The purpose of this study to determine if the addition of daratumumab to bortezomib + lenalidomide + dexamethasone (VRd) will improve overall minimal residual disease (MRD) negativity rate compared with VRd alone.
This study will evaluate participants with newly diagnosed multiple myeloma (MM) for whom hematopoietic stem cell transplant is not planned as initial therapy. The data available from other available studies suggests that addition of daratumumab with Velcade (bortezomib), lenalidomide, and dexamethasone \[VRd\] is anticipated to improve the response rates and the depth of response and may lead to improved long-term outcomes in newly diagnosed participants with MM. Daratumumab targets CD38, a protein expressed on the surface of MM cells and other hematopoietic cells. Bortezomib is a proteasome inhibitor, which plays a critical role in the pathogenesis of MM. Lenalidomide has cytotoxic effects on myeloma cells and is capable of inducing apoptosis, or programmed cell death and dexamethasone induces apoptosis in MM cells. The rationale for the study is to utilize the subcutaneous (SC) formulation of daratumumab instead of the intravenous (IV) formulation, which is expected to provide similar exposure and is expected to limit additional toxicity to participants, treated with this quadruplet regimen. The study will consist of 3 phases: Screening (up to 28 days before randomization), Treatment phase (from Cycle 1 \[21 days\] Day 1 and continues until disease progression) and Follow up (Postintervention). Efficacy evaluations will include measurements of tumor burden/residual disease, myeloma proteins, bone marrow examinations, skeletal surveys, extramedullary plasmacytomas, and serum calcium corrected for albumin. Participants will undergo procedures like electrocardiogram (ECG), chest x-rays or full dose chest CT scans, Pulmonary function test (PFT), spirometry etc. during the course of study. Participants will also be monitored closely for adverse events (AEs), laboratory abnormalities, and clinical response. The duration of the study will be approximately 6.5 years.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
395
Daratumumab (1800 mg) will be administered by SC injection once every week for Cycles 1 to 2, then every 3 weeks for Cycles 3-8. For Cycle 9 and beyond, participants will receive daratumumab 1800 mg SC once every 4 weeks until documented disease progression or unacceptable toxicity.
Bortezomib 1.3 mg/m\^2 will be administered by SC injection twice weekly on Days 1, 4, 8, and 11 of each 21-day cycle for Cycles 1-8.
Lenalidomide will be self-administered at a dose of 25 mg orally on Day 1 to Day 14 for Cycles 1 through 8 and on Days 1 to 21 for Cycle 9 and beyond until disease progression or unacceptable toxicity whichever occurs first.
Dexamethasone will be self-administered orally, 20 mg on Days 1, 2, 4, 5, 8, 9, 11, 12 of each 21-day cycle for Cycles 1-8. During Cycle 9 and beyond dexamethasone, will be self-administered orally at a total dose of 40 mg on Days 1, 8, 15, 22 of each 28-day cycle.
Innovative Clinical Research Inc
Cerritos, California, United States
Baptist MD Anderson
Jacksonville, Florida, United States
Fort Wayne Medical Oncology and Hematology, Inc.
Fort Wayne, Indiana, United States
Norton Healthcare
Louisville, Kentucky, United States
Tufts Medical Center
Boston, Massachusetts, United States
Primary Analysis: Overall Minimal Residual Disease (MRD) Negative Rate
Overall MRD negativity rate was defined as the percentage of participants who achieved complete response (CR) or better response and had MRD negative status (at 10\^5) by bone marrow biopsy or aspirate after randomization but prior to progressive disease (PD), subsequent anti-myeloma therapy, or both. CR or better rate was defined as the percentage of participants achieving CR or stringent complete response (sCR) prior to subsequent anti-myeloma therapy in accordance with the International Myeloma Working Group (IMWG) criteria during or after the study treatment. CR was defined as negative immunofixation on the serum and urine, and disappearance of any soft tissue plasmacytomas, and less than (\<) 5 percent (%) plasma cells (PCs) in bone marrow. sCR was defined as CR plus normal free light chain (FLC) ratio, and absence of clonal PCs by immunohistochemistry, immunofluorescence or 2- to 4-color flow cytometry.
Time frame: From randomization (Day 1) up to 27.9 months
Final Progression-Free Survival (PFS) Analysis : Overall Minimal Residual Disease (MRD) Negative Rate
Overall MRD negativity rate was defined as the percentage of participants who achieved CR or better response and had MRD negative status (at 10\^5) by bone marrow biopsy or aspirate after randomization but prior to PD, subsequent anti-myeloma therapy, or both. CR or better rate was defined as the percentage of participants achieving CR or sCR prior to subsequent anti-myeloma therapy in accordance with the IMWG criteria during or after the study treatment. CR was defined as negative immunofixation on the serum and urine, and disappearance of any soft tissue plasmacytomas, and \< 5 % PCs in bone marrow. sCR was defined as CR plus normal FLC ratio, and absence of clonal PCs by immunohistochemistry, immunofluorescence or 2- to 4-color flow cytometry.
Time frame: From randomization (Day 1) up to 64.8 months
Complete Response (CR) or Better Rate
Time frame: From randomization (Day 1) up to 64.8 months
Progression-Free Survival (PFS)
Time frame: From randomization (Day 1) up to 64.8 months
MRD Negativity Rate at 1 Year
Time frame: At 1 Year
Overall Response Rate (ORR)
Time frame: From randomization (Day 1) up to 64.8 months
Durable MRD Negative Rate
Time frame: From randomization (Day 1) up to 64.8 months
Very Good Partial Response (VGPR) or Better Rate
Time frame: From randomization (Day 1) up to 64.8 months
Duration of Response (DOR)
Time frame: From randomization (Day 1) up to 64.8 months
Time to Response
Time frame: From randomization (Day 1) up to 64.8 months
PFS on the Next Line of Therapy
Time frame: From randomization (Day 1) up to 64.8 months
Overall Survival (OS)
Time frame: From screening (-28 Days) up to 64.8 months
Overall MRD Negativity Rate in High-risk Molecular Subgroups
Time frame: From randomization (Day 1) up to 64.8 months
PFS in High-risk Molecular Subgroups
Time frame: From randomization (Day 1) up to 64.8 months
Maximum Observed Serum Concentration (Cmax) of Daratumumab
Time frame: Predose on Day 1 and post dose on Day 4 of Cycles 1, 3 (each cycle consisted of 21 days); Predose on Day 1 of Cycles 9 and 12 (each cycle consisted of 28 days); Post treatment Week 8
Minimum Observed Serum Concentration (Cmin) of Daratumumab
Time frame: Predose on Day 1 and post dose on Day 4 of Cycles 1 and 3 (each cycle consisted of 21 days); Predose on Day 1 of Cycles 9 and 12 (each cycle consisted of 28 days); Post treatment Week 8
Number of Participants With Anti-daratumumab Antibodies
Time frame: Predose on Day 1 of Cycles 1, 9, and 12 (Cycle 1 consisted of 21 days, Cycles 9 and 12 consisted of 28 days); and Post-Treatment Week 8
Number of Participants With Anti-recombinant Human Hyaluronidase PH20 (Anti-rHuPH20) Antibodies
Time frame: Predose on Day 1 of Cycles 1, 9, and 12 (Cycle 1 consisted of 21 days, Cycles 9 and 12 consisted of 28 days); and Post-Treatment Week 8
Mean Change From Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core-30 Item (EORTC QLQ-C30)
Time frame: From screening (-28 Days) up to 64.8 months
Mean Change From Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Multiple Myeloma 20-item (EORTC QLQ-MY20)
Time frame: From screening (-28 Days) up to 64.8 months
Mean Change From Baseline in EuroQol Five Dimension Five Level Questionnaire (EQ-5D-5L)
Time frame: From screening (-28 Days) up to 64.8 months
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