Sexual HealthStrong Evidence

Bremelanotide

Also known as: PT-141, Vyleesi

FDA-approved melanocortin receptor agonist for female hypoactive sexual desire disorder.

Benefits

6

Conditions

5

Evidence

Phase 3 RCTs, FDA approved for female HSDD+ studies

Source

Synthetic melanocortin receptor agonist (PT-141 is the research name)

Overview

FDA-approved melanocortin receptor agonist for female hypoactive sexual desire disorder.

Mechanism of Action

Activates MC3R and MC4R melanocortin receptors in hypothalamus and spinal cord, increases sexual desire via central dopaminergic pathways, works independently of vascular mechanisms, modulates sexual arousal centers in brain.

Key Benefits

  • Increases sexual desire and arousal
  • Works centrally (brain-based)
  • Effective for both sexes
  • Independent of vascular function
  • Rapid onset (30-45 minutes)
  • No dependency issues

Clinical Applications

Hypoactive sexual desire disorder (HSDD) in womenLow libido (off-label)Erectile dysfunction (off-label)Sexual dysfunction from SSRIsArousal disorders

Dosing Guidelines

Subcutaneous injection

Typical Dose1.75 mg
FrequencyAs needed, at least 45 minutes before sexual activity
DurationSingle dose per event, max 8 doses per month

* Dosing should be individualized. Always consult with a qualified healthcare practitioner.

Research & Evidence

Evidence Level
Strong
Studies

Phase 3 RCTs, FDA approved for female HSDD

Summary

FDA approved based on RECONNECT trials showing improved sexual desire in premenopausal women. Clinical evidence in both sexes. Unique central mechanism compared to peripheral vasodilators.

Safety Information

Potential Side Effects

  • Nausea (common)
  • Flushing
  • Headache
  • Transient hypertension
  • Injection site reactions

Contraindications

  • Uncontrolled hypertension
  • Cardiovascular disease
  • Pregnancy
  • Breastfeeding

Interactions

  • Caution with antihypertensives
  • Avoid alcohol (increases hypotension risk)

Quick Facts

CategorySexual Health
SourceSynthetic melanocortin receptor agonist (PT-141 is the research name)
Legal StatusFDA approved as Vyleesi for female HSDD
Gabriel Brain Score
84/ 100

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