This study follows growth and development-related outcomes after gene therapy in children with transfusion-dependent beta-thalassemia. It enrolls children who have received gene therapy, along with children on supportive therapy and healthy children (ages 3-14) as comparison groups. It is an observational study with no assigned phase and is currently recruiting participants.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria: Gene therapy group-inclusion * Male or female age of 3-14 years * TDT Children who have received gene therapy. * Subjects who are willing and able to provide written informed consent. Supportive therapy group-inclusion * Gender same as the matched case * Age similar to the matched case * Children with β-TDT * No history of gene therapy or allogeneic hematopoietic stem cell transplantation * Subjects who are willing and able to provide written informed consent. Healthy children group-inclusion * Gender same as the matched case * Age similar to the matched case * Subjects who are willing and able to provide written informed consent. Exclusion Criteria: * Diagnosis of compound α-thalassemia * Uncontrolled systemic fungal, bacterial, or viral infection * History of malignant solid tumors, myeloproliferative or immunodeficiency diseases * Diagnosed with mental illness * Patients considered to be ineligible for the study by the investigator for reasons other than the above Discontinuation of Study : * Subjects who are unwilling or unable to continue participating in the study (withdrawal of informed consent) may withdraw from the study * Subjects who received gene therapy or allogeneic hematopoietic stem cell transplantation during the study * The subject is seriously non-compliant with the study requirements, such as missing 2 consecutive visits * Subject lost to follow-up