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 Bremelanotide PT 141 erectile dysfunction randomized controlled trial men PT 141 (Bremelanotide) is a peptide designed to help boost sexual desire in women. Unlike typical treatments that work on hormones, PT 141 works directly on the nervous system by activating certain PT 141 FOR MEN: A NEW DRUG TO TREAT ERECTILE DYSFUNCTION AND LOW LIBIDO Urologist & Andrology Laboratory located in Great Neck, NY Bruce R Gilbert MD, PhD, PC