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Recruiting Phase 4 NCT07174349

NCT07174349 Uroselective Alpha-1-Antagonist to Reduce the Incidence and Duration of Postoperative Urinary Retention Following Spine Surgery

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Clinical Trial Summary
NCT ID NCT07174349
Status Recruiting
Phase Phase 4
Sponsor Mayo Clinic
Condition Urinary Retention Postoperative
Study Type INTERVENTIONAL
Enrollment 20 participants
Start Date 2026-04-10
Primary Completion 2027-01-31

Eligibility & Interventions

Sex All sexes
Min Age 35 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
Uroselective alpha-1-adrenergic receptor antagonistPlacebo

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 4 studies follow an already-approved treatment in real-world conditions to monitor long-term safety and effectiveness.

This trial targets 20 participants in total. It began in 2026-04-10 with a primary completion date of 2027-01-31.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The purpose of this research is to see if the use of tamsulosin can decrease both the incidence and duration of urinary retention, as well as hospital length of stay following spine surgery.

Eligibility Criteria

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)

Contact & Investigator

Central Contact

Neurologic Surgery Research Team

📞 507-422-5673

Principal Investigator

Michelle Clarke, MD, PhD

PRINCIPAL INVESTIGATOR

Mayo Clinic

Frequently Asked Questions

Who can join the NCT07174349 clinical trial?

This trial is open to participants of all sexes, aged 35 Years or older, studying Urinary Retention Postoperative. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT07174349 trial and what does that mean for participants?

Phase 4 studies are conducted after a treatment has been approved. They monitor long-term safety and real-world effectiveness in a broader patient population.

Is NCT07174349 currently recruiting?

Yes, NCT07174349 is actively recruiting participants. Visit ClinicalTrials.gov or contact Mayo Clinic to inquire about joining.

Where is the NCT07174349 trial being conducted?

This trial is being conducted at Rochester, United States.

Who is sponsoring the NCT07174349 clinical trial?

NCT07174349 is sponsored by Mayo Clinic. The principal investigator is Michelle Clarke, MD, PhD at Mayo Clinic. The trial plans to enroll 20 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology