Endocrine Pharmacology USMLE Step 1 Practice Question
A 68-year-old man with metastatic prostate adenocarcinoma (PSA 187 ng/mL) initiates continuous GnRH analog therapy. Vital signs are stable: BP 138/82, HR 76, RR 16, temp 37°C. The oncologist warns about transient testosterone elevation before pituitary downregulation occurs. Serum testosterone is currently 650 ng/dL. No gynecomastia is present. Which medication was most likely prescribed to address the initial testosterone surge and prevent clinical flare?
Answer choices
- ALeuprolideCorrect answer
- BFinasteride
- CSpironolactone
- DClomiphene
- EFlutamide
- FBicalutamide
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