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Spine surgery patients may pee easier with cheap pill

NCT ID NCT07174349

Symptom relief Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 30, 2026 · Updated 2 times

Summary

This study tests whether tamsulosin, a drug often used for prostate problems, can reduce the risk and length of time patients have trouble urinating after spine surgery. Twenty adults having certain types of spine surgery will take either tamsulosin or a placebo starting five days before surgery and continuing through their hospital stay. The goal is to see if the drug lowers the need for catheters and shortens hospital stays.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Tamsulosin (0.4 mg daily)
What this could lead to
If it works, this could offer a simple way to prevent or shorten urinary retention after spine surgery, reducing discomfort and hospital stays.
What could go wrong
This is a very small early-phase trial with only 20 people, so results may not apply broadly. The drug may not work better than placebo, and side effects like dizziness or low blood pressure 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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Dec 2028

An estimate. End dates often move.

Lead sponsor

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

35 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Cervical Laminectomy * Cervical Posterior Fusion * Cervical Anterior/Posterior Fusion * Lumbar Laminectomy * Lumbar Posterolateral Fusion * Lumbar Interbody Fusion Exclusion Criteria: * Cervical Anterior Discectomy and Fusion * Cervical Anterior Corpectomy * Cervical Posterior Discectomy * Cervical Foraminotomy * Lumbar Discectomy (METRx or Open) * Lumbar Foraminotomy * Lumbar Anterior Fusion * Myelopathy with bladder dysfunction * Patients currently taking an alpha-antagonist o The following drugs are alpha antagonists: alfuzosin, doxazosin, prazosin, terazosin, tamsulosin, and phenoxybenzamine. * Patients with history of allergy or sensitivity to tamsulosin or other alpha-antagonist * History of prostatectomy or urologic surgery involving the bladder or urethra * Severe liver disease or end-stage renal disease * Patients taking strong inhibitors of CYP3A4 o The following drugs are strong inhibitors of CYP3A4: ketoconazole, itraconazole, clarithromycin, ritonavir, indinavir/ritonavir, lopinavir/ritonavir, and conivaptan. * Mental disability or prisoner * Pregnancy (for anesthesia purposes)

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Urinary retention postoperative

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

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