Please select the eligibility criteria that correspond to the clinical trial below.
Title: An 8-week Multi-center, Dose Escalation Study to Evaluate the Efficacy and Safety of Aliskiren (150 mg and 300 mg) Administered Alone and in Combination With Valsartan (160 mg and 320 mg) in Patients With Hypertension
Brief Summary: To evaluate the efficacy and safety of aliskiren alone and in combination with valsartan given to patients with essential hypertension


Options:
A: Inclusion Criteria:

* Patients with essential hypertension

Exclusion Criteria:

* Severe hypertension
* History or evidence of a secondary form of hypertension
* History of myocardial infarction.
* Other protocol-defined inclusion exclusion criteria also apply.
B: Inclusion Criteria

* Patients with essential hypertension
* Patients who are eligible and able to participate in the study

Exclusion Criteria

* Severe hypertension
* History or evidence of a secondary form of hypertension
* History of Hypertensive encephalopathy or cerebrovascular accident

Other protocol-defined exclusion criteria may apply.
C: Inclusion Criteria:

* Male or female aged 18 to 75 years (females of child bearing potential must be using adequate contraceptive precautions)
* Females of childbearing potential or within two years of the menopause must have a negative urine pregnancy test at enrolment visit
* Patients with mild to moderate uncomplicated essential hypertension with a trough mean sitting DBP ≥ 90 mmHg and/or SBP ≥ 140 mmHg or pretreated arterial hypertension
* Written informed consent
* Agreement to attend all study visits as planned in the protocol
* Agreement to perform routinely self home blood pressure measurements as well as keep a blood pressure diary throughout the study and to inform the investigator if BP exceeds cutt off criteria given in the ICF

Exclusion Criteria:

* In the investigator's opinion the patient can not be withdrawn from their current antihypertensive medication
* Secondary hypertension (e.g. patients with hyperaldosteronism, pheochromocytoma, renal artery stenosis, renal parenchymal disease, coarctation of the aorta, Cushing's disease syndrome)
* Severe essential hypertension (systolic blood pressure ≥ 180 mmHg and/or diastolic blood pressure ≥ 110 mmHg) or treatment resistant hypertension (3 antihypertensive drugs and still SBP ≥ 140mmHg and/or DBP ≥ 90mmHg)
* History of hypertensive encephalopathy or intracerebral hemorrhage
* Diabetes mellitus Type 1 or Type 2
* History of epilepsia (no retinal exam possible)
* Eye cataract (no retinal exam possible)
* History of the following within the last six months: myocardial infarction, unstable angina pectoris, percutaneous coronary intervention, heart failure
* Presence of significant renal, respiratory, hepatic, gastrointestinal, endocrine or metabolic, immunological, haematological or oncological, neurological and psychiatric diseases or dysfunction
* Impaired renal function as shown by estimated GFR (abbreviated MDRD formula) \< 45 ml/min/1.73 m2
* Impaired hepatic function as shown by transaminases higher than three times the upper normal limit
* Known allergy or a known intolerance to any ARB or Aliskiren
* Females who are pregnant or lactating or who are not on an adequate contraception (Pearl-Index ≥ 1 %)
* Use of any investigational drug within 28 days before study entry
* Patients previously enrolled into the study
* History of drug, medication abuse.
* Serious disorders which may limit the ability to evaluate the efficacy or safety of the test drug(s), including cerebrovascular, cardiovascular, renal, respiratory, hepatic, gastrointestinal, endocrine or metabolic, immunological, haematological or oncological, neurological and psychiatric diseases
* Subject is the investigator or any subinvestigator, research assistant, pharmacist, study coordinator, other staff or relative thereof directly involved in the conduct of the protocol
* Mental conditions rendering the subject unable to understand the nature, scope and possible consequences of the study
* Subject unlikely to comply with protocol, e.g. uncooperative attitude, inability to return for follow-up visits and unlikelihood of completing the study
* Subject who do not give written consent, that pseudonymous data will be transferred in line with the duty of documentation and the duty of notification according to § 12 and § 13 GCP-V
D: Inclusion Criteria: Patients, both males and females, were eligible if they were ≥ 45 years of age, with previously documented cardiovascular disease, defined as at least one of the following: myocardial infarction (MI), cerebrovascular accident (CVA), coronary bypass surgery and/or percutaneous intervention, peripheral arterial disease (PAD), defined as ankle brachial index (ABI) \<0.9 and/or prior peripheral intervention/surgery. Subjects on angiotensin-converting enzyme inhibitor (ACEI) or angiotensin receptor blockers (ARB) therapy were eligible to participate, provided no dose adjustments were made during the course of the study.

Exclusion Criteria: Contraindications to the MRI exam (pacemakers, metallic implants, severe claustrophobia); diagnosis of Type II Diabetes or use of hypoglycemic drugs; uncontrolled hypertension (\>145/90 mm Hg); low density lipoprotein (LDL) of ≥ 130mg/dL; renal insufficiency defined as glomerular filtration rate (GFR) ≤ 40 ml/minute (derived by the Modified Diet in Renal Disease (MDRD) equation); initiation of new therapy with statins, ACEI/ARBs, anti-oxidants, calcium channel blockers, diuretics, β blockers; transient ischemic cerebral attack during the prior 6 months; history of allergy to renin inhibitors; unstable cardiac syndromes; symptomatic arrhythmias; history of malignancy including leukemia and lymphoma (but not basal cell skin cancer, cured squamous cell cancer and localized prostate cancer) and history of allergy to renin inhibitors.

Answer: B