PT-141
Why a branded FDA-approved medicine for a specific use is not the same as every product labeled PT-141.
At a glance
- Evidence stage
- Approved use
- Regulatory status
- FDA-approved as Vyleesi for one indication in premenopausal women; other bremelanotide products and uses are not FDA-approved.
- Research context
- Bremelanotide is a melanocortin-receptor agonist researched for sexual-desire indications; its approved use is narrow and does not cover every marketed use.
What this is
- PT-141 has at least one FDA-approved use for a specific, labeled indication.
- Approval covers a defined population, dose form, and condition — not every use people discuss online.
- Brand-name approval does not automatically extend to compounded or unbranded versions sold under the same name.
What this isn't
- This page is not medical advice about whether PT-141 is right for you.
- This is not confirmation that a compounded or gray-market product is the same as the approved drug.
- This is not a dosing guide.
Key terms
Educational information only — not medical advice. This page does not diagnose conditions, recommend treatment, or replace care from a qualified clinician. The Peptide Center uses an evidence-first editorial process: regulatory sources, trial registries, and peer-reviewed research take priority; uncertainty is stated rather than filled with promises.
Bremelanotide (brand name Vyleesi) is an FDA-approved medicine for a defined indication in premenopausal women with acquired, generalized hypoactive sexual desire disorder. That approval is product- and population-specific. It does not establish off-label uses, general performance claims, or the quality of unapproved products marketed under the PT-141 name.
Evidence limits
How to read the evidence
Educational information only — not medical advice. This page does not diagnose conditions, recommend treatment, or replace care from a qualified clinician. The Peptide Center uses an evidence-first editorial process: regulatory sources, trial registries, and peer-reviewed research take priority; uncertainty is stated rather than filled with promises.
Compare the exact product (brand vs. compounded vs. unapproved), labeled indication, contraindications (including cardiovascular considerations), and FDA-reviewed safety information. Name similarity is not regulatory equivalence.
Coverage
In the news
Recent reporting about this molecule. Headlines are not clinical guidance.
- Study: Off-label HSDD prescribing is common in postmenopausal women - Contemporary OB/GYNContemporary OB/GYN · 2026-04-21 · External ↗
- Palatin Announces Results from Phase II Obesity Study of MC4R Bremelanotide Plus GLP-1/GIP Tirzepatide - Applied Clinical Trials OnlineApplied Clinical Trials Online · 2025-04-02 · External ↗
- Bremelanotide Erectile Dysfunction Men Clinical Trial: What the Data Shows for Male Use - KMUKMU · 2026-07-14 · External ↗
External sources and citations
- PT-141 Palatin. Current opinion in investigational drugs (London, England : 2000), 2004
- Bremelanotide. 2006
- Bremelanotide. 2012
- Bremelanotide: First Approval. Drugs, 2019
- Safety Profile of Bremelanotide Across the Clinical Development Program. Journal of women's health (2002), 2022
- Bremelanotide for Treatment of Female Hypoactive Sexual Desire. Neurology international, 2022
- An effect on the subjective sexual response in premenopausal women with sexual arousal disorder by bremelanotide (PT-141), a melanocortin receptor agonist. The journal of sexual medicine, 2006
- Bremelanotide: New Drug Approved for Treating Hypoactive Sexual Desire Disorder. The Annals of pharmacotherapy, 2020
Database references
Common questions
What is PT-141?
PT-141 is discussed in research and educational contexts as a named molecule or product label. Identity, purity, and studied form can differ across sources — a name match alone is not proof of the same material used in a study.
What does the evidence for PT-141 actually show?
Evidence for PT-141 ranges by question: preclinical models, early human work, or approved uses for specific indications. Mechanism findings and animal data do not automatically predict clinical benefit or safety in people.
Is PT-141 FDA-approved for general use?
Do not assume PT-141 is FDA-approved for the use you have in mind. Approvals are indication-specific. Many research peptides and compounded products are not approved drugs for consumer or athletic use.
What product-quality questions should I ask about PT-141?
Ask what was tested (identity, purity, potency), who tested it, and whether the label matches the studied form. Third-party certificates, storage conditions, and supplier transparency matter more than marketing claims.
How is PT-141 different from similarly named products?
Blends, salts, fragments, and brand nicknames are often confused with PT-141. Verify the exact molecule, dose unit, and route in any citation before treating it as evidence for a different product.
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