoid or Use Alternate Drug.

              • tucatinib

                tucatinib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Avoid concomitant use of tucatinib with CYP3A substrates, where minimal concentration changes may lead to serious or life-threatening toxicities. If unavoidable, reduce CYP3A substrate dose according to product labeling.

              • voriconazole

                voriconazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Reduce ruxolitinib starting dose to 10 mg BID with platelet count 100 X 10^9/L or more and concurrent use of strong CYP3A4 inhibitors; avoid with platelet counts <100 X 10^9/L

              • voxelotor

                voxelotor will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Voxelotor increases systemic exposure of sensitive CYP3A4 substrates. Avoid coadministration with sensitive CYP3A4 substrates with a narrow therapeutic index. Consider dose reduction of the sensitive CYP3A4 substrate(s) if unable to avoid.

              Monitor Closely (52)

              • amiodarone

                amiodarone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • aprepitant

                aprepitant will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • bicalutamide

                bicalutamide will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • bosentan

                bosentan will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • carbamazepine

                carbamazepine will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • cenobamate

                cenobamate will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Increase dose of CYP3A4 substrate, as needed, when coadministered with cenobamate.

              • cholera vaccine

                ruxolitinib topical decreases effects of cholera vaccine by immunosuppressive effects; risk of infection. Modify Therapy/Monitor Closely. Immunosuppressive therapies, including irradiation, antimetabolites, alkylating agents, cytotoxic drugs and corticosteroids (used in greater than physiologic doses), may reduce the immune response to cholera vaccine.

              • cimetidine

                cimetidine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • clotrimazole

                clotrimazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • crofelemer

                crofelemer increases levels of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Crofelemer has the potential to inhibit CYP3A4 at concentrations expected in the gut; unlikely to inhibit systemically because minimally absorbed.

              • cyclosporine

                cyclosporine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • dabrafenib

                dabrafenib will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely.

              • diltiazem

                diltiazem will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • doxycycline

                doxycycline will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • dronedarone

                dronedarone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • duvelisib

                duvelisib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Coadministration with duvelisib increases AUC of a sensitive CYP3A4 substrate which may increase the risk of toxicities of these drugs. Consider reducing the dose of the sensitive CYP3A4 substrate and monitor for signs of toxicities of the coadministered sensitive CYP3A substrate.

              • efavirenz

                efavirenz will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • elagolix

                elagolix decreases levels of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Elagolix is a weak-to-moderate CYP3A4 inducer. Monitor CYP3A substrates if coadministered. Consider increasing CYP3A substrate dose if needed.

              • elvitegravir/cobicistat/emtricitabine/tenofovir DF

                elvitegravir/cobicistat/emtricitabine/tenofovir DF increases levels of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Cobicistat is a CYP3A4 inhibitor; contraindicated with CYP3A4 substrates for which elevated plasma concentrations are associated with serious and/or life-threatening events.

              • encorafenib

                encorafenib, ruxolitinib topical. affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Encorafenib both inhibits and induces CYP3A4 at clinically relevant plasma concentrations. Coadministration of encorafenib with sensitive CYP3A4 substrates may result in increased toxicity or decreased efficacy of these agents.

              • enzalutamide

                enzalutamide will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • erythromycin base

                erythromycin base will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • erythromycin ethylsuccinate

                erythromycin ethylsuccinate will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • erythromycin lactobionate

                erythromycin lactobionate will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • erythromycin stearate

                erythromycin stearate will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • fedratinib

                fedratinib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Adjust dose of drugs that are CYP3A4 substrates as necessary.

              • fluconazole

                fluconazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • fosaprepitant

                fosaprepitant will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • fosphenytoin

                fosphenytoin will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • haloperidol

                haloperidol will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • iloperidone

                iloperidone increases levels of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Iloperidone is a time-dependent CYP3A inhibitor and may lead to increased plasma levels of drugs predominantly eliminated by CYP3A4.

              • istradefylline

                istradefylline will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Istradefylline 40 mg/day increased peak levels and AUC of CYP3A4 substrates in clinical trials. This effect was not observed with istradefylline 20 mg/day. Consider dose reduction of sensitive CYP3A4 substrates.

              • lapatinib

                lapatinib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • lidocaine

                lidocaine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • metronidazole

                metronidazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • mitotane

                mitotane decreases levels of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Mitotane is a strong inducer of cytochrome P-4503A4; monitor when coadministered with CYP3A4 substrates for possible dosage adjustments.

              • nafcillin

                nafcillin will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • norfloxacin

                norfloxacin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • phenobarbital

                phenobarbital will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • phenytoin

                phenytoin will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • primidone

                primidone will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • rifampin

                rifampin will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • rifapentine

                rifapentine will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • rucaparib

                rucaparib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Adjust dosage of CYP3A4 substrates, if clinically indicated.

              • sertraline

                sertraline will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • sitaxentan

                sitaxentan will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • stiripentol

                stiripentol, ruxolitinib topical. affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Stiripentol is a CYP3A4 inhibitor and inducer. Monitor CYP3A4 substrates coadministered with stiripentol for increased or decreased effects. CYP3A4 substrates may require dosage adjustment.

              • tazemetostat

                tazemetostat will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • tecovirimat

                tecovirimat will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Tecovirimat is a weak CYP3A4 inducer. Monitor sensitive CYP3A4 substrates for effectiveness if coadministered.

              • tetracycline

                tetracycline will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              • ublituximab

                ublituximab and ruxolitinib topical both increase immunosuppressive effects; risk of infection. Modify Therapy/Monitor Closely. Owing to potential additive immunosuppressive effects, consider duration of effect and mechanism of action of these therapies if coadministered

              • verapamil

                verapamil will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              Minor (114)

              • acetaminophen

                acetaminophen will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • acetaminophen IV

                acetaminophen IV will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • acetaminophen rectal

                acetaminophen rectal will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • acetazolamide

                acetazolamide will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • amlodipine

                amlodipine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • amobarbital

                amobarbital will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • anastrozole

                anastrozole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • apomorphine

                apomorphine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • armodafinil

                armodafinil will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • atorvastatin

                atorvastatin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • azelastine

                azelastine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • azithromycin

                azithromycin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • betamethasone

                betamethasone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • bortezomib

                bortezomib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • bromocriptine

                bromocriptine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • chlorzoxazone

                chlorzoxazone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • ciprofloxacin

                ciprofloxacin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • cisapride

                cisapride will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • clemastine

                clemastine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • cocaine topical

                cocaine topical will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • cyclophosphamide

                cyclophosphamide will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • danazol

                danazol will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • darifenacin

                darifenacin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • dasatinib

                dasatinib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • desvenlafaxine

                desvenlafaxine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • dexlansoprazole

                dexlansoprazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • dexmedetomidine

                dexmedetomidine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • diazepam

                diazepam will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • diclofenac

                diclofenac will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • dihydroergotamine

                dihydroergotamine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • dihydroergotamine intranasal

                dihydroergotamine intranasal will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • disulfiram

                disulfiram will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • docetaxel

                docetaxel will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • doxorubicin

                doxorubicin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • doxorubicin liposomal

                doxorubicin liposomal will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • drospirenone

                drospirenone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • ergotamine

                ergotamine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • ethinylestradiol

                ethinylestradiol will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • etoposide

                etoposide will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • etravirine

                etravirine will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • felodipine

                felodipine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • fluoxetine

                fluoxetine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • fluvastatin

                fluvastatin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • glyburide

                glyburide will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • hydralazine

                hydralazine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • ifosfamide

                ifosfamide will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • irbesartan

                irbesartan will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • isradipine

                isradipine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • lansoprazole

                lansoprazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • larotrectinib

                larotrectinib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • lomustine

                lomustine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • lorlatinib

                lorlatinib will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • losartan

                losartan will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • lovastatin

                lovastatin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • lurasidone

                lurasidone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • mefloquine

                mefloquine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • mestranol

                mestranol will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • methadone

                methadone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • methimazole

                methimazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • methoxsalen

                methoxsalen will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • methylprednisolone

                methylprednisolone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • micafungin

                micafungin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • midazolam

                midazolam will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • mifepristone

                mifepristone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • mirtazapine

                mirtazapine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • mitoxantrone

                mitoxantrone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • nevirapine

                nevirapine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • nifedipine

                nifedipine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • nisoldipine

                nisoldipine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • nizatidine

                nizatidine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • olanzapine

                olanzapine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • omeprazole

                omeprazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • orphenadrine

                orphenadrine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • oxybutynin

                oxybutynin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • oxybutynin topical

                oxybutynin topical will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • oxybutynin transdermal

                oxybutynin transdermal will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • paroxetine

                paroxetine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • pazopanib

                pazopanib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • pentamidine

                pentamidine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • pilocarpine

                pilocarpine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • pimozide

                pimozide will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • pravastatin

                pravastatin will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • prednisolone

                prednisolone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • primaquine

                primaquine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • progesterone micronized

                progesterone micronized will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • progesterone, natural

                progesterone, natural will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • propofol

                propofol will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • quinine

                quinine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • rabeprazole

                rabeprazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • ranolazine

                ranolazine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • ribociclib

                ribociclib will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • rifabutin

                rifabutin will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • risperidone

                risperidone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • secobarbital

                secobarbital will decrease the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • segesterone/ethinyl estradiol

                segesterone/ethinyl estradiol will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • selegiline

                selegiline will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • sirolimus

                sirolimus will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • sulconazole

                sulconazole will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • tamoxifen

                tamoxifen will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • temsirolimus

                temsirolimus will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • teniposide

                teniposide will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • testosterone

                testosterone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • testosterone buccal system

                testosterone buccal system will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • testosterone topical

                testosterone topical will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • ticlopidine

                ticlopidine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • tranylcypromine

                tranylcypromine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • trazodone

                trazodone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • valproic acid

                valproic acid will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • vinblastine

                vinblastine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • vincristine

                vincristine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • vincristine liposomal

                vincristine liposomal will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • vinorelbine

                vinorelbine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • zafirlukast

                zafirlukast will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

              • ziprasidone

                ziprasidone will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

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              Adverse Effects

              1-10%

              Nasopharyngitis (3%)

              Bronchitis (1%)

              Ear infection (1%)

              Eosinophil count increased (1%)

              Urticaria (1%)

              Diarrhea (1%)

              Folliculitis (1%)

              Tonsillitis (1%)

              Rhinorrhea (1%)

              <1%

              Neutropenia

              Allergic conjunctivitis

              Pyrexia

              Seasonal allergy

              Herpes zoster

              Otitis externa

              Staphylococcal infection

              Acneiform dermatitis

              BLACK BOX WARNI

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              Warnings

              Black Box Warnings

              Serious infections

              • Patients treated with oral JAK inhibitors for inflammatory conditions are at risk for developing serious infections that may lead to hospitalization or death
              • Reported infections include:
                • Active tuberculosis (TB), which may present with pulmonary or extrapulmonary disease
                • Invasive fungal infections (eg, candidiasis, pneumocystosis)
                • Bacterial, viral (including herpes zoster), and other infections due to opportunistic pathogens
              • Avoid use in patients with an active, serious infection, including localized infections
              • If a serious infection develops, interrupt therapy until infection is controlled
              • Do not resume until the infection is controlled.
              • Carefully consider the risks and benefits of treatment before initiating therapy in patients with chronic or recurrent infection
              • Closely monitor for developing signs and symptoms of infection during and after treatment

              Mortality

              • Higher rate of all-cause mortality, including sudden cardiovascular (CV) death have been observed with oral JAK inhibitors used for inflammatory conditions
              • In a large, randomized, postmarketing safety study in patients with rheumatoid arthritis (RA) aged >50 yr with at least 1 CV risk factor comparing an oral JAK inhibitor to TNF blocker treatment, a higher rate of all-cause mortality, including sudden CV death, was observed with the JAK inhibitor
              • Consider benefits and risks for the patient before initiating or continuing therapy

              Malignancies

              • Lymphoma and other malignancies observed with JAK inhibitors used for inflammatory conditions
              • Higher rate of malignancies (excluding nonmelanoma skin cancer) observed in patients with RA treated with an oral JAK inhibitor compared with TNF blockers
              • Patients who are current or past smokers are at additional increased risk

              Major adverse cardiovascular events (MACE)

              • Higher rate of MACEs (eg, cardiovascular death, myocardial infarction, stroke) has been observed with JAK inhibitors used for inflammatory conditions

              Thrombosis

              • Increased incidence of thrombosis, including deep venous thrombosis (DVT), pulmonary embolism (PE), and arterial thrombosis, observed with oral JAK inhibitors for inflammatory conditions
              • Many of these adverse reactions were serious and some resulted in death
              • Promptly evaluate patients with symptoms of thrombosis
              • Avoid therapy in patients at risk; if symptoms of thrombosis occur, discontinue therapy and treat appropriately

              Contraindications

              None

              Cautions

              Higher rate of all-cause mortality observed with oral JAK inhibitors used for inflammatory conditions

              Thromboses, including DVT, PE, and arterial thrombosis, were observed with oral JAK inhibitors for inflammatory conditions compared with patients treated with placebo; there was no clear relationship between platelet count elevations and thrombotic events; use with caution in patients who may be at increased risk of thrombosis

              Oral ruxolitinib has been associated with increases in lipid parameters including total cholesterol, low-density lipoprotein cholesterol, and triglycerides

              Major adverse cardiovascular events

              • Major adverse cardiovascular events (MACE) such as cardiovascular death, nonfatal MI, and nonfatal stroke observed with JAK inhibitors used to treat inflammatory conditions; consider benefits and risks, particularly in patients who are current or past smokers and patients with other cardiovascular risk factors
              • Patients who are current or past smokers are at additional increased risk; discontinue therapy in patients who have experienced myocardial infarction or stroke
              • Consider the benefits and risks for the individual patient prior to initiating or continuing therapy, particularly in patients who are current or past smokers and patients with other cardiovascular risk factors; patients should be informed about symptoms of serious cardiovascular events and steps to take if they occur; discontinue therapy in patients that have experienced a myocardial infarction or stroke

              Malignancies and lymphoproliferative disorders

              • Malignancies, including lymphomas, observed in clinical trials of oral JAK inhibitors used to treat inflammatory conditions; patients who are current or past smokers are at additional increased risk
              • Consider benefits and risks for individual patient prior to initiating or continuing therapy, particularly in patients with a known malignancy (other than successfully treated non-melanoma skin cancers), patients who develop a malignancy when on treatment, and patients who are current or past smokers
              • Non-melanoma skin cancers including basal cell and squamous cell carcinoma reported; perform periodic skin examinations during treatment and following treatment as appropriate; exposure to sunlight and UV light should be limited by wearing protective clothing and using broad-spectrum sunscreen

              Serious infections

              • Serious and sometimes fatal infections due to bacterial, mycobacterial, invasive fungal, viral, or other opportunistic pathogens reported with oral JAK inhibitors
              • Serious lower respiratory tract infections reported in the clinical development program with topical ruxolitinib
              • Avoid use in patients with an active, serious infection, including localized infections
              • Consider risks and benefits of treatment before initiating in patients with or who have the following:
                • Chronic or recurrent infection
                • A history of a serious or an opportunistic infection
                • Previous exposure to tuberculosis
                • Resided or traveled in areas of endemic tuberculosis or endemic mycoses
                • Underlying conditions that may predispose them to infection
              • Tuberculosis (TB)
                • No cases of active TB were reported with topical ruxolitinib; however, active TB cases were reported with oral JAK inhibitors used to treat inflammatory conditions
                • Consider evaluating for latent and active TB infection before administration
                • During use, monitor for developing signs and symptoms of TB
              • Viral reactivation
                • Viral reactivation, including cases of herpes virus reactivation (eg, herpes zoster), were reported with JAK inhibitors used to treat inflammatory conditions
                • If herpes zoster develops, consider interrupting treatment until episode resolves
              • Hepatitis B and C
                • Impact of JAK inhibitors used to treat inflammatory conditions on chronic viral hepatitis reactivation is unknown
                • Patients with history of hepatitis B or C infection were excluded from clinical trials
                • Hepatitis B viral load (HBV-DNA titer) increases, with or without associated elevations in ALT and AST, were reported in patients with chronic hepatitis B taking oral ruxolitinib
                • Do not initiate in patients with active hepatitis B or C

              Thrombocytopenia, anemia, and neutropenia

              • Thrombocytopenia, anemia, and neutropenia reported
              • Avoid in patients at increased risk of thrombosis
              • Consider benefits and risks for patients with history of these events before initiating therapy
              • Monitor complete blood cell count as clinically indicated
              • Discontinue therapy if signs and/or symptoms of clinically significant thrombocytopenia, anemia, and/or neutropenia occur

              Drug interaction overview

              • Drug interaction studies were not conducted
              • Ruxolitinib is a substrate of CYP3A4
              • Strong CYP3A4 inhibitors
                • Avoid coadministration
                • Strong CYP3A4 inhibitors may increase ruxolitinib systemic exposure and adverse reactions
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              Pharmacology

              Mechanism of Action

              Janus kinase (JAK) pathways inhibitor; JAK consists of a group of intracellular tyrosine kinases that transmit signals from cytokine or growth factor-receptor interactions on the cellular membrane to influence cellular processes of hematopoiesis and immune cell function, including inflammation associated with atopic dermatitis

              JAKs phosphorylate and recruit signal transducers and activators of transcription (STATs) which modulate intracellular activity including gene expression

              JAK inhibitors modulate the JAK signaling pathway, which in turn prevents the phosphorylation and activation of STATs

              Absorption

              Peak plasma concentration: 449 nM (adults); 110 nM (adolescents)

              AUC: 3,215 h·nM (adults); 801 h·nM (adolescents)

              Distribution

              Protein bound: ~97%

              Metabolism

              Primarily metabolized by CYP3A4 and CYP2C9 (lesser extent) in vitro

              Elimination

              Half-life: 116 hr

              Excretion: Urine (74%) and feces (22%); <1% excreted as unchanged drug

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              Administration

              Topical Administration

              For topical use only

              Not for ophthalmic, oral, or intravaginal use

              Storage

              Store at 20-25ºC (68-77ºF); excursions permitted to 15-30ºC (59-86ºF)

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              Images

              No images available for this drug.
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              Patient Handout

              A Patient Handout is not currently available for this monograph.
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              Formulary

              FormularyPatient Discounts

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              The above information is provided for general informational and educational purposes only. Individual plans may vary and formulary information changes. Contact the applicable plan provider for the most current information.

              Tier Description
              1 This drug is available at the lowest co-pay. Most commonly, these are generic drugs.
              2 This drug is available at a middle level co-pay. Most commonly, these are "preferred" (on formulary) brand drugs.
              3 This drug is available at a higher level co-pay. Most commonly, these are "non-preferred" brand drugs.
              4 This drug is available at a higher level co-pay. Most commonly, these are "non-preferred" brand drugs or specialty prescription products.
              5 This drug is available at a higher level co-pay. Most commonly, these are "non-preferred" brand drugs or specialty prescription products.
              6 This drug is available at a higher level co-pay. Most commonly, these are "non-preferred" brand drugs or specialty prescription products.
              NC NOT COVERED – Drugs that are not covered by the plan.
              Code Definition
              PA Prior Authorization
              Drugs that require prior authorization. This restriction requires that specific clinical criteria be met prior to the approval of the prescription.
              QL Quantity Limits
              Drugs that have quantity limits associated with each prescription. This restriction typically limits the quantity of the drug that will be covered.
              ST Step Therapy
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              Medscape prescription drug monographs are based on FDA-approved labeling information, unless otherwise noted, combined with additional data derived from primary medical literature.