Dosing & Uses
Dosage Forms & Strengths
Single dose regimen: 3 mg SC when serum estradiol levels show appropriate stimulation response (range days 5-9) usually day 7; if hCG not administered within 4 days, continue dose at 0.25 mg/day until hCG administered
Multiple dose regimen: 0.25 mg SC morning or evening of stimulation day 5 or morning of stimulation day 6; continue until hCG administered
Mild-to-moderate impairment: Dose adjustment not described by manufacturer
Severe renal impairment: Contraindicated
Dose adjustment not described by manufacturer
Ovarian hyperstimulation syndrome (4%)
Hepatic enzyme elevation (1-2%)
Erythema at injection site
May cause elevations of hepatic enzymes: ALT, AST, GGT, AP
Exclude pregnancy before initiating therapy
Monitor closely for hypersensitivity following first injection
Pregnancy & Lactation
Pregnancy Category: X
Lactation: Excretion in milk unknown/contraindicated
A:Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.
B:May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk.
C:Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done.
D:Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk.
X:Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist.
NA:Information not available.
Mechanism of Action
Gonadotropin releasing-hormone (luteinizing hormone-releasing hormone) antagonist; delays luteinizing hormone surge, which in turn prevents ovulation until follicles are of adequate size
Half-Life: 20-63 hr
Onset: within 12 hr
Peak Plasma Time: 1 hr (0.25mg dose); 1.5 hr (3 mg dose)
Bioavailability: 85% (SC)
Protein Bound: 86%
Duration: 4 days (3 mg dose)
Vd: 1.2 L/kg
Excretion: Feces; urine
Adding plans allows you to compare formulary status to other drugs in the same class.
To view formulary information first create a list of plans. Your list will be saved and can be edited at any time.
Adding plans allows you to:
- View the formulary and any restrictions for each plan.
- Manage and view all your plans together – even plans in different states.
- Compare formulary status to other drugs in the same class.
- Access your plan list on any device – mobile or desktop.
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.
|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.|
Drugs that require prior authorization. This restriction requires that specific clinical criteria be met prior to the approval of the prescription.
Drugs that have quantity limits associated with each prescription. This restriction typically limits the quantity of the drug that will be covered.
Drugs that have step therapy associated with each prescription. This restriction typically requires that certain criteria be met prior to approval for the prescription.
Drugs that have restrictions other than prior authorization, quantity limits, and step therapy associated with each prescription.