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Prostate drug tested as first real option for women who Can't empty their bladder
NCT ID NCT07822113
First seen Sep 16, 2026 · Last updated Sep 17, 2026 · Updated 1 time
Summary
Many adult women struggle to start urinating, have a weak stream, or feel their bladder never fully empties. Doctors have few proven medicines for this problem. Researchers in Kuwait are running a randomized crossover trial of silodosin, a drug that relaxes the muscle at the bladder outlet and is already used in men. About 150 women will take silodosin and a placebo for 8 weeks each, with a washout between, so each woman serves as her own comparison. The trial measures changes in urinary symptom scores and side effects.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- silodosin, an oral drug that relaxes the muscle at the bladder outlet
- What this could lead to
- If it works, silodosin could become a drug option for women whose bladder does not empty well, a group with few proven medicines.
- What could go wrong
- This is a mid-stage trial of 150 women, so results may not hold in larger groups. Silodosin can cause dizziness, low blood pressure, or a runny nose, and it may not help every type of voiding problem.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 150 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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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18 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: Eligible participants must have clinically significant voiding symptoms including one or more of the following: * Difficulty initiating voiding * Slow urinary stream * Intermittent urinary stream * Straining to void * Sensation of incomplete bladder emptying AND at least one objective parameter suggestive of impaired bladder emptying: * Post-void residual urine volume ≥100 mL * Maximum urinary flow rate (Qmax) \<15 mL/sec with voided volume \>150 mL * Abnormal pressure-flow findings where available" Exclusion Criteria: * Pregnancy or breastfeeding * Active urinary tract infection * Neurogenic bladder dysfunction * Significant pelvic organ prolapse requiring intervention * Previous bladder outlet or urethral surgery * Severe renal or hepatic impairment
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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
3 sites. 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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Amiri Hospital
Kuwait City, Kuwait, 00000, Kuwait
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Farwaniya Hospital
Kuwait City, Kuwait, 00000, Kuwait
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Jaber Al Ahmad Al Jaber Al Sobah Hospital
Kuwait City, Kuwait, 00000, Kuwait
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