PT 141: Peptide treatment for erectile dysfunction (ED)? Double blind, placebo controlled evaluation of the safety, pharmacokinetic properties and pharmacodynamic effects of intranasal PT 141, a melanocortin receptor agonist, in healthy males and patients with mild to moderate erectile dysfunction PT 141 (Bremelanotide) Virginia Beach & Chesapeake Fountain of You MD Peptides for Erectile Dysfunction: Understanding PT 141 and Practical Options PT 141 (Bremelanotide): How It Works For Sexual Arousal PT 141 is discussed for sexual dysfunction in both men and women. Unlike blood flow focused approaches, it works centrally by modulating neurochemical signaling involved in Off Label Use of Bremelanotide (PT 141) in Men: Insights on Libido, Erections, and Safety from Experts Excel Male Health Forum Nelson Vergel