Bladder gel shots aim to ease chronic pelvic pain
NCT ID NCT07658118
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This pilot study tests whether injecting hyaluronic acid directly into the bladder wall is safe and can reduce pain and frequent urination in people with interstitial cystitis (bladder pain syndrome). Fifteen adults who haven't improved after standard treatments will receive the injection under anesthesia and be followed for six months. The goal is to see if this approach offers longer-lasting relief than current therapies.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- hyaluronic acid
- What this could lead to
- If it works, this could offer a new, longer-lasting treatment option for people with hard-to-treat bladder pain.
- What could go wrong
- This is a very small, early-phase trial with no placebo group, so results may not be conclusive. Common side effects include temporary blood in urine and increased pain.
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 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 15 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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A research network
The lead sponsor is a research network or cooperative group.
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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Anyone
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Men and women aged ≥ 18 years. * Confirmed diagnosis of Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) based on cystoscopic findings (glomerulations after hydrodistension or Hunner's lesions). * Refractory to at least 2 lines of standard therapy (e.g., dietary modifications, oral medications, intravesical hyaluronic acid instillations, hydrodistension) for ≥ 6 months. * Pain score ≥ 4 on a 0-10 Visual Analog Scale (VAS) at screening. * Ability and willingness to provide written informed consent and to complete a 3-day voiding diary. Exclusion Criteria: * Active urinary tract infection (bacteriuria \> 10⁴ CFU/mL). * History of genital herpes. * Severe renal failure (eGFR \< 30 mL/min/1.73 m²). * Known allergy to hyaluronic acid or any component of the study product. * Pregnancy or breastfeeding. * Psychiatric disorders or substance abuse that would interfere with study participation. * Participation in another clinical study within 30 days prior to enrollment.
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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 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.
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