The purpose of the study is to identify the safe dose(s) of a PD-1 inhibitor in combination with talquetamab or teclistamab, and to characterize the safety and tolerability of talquetamab or teclistamab when administered in combination with a PD-1 inhibitor.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
74
Talquetamab will be administered as a subcutaneous (SC) injection.
Teclistamab will be administered as a SC injection.
The PD-1 inhibitor will be administered as an intravenous injection.
Colorado Blood Cancer Institute
Denver, Colorado, United States
The Blavatnik Family Chelsea Medical Center at Mount Sinai
New York, New York, United States
Number of Participants with Adverse Events (AEs)
An AE is any untoward medical occurrence in a participant participating in a clinical study that does not necessarily have a causal relationship with the pharmaceutical/biological agent under study.
Time frame: Up to 2 years 5 months
Number of Participants with Adverse Events (AEs) by Severity
An AE is any untoward medical occurrence in a participant participating in a clinical study that does not necessarily have a causal relationship with the pharmaceutical/biological agent under study. Severity will be graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0. Severity scale ranges from Grade 1 (Mild) to Grade 5 (Death). Grade 1= Mild, Grade 2= Moderate, Grade 3= Severe, Grade 4= Life-threatening, and Grade 5= Death related to adverse event.
Time frame: Up to 2 years 5 months
Number of Participants with Abnormalities in Clinical Laboratory Assessments
Number of participants with abnormalities in clinical laboratory assessments (serum chemistry and hematology) will be reported.
Time frame: Up to 2 years 5 months
Number of Participants with Dose-Limiting Toxicity (DLTs)
The DLTs are specific adverse events and are defined as any of the following: high grade non-hematologic toxicity, or hematologic toxicity.
Time frame: Up to 2 years 5 months
Overall Response Rate (ORR)
ORR is defined as the percentage of participants who achieve partial response (PR) or better according to the International Myeloma Working Group (IMWG) 2016 criteria.
Time frame: Up to 2 years 5 months
Very Good Partial Response (VGPR) or Better Response Rate
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Icahn School of Medicine at Mount Sinai
New York, New York, United States
Memorial Sloan Kettering Cancer Center
New York, New York, United States
Wake Forest Baptist Medical Center
Winston-Salem, North Carolina, United States
Sarah Cannon Research Institute
Nashville, Tennessee, United States
Vanderbilt Ingram Cancer Center
Nashville, Tennessee, United States
CHU de Montpellier Hopital Saint Eloi
Montpellier, France
CHU de Nantes hotel Dieu
Nantes, France
CHU Poitiers - Hopital la Miletrie
Poitiers, France
...and 9 more locations
VGPR or better response rate is defined as the percentage of participants who achieve a VGPR or better response (stringent complete response \[sCR\]+ complete response \[CR\]+VGPR) according to the IMWG 2016 criteria.
Time frame: Up to 2 years 5 months
Complete Response (CR) or Better Response Rate
CR or better response rate is defined as the percentage of participants who achieve a CR or better response (sCR+CR) according to the IMWG 2016 criteria.
Time frame: Up to 2 years 5 months
Stringent Complete Response (sCR) Rate
sCR rate is defined as the percentage of participants who achieve an sCR according to the IMWG 2016 criteria.
Time frame: Up to 2 years 5 months
Duration of Response
Duration of response is defined as time from date of initial documentation of a response (PR or better) to date of first documented evidence of progressive disease (PD), per IMWG 2016 criteria or death due to any cause, whichever occurs first.
Time frame: Up to 2 years 5 months
Time to Response
Time to response is defined as the time between date of first dose of study treatment and the first efficacy evaluation at which the participant has met all criteria for PR or better.
Time frame: Up to 2 years 5 months
Serum Concentrations of Talquetamab
Serum samples will be analyzed to determine concentrations of Talquetamab using validated, specific, and sensitive immunoassay methods.
Time frame: Up to 2 years 5 months
Serum Concentrations of Teclistamab
Serum samples will be analyzed to determine concentrations of Teclistamab using validated, specific, and sensitive immunoassay methods.
Time frame: Up to 2 years 5 months
Serum Concentrations of PD-1 Inhibitor
Serum samples will be analyzed to determine concentrations of PD-1 inhibitor using validated, specific, and sensitive immunoassay methods.
Time frame: Up to 2 years 5 months
Number of Participants with Anti-Talquetamab Antibodies
Number of participants with anti-talquetamab antibodies will be reported.
Time frame: Up to 2 years 5 months
Number of Participants with Anti-Teclistamab Antibodies
Number of participants with anti-teclistamab antibodies will be reported.
Time frame: Up to 2 years 5 months
Number of Participants with Anti-PD-1 Inhibitor Antibodies
Number of participants with anti-PD-1 inhibitor antibodies will be reported.
Time frame: Up to 2 years 5 months