Degarelix
Generic Name: degarelix
Brand Names:
Firmagon
11 DESCRIPTION FIRMAGON is a sterile lyophilized powder for injection containing degarelix (as the acetate) and mannitol. Degarelix is a synthetic linear decapeptide amide containing seven unnatural amino acids, five of which are D-amino acids. The acetate salt of degarelix is a white to off-white amorphous powder of low density as obtained after lyophilization.
Overview
11 DESCRIPTION FIRMAGON is a sterile lyophilized powder for injection containing degarelix (as the acetate) and mannitol. Degarelix is a synthetic linear decapeptide amide containing seven unnatural amino acids, five of which are D-amino acids. The acetate salt of degarelix is a white to off-white amorphous powder of low density as obtained after lyophilization.
Uses
1 INDICATIONS AND USAGE FIRMAGON ® is indicated for treatment of patients with advanced prostate cancer. FIRMAGON is a GnRH receptor antagonist indicated for treatment of patients with advanced prostate cancer. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION FIRMAGON is for subcutaneous use only Starting Dosage: 240 mg given as two injections of 120 mg each ( 2.1 ) Maintenance Dosage: 80 mg administered as a single injection every 28 days ( 2.1 ) 2.1 Dosing information FIRMAGON is administered as a subcutaneous injection in the abdominal region only at the dosages in Table 1 below. Table 1: FIRMAGON Recommended Dosages Starting Dosage Maintenance Dosage – Administered once every 28 days 240 mg given as two subcutaneous injections of 120 mg at a concentration of 40 mg/mL The first maintenance dose should be given 28 days after the starting dose.
Side Effects
6 ADVERSE REACTIONS Most common adverse reactions (≥10%) are injection site reactions (e.g., pain, erythema, swelling or induration), hot flashes, and increases in serum levels of transaminases and gamma-glutamyltransferase (GGT) ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Ferring at 1-888-FERRING (1-888-337-7464) or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Interactions
7 DRUG INTERACTIONS No drug-drug interaction studies were conducted. Degarelix is not a substrate for the human CYP450 system. Degarelix is not an inducer or inhibitor of the CYP450 system in vitro . Therefore, clinically significant CYP450 pharmacokinetic drug-drug interactions are unlikely.
Warnings
5 WARNINGS AND PRECAUTIONS Hypersensitivity: Anaphylaxis, urticaria and angioedema have been reported. Discontinue FIRMAGON if a severe hypersensitivity reaction occurs and manage as clinically indicated ( 5.1 ) QT Interval Prolongation: Androgen deprivation therapy treatment with FIRMAGON may prolong the QT interval. ( 5.2 ) Embryo-Fetal Toxicity: FIRMAGON can cause fetal harm. ( 5.4 , 8.1 ) 5.1 Hypersensitivity Reactions FIRMAGON is contraindicated in patients with history of severe hypersensitivity to degarelix or to any of the product components [see Contraindications (4) ]. Hypersensitivity reactions, including anaphylaxis, urticaria and angioedema, have been reported post-marketing with FIRMAGON. 4 CONTRAINDICATIONS FIRMAGON is contraindicated in patients with history of severe hypersensitivity to degarelix or to any of the product components [see Warnings and Precautions (5.1) ] . Patients with history of severe hypersensitivity reactions to degarelix or to any of the product components ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary The safety and efficacy of FIRMAGON have not been established in women. Based on findings in animal studies and mechanism of action, FIRMAGON can cause fetal harm and loss of pregnancy when administered to a pregnant woman [ see Clinical Pharmacology (12.1) ]. There are no human data on the use of FIRMAGON in pregnant women to inform the drug-associated risk.
Storage
Store at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F). [see USP Controlled Room Temperature].
Frequently Asked Questions
What is Degarelix used for?▼
1 INDICATIONS AND USAGE FIRMAGON ® is indicated for treatment of patients with advanced prostate cancer. FIRMAGON is a GnRH receptor antagonist indicated for treatment of patients with advanced prostate cancer. ( 1 )
What are the side effects of Degarelix?▼
6 ADVERSE REACTIONS Most common adverse reactions (≥10%) are injection site reactions (e.g., pain, erythema, swelling or induration), hot flashes, and increases in serum levels of transaminases and gamma-glutamyltransferase (GGT) ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Ferring at 1-888-FERRING (1-888-337-7464) or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Can I take Degarelix during pregnancy?▼
8.1 Pregnancy Risk Summary The safety and efficacy of FIRMAGON have not been established in women. Based on findings in animal studies and mechanism of action, FIRMAGON can cause fetal harm and loss of pregnancy when administered to a pregnant woman [ see Clinical Pharmacology (12.1) ]. There are no human data on the use of FIRMAGON in pregnant women to inform the drug-associated risk.
What are the important warnings for Degarelix?▼
5 WARNINGS AND PRECAUTIONS Hypersensitivity: Anaphylaxis, urticaria and angioedema have been reported. Discontinue FIRMAGON if a severe hypersensitivity reaction occurs and manage as clinically indicated ( 5.1 ) QT Interval Prolongation: Androgen deprivation therapy treatment with FIRMAGON may prolong the QT interval. ( 5.2 ) Embryo-Fetal Toxicity: FIRMAGON can cause fetal harm. ( 5.4 , 8.1 ) 5.1 Hypersensitivity Reactions FIRMAGON is contraindicated in patients with history of severe hypersensitivity to degarelix or to any of the product components [see Contraindications (4) ]. Hypersensitivity reactions, including anaphylaxis, urticaria and angioedema, have been reported post-marketing with FIRMAGON. 4 CONTRAINDICATIONS FIRMAGON is contraindicated in patients with history of severe hypersensitivity to degarelix or to any of the product components [see Warnings and Precautions (5.1) ] . Patients with history of severe hypersensitivity reactions to degarelix or to any of the product components ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.