Melanocortin

PT-141 (Bremelanotide)

Also known as Bremelanotide, Vyleesi

PT-141 (Bremelanotide) is an approved on-demand injection (Vyleesi) for low sexual desire — it works through the brain rather than blood flow.

One-dose burn-down
Half-life
2.7 h
Tmax
1.0 h
Bioavailability
100%
Typical dose
1.75 mg

Melanocortin receptor agonist FDA-approved (Vyleesi) for hypoactive sexual desire disorder.

Mechanism of action

Activates central melanocortin receptors (MC4R) influencing sexual response.

Can transiently raise blood pressure and cause nausea/flushing.

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FDA Prescribing Information (DailyMed)

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