How effective is DoxyPEP?

In clinical trials with patients assigned male at birth, taking DoxyPEP reduces your chance of acquiring syphilis, gonorrhea, and chlamydia by over 70% when taken within 24 hours and no later than 72 hours.

Current efficacy data on DoxyPEP applies to gay, bisexual, and other men who have sex with men and transgender women. Current research on DoxyPEP conducted with patients assigned female at birth is limited.