Please select the eligibility criteria that correspond to the clinical trial below.
Title: An Eight-week, Randomized, Double-blind, Multi-center, Active-controlled, Parallel Group Study to Evaluate the Safety and Efficacy of an Aliskiren-based Regimen Compared to a Lisinopril-based Regimen in Patients With Uncomplicated Severe Hypertension
Brief Summary: To compare the safety and efficacy of an aliskiren-based regimen to a lisinopril-based regimen in the treatment of severe hypertension


Options:
A: Inclusion Criteria

* Patients with essential severe hypertension Exclusion Criteria
* History or evidence of a secondary form of hypertension
* History of hypertensive encephalopathy or cerebrovascular accident.
* Diabetic patients requiring insulin Other protocol-defined inclusion/exclusion criteria also apply
B: Inclusion Criteria

* Patients with at least 65 years-old
* Patients with essential hypertension Exclusion Criteria
* Severe hypertension
* History or evidence of a secondary form of hypertension
* History of Hypertensive encephalopathy or cerebrovascular accident. Other protocol-defined inclusion exclusion criteria also apply.
C: Inclusion Criteria:

* Male or female outpatients, 50 years of age and older with a diagnosis of essential hypertension
* Successful high quality colonoscopy at baseline including visualization of the entire colon and the cecum as confirmed by a photograph and collection of the rectal and cecal mucosal biopsy samples
* All rectal, colon or cecal polyps found at baseline colonoscopy must be completely resected endoscopically at the time of the procedure.
* Patients who are eligible and able to participate in the study, and who consent to do so after the purpose and nature of the investigation have been clearly explained to them (written informed consent).

Exclusion Criteria:

* Previously treated in an aliskiren study.
* Current evidence of inflammatory bowel disease, the presence of colonic ulcerations (or other indices of colitis of any type) or colorectal carcinoma including carcinoma in situ found at baseline colonoscopy.
* History of gastrointestinal carcinoma, Crohn's disease, ulcerative colitis, microscopic colitis.
* History of familial polyposis or hereditary nonpolyposis colorectal cancer.
* History of confirmed diverticulitis within 12 months of Visit 1.
* History of celiac disease (gluten intolerance).
* History of or current evidence on the baseline colonoscopy of melanosis coli.
D: Inclusion Criteria:

* Patients must have msDBP ≥ 90 mmHg and \< 110 mmHg at the visit immediately prior to Visit 3
* Patients must have msDBP \>OR= 95 mmHg and \< 110 mmHg at Visit 3
* Patients must have an absolute difference of \< or =10 mmHg in their mean sitting diastolic blood pressure (msDBP) from Visit 2 to Visit 3

Exclusion Criteria:

* Severe hypertension (grade 3 WHO classification; msDBP \>or= 110 mmHg and/or msSBP \>or = 180 mmHg).
* History or evidence of a secondary form of hypertension.
* History of transient ischemic cerebral attack within 12 months of visit 1.
* Current angina pectoris requiring pharmacological therapy (other than those patients on a stable dose of oral or topical nitrates)
* Type 1 or Type 2 diabetes mellitus with glycosylated hemoglobin (HbA1c) \> 8% at Visit 1.
* Known or suspected contraindications to the study medications, including history of allergy to ramipril or other ACE Inhibitors.

Other protocol-defined inclusion/exclusion criteria may apply.

Answer: A