Could a vaginal pill ease severe period cramps?
Symptom relief
Not yet recruiting
This early-stage trial tests whether a single vaginal dose of sildenafil (100 mg) can reduce painful uterine contractions during menstruation. About 50 adults with moderate-to-severe period pain will receive the drug or a placebo in two separate cycles. The study uses MRI to meas…
Phase: PHASE1 • Sponsor: Kevin Hellman • Aim: Symptom relief
Last updated Jun 27, 2026 12:03 UTC