Bremelanotide PT 141 Men Erectile Dysfunction Randomized Trial: What the Evidence Shows 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 Melanotan 2 10mg Growth Guys PT 141 Side Effects: What You Need to Know Before Starting The Best Peptide for Erectile Dysfunction: What PT 141 Offers (and What It Doesn't)