CAR T-cell Therapy Directed to CD70 for Pediatric Patients With Hematological Malignancies

Recruiting now · Phase 1

Conditions studied: Hematologic Malignancy, ALL, Childhood, AML, Childhood, Lymphoma, MDS

In brief

The study participant has one of the following blood cancers: acute myelogenous leukemia (AML)/myelodysplastic syndrome (MDS), acute lymphoblastic leukemia (B-ALL, T-ALL) or Lymphoma. Your cancer has been difficult to treat (refractory) or has come back after treatment (relapse). Primary Objective To determine the safety and maximum tolerated dose of intravenous infusions of escalating doses of CD70-CAR T cells in patients (≤21 years) with recurrent/refractory CD70+ hematological malignancies after lymphodepleting chemotherapy. Secondary Objectives To evaluate the antileukemic activity of CD70-CAR T cells. We will determine the anti- leukemic activity of the CD70-CAR T cells in the bone marrow and in the treatment of extramedullary disease.

Key facts

Study ID

NCT06326463

Run by

St. Jude Children's Research Hospital

People needed

18

Starts

2024-10-16

Expected to finish

2031-07-01

Last updated by the study team

2026-01-23

Who can join

Age: any, up to 21. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age ≤21 years old
• Relapsed/refractory CD70+ hematological malignancy
• Relapsed disease: Patients developing recurrent disease after a prior complete remission (CR)
• Refractory disease: Patients with persistent disease despite 3 cycles of induction chemotherapy.
• Relapsed/refractory CD70+ AML or MDS:
• Relapsed disease that is CD70 positive
• Refractory disease that is persistent despite 3 cycles of chemotherapy
• Relapsed/refractory CD70+ B-cell ALL:
• Relapsed disease that is CD70 positive and CD19 negative/dim or patients otherwise ineligible for CD19-directed therapies including:
• Patients in 2nd or greater relapse
• Patients with relapse after allogeneic HSCT
• Relapsed/refractory CD70+ T-cell ALL:
• Relapsed /refractory disease that is CD70 positive
• Mixed Phenotype Acute Leukemia (MPAL):
• Relapsed/refractory that is CD70 positive
• Relapsed/refractory CD70+ lymphoma:
• Relapsed disease that is CD70 positive and CD19 negative/dim or patients otherwise ineligible for CD19-directed therapies including:
• Patients in 2nd or greater relapse
• Patients with relapse after allogeneic HSCT
• Estimated life expectancy of >12 weeks
• Karnofsky or Lansky (age- dependent) performance score ≥50
• Patients with a history of prior allogeneic HCT must be clinically recovered from prior HCT therapy, have no evidence of active GVHD and have not received a donor lymphocyte infusion (DLI) within the 28 days prior to apheresis
• Patient must have an identified HCT donor
• For females of childbearing age:
• i. Not lactating with intent to breastfeed

You may not qualify if…

• Known primary immunodeficiency
• Known history of HIV positivity
• Severe intercurrent bacterial, viral or fungal infection
• History of hypersensitivity to cornstarch or hydroxyethyl starch
• Patients with acute promyelocytic leukemia (APL)
• Known contraindication to protocol defined lymphodepleting
• chemotherapy regimen of Fludarabine/cyclophosphamide

Where it is running

• St. Jude Children's Research Hospital — Memphis, Tennessee, United States (enrolling)

Full record on ClinicalTrials.gov

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