PT-141 — Melanocortin receptor agonist (MC3R/MC4R)

Activates melanocortin-4 receptors (MC4R) in the central nervous system to enhance sexual desire through hypothalamic pathways. Unlike PDE5 inhibitors, acts on arousal/desire rather than vascular erectile function.

Overview

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Compound Class

Melanocortin receptor agonist (MC3R/MC4R)

Mechanism of Action

Activates melanocortin-4 receptors (MC4R) in the central nervous system to enhance sexual desire through hypothalamic pathways. Unlike PDE5 inhibitors, acts on arousal/desire rather than vascular erectile function.

Regulatory Status

FDA approved (Vyleesi for premenopausal women with HSDD)

Evidence Level

High — FDA-approved based on Phase 3 RECONNECT trials