NCT00153049CompletedPhase 2
A Randomised, Double-Blind, Placebo-Controlled, 3 x 3 Factorial Trial of Telmisartan and Hydrochlorothiazide in Patients With Essential Hypertension
Conditions
Drugs
Trial Snapshot
- Phase
- Phase 2
- Status
- Completed
- Sponsor
- Boehringer Ingelheim
- Enrollment
- 583
- Locations
- 24
- Primary Endpoint
- Change from baseline in supine diastolic blood pressure (DBP) at trough (24 hours post-dose)
Study Overview
Brief Summary
- To investigate the dose response of the combination therapy, Telmisartan and Hydrochlorothiazide for the Japanese patients with Essential Hypertension.
- To compare this dose response with that in the US study.
Detailed Description
This is an 8-week multicentre, randomised, double-blind, double-dummy, placebo-controlled, parallel group study utilizing all cells of a 3 x 3 factorial design. Following Screening examinations and a 4-week Placebo Run-In Period, 540 patients will be randomized to receive once-daily monotherapy with either telmisartan (MICARDIS), hydrochlorothiazide, placebo, or combination therapy with telmisartan and hydrochlorothiazide for 8 weeks (Treatment Period).
This study includes nine cells, placebo, telmisartan (TEL) 40 mg, TEL 80 mg, hydrochlorothiazide (HCTZ) 6.25 mg, HCTZ 12.5 mg, TEL 40 mg/HCTZ 6.25 mg, TEL 40 mg/HCTZ 12.5 mg, TEL 80 mg/HCTZ 6.25 mg, and TEL 80 mg/HCTZ 12.5 mg.
Study Hypothesis:
The hypothesis is that the dose response model for the Japanese patient with essential hypertension which is constructed for the change of the supine diastolic blood pressure from the baseline value to end of treatment with the multiple regression analysis, is similar to that in the US study 502.204.
Comparison(s):
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Factorial
- Primary Purpose
- Treatment
- Masking
- Double
Eligibility Criteria
- Ages
- 20 Years to 80 Years (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- •Essential hypertensive patients who meet the following criteria:
- •Mean supine DBP >= 95 and <= 114 mm Hg at each of Visits 2 and
- •Mean supine DBP must not vary by more than 10 mm Hg between Visit 2 and Visit
- •Mean supine systolic blood pressure (SBP) must be >= 140 and <= 200 mm Hg at Visit
- •(The mean DBP and SBP values are calculated as the mean of the three supine measurements taken two minutes apart.)
- •Male or female.
- •Age >= 20 and Age <= 80 years.
- •Outpatient.
- •Able to stop current antihypertensive therapy without risk to the patient.
- •Ability to provide written Informed Consent in accordance with ?Good Clinical Practice (GCP)? (MHW Ordinance No. 28, as of Mar. 27, 1997) and the local legislation.
Exclusion Criteria
- •Known or suspected secondary hypertension (renovascular hypertension, primary aldosteronism, melanocytoma, etc.).
- •Mean supine DBP > 114 mmHg and/or mean supine SBP > 200 mmHg during any visit of the placebo run-in period.
- •Sustained ventricular tachycardia or other clinically relevant cardiac arrhythmias (atrioventricular conduction disturbance (grade II - III), atrial fibrillation etc.).
- •NYHA functional class heart failure III-IV.
- •Myocardial infarction or cardiac surgery within 6 months of signing the informed consent form.
- •Coronary artery bypass surgery or percutaneous transluminal coronary angioplasty (PTCA) within 3 months of signing the informed consent form.
- •Unstable angina within 3 months of signing the informed consent form.
- •Hypertrophic obstructive cardiomyopathy, aortic stenosis, hemodynamically relevant stenosis of aortic or mitral valve.
- •Stroke or transient ischemic attack within 6 months of signing the informed consent form.
- •History of sudden exacerbation of renal function with AT1 receptor antagonists or ACE inhibitors; post-renal transplant.
- •Patients who have previously experienced characteristic symptoms of angioedema (such as facial, tongue, pharyngeal, laryngeal swelling with dyspnea) during treatment with AT1 receptor antagonists or ACE inhibitors.
- •Known hypersensitivity to any component of the formulation, or a known hypersensitivity to sulfonamides or sulphonamide-derived drugs (e.g. thiazides).
- •Hepatic and/or renal dysfunction as defined by the following laboratory parameters:
- •SGPT(ALT) or SGOT(AST) >= 2 times the upper limit of normal at screening (Visit 1).
- •Patients who have markedly poor bile secretion by the following laboratory parameters: Patients whose direct bilirubin >= 2.0 mg/dL at screening (Visit 1).
- •Serum creatinine >= 2.1 mg/dL at screening (Visit 1).
Outcomes
Primary Outcomes
Change from baseline in supine diastolic blood pressure (DBP) at trough (24 hours post-dose)
Time Frame: after 8 weeks
Secondary Outcomes
- Change in supine systolic blood pressure (SBP) at trough (24 hours post-dose)(after 8 weeks)
- Change in sitting systolic and diastolic blood pressure at trough (24 hours post-dose)(after 8 weeks)
- DBP control rate(after 8 weeks)
- DBP response rate(after 8 weeks)
- SBP response rate(after 8 weeks)
- Incidence of adverse events(up to 8 weeks)
Investigators
Study Sites (24)
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