Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Twenty Six-week, Dose Titration Study to Evaluate the Efficacy and Safety of Aliskiren Compared to HCTZ With the Optional Addition of Amlodipine, Followed by a Second Twenty Six Weeks of Blinded Treatment, in Patients With Essential Hypertension
Brief Summary: This study is designed to compare the long-term efficacy and safety of an aliskiren based regimen to an HCTZ based treatment regimen with optional addition of amlodipine in patients with essential hypertension


Options:
A: Arm Label: 1; Type: EXPERIMENTAL; Interventions: Drug: olmesartan medoxomil | Arm Label: 2; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo Tablets | Intervention Type: DRUG; Name: olmesartan medoxomil; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: Placebo Tablets; Assigned to Arm(s): 2
B: Intervention Type: DRUG; Name: Aliskiren; Assigned to Arm(s): N/A
C: Arm Label: Aggrenox, Clopidogrel placebo, Micardis; Type: PLACEBO_COMPARATOR; Interventions: Drug: Aggrenox, Drug: Clopidogrel placebo, Drug: Micardis | Arm Label: Aggrenox placebo, clopidogrel,, Micardis; Type: PLACEBO_COMPARATOR; Interventions: Drug: Micardis, Drug: Aggrenox placebo, Drug: Clopidogrel | Arm Label: Aggrenox, clop placebo, micardis placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Aggrenox, Drug: Clopidogrel placebo, Drug: Micardis placebo | Arm Label: Aggrenox plcebo, clop, micardis placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Aggrenox placebo, Drug: Clopidogrel, Drug: Micardis placebo | Intervention Type: DRUG; Name: Aggrenox; Assigned to Arm(s): Aggrenox, Clopidogrel placebo, Micardis | Intervention Type: DRUG; Name: Aggrenox; Assigned to Arm(s): Aggrenox, clop placebo, micardis placebo | Intervention Type: DRUG; Name: Clopidogrel placebo; Assigned to Arm(s): Aggrenox, Clopidogrel placebo, Micardis | Intervention Type: DRUG; Name: Clopidogrel placebo; Assigned to Arm(s): Aggrenox, clop placebo, micardis placebo | Intervention Type: DRUG; Name: Micardis; Assigned to Arm(s): Aggrenox, Clopidogrel placebo, Micardis | Intervention Type: DRUG; Name: Micardis; Assigned to Arm(s): Aggrenox placebo, clopidogrel,, Micardis | Intervention Type: DRUG; Name: Aggrenox placebo; Assigned to Arm(s): Aggrenox placebo, clopidogrel,, Micardis | Intervention Type: DRUG; Name: Aggrenox placebo; Assigned to Arm(s): Aggrenox plcebo, clop, micardis placebo | Intervention Type: DRUG; Name: Clopidogrel; Assigned to Arm(s): Aggrenox placebo, clopidogrel,, Micardis | Intervention Type: DRUG; Name: Clopidogrel; Assigned to Arm(s): Aggrenox plcebo, clop, micardis placebo | Intervention Type: DRUG; Name: Micardis placebo; Assigned to Arm(s): Aggrenox, clop placebo, micardis placebo | Intervention Type: DRUG; Name: Micardis placebo; Assigned to Arm(s): Aggrenox plcebo, clop, micardis placebo
D: Arm Label: Valsartan 160 mg + nateglinide 60 mg; Type: EXPERIMENTAL; Interventions: Drug: Valsartan 160 mg + nateglinide 60 mg | Arm Label: Valsartan 160 mg + nateglinide placebo; Type: EXPERIMENTAL; Interventions: Drug: Valsartan 160 mg + nateglinide placebo | Arm Label: Nateglinide 60 mg + valsartan placebo; Type: EXPERIMENTAL; Interventions: Drug: Nateglinide 60 mg + valsartan placebo | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Valsartan placebo + nateglinide placebo | Intervention Type: DRUG; Name: Valsartan 160 mg + nateglinide 60 mg; Assigned to Arm(s): Valsartan 160 mg + nateglinide 60 mg | Intervention Type: DRUG; Name: Valsartan 160 mg + nateglinide placebo; Assigned to Arm(s): Valsartan 160 mg + nateglinide placebo | Intervention Type: DRUG; Name: Nateglinide 60 mg + valsartan placebo; Assigned to Arm(s): Nateglinide 60 mg + valsartan placebo | Intervention Type: DRUG; Name: Valsartan placebo + nateglinide placebo; Assigned to Arm(s): Placebo

Answer: B