Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Randomized, Multicenter, Open-Label, Phase 3 Study of Acalabrutinib (ACP-196) Versus Investigator's Choice of Either Idelalisib Plus Rituximab or Bendamustine Plus Rituximab in Subjects With R/R Chronic Lymphocytic Leukemia
Brief Summary: This study is designed to evaluate the efficacy of acalabrutinib compared with rituximab in combination with idelalisib or bendamustine in previously treated subjects with chronic lymphocytic leukemia (CLL).


Options:
A: Inclusion Criteria:

* Participant must have a diagnosis of chronic lymphocytic leukemia (CLL) that meets 2008 Modified International Workshop on Chronic Lymphocytic Leukemia National Cancer Institute-Working Group (IWCLL NCI-WG) criteria
* Participant has relapsed/refractory disease with an indication for treatment
* Participant has refractory disease or developed recurrence after therapy with a B-cell receptor pathway inhibitor (BCR PI)
* Participant must have an Eastern Cooperative Oncology Group performance score of ≤ 2
* Participant must have adequate bone marrow function at Screening
* Participant must have adequate coagulation profile, renal, and hepatic function, per laboratory reference range at Screening

Exclusion Criteria:

* Participant has undergone an allogeneic stem cell transplant within the past year
* Participant has developed Richter's transformation confirmed by biopsy
* Participant has active and uncontrolled autoimmune cytopenia
* Participant has malabsorption syndrome or other condition that precludes enteral route of administration
* Participant is human immunodeficiency virus (HIV) positive or has chronic hepatitis B or hepatitis C virus requiring treatment
* Participant has known contraindication or allergy to both xanthine oxidase inhibitors and rasburicase
B: Inclusion Criteria:

1. Patients with untreated CLL or small lymphocytic lymphoma (SLL) with indication to treatment according to NCI Working Group guidelines.Patients that have received single agent rituximab will be allowed to participate in this study.
2. Age 65 or older
3. Eastern Cooperative Oncology Group (ECOG)/World Health Organization (WHO) performance status of 0-2.
4. Adequate renal function indicated by serum creatinine less or equal to 2 and adequate hepatic function indicated as total bilirubin less or equal to upper level of normal and as alanine aminotransferase (ALT) less or equal 2 upper limit of normal (ULN).
5. Able to understand and sign Informed Consent after the investigational nature, study design, risks and benefits have been explained.
6. Able to adhere to the study visit schedule and other protocol requirements.
7. Disease free of prior malignancies for 5 years with exception of currently treated basal cell, squamous cell carcinoma of the skin, or carcinoma "in situ" of the cervix or breast. Patients with malignancies with indolent behavior such as prostate cancer treated with radiation can be enrolled in the study as long as they have a reasonable expectation to have been cured with treatment modality received.
8. Females of childbearing potential (FCBP). A female of childbearing potential 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 in the preceding 24 consecutive months). Must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence
9. Continued from above. 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 4 weeks before she starts taking lenalidomide. FCBP must also agree to ongoing pregnancy testing.
10. Men must agree to use a condom during sexual contact with a female of child bearing potential even if they have had a successful vasectomy.
11. All patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure.
12. All patients must be able to take aspirin (81 or 325 mg) daily as prophylactic anticoagulation (patients intolerant to Acetylsalicylic Acid (ASA) may use warfarin or low molecular weight heparin.

Exclusion Criteria:

1. Known sensitivity to thalidomide or its derivatives.
2. Documented prolymphocytic leukemia (prolymphocytes more than 55% in the blood).
3. Known positivity for HIV or active hepatitis (B or C).
4. A serious medical condition, laboratory abnormality or psychiatric illness that would interfere with the ability of the patient to participate in this program according to the judgement of the Principal Investigator.
5. Active cardiovascular disease as defined by the New York Heart Association Class 3 or 4.
6. History of erythema nodosum if characterized by a desquamating rash while taking thalidomide or similar drugs.
7. Concurrent use of other chemotherapy agents.
8. Pregnant or breast feeding females. Lactating females must agree not to breast feed while taking lenalidomide.
9. No known history of tuberculosis or recent exposure to tuberculosis.
C: Inclusion Criteria:

* adult patients, \>=18 years of age
* relapsed CD20+ indolent B-cell non-Hodgkin's lymphoma
* documented history of response of \>/= 6 months duration from last rituximab-containing regimen
* clinical indication for treatment as determined by the investigator
* Eastern Cooperative Oncology Group (ECOG) performance status 0-2

Exclusion Criteria:

* prior use of any investigational monoclonal antibody within 6 months of study start
* prior use of any anti-cancer vaccine
* prior use of rituximab within 8 weeks of study entry
* radioimmunotherapy within 3 months prior to study entry
* Central Nervous System (CNS) lymphoma or evidence of transformation to high-grade or diffuse large B-cell lymphoma
D: Inclusion Criteria:

1. Men and women ≥ 18 years of age.
2. ECOG performance status of 0 to 2.
3. Diagnosis of CLL that meets published diagnostic criteria (Hallek 2008):

   1. Monoclonal B-cells (either kappa or lambda light chain restricted) that are clonally co-expressing ≥ 1 B-cell marker (CD19, CD20, or CD23) and CD5.
   2. Prolymphocytes may comprise ≤ 55% of blood lymphocytes.
   3. Presence of ≥ 5 x 10\^9 B lymphocytes/L (5000/μL) in the peripheral blood (at any point since initial diagnosis).
4. Must have documented CD20-positive CLL.
5. Active disease meeting ≥ 1 of the following IWCLL 2008 criteria for requiring treatment:

   1. Evidence of progressive marrow failure as manifested by the development of, or worsening of, anemia (hemoglobin \< 10 g/dL) and/or thrombocytopenia (platelets \< 100,000/μL).
   2. Massive (i.e., ≥ 6 cm below the left costal margin), progressive, or symptomatic splenomegaly.
   3. Massive nodes (i.e., ≥ 10 cm in the longest diameter), progressive, or symptomatic lymphadenopathy.
   4. Progressive lymphocytosis with an increase of \> 50% over a 2-month period or a LDT of \< 6 months. LDT may be obtained by linear regression extrapolation of ALC obtained at intervals of 2 weeks over an observation period of 2 to 3 months. In subjects with initial blood lymphocyte counts of \< 30 x 10\^9/L (30,000/μL), LDT should not be used as a single parameter to define indication for treatment. In addition, factors contributing to lymphocytosis or lymphadenopathy other than CLL (e.g., infections) should be excluded.
   5. Autoimmune anemia and/or thrombocytopenia that is poorly responsive to standard therapy.
   6. Constitutional symptoms documented in the subject's chart with supportive objective measures, as appropriate, defined as ≥ 1 of the following disease-related symptoms or signs:

   i. Unintentional weight loss ≥ 10% within the previous 6 months before screening.

   ii. Significant fatigue (ECOG performance score 2; inability to work or perform usual activities).

   iii. Fevers higher than 100.5°F or 38.0°C for ≥ 2 weeks before screening without evidence of infection.

   iv. Night sweats for \> 1 month before screening without evidence of infection.
6. Meet the following laboratory parameters:

   1. ANC ≥ 750 cells/μL (0.75 x 10\^9/L), or ≥ 500 cells/μL (0.50 x 10\^9/L) in subjects with documented bone marrow involvement, and independent of growth factor support 7 days before assessment.
   2. Platelet count ≥ 50,000 cells/μL (50 x 10\^9/L), or ≥ 30,000 cells/μL (30 x 10\^9/L) in subjects with documented bone marrow involvement, and without transfusion support 7 days before assessment. Subjects with transfusion-dependent thrombocytopenia are excluded. If an Investigator has chosen bendamustine/rituximab as the Arm B treatment, platelets must be ≥ 75,000 cells/μL (75 x 10\^9/L).
   3. Serum AST and ALT ≤ 2.0 x ULN.
   4. Total bilirubin ≤ 1.5 x ULN.
   5. Estimated creatinine clearance of ≥ 30 mL/min, calculated using the formula of Cockcroft and Gault \[(140-Age) • Mass (kg)/(72 • creatinine mg/dL); multiply by 0.85 if female\].
7. Must have received ≥ 1 prior systemic therapies for CLL. Note: Single-agent steroids or localized radiation are not considered a prior line of therapy. If a single-agent anti-CD20 antibody was previously administered, subjects must have received ≥ 2 doses.
8. Women who are sexually active and can bear children must agree to use highly effective forms of contraception while on the study and for 2 days after the last dose of acalabrutinib, 90 days after the last dose of idelalisib, 6 months after the last dose of bendamustine, or 12 months after the last dose of rituximab, whichever is longer. Highly effective forms of contraception are defined in Section 9.2.5.
9. Men who are sexually active and can beget children must agree to use highly effective forms of contraception during the study and for 90 days after the last dose of idelalisib, 6 months after the last dose of bendamustine, or 12 months after the last dose of rituximab, whichever is longer. Highly effective forms of contraception are defined in Section 9.2.5.
10. Men must agree to refrain from sperm donation during the study and for 90 days after the last dose of idelalisib, 6 months after the last dose of bendamustine, or 12 months after the last dose of rituximab, whichever is longer.
11. Willing and able to participate in all required evaluations and procedures in this study protocol, including swallowing capsules without difficulty.
12. 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 patient privacy regulations).

Exclusion Criteria:

1. Known CNS lymphoma or leukemia.
2. Known prolymphocytic leukemia or history of, or currently suspected, Richter's syndrome.
3. Uncontrolled AIHA or ITP defined as declining hemoglobin or platelet count secondary to autoimmune destruction within the screening period or requirement for high doses of steroids (\> 20 mg daily of prednisone or equivalent).
4. Prior exposure to a BCL-2 inhibitor (e.g., venetoclax/ABT-199) or a BCR inhibitor (e.g., BTK inhibitors or PI3K inhibitors). Prior bendamustine is allowed if Investigator's choice for treatment in Arm B is idelalisib with rituximab. Bendamustine retreatment is allowed if the prior response to bendamustine lasted \> 24 months.
5. Received any chemotherapy, external beam radiation therapy, anticancer antibodies, or investigational drug within 30 days before first dose of study drug.
6. Corticosteroid use \> 20 mg daily prednisone equivalent within 1 week before first dose of study drug, except as indicated for other medical conditions such as inhaled steroid for asthma, topical steroid use, or as premedication for administration of study drug or contrast. For example, subjects requiring steroids at daily doses \> 20 mg prednisone equivalent systemic exposure daily, or those who are administered steroids for leukemia control or white blood cell count lowering are excluded.
7. Prior radio- or toxin-conjugated antibody therapy.
8. Prior allogeneic stem cell transplant or prior autologous transplant within 6 months of first dose of study drug(s) or presence of graft-vs-host disease or receiving treatment for graft-vs-host disease.
9. Major surgical procedure within 30 days of first dose of study drug. Note: If a subject had major surgery, they must have recovered adequately from any toxicity and/or complications from the intervention before the first dose of study drug.
10. History of prior malignancy except for the following:

    1. Malignancy treated with curative intent and with no evidence of active disease present for more than 2 years before screening and felt to be at low risk for recurrence by treating physician.
    2. Adequately treated lentigo maligna melanoma without current evidence of disease or adequately controlled nonmelanomatous skin cancer.
    3. Adequately treated carcinoma in situ without current evidence of disease.
11. Significant cardiovascular disease such as uncontrolled or untreated symptomatic arrhythmias, congestive heart failure, or myocardial infarction within 6 months of screening, or any Class 3 or 4 cardiac disease as defined by the New York Heart Association Functional Classification, or QTc \> 480 msec (calculated using Fridericia's formula: QT/RR\^0.33) at screening. Exception: Subjects with controlled, asymptomatic atrial fibrillation during screening are allowed to enroll on study.
12. Malabsorption syndrome, disease significantly affecting gastrointestinal function, or resection of the stomach, or extensive small bowel resection that is likely to affect absorption, symptomatic inflammatory bowel disease, or partial or complete bowel obstruction, or gastric restrictions and bariatric surgery, such as gastric bypass.
13. Received a live virus vaccination within 28 days of first dose of study drug.
14. Known history of infection with HIV or any uncontrolled active systemic infection (e.g., bacterial, viral, or fungal). For study sites in Germany: active infection with human immunodeficiency virus (seropositivity for HIV-1 or HIV-2 antibodies, and if positive, reactivity against the HIV-specific p24 antigen).
15. Active CMV infection (active viremia as evidenced by positive polymerase chain reaction \[PCR\] result for CMV DNA).
16. Serologic status reflecting active hepatitis B or C infection.

    1. Subjects who are anti-HBc positive and who are surface antigen negative will need to have a negative PCR result before randomization. Those who are HbsAg-positive or hepatitis B PCR positive will be excluded.
    2. Subjects who are hepatitis C antibody positive will need to have a negative PCR result before randomization. Those who are hepatitis C PCR positive will be excluded.
17. Ongoing, drug-induced liver injury, alcoholic liver disease, non-alcoholic steatohepatitis, primary biliary cirrhosis, ongoing extrahepatic obstruction caused by cholelithiasis, cirrhosis of the liver, or portal hypertension.
18. History of or ongoing drug-induced pneumonitis.
19. History of serious allergic reactions including anaphylaxis and toxic epidermal necrolysis.
20. History of stroke or intracranial hemorrhage within 6 months before first dose of study drug.
21. History of bleeding diathesis (e.g., hemophilia, von Willebrand disease).
22. Requires or receiving anticoagulation with warfarin or equivalent vitamin K antagonists (e.g., phenprocoumon) within 7 days of first dose of study drug.
23. Presence of a gastrointestinal ulcer diagnosed by endoscopy within 3 months before screening.
24. Requires treatment with a strong CYP3A inhibitor/inducer.
25. Requires treatment with proton-pump inhibitors (e.g., omeprazole, esomeprazole, lansoprazole, dexlansoprazole, rabeprazole, or pantoprazole). Subjects receiving proton-pump inhibitors who switch to H2-receptor antagonists or antacids are eligible for enrollment to this study.
26. Breast feeding or pregnant.
27. Concurrent participation in another therapeutic clinical trial.
28. Prothrombin time/INR or aPTT (in the absence of a Lupus anticoagulant) \> 2.0 x ULN. Exception: Subjects receiving warfarin are excluded, however, those receiving other anticoagulant therapy who have a higher INR/aPTT may be permitted to enroll to this study after discussion with the medical monitor.
29. History of confirmed progressive multifocal leukoencephalopathy (PML)

Answer: D