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NCT03941860 · REGISTRY CONDITION SEARCH

Testing the Addition of Ixazomib/Placebo to Lenalidomide in Patients With Evidence of Residual Multiple Myeloma, OPTIMUM Trial

Found through the registry condition index, not selected as a treatment recommendation. This discovery collection was restricted to studies with posted results.

Phase
PHASE3
Status at capture
COMPLETED
Registry last update
2025-05-23

This phase III trial studies how well lenalidomide in combination with ixazomib works compared to lenalidomide alone in treating patients with evidence of residual multiple myeloma after stem cell transplantation. Lenalidomide may help shrink or slow the growth of multiple myeloma. Ixazomib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Giving lenalidomide and ixazomib together may work better than giving lenalidomide alone in treating patients with evidence of residual multiple myeloma after a stem cell transplantation.

Open the original ClinicalTrials.gov record → · Download preserved record

What did the study report?

Outcomes, safety and baseline populations are separate source sections. Quality-of-life measures appear under their original outcome titles.

flow

Participant flow

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baseline

Baseline characteristics

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outcome · POSTED

Overall Survival (OS)

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outcome · POSTED

Progression-free Survival (PFS)

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outcome · POSTED

Best Response on Treatment

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outcome · NOT POSTED

Cumulative Dose

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outcome · NOT POSTED

Relative Dose Intensity

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outcome · NOT POSTED

Dose Intensity

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outcome · NOT POSTED

Treatment Duration

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outcome · NOT POSTED

Duration of Response

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outcome · NOT POSTED

Time to Progression

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outcome · NOT POSTED

To Determine the Extent and Timing of Neuropathy Associated With the Addition of Ixazomib to Lenalidomide Maintenance on Patient Reported Health-related Quality of Life (QOL) Outcomes.

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outcome · NOT POSTED

To Assess the Impact and Timing of Disease Control With the Addition of Ixazomib to Lenalidomide Maintenance on Patient Reported Healthrelated Quality of Life Outcomes

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outcome · NOT POSTED

Presence, Frequency, Interference, Amount, and/or Severity of Select Patient Reported Outcomes - Common Terminology Criteria for Adverse Events (PRO-CTCAE)

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outcome · NOT POSTED

Adherence Starts With Knowledge (ASK)-12 Scores

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outcome · NOT POSTED

To Assess Correlation Among Patient Reported Outcome Measures and Association With Clinical Outcomes.

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outcome · NOT POSTED

PRO Compliance Rate

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outcome · NOT POSTED

PRO Completion Rate

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outcome · NOT POSTED

To Evaluate the Association Between Baseline 18F-FDG PET/CT and Patient Outcomes.

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outcome · NOT POSTED

To Compare the Change in Quantitative 18F-FDG PET/CT Parameters Over Time With the Addition of Ixazomib to Lenalidomide

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outcome · NOT POSTED

To Compare Overall Survival (OS) With the Addition of Ixazomib to Lenalidomide Among Baseline 18F-FDG PET/CT-positive and 18F-FDG PET/CT-negative Subgroups.

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outcome · NOT POSTED

Incidence of Adverse Events

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adverse events

Adverse events

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more info

Limitations, agreements, and source contact

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Who could take part
eligibility Criteria
Inclusion Criteria: * STEP 0: PRE-REGISTRATION * Patient must be \>= 18 years of age * Patient must be previously diagnosed with multiple myeloma (MM) and be on lenalidomide maintenance with \>= 5mg daily for at least 6 months and no more than 18 months after an early autologous stem cell transplantation (SCT =\< 12 months of diagnosis). Patient must not be off lenalidomide maintenance therapy for more than 30 days prior to start of treatment on Step 1 of this protocol * Patient must be able to undergo a diagnostic bone marrow aspirate following pre-registration to Step 0 * NOTE: A bone marrow aspirate specimen must be submitted to Mayo Clinic Hematology Laboratory for central assessment of minimal residual disease (MRD) status to confirm patient's eligibility for Step 1 randomization. Mayo Clinic will forward results to the submitting institution within three (3) business days of receipt of the bone marrow specimen * Patient must have an Eastern Cooperative Oncology Group (ECOG) performance status 0, 1, or 2 * Patient must have been able to maintain at least 5mg daily dose of lenalidomide without growth factor support * Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial * STEP 1 RANDOMIZATION * Patient must meet Step 0 eligibility criteria at the time of Step 1 randomization * Patients must have evidence of residual disease by central MRD testing or by presence of monoclonal protein in serum or urine * Patient must have serum protein electrophoresis (SPEP), urine protein electrophoresis (UPEP), and serum free light chain (FLC) performed =\< 28 days prior to randomization * NOTE: UPEP (on a 24-hour collection) is required, no substitute method is acceptable. Urine must be followed monthly if the baseline urine M-spike is \>= 200 mg/24 hour (hr). Please note that if both serum and urine M-components are present, both must be followed in order to evaluate response * Hemoglobin \>= 8 g/dL (obtained =\< 14 days prior to randomization) * Untransfused platelet count \>= 75,000 cells/mm\^3 (obtained =\< 14 days prior to randomization) * Absolute neutrophil count (ANC) \>= 1000 cells/mm\^3 (obtained =\< 14 days prior to randomization) * Calculated creatinine clearance \>= 30 mL/min (obtained =\< 14 days prior to randomization) * Total bilirubin =\< 1.5 times the upper limit of normal (ULN) (obtained =\< 14 days prior to randomization) * Serum glutamate pyruvate transaminase (SGPT) (alanine aminotransferase \[ALT\]) and serum glutamic oxaloacetic transaminase (SGOT) (aspartate aminotransferase \[AST\]) =\< 3 times the upper limit of normal (ULN) (obtained =\< 14 days prior to randomization) * Patient must agree to register into the mandatory Revlimid Risk Evaluation and Mitigation Strategies (REMS) registered trademark program and be willing and able to comply with the requirements of Revlimid REMS registered trademark * Patients of childbearing potential must either abstain from sexual intercourse for the duration of their participation in the study or agree to use TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME for 1) at least 28 days before starting study treatment; 2) while participating in the study; 3) during dose interruptions; and 4) for at least 90 days after the last dose of protocol treatment. Patients must also agree to not breastfeed during this same time period. Men must agree to either abstain from sexual intercourse for the duration of their participation in the study or use a latex condom during sexual contact with a partner of childbearing potential while participating in the study and for 90 days after the last dose of protocol treatment even if they have had a successful vasectomy. Patients must also agree to abstain from donating sperm while on study treatment and for 28 days after the last dose of protocol treatment even if they have had a successful vasectomy. All patients must agree to abstain from donating blood during study participation and for at least 28 days after the last dose of protocol treatment Exclusion Criteria: * Patient must not have primary refractory or progressive disease on a proteasome inhibitor-based regimen during induction therapy prior to stem cell transplant * Patient must not be on other concurrent chemotherapy, or any ancillary therapy considered investigational * NOTE: Bisphosphonates are considered to be supportive care rather than therapy and are allowed while on protocol treatment * Patient must not have uncontrolled psychiatric illness or social situations that would limit compliance with study requirements * Patient must not have another malignancy requiring treatment or have received treatment within two years before pre-registration or previously diagnosed with another malignancy and have any evidence of residual disease. Patients with non-melanoma skin cancer or carcinoma in situ of any type are not excluded if they have undergone complete resection * Patients must not have known gastrointestinal (GI) disease or GI procedure that could interfere with the oral absorption or tolerance of ixazomib or lenalidomide including difficulty swallowing * Patient must not have known hepatitis B surface antigen-positive status or known or suspected active hepatitis C infection, but testing specifically for the trial is not required * Patient must not be off lenalidomide maintenance therapy for more than 30 days prior to start of treatment on Step 1 of this protocol * Patients must not have grade 2 or higher peripheral neuropathy or grade 1 peripheral neuropathy with pain per Common Terminology Criteria for Adverse Events (CTCAE) * Patients must not have uncontrolled intercurrent illness * Patients must not have grade 2 or higher diarrhea per CTCAE in the absence of antidiarrheals * Patients must not have been on systemic treatment, within 14 days before the first dose of ixazomib, with strong CYP3A inducers (such as rifampin, rifapentine, rifabutin, carbamazepine, phenytoin, phenobarbital), or use of St. John's wort * Patient must not be pregnant due to potential harm to the fetus from ixazomib and lenalidomide. All patients of childbearing potential must have a blood test or urine study with a sensitivity of at least 25 mIU/mL within 10-14 days prior to the first dose of lenalidomide and again within 24 hours prior to the first dose of lenalidomide. Patients of childbearing potential must also agree to ongoing pregnancy testing while on treatment. A patient of childbearing potential is defined as anyone, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has achieved menarche at some point, 2) has not undergone a hysterectomy or bilateral oophorectomy, or 3) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)
healthy Volunteers
false
minimum Age
18 Years
sex
ALL
std Ages
  1. ADULT
  2. OLDER_ADULT
Treatment arms and interventions
arm Groups
  1. description
    Patients receive lenalidomide PO QD on days 1-28 and ixazomib citrate PO on days 1, 8, and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo bone marrow aspirate and/or biopsy and PET and CT scan at screening and on study as well as undergo collection of blood samples throughout the trial.
    intervention Names
    1. Procedure: Biospecimen Collection
    2. Procedure: Bone Marrow Aspirate
    3. Procedure: Bone Marrow Biopsy
    4. Procedure: Computed Tomography
    5. Drug: Ixazomib Citrate
    6. Drug: Lenalidomide
    7. Other: Quality-of-Life Assessment
    8. Other: Questionnaire Administration
    label
    Arm A (lenalidomide, ixazomib citrate)
    type
    EXPERIMENTAL
  2. description
    Patients receive lenalidomide PO QD on days 1-28 and a placebo PO on days 1, 8, and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo bone marrow aspirate and/or biopsy and PET and CT scan at screening and on study as well as undergo collection of blood samples throughout the trial.
    intervention Names
    1. Procedure: Biospecimen Collection
    2. Procedure: Bone Marrow Aspirate
    3. Procedure: Bone Marrow Biopsy
    4. Procedure: Computed Tomography
    5. Drug: Lenalidomide
    6. Other: Placebo Administration
    7. Procedure: Positron Emission Tomography
    8. Other: Quality-of-Life Assessment
    9. Other: Questionnaire Administration
    label
    Arm B (lenalidomide, placebo)
    type
    PLACEBO_COMPARATOR
interventions
  1. arm Group Labels
    1. Arm A (lenalidomide, ixazomib citrate)
    2. Arm B (lenalidomide, placebo)
    description
    Undergo collection of blood samples
    name
    Biospecimen Collection
    other Names
    1. Biological Sample Collection
    2. Biospecimen Collected
    3. Specimen Collection
    type
    PROCEDURE
  2. arm Group Labels
    1. Arm A (lenalidomide, ixazomib citrate)
    2. Arm B (lenalidomide, placebo)
    description
    Undergo bone marrow aspirate
    name
    Bone Marrow Aspirate
    other Names
    1. BONE MARROW, LIQUID
    2. Human Bone Marrow Aspirate
    type
    PROCEDURE
  3. arm Group Labels
    1. Arm A (lenalidomide, ixazomib citrate)
    2. Arm B (lenalidomide, placebo)
    description
    Undergo bone marrow biopsy
    name
    Bone Marrow Biopsy
    other Names
    1. Biopsy of Bone Marrow
    2. Biopsy, Bone Marrow
    type
    PROCEDURE
  4. arm Group Labels
    1. Arm A (lenalidomide, ixazomib citrate)
    2. Arm B (lenalidomide, placebo)
    description
    Undergo CT scan
    name
    Computed Tomography
    other Names
    1. CAT
    2. CAT Scan
    3. Computed Axial Tomography
    4. Computerized Axial Tomography
    5. Computerized axial tomography (procedure)
    6. Computerized Tomography
    7. Computerized Tomography (CT) scan
    8. CT
    9. CT Scan
    10. tomography
    type
    PROCEDURE
  5. arm Group Labels
    1. Arm A (lenalidomide, ixazomib citrate)
    description
    Given PO
    name
    Ixazomib Citrate
    other Names
    1. MLN 9708
    2. MLN-9708
    3. MLN9708
    4. Ninlaro
    type
    DRUG
  6. arm Group Labels
    1. Arm A (lenalidomide, ixazomib citrate)
    2. Arm B (lenalidomide, placebo)
    description
    Given PO
    name
    Lenalidomide
    other Names
    1. CC 5013
    2. CC-5013
    3. CC5013
    4. CDC 501
    5. Revlimid
    type
    DRUG
  7. arm Group Labels
    1. Arm B (lenalidomide, placebo)
    description
    Given PO
    name
    Placebo Administration
    type
    OTHER
  8. arm Group Labels
    1. Arm B (lenalidomide, placebo)
    description
    Undergo PET scan
    name
    Positron Emission Tomography
    other Names
    1. Medical Imaging, Positron Emission Tomography
    2. PET
    3. PET Scan
    4. Positron emission tomography (procedure)
    5. Positron Emission Tomography Scan
    6. Positron-Emission Tomography
    7. proton magnetic resonance spectroscopic imaging
    8. PT
    type
    PROCEDURE
  9. arm Group Labels
    1. Arm A (lenalidomide, ixazomib citrate)
    2. Arm B (lenalidomide, placebo)
    description
    Ancillary studies
    name
    Quality-of-Life Assessment
    other Names
    1. Quality of Life Assessment
    type
    OTHER
  10. arm Group Labels
    1. Arm A (lenalidomide, ixazomib citrate)
    2. Arm B (lenalidomide, placebo)
    description
    Ancillary studies
    name
    Questionnaire Administration
    type
    OTHER
Study design
allocation
RANDOMIZED
intervention Model
PARALLEL
masking Info
masking
DOUBLE
who Masked
  1. PARTICIPANT
  2. INVESTIGATOR
primary Purpose
TREATMENT
Enrollment
count
1
type
ACTUAL
Registered outcome plans (not posted results)
other Outcomes
  1. description
    Cumulative dose will be calculated as the sum of all doses taken across all cycles.
    measure
    Cumulative Dose
    time Frame
    End of treatment, up to 10 years
  2. description
    Relative dose intensity will be calculated as the dose intensity divided by planned dose intensity.
    measure
    Relative Dose Intensity
    time Frame
    End of treatment, up to 10 years
  3. description
    Will be calculated as cumulative dose received divided by treatment duration. Will be calculated overall and by cycle. Data will be summarized by treatment arm with descriptive statistics and graphically over time.
    measure
    Dose Intensity
    time Frame
    Up to 15 years
  4. description
    Treatment duration is defined as the time from randomization to date off treatment. Patients who are still on treatment will be censored at the date of last treatment.
    measure
    Treatment Duration
    time Frame
    End of treatment, up to 10 years
  5. description
    Duration of response is defined as the time from observed response (VGPR, CR or sCR) to the time of progression in the respective group of responders.
    measure
    Duration of Response
    time Frame
    Assessed every 3 months if patient is <2 years from randomization, every 6 months if patient is 2-5 years from randomization, annually if patient is 5 years or more from randomization.
  6. description
    Time to progression is defined as the time from randomization to progression. Patients without documented progression will be censored at date of last disease assessment. Progression is defined as one of the following criteria is met. * Increase of ≥ 25% from lowest value reported in serum M-component (the absolute increase must be ≥ 0.5 g/dL) and/or urine M-component (the absolute increase must be ≥ 200 mg/ 24 hours). * Only in patients without measurable serum and urine M protein levels: the difference between involved and uninvolved FLC levels. The absolute increase must be \> 10 mg/dL. * If the only measurable disease is bone marrow, bone marrow plasma cell percentage: the absolute % must be ≥ 10%. * Development of new bone lesions or soft tissue plasmacytomas or ≥ 50% increase from nadir in the size (SPD) of existing bone lesions or soft tissue plasmacytoma or ≥ 50% increase in the longest diameter of a previous lesion \> 1cm in short axis.
    measure
    Time to Progression
    time Frame
    Assessed every 3 months if patient is <2 years from randomization, every 6 months if patient is 2-5 years from randomization, annually if patient is 5 years or more from randomization.
  7. description
    Health-related QOL will be assessed with three instruments: 1) the FACT-General (G) functional well-being (FWB) and physical wellbeing (PWB) subscales. Each FACT-G subscale has 7 items. The 14 items are based on a 5-point Likert scale (0-4) resulting in a score ranging from 0 to 56 points with a higher score indicating better health-related QOL; 2) The FACT/GOG-Neurotoxicity Trial Outcomes Index (FACT/GOG-Ntx TOI) comprised of the FWB and PWB subscales plus the neurotoxicity subscale which has 11 items, summing to a score of 0-100; and 3) the FACT-Multiple Myeloma Trial Outcomes Index (FACT-MM TOI) comprised of the FWB and PWB subscales plus the multiple myeloma subscale which has 14 items, summing to a score of 0-112 for the instrument.
    measure
    To Determine the Extent and Timing of Neuropathy Associated With the Addition of Ixazomib to Lenalidomide Maintenance on Patient Reported Health-related Quality of Life (QOL) Outcomes.
    time Frame
    Assessed at baseline, end of every 3 cycles for the first 24 cycles, every 6 cycles thereafter up to completion of 48 cycles, and at treatment discontinuation prior to completing 48 cycles. During long-term follow-up, 4 quarterly assessments for 1 year.
  8. description
    Health-related QOL will be assessed with three instruments: 1) the FACT-General (G) functional well-being (FWB) and physical wellbeing (PWB) subscales. Each FACT-G subscale has 7 items. The 14 items are based on a 5-point Likert scale (0-4) resulting in a score ranging from 0 to 56 points with a higher score indicating better health-related QOL; 2) The FACT/GOG-Neurotoxicity Trial Outcomes Index (FACT/GOG-Ntx TOI) comprised of the FWB and PWB subscales plus the neurotoxicity subscale which has 11 items, summing to a score of 0-100; and 3) the FACT-Multiple Myeloma Trial Outcomes Index (FACT-MM TOI) comprised of the FWB and PWB subscales plus the multiple myeloma subscale which has 14 items, summing to a score of 0-112 for the instrument.
    measure
    To Assess the Impact and Timing of Disease Control With the Addition of Ixazomib to Lenalidomide Maintenance on Patient Reported Healthrelated Quality of Life Outcomes
    time Frame
    Assessed at baseline, end of every 3 cycles for the first 24 cycles, every 6 cycles thereafter up to completion of 48 cycles, and at treatment discontinuation prior to completing 48 cycles. During long-term follow-up, 4 quarterly assessments for 1 year.
  9. description
    NCI PRO-CTCAE items will be administered. There are 80 symptomatic AE terms included in the PRO-CTCAE library. Items correspond to 5 attributes measured \[frequency (F), severity (S), interference (I), presence/absence (P) and amount (A)\] based on multiple choice questions. Response for each attribute except P which is binary is on a 5-point Likert scale with 5 indicating 'almost constantly' frequency, 'very severe' severity, 'very much' amount or 'very much' interference. For each attribute, recall is the past 7 days. Attributes measured for each symptomatic AE varies and comprise the PRO-CTCAE item library. For this study, 23 symptomatic AEs summing to 38 items have been selected as presented below. There are 10 symptomatic AEs assessed using one item, 11 symptomatic AEs assessed using two items, and 6 symptomatic AEs assessed using three items. The types of items in order of prevalence include severity, interference, frequency, present/not present, and amount. T
    measure
    Presence, Frequency, Interference, Amount, and/or Severity of Select Patient Reported Outcomes - Common Terminology Criteria for Adverse Events (PRO-CTCAE)
    time Frame
    Assessed every cycle up to cycle 25
  10. description
    The Adherence Starts with Knowledge Scale (ASK-12) will be used to assess the likelihood that a patient is taking oral medications per protocol. The 12-item questionnaire was derived from the predecessor ASK-20 using a study population of 112 patients with asthma, congestive heart failure or diabetes. In this study, the ASK12 had good internal consistency, and test-retest reliability. The ASK-12 which elicits the same type of information as the Morisky Medication Adherence Scale (MMAS) also demonstrated convergent validity through strong correlation with MMAS-4 (Spearman correlation r = 0.74; p \< 0.001). The ASK-12 titled 'Taking Medicine What Gets in the Way?' is segmented into 3 sections: inconvenience/forgetfulness (3 items), treatment beliefs (4 items) and behavior (5 items). Response for each item is on a 5-point Likert scale (1-5) with the total score ranging from 12-60 and a higher score representing less likelihood of medication adherence.
    measure
    Adherence Starts With Knowledge (ASK)-12 Scores
    time Frame
    Assessed at cycles 7, 13, 19, 25, 31, 37, 43 and 49
  11. description
    The association between patient reported outcome measures and clinical outcomes will be evaluated.
    measure
    To Assess Correlation Among Patient Reported Outcome Measures and Association With Clinical Outcomes.
    time Frame
    Assessed every 3 months if patient is <2 years from randomization, every 6 months if patient is 2-5 years from randomization, annually if patient is 5 years or more from randomization.
  12. description
    PRO compliance rate is defined as the proportion of patients who submit the given PRO instrument among those eligible at each time point which excludes those missing by design (due to death or disease progression, early treatment discontinuation).
    measure
    PRO Compliance Rate
    time Frame
    At 10 years
primary Outcomes
  1. description
    Overall survival is defined as time from randomization to death or date last known alive.
    measure
    Overall Survival (OS)
    time Frame
    Assessed every 3 months if patient is <2 years from randomization, every 6 months if patient is 2-5 years from randomization, annually if patient is 5 years or more from randomization.
secondary Outcomes
  1. description
    Progression-free survival defined as the time from randomization until the earlier of progression or death due to any cause, or censored at date of last disease evaluation. Progression is defined as one of the following criteria is met. * Increase of ≥ 25% from lowest value reported in serum M-component (the absolute increase must be ≥ 0.5 g/dL) and/or urine M-component (the absolute increase must be ≥ 200 mg/ 24 hours). * Only in patients without measurable serum and urine M protein levels: the difference between involved and uninvolved FLC levels. The absolute increase must be \> 10 mg/dL. * If the only measurable disease is bone marrow, bone marrow plasma cell percentage: the absolute % must be ≥ 10%. * Development of new bone lesions or soft tissue plasmacytomas or ≥ 50% increase from nadir in the size (SPD) of existing bone lesions or soft tissue plasmacytoma or ≥ 50% increase in the longest diameter of a previous lesion \> 1cm in short axis.
    measure
    Progression-free Survival (PFS)
    time Frame
    Assessed every 3 months if patient is <2 years from randomization, every 6 months if patient is 2-5 years from randomization, annually if patient is 5 years or more from randomization.
  2. description
    Response is evaluated based on standard International Myeloma Working Group (IMWG) criteria and tabulated by category. Response (stringent complete response \[sCR\], complete response \[CR\], very good partial response \[VGPR\]) is defined as below. sCR: All CR criteria and the following have to be met. Normal serum FLC ratio at two consecutive times and absence of clonal cells in bone marrow by immunohistochemistry or 2- to 4- color flow cytometry. Presence/absence of clonal cells is based upon the κ/λ ratio. An abnormal κ/λ ratio by immunohistochemistry requires a minimum of 100 plasma cells for analysis. An abnormal ratio reflecting presence of an abnormal clone is κ/λ ratio of 4:1 or 1:2. CR: Complete disappearance of an Mprotein and no evidence of myeloma in the bone marrow. VGPR: Serum M-protein detectable by immunofixation but not quantifiable on electrophoresis and urine M-protein \< 100 mg/24 hours
    measure
    Best Response on Treatment
    time Frame
    Assessed every 3 months if patient is <2 years from randomization, every 6 months if patient is 2-5 years from randomization, annually if patient is 5 years or more from randomization.
Full study description
brief Summary
This phase III trial studies how well lenalidomide in combination with ixazomib works compared to lenalidomide alone in treating patients with evidence of residual multiple myeloma after stem cell transplantation. Lenalidomide may help shrink or slow the growth of multiple myeloma. Ixazomib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Giving lenalidomide and ixazomib together may work better than giving lenalidomide alone in treating patients with evidence of residual multiple myeloma after a stem cell transplantation.
detailed Description
PRIMARY OBJECTIVE: I. To evaluate whether escalating maintenance therapy with the addition of ixazomib citrate (ixazomib) to lenalidomide improves overall survival (OS) among patients who are minimal residual disease (MRD) positive after approximately 1 year of lenalidomide maintenance following an early stem cell transplant (=\< 12 months from diagnosis). SECONDARY OBJECTIVES: I. To establish whether progression-free survival (PFS) is superior with the addition of ixazomib to lenalidomide maintenance. II. To evaluate best response on treatment and compare response rates between arms. III. To evaluate the safety profile of ixazomib added to lenalidomide and compare toxicity rates between arms. EXPLORATORY OBJECTIVES: I. To measure treatment exposure and adherence. II. To estimate treatment duration, duration of response and time to progression. PATIENT-REPORTED OUTCOMES (PRO) OBJECTIVES: I. To quantify the extent to which the addition of ixazomib to lenalidomide maintenance contributes to neuropathy and associated physical and functional impairments. (Primary) II. To assess the impact of the addition of ixazomib to lenalidomide maintenance on disease control and associated physical and functional well-being. (Primary) III. To evaluate time to worsening and recovery rate related to neuropathy. (Secondary) IV. To evaluate time to improvement and response rate related to disease control. (Secondary) V. To evaluate attributes of select patient reported treatment-emergent symptomatic adverse events (Patient-Reported Outcomes - Common Terminology Criteria for Adverse Events \[PRO-CTCAE\]) longitudinally and compare responses with provider-reported adverse events. (Exploratory) VI. To measure the likelihood of medication adherence and examine the relationship with treatment exposure. (Exploratory) VII. To assess correlation among patient reported outcome measures and association with clinical outcomes. (Exploratory) VIII. To tabulate PRO compliance and completion rates. (Exploratory) IMAGING OBJECTIVES: I. To evaluate the association between baseline fludeoxyglucose F-18 (18F-FDG)-positron emission tomography (PET)/computed tomography (CT) and patient outcomes. II. To compare overall survival (OS) with the addition of ixazomib to lenalidomide among baseline 18F-FDG PET/CT-positive and 18F-FDG PET/CT -negative subgroups. III. To compare the change in quantitative 18F-FDG PET/CT parameters over time with the addition of ixazomib to lenalidomide. OUTLINE: Patients are randomized to 1 of 2 arms. ARM A: Patients receive lenalidomide orally (PO) once daily (QD) on days 1-28 and ixazomib citrate PO on days 1, 8, and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo bone marrow aspirate and/or biopsy and positron emission tomography (PET) and computed tomography (CT) scan at screening and on study as well as undergo collection of blood samples throughout the trial. ARM B: Patients receive lenalidomide PO QD on days 1-28 and a placebo PO on days 1, 8, and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo bone marrow aspirate and/or biopsy and PET and CT scan at screening and on study as well as undergo collection of blood samples throughout the trial. After completion of study treatment, patients are followed up every 3 months if \< 2 years from study entry, every 6 months if 2-5 years from study entry, then every 12 months for up to 10 years from study entry.
Source references
Source notices and limitations
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    Preserved source evidence · Not medical advice