A Randomized, Double-blind, Placebo Controlled Comparison of Telmisartan Hydrochlorothiazide (HCT) and Valsartan HCT in Hypertension (HTN) Stage I/II Patients

Completed · Phase 4 · Has a placebo group

Conditions studied: Hypertension

In brief

The primary objective of this study is to compare the effectiveness of telmisartan 80 mg/hydrochlorothiazide 25 mg \[Micardis HCT\] to valsartan 160 mg/hydrochlorothiazide 25 mg \[Diovan HCT\] and placebo in the treatment of Stage 1 and Stage 2 hypertension.

Key facts

Study ID

NCT00240448

Run by

Boehringer Ingelheim

People needed

1109

Starts

2003-09-01

Last updated by the study team

2013-11-05

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Ability to provide written informed consent.
• Age 18 years or older.
• Ability to stop current antihypertensive therapy without unacceptable risk to the patient (investigator's discretion).
• Seated cuff DBP of 95 mmHg at Visit 2 (baseline).

You may not qualify if…

• Pre-menopausal women (last menstruation 1 year prior to start of run-in period) who:
• Are not surgically sterile and/or
• Are nursing or pregnant
• Are of child-bearing potential and are NOT practicing acceptable means of birth control, do NOT plan to continue using this method throughout the study and do NOT agree to submit to periodic pregnancy testing during participation in studies of > 3-months duration. Acceptable methods of birth control include oral, implantable, transdermal, or injectable contraceptives, and Intra-Uterine Device (IUD).
• Known or suspected secondary hypertension.
• Mean seated SBP >= 180 mmHg or mean seated DBP >= 120 mmHg during any clinic visit prior to randomization.
• Hepatic and/or renal dysfunction as defined by the following laboratory parameters:
• SGPT (ALT) or SGOT (AST) > 2 times the upper limit of normal range, or
• Serum creatinine > 3.0 mg/dL or creatinine clearance < 0.6 ml/sec.
• Bilateral renal artery stenosis, renal artery stenosis in a solitary kidney, post-renal transplant or with only one kidney.
• Clinically relevant hypokalemia or hyperkalemia.
• Uncorrected volume depletion.
• Uncorrected sodium depletion.
• Primary aldosteronism.
• Hereditary fructose intolerance.
• Biliary obstructive disorders, cholestasis or moderate to severe hepatic insufficiency.
• Patients who have previously experienced symptoms characteristic of angioedema during treatment with ACE inhibitors or angiotensin II receptor antagonists.
• History of drug or alcohol dependency within six months prior to start of run-in period.
• Chronic administration of any medications known to affect blood pressure, etc.
• Any investigational drug therapy within one month of start of run-in period.
• known hypersensitivity to any component of the formulation study drugs (telmisartan, valsartan, HCT).
• Contra-indication to a placebo run-in period (e.g. stroke within the past six months, MI, cardia surgery, PTCA or angina within the past three months prior to the start of run-in period.
• Any other clinical condition which, in the opinion of the principal investigator, would not allow safe completion of the protocol and safe administration of telmisartan, valsartan, or HCT.
• Night shift workers.
• Clinically significant ventricular tachycardia, atrial fibrillation, atrial flutter or other clinically relevant cardiac arrhythmias as determined by the investigator.

Where it is running

• Boehringer Ingelheim Investigational Site — Huntsville, Alabama, United States
• Boehringer Ingelheim Investigational Site — Mobile, Alabama, United States
• Boehringer Ingelheim Investigational Site — Sctoosdale, Arizona, United States
• Boehringer Ingelheim Investigational Site — Tucson, Arizona, United States
• Boehringer Ingelheim Investigational Site — Bentonville, Arkansas, United States
• Boehringer Ingelheim Investigational Site — Carlisle, Arkansas, United States
• Boehringer Ingelheim Investigational Site — Hot Springs, Arkansas, United States
• Boehringer Ingelheim Investigational Site — Concord, California, United States
• Memorial Research Medical Clinic — Long Beach, California, United States
• Boehringer Ingelheim Investigational Site — Orange, California, United States
• Boehringer Ingelheim Investigational Site — Riverside, California, United States
• Clinical Trials Research — Roseville, California, United States
• Boehringer Ingelheim Investigational Site — Sacramento, California, United States
• Boehringer Ingelheim Investigational Site — San Leandro, California, United States
• Boehringer Ingelheim Investigational Site — Santa Ana, California, United States
• Boehringer Ingelheim Investigational Site — Sepulveda, California, United States
• Boehringer Ingelheim Investigational Site — Spring Valley, California, United States
• Boehringer Ingelheim Investigational Site — Torrance, California, United States
• Boehringer Ingelheim Investigational Site — Boulder, Colorado, United States
• Boehringer Ingelheim Investigational Site — Bridgeport, Connecticut, United States
• Boehringer Ingelheim Investigational Site — Farmington, Connecticut, United States
• Clinical Research Consultants, Inc. — Trumbull, Connecticut, United States
• Boehringer Ingelheim Investigational Site — Waterbury, Connecticut, United States
• Boehringer Ingelheim Investigational Site — Newark, Delaware, United States
• Boehringer Ingelheim Investigational Site — Birmingham, Alabama, United States

Full record on ClinicalTrials.gov

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