Gene therapy aims to calm overactive bladder for years with one shot
NCT ID NCT07227285
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study follows 16 people who already received EG110A, a gene therapy that uses a modified herpes virus to deliver a botulinum toxin-like protein to relax bladder muscles. Researchers will track side effects and how well the treatment works over five years. The goal is to see if a single injection can safely control overactive bladder caused by spinal cord injury.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- EG110A (a gene therapy using a modified herpes virus to deliver botulinum toxin light chain)
- What this could lead to
- If successful, this could show that a single dose of EG110A safely controls overactive bladder symptoms for years, reducing the need for repeated treatments.
- What could go wrong
- This is an early-phase, small study (16 people) focused on safety, not proof of effectiveness. Gene therapies can have unexpected long-term side effects, and the virus-based delivery may cause immune reactions.
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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 16 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Apr 2031
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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18 to 75 years
- 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.
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: \- All participants who received at least one dose/injection of EG110A in Study EG110A-001-01 and have prematurely discontinued or completed that study. Exclusion Criteria: * Participant plans to participate in another investigational gene therapy study * Participant has an uncontrolled intercurrent illness, any disorder, or current substance abuse that would limit compliance with study requirements in the opinion of the investigator
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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
4 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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Rancho Los Amigos National Rehabilitation Center
Downey, California, 90242, United States
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Sidney Kimmel Medical College
Philadelphia, Pennsylvania, 19107, United States
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UTHealth Houston / TIRR Memorial Hermann
Houston, Texas, 77030, United States
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University of Michigan Rogel Cancer Center
Ann Arbor, Michigan, 48109, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a Self-Balancing exoskeleton make daily tasks more satisfying than a wheelchair?
- Spinal implant aims to restore bladder control after paralysis
- Scientists map the daily rhythms of chronic pain
- Can AI learn to tune spinal cord stimulators?
- Which bowel care tool wins the race? trial pits suppository, enema, and irrigation device
- Robotic exoskeletons go home: can daily wear change life after spinal cord injury?