About this trial
This is a single-centre, single-arm, open-label, first-in-human (FIH) study to evaluate the safety, tolerability and preliminary efficacy of universal Off-the-shelf CAR-NK cells targeted CD123 (JD123 injection) in the treatment of refractory or relapsed CD123-positive acute myeloid leukemia (AML).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥ 18 years old, no gender or race;
Expected survival period ≥ 3 months;
Eastern Cooperative Oncology Group (ECOG) performance status score of 0 to 2;
Disqualifiers
Active Central nervous system leukemia;
Known contraindication to the protocol defined lymphodepleting chemotherapy regimen of fludarabine/cyclophosphamide;
Systemic use of hormones within 4 weeks prior to enrollment (except for patients with inhaled corticosteroids);
Any active infection requiring systemic therapy by intravenous infusion within 14 days prior to the first dose of study drug, including: HBV, HCV, HIV, syphilis infection, or active pulmonary tuberculosis.
Trial design
Single group
Treatments tested in this trial
JD123 injection
DrugJD123 injection is an universal Off-the-shelf CD123-targeted chimeric antigen receptor modified natural killer cells (CAR-NK) therapy derived from a healthy donor.
Treatment groups
Trial outcomes
Primary outcomes
1-month DLTs
Dose limiting toxicities (DLTs)
Secondary outcomes
3-month CR/CRi
Complete response (CR) or Complete remission with incomplete recovery(CRi)
1-year PFS
Progression free survival(PFS)
1-year OS
Overall Survival (OS)
1-year MRD(-)
Proportion of subjects with minimal-residual disease (MRD) negative response
Sponsors and contacts
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