PT 141 Caffeine Rapid Dissolve Mini Tabs Wells Pharmacy Network PT 141 for Erectile Dysfunction: What Men Need to Know About This Peptide Approach 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 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