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Gene-Editing breakthrough offers hope for blood disorder patients

NCT ID NCT06065189

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tested a new gene-edited stem cell transplant in 2 children with severe β-thalassemia, a serious blood disorder requiring lifelong transfusions. The treatment aims to help the body produce healthy red blood cells and reduce or stop the need for transfusions. Researchers monitored safety, engraftment, and blood counts to see if the approach is feasible.

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

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

2 people

The number who actually took part.

Started

Nov 2023

Finished

Aug 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

3 to 17 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: * 3 to 17 years old(inclusive) male or female subjects at the time of informed consenting * Diagnosis of β-thalassemia, genotypes include but are not limited to β+β0, βEβ0, β0β0, etc * Generally in good condition, Karnofsky performance score≥60 points for subjects≥16 years old at the time of autologous hematopoietic stem cell collection, or Lansky Play-Performance score≥60 points for subjects under 16 years old, or equivalent clinical evaluation as the investigator site's common practice * For female subjects of childbearing potential: use effective contraceptive measures for at least 1 month prior to screening and agree to continue using such measures for contraception throughout the study * For male subjects who have a potential ability to father a child: use condoms or other methods continuously from the start of mobilization to ensure effective contraception for sexual partners during the study period Exclusion Criteria: * Treatment with other investigational medications or other experimental interventions 30 days prior to signing informed consent or within 6 half-lives of the drug, whichever is longer. * Subjects who have received or are receiving thalidomide and/or Luspatercept, when their drug-drug interaction on the efficacy and safety of CS-101 cannot be ruled out, unless at least there are 3 test results showing the total hemoglobin level before transfusion is below 9g/dL in the past 6 months before screening. * Previously received allogeneic hematopoietic stem cell transplantation or gene(edited) therapy. * Subjects have available related fully matching donors and are eligible and prepared for allogeneic hematopoietic stem cell transplantation. * Subjects with coexisting α-thalassemia and more than 2 deletions or non-deletional mutations in the α-globin chain coding genes. * Known to be allergic to drugs used during autologous hematopoietic stem cell transplantation (including but not limited to granulocyte colony-stimulating factor, busulfan, dextran), excipients(such as dimethyl sulfoxide), or instruments(such as intravenous catheters) as determined by the investigator are deemed unsuitable to participate in this study. * Those with active infections, including but not limited to: HIV, hepatitis B, hepatitis C, cytomegalovirus, Epstein-Barr virus and treponema pallidum test positive, or known tuberculosis, parasitic infection, etc. who are judged by the investigator to be unsuitable to participate in this study * Echocardiography results with ejection fraction below 45% * Subjects who are febrile (temperature over 37.3° C) should be held back from enrolment. * Advanced liver disease, defined as aspartate aminotransferase (AST), alanine aminotransferase (ALT) \>3 × upper limit of normal (ULN) or baseline International Normalized Ratio (INR) \>1.5 × ULN * MRI during the screening period showed heavy iron overload and is judged by the investigator to be unable to participate in the study. * Patients with past/present history of cancer * Known neurological disorders, psychological problems or mental illness, and is judged by the investigator to be unable to cooperate with the study procedures * Known history of uncontrolled epileptic seizures and is judged by the investigator to be unfit to participate in this study * Known history of other serious cardiovascular, pulmonary, renal diseases, digestive tract conditions, liver diseases and / or other conditions, etc., and are judged by the investigator to be intolerable or inappropriate for autologous hematopoietic stem cell mobilization, collection, and myeloablative conditioning and infusion * Pregnant or lactating women

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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

  • Children's Hospital of Fudan University

    Shanghai, Shanghai Municipality, 201102, China

More trials for these conditions

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