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 Nasal Spray SweetSpot Labs USA PT 141 Peptide Injections Concierge MD PT 141 (10mg) Alpha BioMed How Long Does PT 141 Last? Duration and Timing Guide Inner Balance