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Could a single stem cell infusion help both alcoholism and depression?

NCT ID NCT03265808

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 early-stage trial tested whether a one-time infusion of donor stem cells is safe for people with both alcohol use disorder and major depression. Thirty-one participants received either the stem cells or a placebo. The main goal was to check for serious side effects, like suicidal thoughts or hospital stays. Researchers also looked at changes in inflammation levels in the blood.

What this could mean

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

Active substance
donor stem cells (allogeneic human mesenchymal stem cells)
What this could lead to
If it works, this could point toward a new treatment option for people struggling with both alcohol use disorder and depression.
What could go wrong
This is a very early, small trial (31 people) focused mainly on safety, not effectiveness. The stem cells are from donors, so the body might reject them, and long-term benefits are uncertain.

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 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

31 people

The number who actually took part.

Started

Mar 2018

Finished

Jul 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

18 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: 1. Provide written informed consent. 2. Subjects age \>18 and \<75 years at the time of signing the Informed Consent Form. 3. Diagnostic and Statistical Manual of Mental Disorder-5 criteria for Alcohol Urge Questionnaire (moderate or severe defined as meeting 4 or more of the 11 criteria) AND a concurrent Diagnostic and Statistical Manual of Mental Disorder-5 recurrent unipolar major depression with HRSD-25 score of 18 or above. 4. A history of a depressive episode occurring or persisting during a period of one-month abstinence. 5. Participants should express the desire to reduce or stop alcohol consumption, report 28 or more standard drinks (SD) per week for males or 21 for females over four weeks during the 90 days preceding study enrollment. 6. Increased inflammation (\[serum C-reactive protein\] ≥3.0 mg/L. 7. Agree to taper and discontinue antidepressant medications during the 12-week trial. 8. Able to provide informed consent and comply with study procedures. 9. Able to read English and understand study instruments. 10. Entry criteria for depression and alcohol use disorder (moderate or severe) will be established using the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders (SCID) for categorical diagnosis. 11. Have a score of ≥18 on the Hamilton Depression Rating Scale for Depression (HAM-D). Exclusion Criteria: 1. Acute suicidality. 2. Any lifetime history of bipolar disorder, schizophrenia, or schizoaffective disorder. 3. Active psychotic disorder, eating disorder, or substance use disorder except for alcohol and tobacco or "mild" cannabis use disorder within 6 months of enrollment. 4. Any lifetime history of autoimmune or immunodeficiency syndrome. 5. Treatment with any psychotropic (including hypnotic), steroidal, or anti-inflammatory medication (including NSAIDs) within 2 weeks of treatment randomization (6 weeks for fluoxetine). 6. Any current use of medication that affect alcohol consumption such as acamprosate, disulfiram, naltrexone (po or IM), topiramate, or sedative-hypnotics including benzodiazepines or any psychostimulant. 7. Being enrolled in an alcohol treatment program (self-help groups participation such as Alcoholics Anonymous or Dual Diagnosis self-help are allowed). 8. Active medical condition that could cause or exacerbate depressive symptoms (e.g., hypothyroidism, anemia). 9. Currently pregnant or breast-feeding. 10. Lack of use of a reliable means of contraception methods. (Female subjects of childbearing potential must undergo a serum or urine pregnancy test at screening and within 36 hours prior to infusion.) 11. First major depressive episode after 50 years of age. 12. Any evidence of current infection including serum positive for HIV, hepatitis BsAg or Viremic hepatitis. 13. Medical conditions with known autoimmune or inflammatory mechanisms including any chronic allergic condition. 14. Positive urine screens for any drug of abuse other than cannabis at baseline. 15. Inability to read or understand study forms or informed consent or the presence of any other conditions or factors, which in the opinion of the investigator would make the patient unsuitable for study participation. 16. Prior history of a suicide attempt, within the past year. 17. Have hypersensitivity to dimethyl sulfoxide (DMSO). 18. Have a clinical history of malignancy within 3 years (i.e., subjects with prior malignancy must be disease free for 3 years), except curatively-treated basal cell carcinoma, squamous cell carcinoma, melanoma in situ or cervical carcinoma. 19. Be serum positive for HIV, hepatitis BsAg or Viremic hepatitis C. 20. Be currently participating (or participated within the previous 30 days) in an investigational therapeutic or device trial.

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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 Texas Rio Grande Valley School of Medicine

    Harlingen, Texas, 78550, United States

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