- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02649387
Ibrutinib in Treating Minimal Residual Disease in Patients With Chronic Lymphocytic Leukemia After Front-Line Therapy (MERIT)
Minimal Residual Disease Eradication With Ibrutinib Therapy (MERIT) in Patients With Chronic Lymphocytic Leukemia After Frontline Therapy
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
PRIMARY OBJECTIVES:
I. Determine the rate of minimal residual disease (MRD)-negative responses (in both blood and bone marrow) at any time during treatment with ibrutinib maintenance.
SECONDARY OBJECTIVES:
I. Median time to achieve MRD- (negative) status (in blood and in bone marrow) after initiation of ibrutinib maintenance treatment.
II. Toxicity profile of ibrutinib as maintenance therapy after frontline induction.
III. Durability of the MRD- state (determined from the time of first documentation of MRD- until the first documentation of MRD+ (positive) (or last date shown to be MRD- for a censor).
IV. Determine the number of patients who improve their remission category (i.e., upgrade clinical response achieved after the induction such as from partial response [PR] to complete response [CR]) after initiating the maintenance therapy.
V. Time to requirement of next therapy for patients who achieve confirmed MRD- vs. those who remain MRD+ disease at 48 weeks (end of 12 cycles).
VI. Progression free survival (as determined by the International Workshop on Chronic Lymphocytic Leukemia [IWCLL] criteria) among patients who achieve confirmed MRD- vs. those who remain MRD+ disease at 48 weeks (end of 12 cycles).
TERTIARY OBJECTIVES:
I. To conduct correlative studies for further understanding of the mechanism of antitumor activity of ibrutinib in eradication of the MRD.
II. Determine the impact of ibrutinib on depression and anxiety symptoms to better understand toxicity profile of ibrutinib maintenance.
III. Determine impact of social support or lack thereof on mood symptoms in chronic lymphocytic leukemia (CLL) patients receiving maintenance treatment.
OUTLINE:
Patients receive ibrutinib orally (PO) once daily (QD) on days 1-28. Treatment repeats every 4 weeks* for up to 36 courses in the absence of disease progression or unacceptable toxicity.
Note: *The last course may last up to 56 days to accommodate the study drug discontinuation visit.
After completion of study treatment, patients are followed up every 3-6 months for up to 2 years.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Florida
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Jacksonville, Florida, United States, 32224-9980
- Mayo Clinic in Florida
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Understand and voluntarily sign an informed consent form
- Able to adhere to the study visit schedule and other protocol requirements including willing to provide blood, baseline bone marrow aspirate, and control deoxyribonucleic acid (DNA) samples for correlative research purposes
- Diagnosis of B-cell chronic lymphocytic leukemia (B-CLL), confirmed by flow cytometry and as per the criteria outlined by the IWCLL/Hallek December 2008
- Prior frontline therapy for B-CLL must have been discontinued >= 56 days but =< 365 days prior to registration; NOTE: Patients on supportive care therapy due to use of specific induction regimen such as antibiotics may continue on those treatments at the discretion of the treating physician
- Patient must have completed a frontline induction therapy (minimum of 2 treatment cycles); NOTE: Standard therapies/therapeutic agents are defined as those listed in the National Comprehensive Cancer Network (NCCN) guidelines for treatment of CLL; also, patients who received induction regimen as part of a clinical trial and is not necessarily mentioned in the NCCN guidelines, will also be eligible as long as the patient has completed at least 2 treatment cycles of induction regimen, achieved a clinical response (PR or CR) and is able to meet all other criteria for the study; however, patients who have previously received ibrutinib or have been randomized to ibrutinib containing arms in a clinical trial will not be eligible for this study
- Patients must have a sustained clinical response (PR, nodular PR [nPR], complete clinical response [CCR], CR with incomplete marrow recovery [CRi], CR) with documented residual disease (>= 1 CLL cell per 10,000 leukocytes or >= 0.01% MRD) either in the blood, bone marrow or a lymph node >= 3.5 cm by any available techniques
- Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2 at registration
- Absolute neutrophil count >= 1000/mm^3
- Platelet count >= 30,000/mm^3
- Serum creatinine =< 1.5 x upper limit of normal (ULN)
- Total bilirubin =< 1.5 mg/dL or direct bilirubin =< 1.0 mg/dL for patients with Gilbert's syndrome
- Serum glutamic oxaloacetic transaminase (SGOT) (aspartate aminotransferase [AST]) and serum glutamate pyruvate transaminase (SGPT) (alanine aminotransferase [ALT]) =< 3.5 x ULN
- Negative pregnancy test done =< 7 days prior to registration, for women of childbearing potential only
Exclusion Criteria:
- Any serious medical condition, laboratory abnormality, or psychiatric illness that would prevent the subject from signing the informed consent form
Since this study involves an investigational agent whose genotoxic, mutagenic and teratogenic effects on the developing fetus and newborn are unknown, any of the following will deem the subject ineligible for the study:
- Pregnant women
- Nursing women
- Men or women of childbearing potential who are unwilling to employ adequate contraception
- Any condition, including the presence of laboratory abnormalities, which places the subject at unacceptable risk if he/she were to participate in the study or confounds the ability to interpret data from the study
- Use of any other experimental drug or therapy =< 28 days prior to registration on this study; NOTE: Patients on low dose prednisone (=< 10 mg) for treatment of conditions other than CLL are eligible
- Patients who have received more than 1 prior therapy; NOTE: Prior therapy is defined as any single agent or combination regimen that is included as treatment for symptomatic CLL; treatment(s) given prior to the symptomatic phase of the disease (preventive strategy) will not be considered as prior induction therapy; for the purpose of a particular therapy/regimen to be counted towards the number of prior treatments a patient must have received at least 2 cycles of the induction regimen e.g., a patient who change their treatment regimen after only 1 cycle (due to toxicity or any other reason) will not be considered to have "2" prior therapies
- Patients who have progressive disease or relapse (as defined by the IWCLL criteria) at or any time before registration on this study
- Patients with history of any other cancer (except non-melanoma skin cancer or carcinoma in-situ of the cervix, unless in complete remission and off therapy for that disease for > 3 years)
- Patients who are already MRD- (both in the blood and the bone marrow) after frontline therapy and have lymph nodes < 3.5 cm
- Concomitant use of warfarin or other vitamin K antagonists
- Requires treatment with a strong cytochrome P450 modulators (cytochrome P450, family 3, subfamily A [CYP3A] inhibitor and/or CYP3A inducers)
- Currently active, clinically significant hepatic impairment Child-Pugh class B or C according to the Child Pugh classification
- Major surgery =< 4 weeks prior to registration
- Patients who have active infectious hepatitis
- Patients with other diseases that in the opinion of the treating physician pose a higher risk for treatment with ibrutinib therapy including active human immunodeficiency virus (HIV) infection and bleeding disorders
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment (ibrutinib)
Patients receive ibrutinib PO QD on days 1-28. Treatment repeats every 4 weeks* for up to 36 courses in the absence of disease progression or unacceptable toxicity. Note: *The last course may last up to 56 days to accommodate the study drug discontinuation visit. |
Correlative studies
Given PO
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Rate of confirmed MRD-negative response
Time Frame: Up to 3 years
|
A confirmed MRD-negative response is defined as an achievement of MRD-negative status in both the blood and the bone marrow on two consecutive evaluations at least 3 months apart.
The proportion of successes will be estimated by the number of successes divided by the total number of evaluable patients.
Ninety-five percent exact binomial confidence intervals for the true success proportion will be calculated.
|
Up to 3 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Duration of MRD-negative response
Time Frame: From the earliest date that the patient was noted as having MRD-negative response in both the blood and bone marrow until the first notation of MRD positive disease in the blood or the bone marrow, assessed up to 5 years
|
The distribution of duration of MRD-negative response will be estimated using the method of Kaplan-Meier.
|
From the earliest date that the patient was noted as having MRD-negative response in both the blood and bone marrow until the first notation of MRD positive disease in the blood or the bone marrow, assessed up to 5 years
|
Improvement in Clinical Response
Time Frame: Baseline to up to 5 years
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The percentage of patients with improvement in clinical response will be calculated as the number of patients with an improvement in IWCLL response at any time during treatment compared to baseline divided by the number of evaluable patients with an objective status of PR or CR (MRD+) at baseline.
Exact binomial 95% confidence intervals for the true percentage of patients with improvement in clinical response will be calculated.
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Baseline to up to 5 years
|
Incidence of adverse events
Time Frame: Up to 30 days after the last day of study drug treatment
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Platelets and hemoglobin will be graded according to the Grading Scale for Hematologic Adverse Events in CLL Studies.
The maximum grade for each type of adverse event, regardless of causality, will be recorded and reported for each patient, and frequency tables will be reviewed to determine adverse event patterns.
|
Up to 30 days after the last day of study drug treatment
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Progression-free survival
Time Frame: From the 48 week MRD evaluation until the time of disease progression per the IWCLL criteria or death due to any cause, assessed up to 5 years
|
A landmark analysis will be conducted to evaluate progression-free survival for patients who achieve a confirmed MRD-negative response in both the blood and bone marrow vs. those who remain MRD-positive, as assessed at 48 weeks (end of 12 cycles; +/- 4 weeks).
Patients who discontinue treatment before 48 weeks are excluded from this analysis.
The distribution of progression-free survival will be estimated using the Kaplan-Meier method and log-rank statistics will be utilized to evaluate differences between the two groups.
|
From the 48 week MRD evaluation until the time of disease progression per the IWCLL criteria or death due to any cause, assessed up to 5 years
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Time to MRD-negative response
Time Frame: From the date of registration to the earliest date that the patient was noted as having MRD-negative response in both the blood and bone marrow, assessed up to 5 years
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Time to MRD-negative response will be summarized descriptively (median, range).
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From the date of registration to the earliest date that the patient was noted as having MRD-negative response in both the blood and bone marrow, assessed up to 5 years
|
Time to requirement of next therapy
Time Frame: From the 48 week MRD evaluation until the time of initiation of subsequent treatment for progressive CLL, assessed up to 5 years
|
A landmark analysis will be conducted to evaluate time to requirement of next therapy for patients who achieve a confirmed MRD-negative response in both the blood and bone marrow vs. those who remain MRD-positive, as assessed at 48 weeks (end of 12 courses; +/- 4 weeks).
The distribution of time to requirement of next therapy will be estimated using the Kaplan-Meier method and log-rank statistics will be utilized to evaluate differences between the two groups.
|
From the 48 week MRD evaluation until the time of initiation of subsequent treatment for progressive CLL, assessed up to 5 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Asher Chanan-Khan, M.D., Mayo Clinic
- Principal Investigator: Sikander Ailawadhi, M.D., Mayo Clinic
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Disease Attributes
- Neoplastic Processes
- Leukemia, B-Cell
- Chronic Disease
- Leukemia
- Leukemia, Lymphocytic, Chronic, B-Cell
- Leukemia, Lymphoid
- Neoplasm, Residual
Other Study ID Numbers
- MC1481 (Mayo Clinic in Florida)
- NCI-2015-02153 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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