New drug aims to ease heavy periods caused by fibroids
NCT ID NCT07378098
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This Phase 3 trial tests whether the experimental drug KLH-2109 can reduce heavy menstrual bleeding in people with uterine fibroids. About 254 participants will take either KLH-2109 or a standard treatment for 24 weeks, tracking their bleeding and visiting the clinic for safety checks. The main goal is to see if KLH-2109 lowers bleeding enough to improve quality of life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- KLH-2109 (a drug taken as a pill)
- What this could lead to
- If successful, this could offer a new non-surgical option to reduce heavy bleeding in people with uterine fibroids.
- What could go wrong
- This is still an early Phase 3 trial with 254 participants. The drug may not prove more effective than existing treatments, and side effects are possible.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 254 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2026
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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19 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Individuals diagnosed with uterine fibroids Exclusion Criteria: * Metrorrhagia or anovulatory bleeding * Patients with a history of total hysterectomy or bilateral oophorectomy
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Asan Medical Center
RECRUITINGSeoul, South Korea
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can big data improve safety in gynecologic surgery?
- Can a Double-Wall bag stop leaks during keyhole fibroid surgery?
- Can a reusable device match the standard for uterine biopsy?
- Can watching videos before surgery calm nerves?
- A drug that may curb bleeding during fibroid surgery faces its first big test
- Could a common muscle relaxant cut narcotic use after hysterectomy?