Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Randomized, Multicenter, Open-label, Phase 3 Study of the Bruton's Tyrosine Kinase (BTK) Inhibitor Ibrutinib (PCI-32765) Versus Ofatumumab in Patients With Relapsed or Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
Brief Summary: The purpose of the study is to evaluate whether treatment with ibrutinib as a monotherapy results in a clinically significant improvement in progression free survival (PFS) as compared to treatment with ofatumumab in patients with relapsed or refractory Chronic Lymphocytic Leukemia (CLL) or Small Lymphocytic Lymphoma (SLL)


Options:
A: Inclusion Criteria:

1. Must understand and voluntarily sign an informed consent form.
2. Age ≥ 18 years at the time of signing the informed consent form.
3. Must be able to adhere to the study visit schedule and other protocol requirements.
4. Must have a documented diagnosis of CLL (IWCLL guidelines for the diagnosis and treatment of chronic lymphocytic leukemia1.
5. Must have been treated with one of the first line induction therapies: fludarabine/cyclophosphamide, fludarabine/rituximab, fludarabine/cyclophosphamide/rituximab, pentostatin/cyclophosphamide/rituximab or bendamustine/rituximab.
6. Must have achieved a response of at least PR ((IWCLL guidelines for the diagnosis and treatment of chronic lymphocytic leukemia )following completion (minimum 4 cycles) of first line induction therapy prior to randomization, and have either:

   * MRD levels in the peripheral blood at final restaging of ≥10-2 or
   * MRD levels in the peripheral blood at final restaging of ≥10-4 - \<10-2 combined with an unmutated IGHV-status or 17p-deletion or TP53 mutation.
7. Must have completed last cycle of at least 4 cycles of first-line induction no less than 8 weeks (56 days) and no greater than 20 weeks (140 days) prior to randomization.
8. Subjects who completed first-line induction treatment with less than 6 cycles but at least 4 cycles should document reason for early discontinuation.
9. Must have an Eastern Cooperative Oncology Group (ECOG see appendix 11.13) performance status score of ≤2.
10. Negative serological Hepatitis B test or negative PCR in case of positive serological test without evidence of an active infection, negative testing of Hepatitis C RNA, negative HIV test within 6 weeks prior to randomization.
11. Females of childbearing potential (FCBP)† must:

    * Have two negative medically supervised pregnancy tests prior to starting of study therapy. She must agree to ongoing pregnancy testing during the course of the study, and after end of study therapy. This applies even if the subject practices complete and continued sexual abstinence.
    * Either commit to continued abstinence from heterosexual intercourse (which must be reviewed on a monthly basis) or agree to use, and be able to comply with, two reliable forms of effective contraception simultaneously to achieve a PEARL-Index \<1 without without interruption (Highly effective methods: Intrauterine device (IUD), Hormonal (birth control pills, injections, implants), Tubal ligation, Partner's vasectomy, Additional effective methods: Male condom, Diaphragm, Cervical Cap). 28 days prior to starting study drug, during the study therapy (including dose interruptions), and for 28 days after discontinuation of study therapy.
12. Male subjects must:

    * Agree to use a condom during sexual contact with a FCBP, even if they have had a vasectomy, throughout study drug therapy, during any dose interruption and after cessation of study therapy.
    * Agree to not donate semen during study drug therapy and for a period after end of study drug therapy.
13. All subjects must:

    * Have an understanding that the study drug could have a potential teratogenic risk.
    * Agree to abstain from donating blood while taking study drug therapy and following discontinuation of study drug therapy.
    * Agree not to share study medication with another person.
    * Be counseled about pregnancy precautions and risks of fetal exposure.
14. Willingness to inform the general practitioner

Exclusion Criteria:

1. A CIRS Score of more than 6 or a single score of 4 for an organ system limiting the ability to receive an intensive treatment
2. Active infections requiring systemic antibiotics.
3. Systemic infection CTC grade 3 or 4 that has not resolved \> 2 months prior to randomization in spite of adequate anti-infective therapy.
4. Autologous or allogeneic bone marrow transplant as first line therapy.
5. Pregnant or lactating females.
6. Systemic treatment for CLL in the interval between completing the last cycle of first-line induction therapy and randomization.
7. Participation in any clinical study or having taken any investigational therapy which would interfere with the study drug for a disease other than CLL within 28 days prior to initiating maintenance therapy.
8. Known presence of alcohol and/or drug abuse.
9. Central nervous system (CNS) involvement as documented by spinal fluid cytology or imaging. Subjects who have signs or symptoms suggestive of leukemic meningitis or a history of leukemic meningitis must have a lumbar puncture procedure performed within two weeks prior to randomization.
10. Prior history of malignancies, other than CLL, unless the subject has been free of the disease for ≥5 years. Exceptions include the following:

    * Basal cell carcinoma of the skin
    * Squamous cell carcinoma of the skin
    * Carcinoma in situ of the cervix
    * Carcinoma in situ of the breast
    * Incidental histological finding of prostate cancer (TNM stage of T1a or T1b)
11. History of renal failure requiring dialysis.
12. Prior therapy with lenalidomide.
13. Any of the following laboratory abnormalities:

    * Calculated (method of Cockcroft-Gault) creatinine clearance of \<60 mL/min
    * Absolute neutrophil count (ANC) \< 1,000/μL (1.0 X 109/L)
    * Platelet count \< 50,000/μL (50 X 109/L)
    * Serum aspartate aminotransferase (AST)/serum glutamic-oxaloacetic transaminase (SGOT) or alanine transaminase (ALT)/serum glutamate pyruvate transaminase (SGPT) \> 3.0 x upper limit of normal (ULN)
    * Serum total bilirubin \> 2.0 mg/dL (with the exception of Gilbert's Syndrome)
14. Uncontrolled hyperthyroidism or hypothyroidism.
15. Venous thromboembolism within one year.
16. ≥ Grade-2 neuropathy.
17. Uncontrolled autoimmune hemolytic anemia or thrombocytopenia.
18. Disease transformation (active) (i.e. Richter's Syndrome, prolymphocytic leukemia).
19. Known allergy to allopurinol if the subject has bulky disease.
20. Prisoners, or subjects who are institutionalized by regulatory or court order or persons who are who are in dependence to the sponsor or an investigator.
B: Inclusion Criteria:

* ECOG performance status of 0-1.
* Diagnosis of CLL or SLL that meets IWCLL 2008 criteria.
* Active disease meeting at least 1 of the IWCLL 2008 criteria for requiring treatment.
* Must have received at least one prior therapy for CLL/SLL.
* Considered not appropriate for treatment or retreatment with purine analog based therapy.
* Measurable nodal disease by CT.
* Patients must be able to receive outpatient treatment and laboratory monitoring at the institution that administers study drug for the entire study.

Exclusion Criteria:

* Known CNS lymphoma or leukemia.
* No documentation of cytogenetic and/or FISH in patient records prior to first dose of study drug.
* Any history of Richter's transformation or prolymphocytic leukemia.
* Uncontrolled Autoimmune Hemolytic Anemia (AIHA) or idiopathic thrombocytopenia purpura (ITP).
* Prior exposure to ofatumumab or to ibrutinib.
* Prior autologous transplant within 6 months prior to first dose of study drug.
* Prior allogeneic stem cell transplant within 6 months or with any evidence of active graft versus host disease or requirement for immunosuppressants within 28 days prior to first dose of study drug.
* History of prior malignancy, with the exception of certain skin cancers and malignancies treated with curative intent and with no evidence of active disease for more than 3 years.
* Serologic status reflecting active hepatitis B or C infection.
* Unable to swallow capsules or disease significantly affecting gastrointestinal function.
* Uncontrolled active systemic fungal, bacterial, viral, or other infection.
* History of stroke or intracranial hemorrhage within 6 months prior to the first dose of study drug.
* Requires anticoagulation with warfarin.
C: Inclusion Criteria:

* documented chronic lymphocytic leukemia (CLL) requiring treatment according to International Working Group on CLL (iwCLL) criteria
* adequate hematologic function: platelets ≥ 25.000/µl, neutrophils ≥ 1.000/µl and hemoglobin ≥8.0 g/dL, unless directly attributable to the patient´s CLL (e.g. bone marrow infiltration)
* adequate renal function: a creatinine clearance ≥30ml/min calculated according to the modified formula of Cockcroft and Gault or directly measured with 24 hr. urine collection
* adequate liver function: total bilirubin ≤1,5x, aspartate aminotransferase (AST) / alanin aminotransferase (ALT) ≤2.5x the institutional upper limit of normal (ULN) value, unless directly attributable to the patient's CLL or to Gilbert's Syndrome
* negative serological testing for hepatitis B, negative testing for hepatitis-C RNA and negative HIV test within 6 weeks prior to registration
* age ≥ 18 years
* Eastern Cooperative Oncology Group (ECOG) Performance Status 0 to 2, ECOG 3 is only permitted if related to CLL
* life expectancy ≥ 6 months
* ability and willingness to provide written informed consent and to adhere to the study visit schedule and other protocol requirements

Exclusion Criteria:

* transformation of CLL (i.e. Richter's transformation, prolymphocytic leukemia)
* known central nervous system (CNS) involvement
* confirmed progressive multifocal leukoencephalopathy (PML)
* malignancies other than CLL currently requiring systemic therapies
* uncontrolled infection requiring systemic treatment
* any comorbidity or organ system impairment rated with a cumulative illness rating scale (CIRS) score of 4, excluding the eyes/ears/nose/throat/larynx organ system or any other life-threatening illness, medical condition or organ system dysfunction that - in the investigator´s opinion - could compromise the patients safety or interfere with the absorption or metabolism of the study drugs (e.g, inability to swallow tablets or impaired resorption in the gastrointestinal tract)
* ongoing inflammatory bowel disease
* ongoing drug induced pneumonitis
* use of investigational agents which would interfere with the study drug ≤28 days prior to registration
* known hypersensitivity to GA101 (obinutuzumab), CAL-101 (idelalisib) or any of the excipients
* pregnant women and nursing mothers
* fertile men or women of childbearing potential unless surgically sterile or ≥ 2 years after the onset of menopause, or willing to use two methods of reliable contraception including one highly effective (Pearl Index \<1) and one additional effective (barrier) method during study treatment and for 18 months after end of study treatment
* vaccination with a live vaccine ≤28 days prior to registration
* legal incapacity
* prisoners or subjects who are institutionalized by regulatory or court order
* persons who are in dependence to the sponsor or an investigator
D: Inclusion Criteria:

* B-CLL
* Age \>18
* ECOG performance status 0-2
* Previous Rituximab containing induction treatment of the CLL in 1st or 2nd line
* Patient must be in complete remission or partial remission after an induction treatment containing rituximab
* ANC (absolute neutrophil count) \> 1,0 x 10e9 /L
* Life expectancy \> 6 months
* Patient´s written informed consent
* Patient using a reliable means of contraception for the duration of the treatment including 2 months thereafter

Exclusion Criteria:

* Active uncontrolled bacterial, viral or fungal infection
* Significantly reduced organ functions and bone marrow dysfunction not due to CLL
* creatinine clearance of below 30mL/min
* Patients with a history of other malignancies within 2 years prior to study entry
* Patients with a history of severe cardiac disease
* Other known comorbidity with the potential to dominate survival
* Transformation to aggressive B-cell malignancy
* Hypersensitivity with anaphylactic reaction to humanized monoclonal antibodies or any of the applied drugs
* Medical condition requiring prolonged (\> 1 month) use of oral corticosteroids
* Pregnant or breast feeding women
* Any coexisting medical or psychological condition that would preclude participation in the study or compromise ability to give informed consent

Answer: B