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Could stem cells help stroke patients recover? new trial launches

NCT ID NCT07371624

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 Aug 14, 2026 · Updated 2 times

Summary

This study tests a single injection of stem cells (B2065) given within 36 hours of a stroke. The goal is to see if it is safe and might help patients recover better. Fifty-four adults with moderate to severe stroke will receive either the stem cells or a placebo, and be followed for two years.

What this could mean

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

Active substance
B2065 (allogeneic adipose-derived mesenchymal stromal cells)
What this could lead to
If it works, this could point toward a treatment that helps people recover better after a stroke by reducing brain damage.
What could go wrong
This is an early-phase trial with only 54 participants, so it is not yet proven to work. There may be side effects like infusion reactions or other unknown risks.

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

About 54 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2025

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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. Aged 18 to 75 years (inclusive of the boundary values), with no restriction on sex. 2. Patients with ischemic stroke confirmed by imaging examinations (CT/MRI). 3. Time from onset of stroke symptoms to administration of the investigational product ≤36 hours; for wake-up stroke, the time of onset is defined as the last-known-well time (the last time the patient was observed to be normal). 4. NIHSS score at screening is 8 to 20. 5. The patient or legally authorized representative is willing to participate in this trial and agrees to sign the informed consent form. Exclusion Criteria 1. Patients who have received intravenous thrombolysis and/or mechanical thrombectomy prior to dosing. 2. Modified Rankin Scale (mRS) score ≥2 before stroke onset. 3. Patients who currently have intracranial hemorrhagic diseases (e.g., intracerebral hemorrhage, epidural hematoma, subarachnoid hemorrhage, etc.), or who have brain tumors, cerebrovascular malformations, multiple sclerosis, a history of severe traumatic brain injury, encephalitis, or other conditions causing stroke-like symptoms. 4. Patients who are unable to undergo CT and/or MRI examinations. 5. Patients with decreased level of consciousness (NIHSS item 1a score ≥2). 6. Patients who may have major neurologic or psychiatric disorders that seriously interfere with the participant's compliance with trial assessments. 7. Body temperature \>38°C prior to dosing, and the investigator assesses that there is a risk of infection. 8. Patients with uncontrollable active infection; or patients who have received systemic anti-infective therapy within 7 days prior to dosing and, in the investigator's judgment, may be likely to convert to uncontrollable active infection in the short term. 9. Patients with current or prior severe diseases of other organ systems, including but not limited to: 1. Patients with severe heart failure (NYHA Class III or IV) and/or severe respiratory failure; 2. Patients with renal disease with estimated glomerular filtration rate (eGFR) \<30 mL/min/1.73 m²; 3. Advanced liver disease, such as hepatitis or liver cirrhosis; 4. Patients positive for hepatitis B surface antigen (HBsAg) and/or hepatitis B e antigen (HBeAg); patients positive for hepatitis B e antibody (HBeAb) and/or hepatitis B core antibody (HBcAb) with quantitative HBV-DNA above the upper limit of normal; patients with any of the following test results positive: hepatitis C virus antibody (HCV-Ab), Treponema pallidum antibody (TP-Ab), or human immunodeficiency virus antibody (HIV-Ab); 5. Patients with hypertension not controlled after taking therapeutic medications, with systolic blood pressure ≥185 mmHg and/or diastolic blood pressure ≥110 mmHg; 6. Blood glucose \<2.8 mmol/L (50 mg/dL) or \>22.2 mmol/L (400 mg/dL). 10. Screening laboratory tests meeting any of the following criteria: 1. Serum alanine aminotransferase (ALT) ≥3× upper limit of normal (ULN); 2. Serum aspartate aminotransferase (AST) ≥3× ULN; 3. Serum creatinine (Cr) ≥2× ULN; 4. Absolute neutrophil count (ANC) \<1.5×10\^9/L; 5. Platelet count (PLT) \<100×10\^9/L; 6. Hemoglobin (Hgb) \<90 g/L; 7. International normalized ratio (INR) \>1.7 or activated partial thromboplastin time (APTT) \>1.25× ULN. 11. Patients with malignant tumors or other diseases with an expected survival of less than 2 years. 12. Patients with other acquired or congenital immunodeficiency diseases, or those currently using immunosuppressants. 13. Patients who, upon screening inquiry, have alcohol dependence or a history of drug abuse. 14. Pregnant or breastfeeding women; or those who plan to conceive, donate sperm, or donate oocytes during the trial and/or are unwilling to take effective contraception measures. 15. Patients who participated in any other clinical trial within 1 month prior to screening. 16. Patients who are allergic to any component of the investigational product. 17. Patients deemed by the investigator to be unsuitable for participation in this 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.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Beijing Tiantan Hospital, Capital Medical University

    RECRUITING

    Beijing, China

More trials for these conditions

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