Relapsed/Refractory Multiple Myeloma
Conditions
Brief summary
The purpose of the UNIVERSAL study is to assess the safety, efficacy, cell kinetics, and immunogenicity of ALLO-715 with or without Nirogacestat in adults with relapsed or refractory multiple myeloma after a lymphodepletion regimen of ALLO-647 in combination with fludarabine and/or cyclophosphamide, or ALLO-647 alone.
Interventions
ALLO-715 is an allogeneic CAR T cell therapy targeting BCMA
ALLO-647 is a monoclonal antibody that recognizes a CD52 antigen
Chemotherapy for lymphodepletion
Chemotherapy for lymphodepletion
a small molecule, selective, reversible, noncompetitive inhibitor of γsecretase (GSI) that increases BCMA target density on the surface of multiple myeloma cells.
Sponsors
Study design
Eligibility
Inclusion criteria
* Documented diagnosis of relapsed/refractory multiple myeloma (MM) with measurable disease (serum, urine, or free light chain \[FLC\]) per International Myeloma Working Group (IMWG) criteria * At least 3 prior lines of MM therapy, including a proteasome inhibitor, immunomodulatory agent, and anti-CD38 antibody (unless contraindicated), and refractory to the last treatment line. * Eastern Cooperative Oncology Group (ECOG) 0 or 1 * Absence of donor (product)-specific anti-HLA antibodies * Adequate hematologic, renal, hepatic, pulmonary, and cardiac function
Exclusion criteria
* Current or history of Central Nervous System (CNS) involvement of myeloma or plasma cell leukemia * Clinically significant CNS disorder * Current or history of thyroid disorder * Autologous stem cell transplant within the last 6 weeks, or any allogeneic stem cell transplant * Prior treatment with anti-BCMA therapy, any gene therapy, any genetically modified cell therapy, or adoptive T cell therapy * History of HIV infection or acute or chronic active hepatitis B or C infection * Patients unwilling to participate in an extended safety monitoring period Additional
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Proportion of subjects experiencing Dose Limiting Toxicities at increasing doses of ALLO-715 | 28 Days | Dose limiting toxicities are defined as ALLO-715-related adverse events with onset within 28 days following infusion of ALLO-715. |
| To assess the overall safety profile and tolerability of ALLO-647 in combination with Fludarabine and/or cyclophosphamide or ALLO-647 alone, prior to ALLO-715 to confirm the dose of ALLO-647. | 33 days | The proportion of subjects in a dose cohort with DLTs of ALLO-647 |
| To assess the overall safety profile and tolerability of nirogacestat given concomitantly with ALLO-715 following lymphodepletion with Flu/ Cy/ ALLO-647. | 28 days | Dose limiting toxicities are defined as ALLO-715-related adverse events with onset within 28 days following infusion of ALLO-715. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Pharmacokinetics of ALLO-647 | up to 60 months | Serum concentration levels of ALLO-647 |
| Pharmacokinetics of nirogacestat | up to 60 months | Serum concentration levels of nirogacestat |
| Incidence of immunogenicity against ALLO-715 and ALLO-647 | up to 60 months | detection and levels of anti-drug antibodies |
| Cellular kinetics of ALLO-715 | up to 60 months | Levels of anti-BCMA CAR T cells in blood |
| Anti-tumor activity of ALLO-715 | up to 60 months | overall response rate |
| To evaluate the expression of BCMA in bone marrow plasma cells with and without nirogacestat | up to 60 months | Overall response rate of ALLO-715 with and without Nirogacestat |
| Immune monitoring after lymphodepletion regimen | up to 60 months | Detection of the following circulating cells: T cell subset, B lymphocytes, and NK cells |
| antitumor activity of ALLO-715 in combination with nirogacestat | up to 60 months | overall -response rate (ORR) |
| Cellular kinetics of ALLO-715 in combination with nirogacestat | up to 60 months | Levels of anti-BCMA CAR T cells in blood |
Countries
United States