Pharmacology of Anabolic Steroids

The conversation discusses the potential of developing a selective oral SARM to target androgen activity in the scalp and skin, as an alternative to oral Dutasteride and Finasteride, which have systemic side effects. It also mentions Clascoterone and RU58841 as topical treatments for hair loss.

Pyrilutamide is a selective AR antagonist with a high binding affinity, making it effective in competing with DHT for androgen receptors. The 1% concentration is more effective than the 0.5%, but the latter may suffice for mild hair loss; the drug is considered a good option for those avoiding 5AR blockers due to side effects.

The treatment for androgenetic alopecia involves using finasteride and minoxidil with intense exercise and cold exposure to boost metabolism and reduce androgenic effects, potentially leading to hair regrowth. This approach may activate biological pathways for improved hair and overall health.

The conversation discusses androgen receptor degraders for hair loss, highlighting their potential advantages over traditional AR blockers like RU58841 and pyrilutamide. Concerns about the safety and cost of these treatments are also mentioned.

A 30-year-old woman with androgenetic alopecia is considering bicalutamide to slow hair loss but is concerned about its impact on muscle growth due to its anti-androgen effects. Alternatives suggested include dutasteride, spironolactone, RU58841, and minoxidil, with concerns about bicalutamide's side effects.

Pyrilutamide and RU58841 are androgen receptor antagonists that block receptors without significantly reducing testosterone or DHT levels. Any indirect effect on androgen levels is likely negligible.