Reproductive
Bremelanotide (PT-141)
PT-141 / Vyleesi
- Peptide length
- 7 amino acids
Cyclic peptide
Research contextDefined therapeutic evidence
Read the linked studies for their methods and limitations.
A cyclic melanocortin agonist used in the FDA-approved medicine Vyleesi for a specifically defined hypoactive sexual desire disorder population.
- Family
- Melanocortin agonist
- Research frame
- Melanocortin receptors
- Molecular format
- Cyclic peptide
Read the evidence
The approved indication is narrower than general libido or sexual-performance claims. Study population, route and cardiovascular precautions matter.
Resolve the identity
Bremelanotide and melanotan II are distinct cyclic molecules. Describing PT-141 as simply a linearized melanotan II is incorrect.