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Gene-Edited immune cells take on autoimmune blood diseases

NCT ID NCT07549698

Disease control Sponsor: CRISPR Therapeutics AG Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 23, 2026 · Updated 4 times

Summary

This early-stage trial tests a one-time treatment called CTX112, made from donor immune cells edited with CRISPR technology. It aims to safely control two autoimmune diseases where the body attacks its own blood cells: immune thrombocytopenia (ITP) and warm autoimmune hemolytic anemia (wAIHA). About 60 adults who have not responded to standard therapies will receive an infusion of these engineered cells and be monitored for side effects and signs of disease improvement.

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 60 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Dec 2033

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 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. Age ≥18 years. 2. Participants must voluntarily sign a written informed consent and be willing and able to comply with all trial requirements. 3. Adequate hematologic, renal, liver, cardiac and pulmonary function. 4. Participants must agree to use acceptable methods of contraception. 5. Willing and able to comply with scheduled visits, treatment plan, laboratory tests, contraceptive guidelines, and other trial procedures. 6. Diagnosis of relapsed/refractory primary Immune Thrombocytopenic Purpura (ITP) or Warm Autoimmune Hemolytic Anemia (WAIHA) Exclusion Criteria: 1. Prior treatment with anti-CD19 therapy or any gene therapy or genetically modified cell therapy. 2. Prior solid organ (e.g., heart, liver, kidney, lung) transplant or hematopoietic cell transplant. 3. Severe active or history of central nervous (CNS) involvement. 4. Presence of other active autoimmune disease or other conditions that are likely to pose increased safety risks and/or confound disease assessments, or pose significant risk to those receiving CAR T cell therapy. 5. History of primary or secondary immunodeficiency. 6. Presence or history of certain bacterial, viral or fungal infection 7. Malignancy in the last 5 years (with the exception of cancers deemed to be low likelihood for recurrence). 8. Diagnosis of a genetic disorder associated with bone marrow failure or myelodysplastic syndrome. 9. History or current diagnosis that requires uninterrupted, ongoing anticoagulation. 10. Pregnant or lactating. 11. Presence or history of disease requiring treatment that is not compatible with the study protocol; presence or history of other conditions that are not compatible with the study protocol.

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Conditions

The condition(s) this trial relates to.

autoimmune hemolytic anemia, warm type autoimmune thrombocytopenic purpura Purpura, Thrombocytopenic, Idiopathic

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Immune thrombocytopenic purpura ITP - immune thrombocytopenia Warm autoimmune hemolytic anemia Warm autoimmune hemolytic anemia (waiha)

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    10 sites in 3 countries. The list below names each one and where it is.

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Gregorio Marañón General University Hospital

    RECRUITING

    Madrid, Spain

  • Hospital Universitario La Paz

    NOT_YET_RECRUITING

    Madrid, Spain

  • Hospital Universitario Reina Sofia

    RECRUITING

    Córdoba, 14004, Spain

  • Hospital Universitario Virgen del Rocio

    RECRUITING

    Seville, Spain

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

  • Medizinische Hochschule Hannover

    NOT_YET_RECRUITING

    Hannover, Germany

  • Medizinische Hochschule Hannover (MHH)

    NOT_YET_RECRUITING

    Hanover, 30625, Germany

  • UCT University Medical Center Mainz

    NOT_YET_RECRUITING

    Mainz, 55131, Germany

  • Universitaetsklinikum Koeln

    RECRUITING

    Cologne, Germany

  • University of Nebraska Medical Center

    RECRUITING

    Omaha, Nebraska, 68198, United States

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