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A Dose-escalation Study to Evaluate the Safety and Clinical Activity of PBCAR269A, With or Without Nirogacestat, in Study Participants With Relapsed/Refractory Multiple Myeloma

Relapsed/Refractory Multiple Myeloma Clinical Trial

Official title:
A Phase 1/2a, Open-label, Dose-escalation, Dose-expansion Study to Evaluate the Safety and Clinical Activity of PBCAR269A, With or Without Nirogacestat, in Study Participants With Relapsed/Refractory Multiple Myeloma

Clinical Trial Summary

This is a Phase 1/2a, nonrandomized, open-label, parallel assignment, single-dose, dose-escalation, and dose-expansion study to evaluate the safety and clinical activity of PBCAR269A, with or without nirogacestat, in adults with r/r MM. Study subjects in Cohort A will receive PBCAR269A and study subjects in Cohort B will receive PBCAR269A and nirogacestat. At each dose level, study subjects in Cohort A and Cohort B will receive the same dose of PBCAR269A. In Cohort B, all study subjects will follow the same dosing regimen of nirogacestat. This study was terminated prior to beginning of Phase II due to lack of sufficient therapeutic effect

Clinical Trial Description

This is a multicenter, nonrandomized, open-label, parallel assignment, single-dose, dose-escalation, and dose-expansion study to evaluate the safety and clinical activity of PBCAR269A, with or without nirogacestat, in adults with r/r MM. Before initiating the study treatment PBCAR269A, all study participants will be administered lymphodepletion chemotherapy. The initial lymphodepletion chemotherapy regimen will be composed of fludarabine and cyclophosphamide during the Screening Period. Study subjects in Cohort B will also receive nirogacestat. On Day 0 of the Treatment Period, study participants will receive a single intravenous (IV) infusion of PBCAR269A. All subjects are monitored during the treatment period through Day 28. All subjects who receive a dose of PBCAR269A, with or without nirogacestat, will be followed in a separate long-term follow-up (LTFU) study for 15 years after exiting this study. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04171843
Study type Interventional
Source Precision BioSciences, Inc.
Contact
Status Terminated
Phase Phase 1
Start date April 30, 2020
Completion date October 19, 2022
View Details
See also
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