Clinical trial Recruiting at 10 sites Phase2; Phase3 Interventional Ages 18 to 75

Evaluating a new CAR T cell therapy for systemic sclerosis

Official title: A Phase 1/2, Open-Label Study to Evaluate the Safety and Efficacy of Autologous CD19-specific Chimeric Antigen Receptor T Cells (CABA-201) in Subjects With Systemic Sclerosis

Run by Cabaletta Bio · NCT06328777 · Data updated 2026-11-12

This study is testing a new CAR T cell therapy to see if it can help people with systemic sclerosis feel better and manage their symptoms.

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment37 (estimated)
SponsorCabaletta Bio
Industry-sponsored
Drugs / interventionsCAR T, cyclophosphamide, fludarabine
Locations10 sites (New Haven, Connecticut and 9 other locations)
StatusRecruiting
StartedJuly 2, 2024
Main results expectedJuly 2029
Study endsJuly 2029
Registry record updatedOctober 16, 2026
Trial IDNCT06328777 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 to 75 with a clinical diagnosis of systemic sclerosis and evidence of significant organ involvement.

Probably not a fit

Patients with severe uncontrolled diseases or contraindications to the study medications may not benefit from this therapy.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the safety and efficacy of CABA-201, a CD19-CAR T cell therapy, in patients with systemic sclerosis (SSc), a rare autoimmune disorder. Participants aged 18 to 75 with early active disease and significant organ involvement will receive a single dose of CABA-201 alongside cyclophosphamide and fludarabine. The study aims to assess how well this therapy can improve symptoms and manage the disease. It is an open-label study, meaning both the researchers and participants know the treatment being administered.

Why it matters

Potential benefit: If successful, this therapy could provide a new treatment option for patients suffering from systemic sclerosis, potentially improving their quality of life.

How similar studies have gone: While CAR T cell therapies have shown promise in other autoimmune conditions, this specific application for systemic sclerosis is novel and has not been extensively tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥18 and ≤75
* A clinical diagnosis of SSc, based on the 2013 American College of Rheumatology and European League Against Rheumatism classification criteria.
* Early active disease
* Evidence of significant skin, pulmonary, or cardiac involvement

Exclusion Criteria:

* Contraindication to leukapheresis
* History of anaphylactic or severe systemic reaction to fludarabine, cyclophosphamide or any of their metabolites
* Active infection requiring medical intervention at screening visit
* Current symptoms of severe, progressive, or uncontrolled renal, hepatic, hematological, gastrointestinal, pulmonary, psychiatric, cardiac, neurological, or cerebral disease, including severe and uncontrolled infections, such as sepsis and opportunistic infections.
* Concomitant medical conditions that, in the opinion of the investigator, might place the subject at unacceptable risk for participation in this study, interfere with the assessment of the effects or safety of the investigational product or with the study procedures
* Severe lung or cardiac impairment
* Previous CAR T cell therapy
* Prior solid organ (heart, liver, kidney, lung) transplant or hematopoietic cell transplant

Other protocol-defined inclusion/exclusion criteria may apply.

Where it's running

  • Yale University
    New Haven, Connecticut, United States
    Recruiting
  • Mayo Clinic Florida
    Jacksonville, Florida, United States
    Recruiting
  • Northwestern Memorial Hospital
    Chicago, Illinois, United States
    Recruiting
  • The University of Chicago Medical Center
    Chicago, Illinois, United States
    Recruiting
  • University of Kansas Medical Center
    Kansas City, Kansas, United States
    Recruiting
  • University of Michigan
    Ann Arbor, Michigan, United States
    Recruiting
Show 4 more locations
  • Mayo Clinic Rochester
    Rochester, Minnesota, United States
    Recruiting
  • Columbia University Irving Medical Center
    New York, New York, United States
    Recruiting
  • University of Rochester
    Rochester, New York, United States
    Recruiting
  • Duke University
    Durham, North Carolina, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.