New drug aims to ease menstrual cramps in major trial

NCT ID NCT05640232

First seen Dec 16, 2025

Summary

This Phase 3 trial tests an experimental drug called CDE100 for menstrual cramp pain in women with primary dysmenorrhea. About 238 women aged 16-35 will be randomly assigned to receive either CDE100 or an active comparator (Buscopan Composto) and then switch treatments. The main goal is to measure pain relief over 4 hours after taking the medication.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • EMS

    RECRUITING

    Hortolândia, São Paulo, Brazil

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

CDE100 (experimental drug) and Buscopan Composto (active comparator)

What this could lead to

If successful, this could provide a new treatment option for menstrual cramp pain, offering relief for women with primary dysmenorrhea.

What could go wrong

This is a Phase 3 trial, but it's still experimental. The drug may not prove more effective than existing treatments, and side effects are possible. Results may not apply to all women.

Conditions

The condition(s) this trial relates to.

primary dysmenorrhea

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.