Please select the eligibility criteria that correspond to the clinical trial below.
Title: An Open-labeled, International, Multicenter, Dose Escalating, Phase I/II Trial of HuMax-CD20, a Fully Human Monoclonal Anti-CD20 Antibody, in Patients With Relapsed or Refractory Chronic Lymphocytic Leukemia
Brief Summary: The purpose of this trial is to determine the safety and efficacy of HuMax-CD20 as a treatment for Chronic Lymphocytic Leukemia.


Options:
A: Inclusion Criteria:

* Diagnosis of CLL per diagnostic criteria for relapsed or refractory CLL per the international workshop on chronic lymphocytic leukemia (iwCLL) guidelines
* Previously treated with 1-3 lines of therapy (example: completed greater than or equal to \[\>/=\] 2 treatment cycles per therapy), including at least one standard chemotherapy-containing regimen
* Participants previously treated with bendamustine only if their duration of response was \>/= 24 months
* Eastern Cooperative Oncology Group (ECOG) performance score of less than or equal to (\</=) 1
* Adequate bone marrow function
* Adequate renal and hepatic function
* Participants must use effective birth control throughout study until at least 30 days after study treatment or 1 year after rituximab treatment, whichever is later; female participants must not be pregnant or breast-feeding
* For participants with the 17p deletion, previously treated with 1-3 lines of therapy, including at least one prior standard chemotherapy-containing regimen or at least one prior alemtuzumab-containing therapy

Inclusion Criteria R/C Substudy:

* Participants randomized to Arm A or Arm B with a confirmed disease progression of CLL per iwCLL criteria
* Participants who have not received new anti-CLL therapy following disease progression in Arm A or Arm B
* Adequate renal and hepatic function per laboratory reference range

Exclusion Criteria:

* Transformation of CLL to aggressive non-Hodgkin lymphoma or central nervous system (CNS) involvement by CLL
* Undergone an allogenic stem cell transplant
* A history of significant renal, neurologic, psychiatric, endocrine, metabolic, immunologic, cardiovascular or hepatic disease
* Hepatitis B or C or known human immunodeficiency virus (HIV) positive
* Receiving warfarin treatment
* Received an anti-CLL monoclonal antibody within 8 weeks prior to the first dose of study drug
* Received any anti-cancer or investigational therapy within 28 days prior to the first dose of study drug or has not recovered to less than Grade 2 clinically significant adverse effect(s)/toxicity(ies) of any previous therapy
* Received cytochrome P450 3A4 (CYP3A4) inhibitors (such as fluconazole, ketoconazole and clarithromycin) or inducers (such as rifampin, carbamazapine, phenytoin, St. John's Wort) within 7 days prior to the first dose of venetoclax
* History of prior venetoclax treatment
* Participants with another cancer, history of another cancer considered uncured on in complete remission for \<5 years, or currently under treatment for another suspected cancer except non-melanoma skin cancer or carcinoma in situ of the cervix that has been treated or excised and is considered resolved
* Malabsorption syndrome or other condition that precludes enteral route of administration
* Other clinically significant uncontrolled condition(s) including, but not limited to, systemic infection (viral, bacterial or fungal)
* Vaccination with a live vaccine within 28 days prior to randomization
* Consumed grapefruit or grapefruit products, seville oranges (including marmalade containing seville oranges), or star fruit within 3 days prior to the first dose of study treatment
* A cardiovascular disability status of New York Heart Association Class \>/=3. Class 3 is defined as cardiac disease in which participants are comfortable at rest but have marked limitation of physical activity due to fatigue, palpitations, dyspnea, or anginal pain
* Major surgery within 30 days prior to the first dose of study treatment
* A participant who is pregnant or breastfeeding
* Known allergy to both xanthine oxidase inhibitors and rasburicase

Exclusion Criteria R/C Substudy:

* Transformation of CLL to aggressive NHL (e.g., Richter's transformation, prolymphocytic leukemia, or DLBCL) or CNS involvement by CLL
* Evidence of other clinically significant uncontrolled condition(s) including, but not limited to, uncontrolled systemic infection (viral, bacterial, or fungal)
* Development of other malignancy since enrollment into the study, with the exception of curatively treated basal cell carcinoma or squamous cell carcinoma of the skin or carcinoma in situ of the cervix
* Uncontrolled autoimmune hemolytic anemia or immune thrombocytopenia
* History of severe (i.e., requiring permanent discontinuation of prior rituximab therapy) prior allergic or anaphylactic reactions to rituximab
* Known HIV positivity
* Positive test results for chronic hepatitis B infection (defined as positive hepatitis B surface antigen \[HbsAg\] serology)
* Positive test results for hepatitis C virus (HCV; HCV antibody serology testing)
* Requires the use of warfarin (due to potential drug interactions that may potentially increase the exposure of warfarin)
* Has not recovered to less than Grade 2 clinically significant adverse effect(s)/toxicity(ies) of any previous therapy
* Received potent CYP3A4 inhibitors (such as fluconazole, ketoconazole, and clarithromycin) within 7 days prior to the first dose of study treatment
* Received potent CYP3A4 inducers (such as rifampin, carbamazepine, phenytoin, St. John's wort) within 7 days prior to the first dose of study treatment
* Consumed grapefruit or grapefruit products, Seville oranges (including marmalade containing Seville oranges), or star fruit within 3 days prior to the first dose of study treatment
* A cardiovascular disability status of New York Heart Association Class \>/= 3
* A significant history of renal, neurologic, psychiatric, endocrine, metabolic, immunologic, cardiovascular, or hepatic disease that, in the opinion of the investigator, would adversely affect the participants's participation in this study or interpretation of study outcomes
* Major surgery within 30 days prior to the first dose of study treatment
* A participant who is pregnant or breastfeeding
* Malabsorption syndrome or other condition that precludes enteral route of administration
* Known allergy to both xanthine oxidase inhibitors and rasburicase
* Vaccination with a live vaccine within 28 days prior to randomization
B: Inclusion Criteria:

* Chronic Lymphocytic Leukemia
* Circulating lymphocytes above a specific level
* Circulating lymphocytes showing certain markers

Exclusion Criteria:

* Previous treatment with rituximab or alemtuzumab within 6 months prior to enrollment in study.
* Previous stem cell transplantation.
* Received any of the following treatments within 4 weeks prior to entering this trial: A) Anti-cancer therapy, B) Glucocorticoids unless less than 10 mg per day, C) Radiotherapy.
* HIV positivity.
* Hepatitis B or hepatitis C.
* Other cancerous diseases, except certain skin cancers and cervix cancer.
* Certain serious medical conditions, including kidney or liver disease, some psychiatric illnesses, and stomach, heart, hormonal, nerve or blood diseases.
* Participation in another trial with a different new drug 4 weeks prior to enrollment in study.
* Current participation in any other clinical study.
* Pregnant or breast-feeding women.
* Women of childbearing age who are unable or unwilling to use adequate contraception.
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 (CD23+, CD5+, CD19+, CD20+)
* Treatment indication according to NCI criteria
* Age \>= 18 yrs
* No previous treatment of CLL by chemo-, radio- or immunotherapy
* Life expectancy \> 6 months
* Written informed consent
* Women of non-childbearing potential or women of childbearing potential and men using effective contraception

Exclusion Criteria:

* Active bacterial, viral or fungal infection
* Positivity for HIV, Hepatitis B or C
* Reduce organ functions and bone marrow dysfunction not due to CLL
* Creatinine clearance below 30 ml/min
* Patients with medical conditions requiring long-term use of systemic corticosteroids during study treatment
* Patients with a history of severe cardiac disease
* Other known co-morbidity with the potential to dominate survival
* Transformation to aggressive B-cell malignancy
* Known hypersensitivity to humanised monoclonal antibodies or any of the study drugs
* Pregnant or breast-feeding women
* Any co-existing medical or psychological condition that would preclude participation in the study or compromise ability to give informed consent

Answer: B