Iomab-B Followed by CAR-T Cell Therapy

single 50 mCi dose of 131I-Apamistamab given prior to CAR-T cell infusion.

This is an open-label single-cohort multi-institutional study of 131I-Apamistamab followed by CAR-T cell therapy for patients with (R/R) DLBCL. Patients will receive a 50 mCi single planned 131I-Apamistamab dose prior to CAR-T cell infusion for lymphodepleting conditioning. There will be a 6-patient safety run-in to assess safety.

This study is being done to determine the safety, efficacy and tolerability of a single 50 mCi dose of 131I-Apamistamab given prior to FDA approved (commercially available) infusion in patients with Relapsed or refractory (R/R) non-Hodgkin lymphoma.

Live record on ClinicalTrials.gov →

• Patients with diffuse large B-cell lymphoma (de novo or DLBCL transformed from an indolent lymphoma (follicular lymphoma, chronic lymphocytic leukemia [Richter syndrome]) or high-grade B-cell lymphoma (HGBL): ("DLBCL patients")
• Defined as relapsed or refractory DLBCL or high-grade B-cell lymphoma (HGBL) following at least one or more prior chemoimmunotherapy regimen (with at least one course including an anthracycline and CD20-directed therapy) following diagnosis of de novo DLBCL/HGBL or DLBCL arising from indolent lymphoma and requiring further treatment and deemed to be candidates for standard of care CAR-T therapy. This includes patients with primary refractory disease (failure to achieve complete response (CR) to first-line therapy), relapsed disease within 12 months of first line chemoimmunotherapy or relapsed/refractory disease after 2 or more prior lines of systemic therapy.
• Relapsed or refractory disease must be confirmed with a repeat biopsy within the last 12 months.
• Age ≥ 18 years of age
• Creatinine clearance ≥50 mL/min as calculated by the Cockroft-Gault formula.
• Total bilirubin ≤1.5x upper limit of normal , AST and ALT ≤3x upper limit of normal (ULN), unless liver dysfunction is thought to be related to underlying malignancy or secondary to Gilbert's disease in which case the direct bilirubin should be ≤3.0 mg/dL, and AST and ALT ≤5x ULN.

Inclusion criteria as written on the registry, trimmed. The full list, with exclusions, is on the live record.