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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05336383
Other study ID # 2021-1139
Secondary ID NCI-2022-03304
Status Recruiting
Phase Phase 2
First received
Last updated
Start date May 31, 2022
Est. completion date December 7, 2024

Study information

Verified date May 2024
Source M.D. Anderson Cancer Center
Contact Penny Fang, MD
Phone (832) 260-1389
Email pfang@mdanderson.org
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is a Phase II study to determine the preliminary safety and efficacy of salvage radiation treatment after BCMA CAR-T therapy in subjects with RRMM. The study population will consist of subjects with RRMM previously treated with SOC BCMA CAR-T cell therapy with active disease on the D30+ PET or other imaging scan after CAR-T infusion. Patients who are planned for salvage chemotherapy less than 14 days after completion of radiation treatment will be excluded. Radiation treatment will be to bony or soft tissue plasmacytomas in up to five radiation treatment fields to 10-20Gy (or equivalent dose in 2Gy fractions of 10-21Gy). Final dose, target, and technique are per treating radiation physician discretion within these guidelines. Thirty patients will be enrolled. The co-primary endpoints are objective response rate (ORR) at 6 months and duration of response (DOR) among responders.


Description:

Objectives Primary Objective: • The primary objective of the study is to evaluate the preliminary efficacy of salvage radiation therapy after BCMA CAR-T cell therapy in subjects with RRMM. Secondary Objectives: • Evaluate the safety of and other efficacy parameters of radiation treatment after BCMA CAR-T cell therapy in subjects with RRMM Exploratory Objectives: - Evaluate the immunophenotype and/or expression profile, and perform functional bulk and single cell analysis of CAR T cells, endogenous T cells as well as other immune cells in the blood, bone marrow and/or tumor tissue with BCMA CAR-T therapy and RT - Evaluate changes in the levels of cytokines, chemokines, and soluble factors in the blood with BCMA CAR-T therapy and RT - Evaluate changes in T cell receptor repertoire with BCMA CAR-T therapy and RT - Evaluate gut microbiome of patients treated with BCMA CAR-T therapy and RT


Recruitment information / eligibility

Status Recruiting
Enrollment 30
Est. completion date December 7, 2024
Est. primary completion date December 7, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion criteria: Subjects must satisfy the following criteria to be enrolled in the study: 1. Subject is = 18 years of age at the time of signing the informed consent form (ICF) 2. Subject is diagnosed with multiple myeloma 3. Subject previously received treatment with standard of care BCMA CAR-T cell therapy 4. Day 30 or later PET scan or other imaging scan after CAR-T infusion shows active disease 5. Subject has at least one myeloma lesion (plasmacytoma either in bone or soft tissue) that can be treated with radiation 6. Able to provide informed consent Exclusion Criteria: The presence of any of the following will exclude a subject from enrollment: 1. Subjects in whom salvage chemotherapy is planned less than 14 days after the completion of radiation treatment 2. Subject is undergoing active treatment for another malignancy other than multiple myeloma 3. Pregnant women will be excluded from this study.

Study Design


Intervention

Drug:
Radiation Therapy
Given by Infusion

Locations

Country Name City State
United States M D Anderson Cancer Center Houston Texas

Sponsors (1)

Lead Sponsor Collaborator
M.D. Anderson Cancer Center

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Overall response rate (ORR) Percentage of subjects who achieved partial response (PR) or better according to IMWG Uniform Response Criteria for Multiple Myeloma (Kumar, 2016) through study completion, an average of 1 year
Primary Duration of response (DoR) among responders Time from first documentation of response (PR or greater) to first documentation of progressive disease (PD) or death from any cause, whichever occurs first through study completion, an average of 1 year
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