What the trial was testing
The trial enrolled 16 patients with thalassemia. The study was sponsored by Gamida Cell ltd and tracked outcomes across the full group of patients who matched the trial's eligibility profile.
It was an early-stage trial — researchers are still confirming safety and getting an early look at how well the treatment works. Trials at this stage are designed to produce evidence regulators and physicians can act on — not just observations to follow up later.
What the results showed
85% of patients were alive and disease-free after 4 years following transplant.
Blood advances · 2021 · NCT01590628
These findings — that most patients were alive without disease after 4 years — were published in the Blood advances and represent the headline result of the study.
Researchers tracked outcomes across 16 patients enrolled in the trial. The result was consistent enough across the group that the team felt confident reporting it.
What this means for patients
For patients with thalassemia, this result changes the calculus on what to ask their care team about. Whether it changes day-to-day care depends on factors like disease subtype, prior treatments, and where the patient is in their care journey.
What you can do now
This was an early-stage study and the treatment is not yet FDA-approved. The approach showed promise but had a high rate of immune reactions that needed treatment. If you have sickle cell disease, ask your doctor about open trials or other transplant options that might be available now.
Eligibility for the treatments mentioned above depends on specific test results and clinical history. Bring this summary, the trial name, and your most recent labs or pathology report to your next visit.
Open thalassemia trials
the Safety and Efficacy Evaluation of HGI-001 Injection in Patients With Transfusion-Dependent β-Thalassemia
This is an open label study to evaluate the safety and efficacy of β-globin Restored Autologous Hematopoietic Stem Cells in ß-Thalassemia Major Patients
Long-term Follow-up Study of BHC001 for TDT
Observe long-term safety risk and long-term efficacy after intravenous infusion of BHC001 in TDT subjects.