Vaginal Sildenafil for Primary Dysmenorrhea (NCT07508358)
Vaginal Sildenafil for Primary Dysmenorrhea: A Randomized, Double-Blind, Placebo-Controlled, Two-Period Crossover Mechanistic Study
🩺 Plain-English Summary (8th-Grade Level)
This phase 1 randomized, double-blind, placebo-controlled, two-period crossover trial will evaluate whether a single 100 mg vaginal sildenafil citrate suppository reduces uterine hypercontractility during menstruation in adults with moderate-to-severe dysmenorrhea. Uterine contractility will be measured using cine magnetic resonance imaging (MRI). Key secondary objectives are to evaluate acute menstrual pain reduction over 4 hours, characterize limited systemic exposure using a single 4-hour plasma sildenafil concentration, and assess short-term safety and tolerability.
Who can join: Review the eligibility criteria below.
Location: Evanston Hospital — Evanston, Illinois
Age range: 18 Years to 35 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (1 Sites)
- Evanston Hospital — Evanston, Illinois
📞 Contact the Study Coordinator
Phone: (847) 570-2622
Email: kevin.hellman@endeavorhealth.org
Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
More studies in Dysmenorrhea
Explore by condition: All Dysmenorrhea clinical trials
💡 How to Participate
- Check the checklist above to see if you may qualify.
- Contact the study coordinator using the phone/email above.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.