Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Randomized Phase III Study of Irinotecan Plus 5-fluorouracil Plus Leucovorin and Bevacizumab (FOLFIRI+Avastin) Versus Irinotecan Plus Capecitabine and Bevacizumab (XELIRI+Avastin) as 1st Line Treatment of Locally Advanced or Metastatic Colorectal Cancer
Brief Summary: This phase III study will compare two combinations of irinotecan, Folfiri versus Xeliri, with the addition of Avastin as 1st line treatment of colorectal cancer.


Options:
A: Inclusion Criteria:

1. Histologically-confirmed inoperable colorectal adenocarcinoma excluding vermiform appendix cancer and anal canal cancer.
2. Age ≥20 years at the time of informed consent
3. ECOG performance status (PS) of 0-2
4. Written informed consent prior to study-specific screening procedures
5. Life expectancy of at least 90 days
6. Withdrawal from first-line chemotherapy (regardless of containing molecular-targeted drugs) for metastatic colorectal cancer due to intolerable toxicity or progressive disease, or relapse within 180 days after the last dose of adjuvant chemotherapy.
7. Adequate organ function according to following laboratory values obtained within 14 days before enrolment (excluding patients who received blood transfusions or hematopoietic growth factors within 14 days before the laboratory test) Neutrophil count: ≥1500/mm3 Platelet count: ≥10.0 x 104/mm3 Hemoglobin: ≥9.0 g/dL Total bilirubin: ≤1.5 mg/dL AST, ALT: ≤100 IU/L (≤200 IU/I if liver metastases present) Serum creatinine: ≤1.5 mg/dL

Exclusion Criteria:

1. History of other malignancy with a disease-free interval \<5 years (other than curatively treated cutaneous basal cell carcinoma, curatively treated carcinoma in situ of the cervix, and gastroenterological cancer confirmed to be cured by endoscopic mucosal resection)
2. With massive pleural effusion or ascites requiring intervention
3. Radiological evidence of brain tumor or brain metastases
4. Active infection including hepatitis
5. Any of the following complication:

   i) Gastrointestinal bleeding or gastrointestinal obstruction (including paralytic ileus) ii) Symptomatic heart disease (including unstable angina, myocardial infarction, and heart failure) iii) Interstitial pneumonia or pulmonary fibrosis iv) Uncontrolled diabetes mellitus v) Uncontrolled diarrhea (that interferes with daily activities despite adequate therapy)
6. Any of the following medical history:

   Myocardial infarction: History of one episode within one year before enrollment or two or more lifetime episodes i) Serious hypersensitivity to any of the study drugs ii) History of adverse reaction to fluoropyrimidines suggesting dihydropyrimidine dehydrogenase (DPD) deficiency
7. Previous treatment with irinotecan hydrochloride
8. Current treatment with atazanavir sulfate
9. Previous treatment with tegafur, gimeracil, and oteracil potassium within seven days before enrollment
10. Pregnant or lactating females, and males and females unwilling to use contraception
11. Requires continuous treatment with systemic steroids
12. Psychiatric disability that would preclude study compliance
13. Otherwise determined by the investigator to be unsuitable for participation in the study
14. Concurrent gastrointestinal perforation or history of gastrointestinal perforation with 1 year before enrollment
15. History of pulmonary hemorrhage/hemoptysis ≥ Grade 2 (defined as bright red blood of at least 2.5mL) within 1 month prior to enrollment.
16. History of laparotomy, thoracotomy, or intestinal resection within 28 days before enrollment
17. Unhealed wound (except suture wounds from implantation of a central venous port), gastrointestinal ulcer, or traumatic fracture
18. Current or recent (within 1 year) thromboembolism or cerebrovascular disease
19. Currently receiving or requires anticoagulation therapy (\> 325 mg/day of aspirin)
20. Bleeding diathesis, coagulopathy, or coagulation factor abnormality (INR ≥1.5 within 14 days before enrollment)
21. Uncontrolled hypertension
22. Urine dipstick for proteinuria \>+2
B: Inclusion Criteria:

* Histologically confirmed locally advanced or metastatic colorectal cancer
* Measurable or evaluable disease
* ECOG performance status ≤ 2
* Age 18 - 72 years
* Adequate liver (Bilirubin ≤ 1.5 UNL, SGOT/SGPT ≤ 4 UNL, ALP ≤ 2.5 UNL), renal (Creatinine ≤ 1.5 UNL) and bone marrow (ANC ≥ 1,500/mm3, PLT ≥ 100,000/mm3) function
* Patients with history of hemoptysis or with increased risk of thromboembolic events should be observed carefully due to administration of Avastin
* Patients must be able to understand the nature of this study
* Written informed consent

Exclusion Criteria:

* Previous 1st line chemotherapy
* Adjuvant chemotherapy with Irinotecan regimen with relapse \< 6 months after the completion
* Active infection
* History of serious cardiac disease (unstable angina, congestive heart failure, myocardial infarction within the previous 6 months, ventricular arrhythmias)
* Previous radiotherapy within the last 4 weeks or \> 25% of bone marrow
* Patients with unstable CNS metastases
* Patients with chronic diarrhea (at least for 3 months) or partial bowel obstruction
* Second primary malignancy, except for non-melanoma skin cancer and in situ cervical cancer
* Psychiatric illness or social situation that would preclude study compliance
* Pregnant or lactating women
* Patients \> 65 years with history of arterial thromboembolic, myocardial infarction, unstable angina and pulmonary embolism
C: Inclusion Criteria:

* Adult patients, \>=18 years of age
* Metastatic colorectal cancer and disease progression
* Previously treated with first-line chemotherapy plus Avastin
* Eastern Cooperative Oncology Group (ECOG) performance status \<=2.

Exclusion Criteria:

* Diagnosis of progression of disease more than 3 months after last Avastin administration
* First-line patients with progression-free survival in first-line of \<3 months
* Patients receiving less than 3 consecutive months of Avastin in first-line therapy
* Past or current history (within the last 2 years prior to treatment start) of other malignancies, except for curatively treated basal and squamous cell cancer of the skin or in situ cancer of the cervix
* Clinically significant cardiovascular disease within 6 months prior to start of study treatment
* Known central nervous system (CNS) disease, except for treated CNS metastases as defined by protocol
D: Inclusion Criteria:

* Histologically or cytologically confirmed colorectal cancer, excluding primary tumors of appendiceal origin (participants are eligible to enroll irrespective of KRAS mutation status)
* Confirmed metastatic colorectal cancer (Stage IV)
* The participant has received first-line combination therapy of bevacizumab, oxaliplatin, and a fluoropyrimidine for metastatic disease and, a) Experienced radiographic disease progression during first-line therapy, or b) Experienced radiographic disease progression ≤6 months after the last dose of first-line therapy, or c) Discontinued part or all of first-line therapy due to toxicity and experienced radiographic disease progression ≤6 months after the last dose of first-line therapy. Note that a participant must have received a minimum of 2 doses of bevacizumab as part of a first-line regimen containing chemotherapy; in addition, a participant must have received at least 1 cycle of first-line therapy that included bevacizumab, oxaliplatin and a fluoropyrimidine in the same cycle. Note that a participant must not have received more than 2 different fluoropyrimidines as part of a first-line regimen; disease progression is not an acceptable reason for discontinuing 1 fluoropyrimidine and starting a second fluoropyrimidine
* Receipt of no more than 2 prior systemic chemotherapy regimens in any setting (only 1 prior regimen for metastatic disease is permitted). For participants with rectal cancer, sequential neoadjuvant and adjuvant therapy will count as a single systemic regimen. Note that rechallenge with oxaliplatin is permitted and will be considered part of the first-line regimen for metastatic disease, both initial oxaliplatin treatment and subsequent rechallenge are considered as 1 regimen
* Measurable or nonmeasurable disease based on the Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST v1.1)
* Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1
* Adequate hematologic, renal and hepatic function
* Adequate coagulation function \[International Normalized Ratio (INR) ≤1.5 and Partial Thromboplastin Time (PTT) or activated PTT (aPTT) ≤1.5 x upper limit of normal (ULN)). Participants on full-dose anticoagulation must be on a stable dose of anticoagulant therapy and if on oral anticoagulation, must have an INR ≤3 and have no clinically significant active bleeding or pathological condition that carries a high risk of bleeding
* Consent to provide a historical colorectal cancer tissue sample for assessment of biomarkers and the tumor tissue sample is available
* Ability to provide signed informed consent

Exclusion Criteria:

* Receipt of bevacizumab ≤28 days prior to randomization
* Receipt of any investigational therapy for non-oncology clinical indication ≤28 days prior to randomization
* Receipt of any previous systemic therapy, other than a combination of bevacizumab, oxaliplatin, and a fluoropyrimidine, for first-line treatment of metastatic colorectal cancer
* Known leptomeningeal disease or brain metastases or uncontrolled spinal cord compression (currently or in the past)
* Experience of any arterial thrombotic or arterial thromboembolic events, including, but not limited to, myocardial infarction, transient ischemic attack, or cerebrovascular accident, ≤12 months prior to randomization
* Pregnant (confirmed by serum beta human chorionic gonadotropin (ß HCG) test ≤7 days prior to randomization) or lactating
* History of inflammatory bowel disease or Crohn's disease requiring medical intervention (immunomodulatory or immunosuppressive medications or surgery) ≤12 months prior to randomization
* Acute or subacute bowel obstruction or history of chronic diarrhea which is considered clinically significant in the opinion of the investigator
* Grade 3 or higher bleeding event ≤3 months prior to randomization
* Experience of any of the following during first-line therapy with a bevacizumab-containing regimen: an arterial thrombotic/thromboembolic event, Grade 4 hypertension, Grade 3 proteinuria, a Grade 3-4 bleeding event, or bowel perforation
* Known history or clinical evidence of Gilbert's Syndrome, or is known to have any of the following genotypes: UGT1A1\*6/\*6, UGT1A1\*28/\*28, or UGT1A1\*6/\*28
* Known allergy to any of the study treatment components, including any components used in the preparation of ramucirumab, or other contraindication to receive the study treatments
* Cirrhosis at a level of Child-Pugh B (or worse) or cirrhosis (any degree) and a history of hepatic encephalopathy or clinical meaningful ascites resulting from cirrhosis; Clinically meaningful ascites is defined as ascites resulting from cirrhosis and requiring ongoing treatment with diuretics and/or paracentesis

Answer: B