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Protocol Details

A Phase II Study Of Ibrutinib, Fludarabine, and Pembrolizumab in High-Risk or Relapsed/Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL)

This study is currently recruiting participants.

Summary | Eligibility | Citations | Contacts

Summary

Number

17-H-0118

Sponsoring Institute

National Heart, Lung and Blood Institute (NHLBI)

Recruitment Detail

Type: Participants currently recruited/enrolled
Gender: Male & Female
Min Age: 18
Max Age: N/A

Referral Letter Required

No

Population Exclusion(s)

Pregnant Women and Fetuses;
Children

Special Instructions

Currently Not Provided

Keywords

Deletion 17p;
Bruton s tyrosine kinase (BTK) inhibitor;
TP53 Mutation;
NOTCH1 mutation;
Complex Cytogenics

Recruitment Keyword(s)

None

Condition(s)

Progressive Marrow Failure;
Night sweats for more than 1 month without evidence of infection;
Weight loss of 10% or more within the previous 6 months;
Fevers Higher than 100.5 degress F or 38.0 degrees C for 2 or more weeks

Investigational Drug(s)

Pembrolizumab
Ibrutinib

Investigational Device(s)

None

Intervention(s)

Drug: Ibrutinib
Drug: Fludarabine
Drug: Pembrolizumab

Supporting Site

National Heart, Lung, and Blood Institute

Background:

Chronic lymphocytic leukemia and small lymphocytic lymphoma (hereby referred as CLL) are tumors of B cells. A subset of patients categorized as high-risk CLL has a poor clinical outcome when treated with conventional chemotherapy. This single-arm, phase II study investigates the combination of ibrutinib, fludarabine and pembrolizumab for treatment of CLL. Ibrutinib is an orally administered therapy for CLL. Fludarabine is a well-tolerated drug that has been widely used to treat CLL. Also, fludarabine can modulate CLL cells as well as immune cells that support the growth of CLL cells. Pembrolizumab recruits immune cells to attack CLL cells. With this approach we hope to achieve a greater reduction in CLL cells than with single agent ibrutinib andto restore healthier immune system that could contribute to durable responses.

Objective:

To investigate the rate of complete response to ibrutinib, short course fludarabine and pembrolizumab.

Eligibility:

Patients with active CLL meeting treatment indications defined by 2008 International Workshop on CLL (IWCLL) consensus guideline.

High-risk CLL defined by one of the following:

-Relapsed/refractory disease status (except patients with deletion 13q AND mutated IgHV), or

-Presence of high-risk mutations regardless of prior treatment status: deletion 17p, TP53 mutation, NOTCH1 mutation, or complex cytogenetics.

Design:

This is a single-arm, open-label phase II study.

Timeline: Treatment on this study is given in cycles from cycle -3 to 17, then in months beyond cycle 17. Cycles -3 to -1 are 28-day cycles. Cycles 1 to 17 are 21-day cycles. After completion of 1 year of pembrolizumab, the time on study is by chronological months on study from starting pembrolizumab.

Treatment plan:

-Ibrutinib is given starting from cycle -3 and continuously until disease progression or intolerable side effects occur.

-Fludarabine is given on cycle -2 only.

-Pembrolizumab is given every 3 weeks starting from cycle 1 for 1 year.

-Minimal residual disease will be measured at 2 years from cycle 1 to determine the need for long- term treatment with ibrutinib.

--Previously-untreated patients who achieve minimal residual disease negativity will stop ibrutinib.

--Patients who do not achieve minimal residual disease negativity or who has Relapsed/refractory CLL will continue ibrutinib.

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Eligibility

INCLUSION CRITERIA:

-Men and women with histologically confirmed CLL or SLL

-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 degrees 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.

-High-risk disease defined by meeting at least one of the following three criteria:

--Relapsed and/or refractory CLL/SLL. Exceptions are patients with mutated IGHV and isolated 13q deletion. These patients are not considered to be high-risk by prior treatment history alone, and will be excluded from the trial.

--Presence of high-risk mutations detected by FISH or targeted sequencing, regardless of prior treatments status.

---FISH: deletion 17p (or TP53), complex cytogenetics (3 or more abnormalities)

---Targeted sequencing: TP53, or NOTCH1 mutation. Pathologic mutations occurring at the coding regions are accepted as relevant mutations.

--CLL or SLL with disease transformation with Hodgkin-like cells regardless of prior treatment status.

-Eastern Cooperative Oncology Group (ECOG) performance status of less than or equal to 1.

-Adequate organ function as defined by the study protocol.

-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.

-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.

-Individuals greater than or equal to 18 years old

EXCLUSION CRITERIA:

-Transformation of CLL into lymphomas other than those with Hodgkin-like cells.

-Currently receiving or previously participated to receive an investigational agent within 4 weeks prior to study treatment.

-Currently receiving or previously received monoclonal antibodies, immunomodulatory therapy, chemotherapy, radiation, or radioimmunotherapy within 4 weeks prior to study treatment, or has not recovered from non-hematologic adverse events due to a previously administered agent.

-Major surgery within 4 weeks of first dose of study drug

-Currently receiving systemic steroid therapy (i.e. prednisone) or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment.

-Prior therapy with BTK inhibitor, anti-PD-1, anti-PD-L1, or anti-PD-L2 agent.

- Active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (e.g.., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.

-Known additional malignancy that is progressing or requires active treatment.

-Known history of, or any evidence of active, non-infectious pneumonitis that required steroids.

-Known bleeding disorders (i.e., von Willebrand s disease or hemophilia).

-Known HIV infection

-Active hepatitis B or hepatitis C infection.

-Recent known active infection requiring systemic therapy that was completed less than or equal to 14 days before the first dose of study drug.

-Known history of active tuberculosis.

-Any uncontrolled active systemic infection.

-Known hypersensitivity to ibrutinib, fludarabine, or pembrolizumab.

-Requires concomitant anticoagulation with Coumadin (warfarin) or other vitamin K antagonists.

-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

-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

-Currently active, clinically significant cardiovascular disease including 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, unstable angina or acute coronary syndrome within 6 months of screening.

-Life-threatening illness, medical condition or organ system dysfunction which, in the investigator's 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

-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.

-Currently active, clinically significant hepatic impairment Child-Pugh class B or C according to the Child Pugh classification.

-Vaccinated with live, attenuated vaccines within 4 weeks of first dose of study drug.


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Citations:

Not Provided

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Contacts:

Principal Investigator

Referral Contact

For more information:

Inhye Ahn, M.D.
National Heart, Lung and Blood Institute (NHLBI)



Pia Nierman, R.N.
National Heart, Lung and Blood Institute (NHLBI)
National Institutes of Health
Building 10
Room 4-5350
10 Center Drive
Bethesda, Maryland 20892
(301) 827-1094
pia.nierman@nih.gov

Office of Patient Recruitment
National Institutes of Health Clinical Center (CC)
Building 61, 10 Cloister Court
Bethesda, Maryland 20892
Toll Free: 1-800-411-1222
Local Phone: 301-451-4383
TTY: 1-866-411-1010
PRPL@cc.nih.gov

Clinical Trials Number:

NCT03204188

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