New study tests injections to help men with Drug-Resistant premature ejaculation
NCT ID NCT07236632
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests two injection treatments for men with lifelong premature ejaculation that hasn't improved with standard drugs or therapy. Eighty men will receive either hyaluronic acid into the penis head or botox into a pelvic muscle. Researchers will track changes in ejaculation time, symptom scores, and side effects over one year to see which works better.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Dec 2025
An estimate. Start dates often move.
- Expected to finish
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Dec 2026
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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22 to 45 years
- Sex
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Male 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.
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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: * Adult male patients aged 22 to 45 years. * Sexually active and in a stable heterosexual relationship. * Circumcised. * Able to understand and comply with study procedures and follow-up visits. * Diagnosed with lifelong drug-resistant premature ejaculation, defined as persistent ejaculation within one minute of penetration despite prior pharmacologic or behavioral therapy. * Normal serum total testosterone, prolactin, and thyroid-stimulating hormone levels. * Willing to provide written informed consent. Exclusion Criteria: * Presence or history of erectile dysfunction or other sexual or ejaculatory disorders such as retrograde ejaculation or acquired premature ejaculation. * History of acute or chronic prostatitis. * Any debilitating medical condition including hepatic failure, renal failure, or uncontrolled diabetes mellitus. * Previous pelvic or spinal surgery. * Prior chemotherapy or radiotherapy. * Use of antipsychotic or neuroactive medications that may affect ejaculation. * History of substance abuse or current drug dependence. * Presence of penile prosthesis, penile deformity, or anatomic abnormalities of the glans or shaft. * Known hypersensitivity or allergy to botulinum toxin or hyaluronic acid preparations. * Any condition that, in the investigator's opinion, may interfere with the safety or evaluation of the study treatment.
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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
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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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Other studies related to the condition(s) this trial covers.
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