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Could your own fat cells fix your hip pain? early trial launches

NCT ID NCT03608579

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This early-stage trial tests whether injecting a person's own fat-derived stem cells into a painful arthritic hip is safe and might reduce pain. Researchers at Mayo Clinic are enrolling 24 adults aged 18-65 with hip osteoarthritis. The main goal is to check for side effects, while also measuring changes in pain and activity levels.

What this could mean

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

Active substance
a person's own fat-derived stem cells (mesenchymal stromal cells)
What this could lead to
If it works, this could point toward a non-surgical way to reduce hip pain and improve activity for people with osteoarthritis.
What could go wrong
This is a very early Phase 1 safety trial with only 24 people. It is not designed to prove the treatment works, and the stem cell approach may not provide lasting pain relief or could cause side effects.

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 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

24 people

The number who actually took part.

Started

Nov 2018

Expected to finish

Dec 2026

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

18 to 65 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 To be eligible for inclusion into this study, the subjects must fulfill all of the following criteria: 1. Male or female ages 18-65 years • Persons of childbearing potential must have a negative pregnancy test prior to receiving the study drug and will agree to use adequate contraception (hormonal or barrier method or abstinence) from the time of screening to a period of 1 year following completion of the drug treatment cycle. Females of childbearing potential are defined as premenopausal and not surgically sterilized, or post-menopausal for fewer than 2 years. A urine pregnancy test will be performed prior to the administration of the study drug to confirm negative results. If the urine pregnancy test is positive, the study drug will not be administered and the result will be confirmed by a serum pregnancy test. Serum pregnancy tests will be performed at a central clinical laboratory, whereas urine pregnancy tests will be performed by qualified personnel using kit 2. Persons becoming pregnant during the study will continue to be monitored for the duration of the study or completion of the pregnancy, whichever is longer. Monitoring will include perinatal and neonatal outcome. Any SAEs associated with pregnancy will be recorded. 3. Chronic (\> 3 months), unilaterally symptomatic, primary hip OA. Patients with episodes of contralateral hip pain that is asymptomatic at the time of enrollment will be eligible for inclusion. However, as outlined in the primary study endpoints, patients with previous episodes of contralateral hip pain who experience a repeat episode of contralateral pain similar to their established pattern of pain during the course of the trial will not be considered as having experienced an adverse event. 4. Radiographic hip OA of Tönnis Grade 1 - 2, accompanied by at least mild sclerosis and joint space narrowing, as agreed upon by two study co-investigators without underlying structural hip abnormalities 5. Previous 6 week or longer trial of one of the following conservative treatments: activity modification, weight loss, physical therapy, anti-inflammatory medications or injection therapy (e.g. cortisone) 6. Able to routinely walk without assistance (e.g. cane, walker) 7. Clinically stable target hip 8. No surgery planned in the target hip for at least 12 months following the last injection 9. Completed general physical and well-being evaluation with primary care provider within 12 months of enrollment 10. Fully understanding of the requirements of the study and willingness to comply with the treatment plan, including fat harvesting, laboratory tests, diagnostic imaging, and follow-up visits and assessments 11. Can provide written informed consent and complete HIPAA documentation after the nature of the study is fully explained and prior to any study-related procedure Exclusion Criteria To be eligible for inclusion in this study, the subjects must not meet any of the following criteria: 1. Pregnant or nursing, or planning on becoming pregnant during the study period 2. Congenital or acquired malformation of the target hip resulting in significant deformity or leading to problems with the study treatment or analysis of the results 3. Significant structural deformity, including large cam lesion (alpha angle greater than 55 degrees) or moderate dysplasia (defined as lateral center edge angle less than 18 degrees). 4. Injections of any kind into the target hip within 3 months prior to study enrollment 5. Locking, catching, give-away or another major mechanical symptoms of the target hip 6. History of intra-articular infection in the target hip 7. History of superficial infection in the target hip within 6 months of study enrollment, or evidence of current superficial infection affecting the target hip 8. History of falls requiring medical attention, or gait instability 9. Clinically significant abnormal hematology (complete blood count with differential), blood chemistry, or urinalysis screening laboratory results. 10. Body mass index (BMI) \> 35 kg/m2 11. Taking anticoagulant medications (e.g. warfarin, heparin or clopidogrel) which may pose a clinically-significant contraindication to intra-articular injection. 12. Taking herbal therapies or supplements within 4 weeks of enrollment or unwilling to avoid use of herbal therapies or supplements until at least 30 days following completion of the study drug treatment cycle (includes, but not limited to chondroitin sulfate, diacerein, n-glucosamine and capsaicin) 13. Taking non-steroidal anti-inflammatory medications (e.g. COX-2 inhibitors) without a stable dosing regimen for at least 4 weeks before baseline evaluation, or anticipating not remaining on a stable dose until at least 30 days following completion of the study drug treatment cycle 14. Use of electrotherapy or acupuncture for OA, unless there is a stable regimen for at least 4 weeks before baseline assessment 15. Taking anti-rheumatic disease medication (including methotrexate or other antimetabolites) within 3 months prior to study enrollment 16. On chronic, immunosuppressive transplant therapy or having a chronic, immunosuppressive state, including use of systemic steroids/corticosteroids 17. Current tobacco product use, including nicotine patch or other nicotine products 18. Clinically significant systemic inflammatory, rheumatological or connective tissue disorder including but not limited to rheumatoid arthritis, systemic sclerosis, system lupus erythematosus, and Ehlers-Danlos Syndrome 19. Clinically significant rheumatological or inflammatory disease of the hip or chondrocalcinosis/calcium pyrophosphate disease (CPPD), hemochromatosis, inflammatory arthritis, arthropathy of the hip associated with juxta-articular Paget's disease of the femur or pelvis, ochronosis, hemophilic arthropathy, infectious arthritis, Charcot's hip joint, villonodular synovitis, and synovial chondromatosis 20. Ongoing infectious disease, including but not limited to tuberculosis, HIV, hepatitis, and syphilis 21. Clinically significant cardiovascular (e.g. history of myocardial infarction, congestive heart failure or uncontrolled hypertension \> 90 mmHg diastolic and/or 180 mmHg systolic), neurologic (e.g. stroke, TIA) renal, hepatic, orthopedic (e.g. surgery on other weight bearing joints that will interfere with study, osteoporosis, acute lower body fractures), or endocrine disease (e.g. diabetes). 22. Vascular or neurological disorder affecting the either lower limb which poses clinical significance to the safe delivery of intra-articular therapy. 23. History of cancer/malignancy with the exception of adequately treated basal cell or squamous cell carcinoma of the skin not associated with the target hip 24. History of clinically significant blood dyscrasia, including but not limited to anemia, thrombocytopenia, and monoclonal gammopathy 25. Participation in a study of an experimental drug or medical device within 3 months of study enrollment 26. Known allergy to local anesthetics of other components of the study drug 27. Any contraindication to MRI scan according to MRI guidelines, or unwillingness to undergo MRI procedures 28. History of or current evidence of alcohol or drug abuse or dependence, recreational use of illicit drug or prescription medications, or have use of medical marijuana within 30 days of study entry 29. Any illness or condition which, in the investigators' judgement will interfere with the patient's ability to comply with the protocol, compromise patient safety, or interfere with the interpretation of the study results

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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.

Contacts and locations

Locations

  • Mayo Clinic in Rochester

    Rochester, Minnesota, 55905, United States

More trials for these conditions

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