CD7 CAR-T therapy for severe aplastic anemia before stem cell transplant

Is this trial a fit for you?

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

What this trial studies

This clinical trial is a single-arm, open-label, phase I study aimed at evaluating the safety and efficacy of CD7 CAR-T cell therapy as a bridging treatment to allogeneic hematopoietic stem cell transplantation (alloHSCT) for patients with severe aplastic anemia. The study will assess dose limiting toxicity (DLT) and the incidence of treatment emergent adverse events (TEAE) in participants. It is conducted at a single center, focusing on a specific patient population with severe aplastic anemia who are not suitable for traditional transplantation methods.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Chinese expert consensus on the diagnosis and treatment of aplastic anemia（2017）, Diagnosis of severe aplastic anemia ，1. The degree of bone marrow cell proliferation \< 25%, or 25%-50% but residual hematopoietic cells \< 30%；2. With pancytopenia (at least two of the following peripheral blood parameters) : (1) absolute neutrophil \<0.5×10\^9/L; (2) Platelet count\< 20×10\^9/L; (3) The absolute value of reticulocytes \<20×109/L;
* Suitable donors (relatives) with allogeneic HSCT indications and at least haploid allogeneic transplantation;
* Patients who are not suitable or unwilling to undergo traditional allogeneic hematopoietic stem cell transplantation;
* creatinine clearance \> 60ml/min; without liver invasion, serum total bilirubin ≤ 1.5 times the upper limit of normal, and serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were both ≤ 3 times the upper limit of the normal range. If there is liver invasion, serum erythrambirubin ≤ 3 times the upper limit of normal, and serum ALT and AST are both ≤ 5 times the upper limit of the normal range;
* Echocardiogram shows left ventricular ejection fraction (LVEF) ≥ 50%;
* No active infection in the lungs, blood oxygen saturation in indoor air is ≥ 92%;
* Estimated survival time ≥ 3 months;
* ECOG performance status 0 to 1;
* Females and males of childbearing potential must agree to use adequate contraception prior to study entry, during study participation, and for 6 months after infusion (the safety of this therapy for unborn children is not known and has unknown risks);
* Those who voluntarily participated in this trial and provided informed consent;

Exclusion Criteria:

* Allergy to pre-treatment measures；
* Those with acute graft versus host disease (GvHD) or moderate to severe chronic GvHD within 4 weeks before screening; Those who have received systemic drug therapy for GvHD within 4 weeks before the reinfusion；
* History of epilepsy or other central nervous system disorders；
* Electrocardiogram shows prolonged QT interval, severe heart diseases such as severe arrhythmia in the past;
* Less than 100 days after allogeneic hematopoietic stem cell transplantation；
* Patients with HIV infection，Active infection of hepatitis B virus or hepatitis C virus，Uncured active infection；
* The proiferation rate is less than 5 times response to CD3/CD28 co-stimulation signal;
* Received anti-cancer chemotherapy or other drug treatment within 2 weeks prior to screening;
* Any condition that, in the opinion of the investigator, may increase the risk to the subject or interfere with the results of the study.

Where it's running

• The First Affiliated Hospital of Zhejiang University School of Medicine
  Hanzhou, Zhejiang, China Recruiting

Study contacts

• Principal investigator: He Huang, MD — Zhejiang University
• Study coordinator: He Z Huang, MD
• Email: hehuangyu@126.com
• Phone: 13605714822

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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.