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Fat-Derived stem cells injected into muscles in new myositis trial

NCT ID NCT04975841

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tested whether stem cells taken from a person's own fat tissue are safe to inject into weakened muscles. Nine people with inclusion body myositis received injections in their forearm and thigh. The main goal was to check for side effects, not to measure improvement, though researchers hope this approach might eventually slow or reverse muscle weakness.

What this could mean

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

Active substance
adipose-derived regenerative cells (stem cells from fat tissue)
What this could lead to
If safe and effective, this could point toward a treatment that slows or reverses muscle weakness in inclusion body myositis.
What could go wrong
This is a very early, small safety study with only 9 people. It is not designed to prove the treatment works, and larger trials are needed.

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

9 people

The number who actually took part.

Started

Mar 2022

Finished

Sep 2025

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

45 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: 1. Meet any of the European Neuromuscular Centre Inclusion Body Myositis research diagnostic criteria 2011 categories for IBM. (see Appendix 3) 2. Demonstrate being able to arise from a chair without support from another person or device. Subjects may use their arms to push up. 3. Able to ambulate at least 20 ft/6 meters with or without assistive device. Once arisen from the chair, participant may use any walking device, i.e. walker/frame, cane, crutches, or braces. They cannot be supported by another person and cannot use furniture or wall for support. 4. Age at onset of weakness \> 45 years 5. Able to give informed consent 6. Muscle strength graded between 6 and 9 for finger flexion and knee extension unilaterally on one side of the body (right or left) using the Kandell 0-10 scale. A subject may meet this criterion bilaterally and still be included in the study. Exclusion Criteria: 1. History of any of the following excludes subject participation in the study: chronic infection particularly HIV or Hepatitis B or C; cancer other than basal cell cancer less than five years prior, or other chronic serious medical illnesses. 2. Presence of any of the following on routine blood screening: WBC \< 3000; platelets \< 100,000; hematocrit \< 30%; BUN \> 30 mg/dL; creatinine \> 1.5 x upper limit of normal; symptomatic liver disease with serum albumin \< 3 g/dl 3. History of most recent creatine kinase \>15x the upper limit of normal without any other explanation besides IBM. 4. History of non-compliance with other therapies. 5. Use of testosterone except for physiologic replacement doses in case of androgen deficiency. Participants must have documented proof of the androgen deficiency. 6. Coexistence of any other neurological, cardiac, pulmonary, psychiatric, or rheumatologic disease that would likely to affect outcome measures. 7. Drug or alcohol abuse within past three months. Patient has recent history (within 6 months before Screening) of chronic alcohol or drug abuse which may compromise the patient's safety or ability to participate in study activities. 8. Use of cannabis 9. Participation in a recent drug study in the last 30 days prior to the screening visit or use of biologic agents less than 6 months prior to the screening visit. 10. Women who are lactating or pregnant, or men or women unwilling to use a highly effective method of birth control if not surgically sterile (defined as bilateral tubal ligation, bilateral oophorectomy, or hysterectomy for women; vasectomy for men) for both male and female participants until 4 weeks after last dose. Pre-menopausal women must have a negative pregnancy test prior to dosing with trial medication. Acceptable methods of birth control are: i. Hormonal methods associated with inhibition of ovulation such as oral, implantable, injectable, or transdermal contraceptives for a minimum of 1 full cycle (based on the patient's usual menstrual cycle period) before IMP administration. ii. Total abstinence from sexual intercourse since the last menses before IMP administration. (The reliability of sexual abstinence needs to be evaluated in relation to the duration of the clinical trial and the preferred and usual lifestyle of the subject. Periodic abstinence (calendar, symptothermal, post-ovulation methods), are not acceptable methods of contraception). iii. Intrauterine device (IUD) or intrauterine hormone-releasing system (IUS). If the subject is a sexually active male with female partners of child-bearing potential (postmenarchal)\* he must use a condom with or without spermicide in addition to the birth control used by his partners during the trial until 3 months after the last dose of trial medication. \*Non child-bearing potential is defined as post-menopausal (minimum of 12 months with no menses and follicle-stimulating hormone in the post-menopausal range) or sterilisation (hysterectomy, oophorectomy, or bilateral tubal ligation). 11. Participants taking corticosteroids within the previous 30 days prior to screening. Participants on intravenous immunoglobulin (IVIg) or other immunosuppressants within the last 3 months. Topical, nasal, and ocular corticosteroids are allowed unless they are being widely applied or the severity of the underlying condition makes them unsuitable in the Investigator's opinion. Local steroid injections are allowed. 12. Patients who have aPTT (Activated Partial Thromboplastin Time) values ≥ 1.8 X the normal value. 13. Patients who have received any anticoagulant within 1 hour prior to liposuction. 14. Patients who have received any anticoagulant within 1 hour of stem cell procedure 15. Patients who are on substantial anticoagulation (eg: GIIb/IIIa inhibitor class drugs) who cannot stop it within two weeks prior to adipose harvest 16. Participants who's IBM age of onset is under of 45 17. Participants with an elevated alkaline phosphatase level which may indicate Paget disease 18. Participants allergic or sensitive to lidocaine and or epinephrine 19. Participants with known drug exposures associated with neuromuscular side effects including antimalarial drugs (eg, chloroquine, hydroxychloroquine), colchicine, glucocorticoids, cholesterol-lowering drugs (eg, HMG-CoA reductase inhibitors \[statins\]) except if on stable dose for more than a year without impact on IBM progression, alcohol abuse, and cocaine 20. Use of other concomitant myositis treatment drugs, or cell or gene therapies (e.g. Arimoclomol, Bimagrumab, Follistatin, Rapamycin) 21. Any patient with an area of active skin infection at the site of lipoharvest 22. Participants that are current smokers, defined as an adult who has smoked 100 cigarettes in his or her lifetime and who currently smokes cigarettes.

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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

  • University of Kansas Medical Center

    Kansas City, Kansas, 66160, United States

More trials for these conditions

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