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Shoulder surgery recovery: steroid trial halted after just 4 patients

NCT ID NCT03091075

Disease control Sponsor: University of Southern California Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 27, 2026

Summary

This study tested whether taking the steroid oxandrolone for 12 weeks after rotator cuff repair could improve tendon healing and muscle mass. Only 4 people participated before the trial was stopped early. Because it was so small, we cannot draw any reliable conclusions about whether oxandrolone helps or is safe for this purpose.

What this could mean

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

Active substance
Oxandrolone (a synthetic steroid similar to testosterone)
What this could lead to
If it worked, oxandrolone might improve tendon healing and muscle recovery after rotator cuff surgery.
What could go wrong
The trial was terminated early with only 4 participants, so results are very limited. It is unclear if oxandrolone is safe or effective for this use.

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

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

4 people

The number who actually took part.

Started

Sep 2018

Finished

Jan 2026

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

40 to 75 years

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: * scheduled for rotator cuff repair * failed nonoperative management of chronic, full thickness rotator cuff tears * full thickness rotator cuff tear confirmed on MRI Exclusion Criteria: * patients with prior shoulder surgery or prior rotator cuff repair * tears larger than 5 cm * significant glenohumeral arthritis (Hamada Grade 2 or higher) * Untreated diabetes mellitus * Pituitary tumor * Rheumatoid arthritis * Uncontrolled hypertension * Congestive heart failure * Myocardial infarction within the past 6 months * End-stage renal disease * Liver enzymes two times the normal value * Deep Vein Thrombosis (DVT) within the past 6 months * Disorder of the coagulation system * Currently taking anticoagulation * Claustrophobia * Prior or current use of anabolic steroids * Chromosomal disorders * Prostate cancer * Breast cancer * Hypercalcemia * Medications that interfere with testosterone production or function, including but not limited to 5 alpha-reductase inhibitors * Pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the Screening visit through 6 weeks after the last dose of study treatment * Any other condition or treatment interfering with completion of the trial

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Conditions

The condition(s) this trial relates to.

Rotator Cuff Injuries rotator cuff syndrome

As listed by the trial registrant

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

Rotator cuff tear

Contacts and locations

Locations

  • Keck School of Medicine of the University of Southern California

    Los Angeles, California, 90033, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.