Description
What Is PT-141?
PT-141 Molecular Structure
Sequence: Ac-Nle-Asp(1)-His-D-Phe-Arg-Trp-Lys(1)
Molecular Formula: C50H68N14O10
Molecular Weight: 1025.182 g/mol
PubChem CID: 9941379
CAS Number: 189691-06-3
PT-141 Research
PT-141 and Sexual Arousal
PT-141 is a unique peptide in that it stimulates the MC-4R, which is known to produce sexual arousal in the central nervous system and influence sexual behavior[1], [2]. Studies in mice have shown that agonist binding to MC-4R causes sexual arousal and increased copulation in both males and females[3], [4]. Because PT-141 works via a different mechanism than drugs like Viagra, it is possible to treat sexual arousal disorders in both men and women that stem from causes other than reduced blood flow to the genitals. A study of men with erectile dysfunction (ED) who did not respond to sildenafil (Viagra) found that roughly one-third experienced adequate erection for sexual intercourse with PT-141 (administered via nasal spray). There was also a strong dose-dependent response in the trial, indicating that PT-141 is indeed effective in certain cases[]. This suggests that PT-141 could offer insight into correcting ED in settings where sildenafil has failed and may offer insight into central causes of hypoactive sexual desire.
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