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MK0954A-264 Filter Study (0954A-264)(COMPLETED)

This study has been completed.
Information provided by (Responsible Party):
Merck Sharp & Dohme Corp. Identifier:
First received: March 23, 2006
Last updated: April 10, 2017
Last verified: April 2017
To compare the blood pressure lowering efficacy, safety and tolerability of a combination drug to a single drug taken once daily in patients with uncontrolled blood pressure following a 4-week filter on the single therapy product.

Condition Intervention Phase
Mild to Severe Hypertension Drug: MK0954A, hydrochlorothiazide (+) losartan potassium / Duration of Treatment: 6 weeks Drug: losartan / Duration of Treatment: 6 weeks Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Parallel-Filter Study to Evaluate the Antihypertensive Efficacy and Safety of Losartan-HCTZ Combination as Compared to Losartan Monotherapy in Patients With Essential Hypertension

Resource links provided by NLM:

Further study details as provided by Merck Sharp & Dohme Corp.:

Primary Outcome Measures:
  • Losartan-HCTZ 100-12.5 mg combination will be more effective in lower mean through sitting diastolic blood pressure (SiDBP) than losartan 100 mg monotherapy after 6 weeks of treatment. [ Time Frame: 6 Weeks ]

Secondary Outcome Measures:
  • Losartan-HCTZ 100-12.5 mg combination will be more effective in lowering mean through sitting systolic blood pressure (SiSBP) after 6 weeks of treatment compared to losartan 100-mg monotherapy, and will be safe and tolerable. [ Time Frame: 6 Weeks ]

Enrollment: 274
Actual Study Start Date: December 1, 2004
Study Completion Date: June 2, 2005
Primary Completion Date: June 1, 2005 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Male and female patients with mild to severe hypertension (SiDBP 90-120 mmHg)

Exclusion Criteria:

  • Systolic BP > 200 mmHg
  • Secondary or malignant hypertension
  • Taking more than 2 antihypertensive medications
  • Hypertension induced by oral contraceptives
  • Hx of cerebral vascular accident within 6 months
  • Hx of angina, myocardial infarction, PCI, CABG, or decompensated CHF within 6 months
  • Clinically significant AV conduction disturbance or potentially life threatening ventricular arrhythmias, valvular disease, cardiomyopathy, unexplained syncope
  • History of angioedema
  • Sensitivity to AII receptor antagonists or HCTZ, nephrotic syndrome,single kidney function
  • Pregnancy or lactation.
  Contacts and Locations
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Please refer to this study by its identifier: NCT00307060

Sponsors and Collaborators
Merck Sharp & Dohme Corp.
Study Director: Medical Monitor Merck Sharp & Dohme Corp.
  More Information

Study Data/Documents: CSR Synopsis  This link exits the site

Responsible Party: Merck Sharp & Dohme Corp. Identifier: NCT00307060     History of Changes
Other Study ID Numbers: 0954A-264
Study First Received: March 23, 2006
Last Updated: April 10, 2017

Additional relevant MeSH terms:
Vascular Diseases
Cardiovascular Diseases
Antihypertensive Agents
Natriuretic Agents
Physiological Effects of Drugs
Sodium Chloride Symporter Inhibitors
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Anti-Arrhythmia Agents
Angiotensin II Type 1 Receptor Blockers
Angiotensin Receptor Antagonists processed this record on August 18, 2017