Improvement of Reproductive Function in Men With Spinal Cord Injury (SCI)

NCT ID: NCT05903859

Last Updated: 2025-01-16

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-01-18

Study Completion Date

2028-12-31

Brief Summary

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This is a study of infertility which often occurs in men with spinal cord injury. Most men with spinal cord injury have a normal sperm count but abnormally low sperm motility - which means that the sperm does not swim well. This study will determine if a medicine given by mouth will improve sperm motility in men with spinal cord injuries. The medicine is called probenecid.

Detailed Description

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Conditions

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Infertility, Male

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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Full dose group

Participants in this group will receive the full dose of probenecid for a total of 90 days.

Group Type EXPERIMENTAL

Probenecid 500 Milligrams (mg)

Intervention Type DRUG

Participants in this group will receive 500 mg of probenecid by mouth twice a day for a total of 90 days.

Half dose group

Participants in this group will receive half the dose of probenecid for a total of 90 days.

Group Type EXPERIMENTAL

probenecid 250 Milligrams (mg)

Intervention Type DRUG

Participants in this group will receive 250 mg of probenecid by mouth twice a day for a total of 90 days.

Control-placebo group

Participants in this group will receive a placebo dose (No active ingredient) for a total of 90 days.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Participants in this group will receive a placebo pill by mouth twice a day for a total of 90 days.

Interventions

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Probenecid 500 Milligrams (mg)

Participants in this group will receive 500 mg of probenecid by mouth twice a day for a total of 90 days.

Intervention Type DRUG

probenecid 250 Milligrams (mg)

Participants in this group will receive 250 mg of probenecid by mouth twice a day for a total of 90 days.

Intervention Type DRUG

Placebo

Participants in this group will receive a placebo pill by mouth twice a day for a total of 90 days.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Subject has a traumatic spinal cord injury.
2. Subject is male and is 18 years or older.

Exclusion Criteria

1. Subject has been injured less than 1 year.
2. The subject is known to be azoospermic.
3. The subject has an indwelling urethral Foley catheter.
4. Subject is under the age of 18 years.
5. Subject has an unstable medical condition including, but not limited to, Crohn's disease, ulcerative colitis, colon cancer or has other conditions deemed to be exclusionary per the Investigator.
6. Subject is unable to consent or comprehend the procedures and their implications.
7. Subject has a permanent implanted electrical device, i.e., cardiac pacemaker, phrenic nerve stimulator, spinal cord stimulator, etc.
8. Any subject for whom the procedure or medication is otherwise contraindicated.
9. Subject has hypersensitivity to probenecid.
10. Subject has a history of uric acid kidney stones and/or peptic ulcer.
11. The subject has had a febrile Urinary Tract Infection (UTI) within the 2 months prior to enrollment.
12. The subject is taking methotrexate, aspirin, other salicylates, or anti-inflammatory medicines.
13. The subject has a history of Glucose-6-phosphate dehydrogenase (G6PD) deficiency.
Minimum Eligible Age

18 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

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United States Department of Defense

FED

Sponsor Role collaborator

University of Miami

OTHER

Sponsor Role lead

Responsible Party

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Emad Ibrahim

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Emad Ibrahim, MD

Role: PRINCIPAL_INVESTIGATOR

University of Miami

Locations

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University of Miami

Miami, Florida, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Odaro Ugbo, BSc

Role: CONTACT

305-243-1491

Orrey Padilla

Role: CONTACT

305-243-1491

Facility Contacts

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Orrey Padilla

Role: primary

305-243-1491

References

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Ibrahim E, Aballa TC, Lynne CM, Brackett NL. Oral probenecid improves sperm motility in men with spinal cord injury. J Spinal Cord Med. 2018 Sep;41(5):567-570. doi: 10.1080/10790268.2017.1320875. Epub 2017 May 2.

Reference Type RESULT
PMID: 28464732 (View on PubMed)

Other Identifiers

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SC220060

Identifier Type: OTHER_GRANT

Identifier Source: secondary_id

20230188

Identifier Type: -

Identifier Source: org_study_id

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