New antibody drug aims to ease endometriosis pain in major trial

NCT ID NCT07318688

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This Phase 3 trial tests HMI-115, a monoclonal antibody, in 540 women with moderate to severe endometriosis pain. Participants receive either the drug or a placebo for 24 weeks, with a 28-week extension. The goal is to see if HMI-115 reduces menstrual and pelvic pain better than placebo.

What this could mean

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

Active substance

HMI-115 (a human monoclonal antibody)

What this could lead to

If it works, this could offer a new non-hormonal option to reduce endometriosis pain for women.

What could go wrong

This is still an early Phase 3 trial, so results may not confirm benefit. Side effects are possible, and the drug may not work for everyone.

Disclaimer Read more

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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Conditions

The condition(s) this trial relates to.

endometriosis

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

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

Locations

  • Nanjing Women and children's healthcare hospital

    Nanning, Jiangsu, China

    Contact

  • Peking Union Medical College Hospital

    Beijing, Beijing Municipality, 100703, China

    Contact

  • Second Affiliated Hospital of Soochow University

    Suzhu, Jiangsu, China

  • The International Peace Maternity and Child Health Hospital of the China Welfare Institute

    Shanghai, Shanghai Municipality, China

    Contact

  • Tianjin Medical University General Hospital

    Tianjin, Tianjin Municipality, China

    Contact