Rituximab, Lenalidomide, and Ibrutinib in Treating Patients With Previously Untreated Stage II-IV Follicular Lymphoma

Study Overview
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Brief Summary
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This phase I trial studies the side effects and best dose of lenalidomide and ibrutinib when given together with rituximab in treating patients with previously untreated stage II-IV follicular lymphoma. Lenalidomide may stimulate the immune system in different ways and stop cancer cells from growing. Ibrutinib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Rituximab is a monoclonal antibody. It binds to a protein called CD20, which is found on B cells (a type of white blood cell) and some types of cancer cells. This may help the immune system kill cancer cells. Giving lenalidomide and ibrutinib together with rituximab may work well in treating follicular lymphoma.

Detailed Description
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PRIMARY OBJECTIVE: I. To determine the recommended phase II doses of ibrutinib and lenalidomide for combination with rituximab in previously untreated follicular lymphoma. SECONDARY OBJECTIVES: I. To determine pharmacokinetics of ibrutinib and its major metabolite (PCI-45227) when combined with lenalidomide and rituximab. II. To determine the pharmacodynamics of basophil activation and Bruton tyrosine kinase (BTK) occupancy in peripheral blood mononuclear cells (PBMCs) over a 24-hour period of ibrutinib when given in combination with lenalidomide and rituximab. OUTLINE: This is a dose-escalation study of lenalidomide and ibrutinib. Patients receive lenalidomide orally (PO) once daily (QD) on days 1-21 and ibrutinib PO QD on days 1-28. Treatment repeats every 28 days for up to 18 cycles in the absence of disease progression or unacceptable toxicity. Patients also receive rituximab intravenously (IV) on days 1, 8, 15, and 22 of cycle 1 and once weekly at weeks 13, 21, 29, and 37. After completion of study treatment, patients are followed up every 4 months for 2 years and then every 6 months for 8 years or every 6 months or annually for 10 years.

Official Title
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A Phase I Study of Rituximab, Lenalidomide, and Ibrutinib in Previously Untreated Follicular Lymphoma

Conditions
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Ann Arbor Stage II Grade 1 Contiguous Follicular Lymphoma, Ann Arbor Stage II Grade 1 Non-Contiguous Follicular Lymphoma, Ann Arbor Stage II Grade 2 Contiguous Follicular Lymphoma, Ann Arbor Stage II Grade 2 Non-Contiguous Follicular Lymphoma, Ann Arbor Stage II Grade 3 Contiguous Follicular Lymphoma, Ann Arbor Stage II Grade 3 Non-Contiguous Follicular Lymphoma, Ann Arbor Stage III Grade 1 Follicular Lymphoma, Ann Arbor Stage III Grade 2 Follicular Lymphoma, Ann Arbor Stage III Grade 3 Follicular Lymphoma, Ann Arbor Stage IV Grade 1 Follicular Lymphoma, Ann Arbor Stage IV Grade 2 Follicular Lymphoma, Ann Arbor Stage IV Grade 3 Follicular Lymphoma

Intervention / Treatment
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* Drug: Ibrutinib
* Other: Laboratory Biomarker Analysis
* Drug: Lenalidomide
* Other: Pharmacological Study
* Biological: Rituximab


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Previously untreated, histologically confirmed follicular lymphoma, World Health Organization (WHO) classification grade I, II, or IIIa (> 15 centroblasts per high power field with centrocytes present) that is stage III, IV, or bulky (i.e., single mass >= 7 cm in any unidimensional measurement) stage II and requires therapy at the discretion of the primary physician Bone marrow biopsies as the sole means of diagnosis are not acceptable, but they may be submitted in conjunction with nodal biopsies; fine needle aspirates are not acceptable for diagnosis Failure to submit pathology specimens within 60 days of patient registration will be considered a major protocol violation Institutional flow cytometry or immunohistochemistry must confirm cluster of differentiation 20 (CD20) antigen expression All risk by follicular lymphoma international prognostic index (FLIPI): 0-5 risk factors No prior systemic therapy for non-Hodgkin lymphoma (NHL) including chemotherapy or immunotherapy (e.g., monoclonal antibody-based therapy), radiation therapy, or radioimmunotherapy For non-NHL conditions, no chemotherapy, radiotherapy, or major surgery within 4 weeks (6 weeks for nitrosoureas or mitomycin C) of enrollment; no patients who have ongoing adverse events from agents administered more than 4 weeks previously No prior exposure to any of the study agents No corticosteroids within two weeks prior to study entry, except for maintenance therapy for a non-malignant disease; dose of corticosteroid or prednisone (or its equivalent) should not exceed 20 mg per day; corticosteroid premedication for rituximab is allowed Eastern Cooperative Oncology Group (ECOG) performance status must be =< 2 Measurable disease must be present either on physical examination or imaging studies; non-measurable disease alone is not acceptable; any tumor mass > 1 cm is acceptable; lesions that are considered non-measurable include the following: Bone lesions (lesions if present should be noted) Ascites Pleural/pericardial effusion Lymphangitis cutis/pulmonis Bone marrow (involvement by NHL should be noted) Patients with human immunodeficiency virus (HIV) infection are eligible, provided they meet the following: No evidence of coinfection with hepatitis B or C CD4+ cell count >= 400/mm^3 No evidence of resistant strains of HIV If not on anti-HIV therapy, HIV viral load < 10,000 copies HIV ribonucleic acid (RNA)/mL If on anti-HIV therapy, HIV viral load < 50 copies HIV RNA/mL No history of acquired immunodeficiency syndrome (AIDS)-defining conditions No use of strong cytochrome P450, family 3, subfamily A, polypeptide 4/5 (CYP3A4/5) inhibitors or inducers No known central nervous system (CNS) involvement by lymphoma No treatment with strong inhibitors or inducers of CYP3A4/5 No evidence of active hepatitis B or C infections (i.e., no positive serology for anti-hepatitis B virus [HBV] or anti-hepatitis C virus [HCV] antibodies); HBV seropositive patients (hepatitis B surface antigen [HBsAg] +) are eligible if they are closely monitored for evidence of active HBV infection by HBV deoxyribonucleic acid (DNA) testing and receive suppressive therapy with lamivudine or other HBV suppressive therapy until 6 months after the last rituximab dose No history of erythema multiforme, toxic epidermal necrolysis or Stevens-Johnson syndrome No history of uncontrolled seizures No autoimmune disorder that requires active immunosuppression No intracranial hemorrhage within the last 6 months Patients must be non-pregnant and non-nursing; females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days and again within 24 hours prior to starting cycle 1 of lenalidomide; further, they must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP, even if they have had a successful vasectomy; a FCBP is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy, or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time preceding 24 consecutive months); all patients must be counseled by a trained counselor every 28 days about pregnancy precautions and risks of fetal exposure No known human anti-chimeric antibody (HACA) positivity No anticoagulation with warfarin is allowed; patients must not have received warfarin within 28 days prior to registration; alternative anticoagulant may be used Patients must not be receiving concurrent treatment with other investigational drugs Patients must not have a history of allergic reactions attributed to compounds of similar chemical or biologic composition to lenalidomide, ibrutinib, or other agents used in study Patients must not have presence of transfusion-dependent thrombocytopenia No currently active clinically significant cardiovascular disease including the following: No uncontrolled arrhythmia No congestive heart failure No class 3 or 4 cardiac disease as defined by the New York Heart Association Functional Classification No history of myocardial infarction, deep venous or arterial thrombosis within 6 months prior to registration No prior malignancy with the exceptions listed below: Malignancy treated with curative intent and with no evidence of active disease for more than 3 years prior to screening and felt to be at low risk for recurrence by the treating physician Adequately treated non-melanomatous skin cancer or lentigo maligna melanoma without current evidence of disease Adequately treated cervical carcinoma in situ without current evidence of disease Patients must be >= 18 years of age Absolute neutrophil count (ANC) >= 1,000/microliter (should be present independent of growth factor or transfusion support for at least 7 days prior to first dose of study drug) Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 2.5 x upper limit of normal (ULN) (should be present independent of growth factor or transfusion support for at least 7 days prior to first dose of study drug) Total bilirubin =< 1.5 x ULN unless attributable to Gilbert's syndrome (should be present independent of growth factor or transfusion support for at least 7 days prior to first dose of study drug) Creatinine clearance > 60 mL/min (patients on dialysis are not eligible); to be calculated by method of Cockcroft-Gault, using actual weight (should be present independent of growth factor or transfusion support for at least 7 days prior to first dose of study drug) Creatinine =< 2 x ULN (should be present independent of growth factor or transfusion support for at least 7 days prior to first dose of study drug) Platelet count >= 75,000/microliter (should be present independent of growth factor or transfusion support for at least 7 days prior to first dose of study drug)

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Treatment (lenalidomide, ibrutinib, and rituximab)<br>Patients receive lenalidomide PO QD on days 1-21 and ibrutinib PO QD on days 1-28. Treatment repeats every 28 days for up to 18 cycles in the absence of disease progression or unacceptable toxicity. Patients also receive rituximab IV on days 1, 8, 15, and 22 of cycle 1 and once weekly at weeks 13, 21, 29, and 37. | Drug: Ibrutinib<br>* Given PO<br>* Other names: PCI-32765;Other: Laboratory Biomarker Analysis<br>* Correlative studies<br>Drug: Lenalidomide<br>* Given PO<br>* Other names: Revlimid;Other: Pharmacological Study<br>* Correlative studies<br>Biological: Rituximab<br>* Given IV<br>* Other names: Truxima;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Maximally tolerated dose (MTD) of lenalidomide and ibrutinib for combination with rituximab | Defined as the highest dose at which 0 or 1 of 6 patients experience DLT. Will be determined by dose-limiting toxicities (DLT) graded using the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 4.0 | 28 days | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Toxicities by attribute and grade | Summarized for each dose level. Will be assessed using National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 4.0. | Up to 10 years | 
| Complete response rate | Estimated for each dose level. | Up to 10 years | 
| Overall response rate | Estimated for each dose level. | Up to 10 years | 
| Progression-free survival (PFS) | Estimated by Kaplan-Meier method for the whole number of patients in this study and at the MTD. | The time between registration and disease progression or death, assessed up to 10 years | 
| Overall survival (OS) | Estimated by Kaplan-Meier method for the whole number of patients in this study and at the MTD. | The time between registration and death, assessed up to 10 years |