- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02514083
A Phase II Study Using Ibrutinib and Short-Course Fludarabine in Treatment-Naive CLL
A Pilot Phase II Study Using Ibrutinib and Short-Course Fludarabine in Previously Untreated Patients With Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL)
Study Overview
Status
Intervention / Treatment
Detailed Description
Chronic lymphocytic leukemia (CLL) and/or small lymphocytic lymphoma (SLL) are tumors of B cells that often affect elderly patients. While the cause of CLL is still unclear, studies have indicated critical factors required for the tumor cells. First, CLL cells grow and survive because they receive signals through the B-cell receptor (BCR); and second, CLL cells benefit from interactions with other cells, especially T cells.
The stimulation through the BCR can be reduced with ibrutinib, which is an oral drug that selectively inhibits Bruton's tyrosine kinase (BTK). In clinical trials, ibrutinib demonstrated safety and high response rates in patients with high-risk disease. Ibrutinib has gained FDA approval as a treatment for CLL patients with 17p deletion and for those who had at least one prior therapy. However, single-agent ibrutinib has limitations; the drug does not eliminate all the tumor cells, and, with time, the tumor cells may become resistant. Therefore, a combination of ibrutinib with other drugs could be beneficial. Here we chose fludarabine because it is a well-tolerated drug that has been used widely to treat CLL. Also, fludarabine can kill both malignant B cells and T cells that support the growth of leukemia cells. With this approach, we hope to restore a healthier immune system.
This study will investigate the safety and efficacy of ibrutinib combined with fludarabine. This protocol is intended for previously untreated CLL patients. Ibrutinib will be given daily until disease progression or intolerable side effects occur. Fludarabine will be given only in cycles 3 and 4.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Maryland
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Bethesda, Maryland, United States, 20892
- National Institutes of Health Clinical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
INCLUSION CRITERIA:
Men and women with histologically confirmed disease as defined by the following:
- CLL: clonal B-lymphocytosis greater than or equal to 5,000 cells/microL .
- SLL: lymphadenopathy with the tissue morphology of CLL but that are not leukemic, < 5,000 cells/microL.
- Immunophenotypic profile or immunohistochemistry read by an expert pathologist as consistent with CLL. This will include CD5, CD19, and CD20 expression by the CLL cells typically also with CD23 expression, but CD23 negative cases may be included if there is an absence of t(11;14).
Active disease as defined by at least one of the following (IWCLL consensus criteria):
- Weight loss greater than or equal to 10% within the previous 6 months
- Extreme fatigue
- Fevers of greater than 100.5 F for greater than or equal to 2 weeks without evidence of infection
- Night sweats for more than one month without evidence of infection
- Evidence of progressive marrow failure as manifested by the development of, or worsening of, anemia and/or thrombocytopenia
- Massive or progressive splenomegaly
- Massive nodes or clusters or progressive lymphadenopathy
- Progressive lymphocytosis with an increase of >50% over a 2-month period, or an anticipated doubling time of less than 6 months
Treatment naive CLL/SLL patients
-Treatment-naive CLL indicates no prior anti-CLL therapy. Anti-CLL therapy includes chemotherapies, monoclonal antibodies, and targeted agents with known or reasonably expected anti-leukemic activity.
- Eastern Cooperative Oncology Group (ECOG) performance status of less than or equal to 2
- Absolute neutrophil count (ANC) > 750/microL, platelets > 50,000/microL
- Agreement to use acceptable methods of contraception during the study and for 90 days after the last dose of study drug if sexually active and able to bear or beget children. Female subjects of childbearing potential must have a negative serum pregnancy test upon study entry. Male and female subjects who agree to use both a highly effective method of birth control (eg, implants, injectables, combined oral contraceptives, some intrauterine devices, complete abstinence, or sterilized partner) and a barrier method (e.g. condoms, vaginal ring, sponge, etc.) during the period of therapy and for 90 days after the last dose of study drug.
- Willing and able to participate in all required evaluations and procedures in this study protocol including swallowing capsules without difficulty
- Ability to understand the purpose and risks of the study and provide signed and dated informed consent and authorization to use protected health information (in accordance with national and local subject privacy regulations)
EXCLUSION CRITERIA:
- Transformed CLL, including Hodgkin and non-Hodgkin lymphoma
- Active autoimmune hemolytic anemia or thrombocytopenia
- Known bleeding disorders
- Impaired hepatic function: Total bilirubin greater than or equal to 1.5 times upper limit of normal unless due to Gilbert's disease, aspartate aminotransferase (AST) or alanine transaminase (ALT) greater than or equal to 2.5 times institutional upper limit of normal unless due to infiltration of liver, Child-Pugh class B or C
- Impaired renal function: estimated glomerular filtration rate (GFR) < 30ml/min/1.73m(2) based on CKD-EPI
- Life-threatening illness, medical condition or organ system dysfunction which, in the investigators opinion, could compromise the subject's safety, interfere with the absorption or metabolism of ibrutinib and fludarabine, or put the study outcomes at undue risk
- Concomitant immunomodulatory therapy, chemotherapy, radiotherapy or experimental therapy
- Active Hepatitis B or Hepatitis C infection
- HIV infection
- Female patients who are currently in pregnancy, or unwilling to use acceptable methods of contraception or refrain from pregnancy if of childbearing potential or currently breastfeeding. Male patients who are unwilling to follow the contraception requirements described in this protocol.
- Psychiatric illness/social situations that would limit the patient's ability to tolerate and/or comply with study requirements.
- Unable to understand the investigational nature of the study or give informed consent.
- Individuals < 18 years old
- Known hypersensitivity to any component of ibrutinib or fludarabine
- Requires concomitant anticoagulation with Coumadin (warfarin) or other vitamin K antagonists.
- Prior malignancy, except for adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, or other cancer from which the subject has been disease-free for greater than or equal to 2 years or which will not limit survival to < 2 years
- Malabsorption syndrome, disease significantly affecting gastrointestinal function, or resection of the stomach or small bowel or ulcerative colitis, symptomatic inflammatory bowel disease, or partial or complete bowel obstruction
- History of stroke or intracranial hemorrhage within 6 months before the first dose of study drug
- Major surgery within 4 weeks of first dose of study drug
- Currently active, clinically significant cardiovascular disease such as uncontrolled or symptomatic arrhythmias, Class 3 or 4 congestive heart failure as defined by New York Heart Association Functional Classification, or a history of myocardial infarction or unstable angina, or acute coronary syndrome within 6 months of screening.
- Subjects who received a strong cytochrome P450 (CYP) 3A inhibitor within 7 days prior to the first dose of ibrutinib or subjects who require continuous treatment with a strong CYP3A inhibitor.
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 |
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Experimental: Ibrutinib and short-course fludarabine
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Ibrutinib 420mg PO daily for the duration of the study.
Other Names:
Fludarabine 25 mg/m2/day IV on days 1-5 of cycles 3 and 4
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Rate of Complete Response at 24 Weeks
Time Frame: 24 weeks
|
Rate of complete response at 24 weeks or after 6 cycles.
Response assessment was conducted according to the guidelines from the 2008 International Workshop on Chronic Lymphocytic Leukemia (IWCLL).
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24 weeks
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Rate of Treatment Discontinuation Within the First 24 Weeks
Time Frame: 24 weeks
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Rate of treatment discontinuation within the first 24 weeks or 6 cycles due to intolerable side effects from study therapy
|
24 weeks
|
Collaborators and Investigators
Investigators
- Principal Investigator: Andy Itsara, M.D., National Heart, Lung, and Blood Institute (NHLBI)
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
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
Other Study ID Numbers
- 150172
- 15-H-0172 (Other Identifier: NIHCC)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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