Multiple myeloma (MM), a plasma cell disorder, is the second most common hematologic malignancy in the U.S. No standard curative therapy has yet been found. A variety of therapeutic measures including high dose melphalan, induction therapy, and continuous therapy have been used but the goal of complete response without relapse has not been achieved. More active treatment regimens and better tools for response assessment are needed.
This trial will assess the safety and efficacy of an induction therapy using the combination of dexamethasone, lenalidomide (revlimid), daratumumab (Darzalex) and carfilzomib (Kyprolis) to treat patients with newly diagnosed multiple myeloma. The therapy with KRdD (Kyprolis, Revlimid, dexamethasone, Darzalex) will be followed by autologous hematopoietic cell transplantation (auto-HCT) and KRdD consolidation. Duration of therapy will be guided by eradication of minimal residual disease (MRD). The hypothesis is that the KRdD therapy particularly in combination with the auto-HCT will be safe and lead to deep remission. Patients who become MRD- will discontinue therapy (no maintenance therapy) and be actively monitored for resurgence of MRD or clinical relapse.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
123
Dosages of each drug will vary depending on therapy type and cycle number. KRdD therapy will be followed by autologous hematopoietic cell transplantation and KRdD consolidation.
Dosages of each drug will vary depending on therapy type and cycle number. KRdD therapy will not be followed by autologous hematopoietic cell transplantation but will proceed with KRdD consolidation.
University of Alabama at Birmingham
Birmingham, Alabama, United States
Oregon Health and Science University
Portland, Oregon, United States
Vanderbilt Ingram Cancer Center
Nashville, Tennessee, United States
University of Wisconsin, school of medicine and public health
Madison, Wisconsin, United States
Percentage of Patients With MRD(-) Remissions at the Completion of Consolidation Therapy
The primary endpoint of MRD(-) rate, or percentage of patients with MRD(-) remissions, will be estimated along with two-sided 95% confidence interval using Clopper-Pearson exact method. Simon's optimal two-stage design will be utilized in determining the rate of MRD(-) cases. MRD assessment will be done with ClonoSEQ to identify myeloma-specific sequences.
Time frame: Baseline until MRD(-) is reached estimated to be up to 15 months.
Serious Adverse Events (SAEs) From the KRdD Treatment
The Common Terminology Criteria for Adverse Events (CTCAE) version 4.0 will be used for this assessment. SAEs include events that are Grade 3 and above; non-serious events are Grades 1-2.
Time frame: Baseline until the progression of disease or MRD(-) status up to an estimated 15 months.
Percentage of Patients With MRD(-) Status at the Completion of Induction Therapy
The primary endpoint of MRD(-) rate will be estimated along with two-sided 95% confidence interval using Clopper-Pearson exact method. Simon's optimal two-stage design will be utilized in determining the rate of MRD(-) cases. MRD assessment will be done with ClonoSEQ to identify myeloma-specific sequences.
Time frame: Baseline until MRD(-) status estimated at 6 months or until disease progression
Percentage of Patients With Auto-HCT That Convert From Positive to Negative MRD
The primary endpoint of MRD(-) rate will be estimated along with two-sided 95% confidence interval using Clopper-Pearson exact method. Simon's optimal two-stage design will be utilized in determining the rate of MRD(-) cases. MRD assessment will be done with ClonoSEQ to identify myeloma-specific sequences.
Time frame: From baseline up to an estimated 9 months
Percentage of Patients Achieving Complete Remission Following Complete Therapy
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The primary endpoint of MRD(-) rate will be estimated along with two-sided 95% confidence interval using Clopper-Pearson exact method. Simon's optimal two-stage design will be utilized in determining the rate of MRD(-) cases. MRD assessment will be done with ClonoSEQ to identify myeloma-specific sequences. Complete therapy incorporates induction and consolidation therapy.
Time frame: Baseline up to 15 months
Percentage of Patients That Convert From MRD(-) to MRD(+) Following Treatment Discontinuation
The primary endpoint of MRD(-) rate will be estimated along with two-sided 95% confidence interval using Clopper-Pearson exact method. Simon's optimal two-stage design will be utilized in determining the rate of MRD(-) cases. MRD assessment will be done with ClonoSEQ to identify myeloma-specific sequences.
Time frame: Baseline to 2 years
Progression-free Survival
Progression-free survival is defined as the interval from the start of therapy to the earliest occurrence of the following: disease progression, initiation of anti-myeloma therapy that is not an accepted maintenance therapy of lenalidomide or death from any cause. Kaplan-Meier methods will used.
Time frame: From date of study entry until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 58 months.
Overall Survival
Overall survival is defined as the time from date of study enrollment until death from any cause.
Time frame: From date of study entry until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 58 months.