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Cord blood cells take on scleroderma in new trial

NCT ID NCT04356287

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tests whether infusions of stem cells from donated umbilical cords are safe and can help people with systemic sclerosis, a rare disease that causes skin hardening and organ damage. 18 adults with severe disease will receive either the stem cells or a placebo. Researchers will check for side effects and measure changes in skin thickness over 12 months.

What this could mean

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

Active substance
umbilical cord-derived mesenchymal stromal cells (stem cells)
What this could lead to
If it works, this could point toward a new treatment to control systemic sclerosis and reduce skin thickening.
What could go wrong
This is a very early, small trial with only 18 people. The treatment may not work or could cause side effects. It is not a cure.

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 18 people

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

Started

Jan 2023

Expected to finish

Dec 2027

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 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. SSc according to American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) 2103 classification criteria for systemic sclerosis 2. Severe disease defined as: i) disease duration of 2 years or less with an mRss of \> 20 and (ESR \> 25 mm and/or hemoglobin \< 11 g/dL, not explained by other causes than SSc), or ii) mRss \>15 without any restriction as to disease duration plus at least one major organ involvement as defined by: a) respiratory involvement consisting of lung diffusion capacity for carbon monoxide (DLCO) and/or forced vital capacity (FVC) \< 80% predicted and evidence of interstitial lung disease (chest X-ray and/or high resolution computed tomography (HRCT) scan); b) renal involvement consisting of past renal crisis and/or stage 2 or 3 chronic kidney disease (glomerular filtration rate between 30-89 mL/min) not explained by other causes than SSc; c) cardiac involvement consisting of reversible congestive heart failure, atrial or ventricular rhythm disturbances such as recurrent episodes of atrial fibrillation or flutter, recurrent atrial paroxysmal tachycardia, conduction abnormalities (2nd or 3rd degree atrioventricular block), and/or mild to moderate pericardial effusion. All causes of organ involvement should be attributed to SSc. 3. Inadequate response (determined by patient and physician judgement) or adverse events necessitating discontinuation of standard therapy (usually consisting of methotrexate 25 mg subcutaneous (or as tolerated) per week and/or mycophenolate mofetil 2-3 gm/d (or as tolerated) for at least 3 months 4. Ineligibility or unwillingness to undergo autologous hematopoietic stem cell transplant Exclusion Criteria: 1. Age \< 18 years 2. Pregnancy or unwillingness to use adequate contraception 3. Life-threatening end-organ damage defined as: * FVC \< 45% and/or DLCO (corrected for hemoglobin) \< 30% predicted; * Left ventricular ejection fraction \< 40% by cardiac echocardiography; * Pulmonary hypertension with baseline resting systolic pulmonary arterial pressures \> 50 mmHg by cardiac echocardiography, or mean pulmonary artery pressure \> 25 mmHg (and pulmonary wedge pressure \< 15 mmHg) on right heart catheterization; * stage 4 or more chronic kidney disease (glomerular filtration rate \< 30 ml/min) 4. Liver failure defined as an abnormal transaminase level (aspartate aminotransferase (ASAT), alanine aminotransaminase (ALAT) \> 3 normal) unless related to activity of the disease 5. Concurrent neoplasms or myelodysplasia 6. Uncontrolled hypertension 7. Uncontrolled acute or chronic infection (HIV, HTLV-1/2 (Human T-lymphotropic virus), hepatitis B surface Ag positive, hepatitis C positive) or high risk thereof 8. Significant malnutrition with BMI \< 18 kg/m2 9. Severe concomitant psychiatric disorder 10. Bone marrow insufficiency defined as neutropenia \< 0.5 x 109 cell/L, thrombocytopenia \< 30 x 109 cell/L, anemia \< 8g/dL, CD4+ T lymphopenia \< 200 x 106 cell/L due to other diseases than SSc (CD4 - cluster of differentiation 4) 11. History of poor compliance 12. Concurrent enrolment in any other protocol using an investigational drug 13. Inability to provide informed consent

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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

  • Sir Mortimer B. Davis Jewish General Hospital

    RECRUITING

    Montreal, Quebec, H3T 1E2, Canada

More trials for these conditions

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