Trelstar Generic Name & Formulations
Legal Class
General Description
Pharmacological Class
How Supplied
Manufacturer
Mechanism of Action
Trelstar Indications
Indications
Treatment of advanced prostate cancer.
Trelstar Dosage and Administration
Adult
Give by IM inj in buttock (within 2mins after reconstitution); rotate inj site. 3.75mg every 4 weeks, or 11.25mg every 12 weeks, or 22.5mg every 24 weeks.
Children
Trelstar Contraindications
Not Applicable
Trelstar Boxed Warnings
Not Applicable
Trelstar Warnings/Precautions
Warnings/Precautions
Not for use in women. Must administer under physician supervision. Discontinue if hypersensitivity occurs. Initial transient increase in serum testosterone may result in worsening of signs/symptoms including bone pain, neuropathy, hematuria, or urethral/bladder obstruction. Metastatic vertebral lesions and/or with urinary tract obstruction; monitor closely during the first few weeks of therapy. Spinal cord compression. Renal or hepatic impairment. May prolong QT/QTc interval in patients with congenital long QT syndrome, CHF, frequent electrolyte abnormalities. Correct any electrolyte abnormalities; monitor ECGs and electrolytes periodically. Metabolic changes (eg, hyperglycemia, diabetes, hyperlipidemia). Cardiovascular disease (eg, MI, sudden cardiac death, stroke). Monitor serum lipids, blood glucose and/or HbA1c periodically, and for signs/symptoms of cardiovascular disease. History of epilepsy. Intracranial tumors. Measure serum testosterone periodically. Embryo-fetal toxicity. Pregnancy. Nursing mothers: not recommended.
Trelstar Pharmacokinetics
Absorption
Mean peak serum concentrations of 28.4 ng/mL, 38.5 ng/mL, and 44.1 ng/mL occurred in 1–3 hours after the 3.75 mg, 11.25 mg, and 22.5 mg formulations, respectively.
Distribution
Volume of distribution: 30–33 L.
Elimination
Trelstar Interactions
Interactions
Trelstar Adverse Reactions
Adverse Reactions
Inj site reactions, hot flushes, skeletal pain, impotence, headache, leg edema/pain, erectile dysfunction, testicular atrophy; convulsions.
Trelstar Clinical Trials
See Literature
Trelstar Note
Not Applicable
Trelstar Patient Counseling
See Literature