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Telmisartan With or Without Hydrochlorothiazide in Patients With Mild-to-moderate Hypertension

Information source: Boehringer Ingelheim
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Hypertension

Intervention: Telmisartan (Drug); Telmisartan/Hydrochlorothiazide (Drug); Placebo (Drug)

Phase: Phase 3

Status: Completed

Sponsored by: Boehringer Ingelheim


Study to demonstrate that a fixed dose combination of telmisartan 80 mg plus hydrochlorothiazide (HCTZ) 12. 5 mg (FDC 80/12. 5) is superior to telmisartan 80 mg (Telm 80) alone in patients who failed to respond adequately to Telm 80 monotherapy in lowering seated trough diastolic blood pressure (DBP) after eight weeks of treatment.

Clinical Details

Official title: An Eight Week Randomized, Double-Blind Study Comparing a Fixed Dose Combination of Telmisartan 80 mg Plus Hydrochlorothiazide 12.5 mg to Telmisartan 80 mg in Patients Who Fail to Respond Adequately to Treatment With Telmisartan 80 mg.

Study design: Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment

Primary outcome: Change from baseline in seated diastolic blood pressure (DBP) at trough

Secondary outcome:

Change from baseline in seated systolic blood pressure (SBP) at trough

Change from baseline in standing DBP and SBP at trough

Blood pressure control (seated DBP < 90 mmHg)

Systolic blood pressure response

Number of patients with abnormal findings in physical examination

Changes from baseline in heart rate

Number of patients with abnormal changes in laboratory parameters

Number of patients with abnormal changes in resting 12-lead ECG (electrocardiogram)

Orthostatic changes in blood pressure

Number of patients with adverse events


Minimum age: 18 Years. Maximum age: 80 Years. Gender(s): Both.


Inclusion Criteria:

- History of mild-to-moderate hypertension

- Patients who fail to respond adequately to telmisartan monotherapy

- Participants between 18 and 80 years of age

- Ability to provide written informed consent

Exclusion Criteria:

- Patients taking more than three anti-hypertensive medications at the screening visit

- Pre-menopausal women (last menstruation ≤ 1 year prior to start of screening)

- Who are not surgically sterile (hysterectomy, tubal ligation)

- Who are NOT practicing acceptable means of birth control or who do NOT plan to

continue using an acceptable method throughout the study

- Any women:

- Who has a positive serum pregnancy test at screening (Visit 1) or baseline

(Visit 4)

- Who is nursing

- Hepatic and/or renal dysfunction as defined by the following laboratory parameters:

- SGPT (ALT) (serum glutamate pyruvate transaminase) or SGOT (AST) (serum

glutamate oxaloacetate transaminase) greater than two times the upper limit of normal

- Serum creatinine > 2. 3 mg/dL

- Clinically relevant sodium depletion, hyperkalemia, or hypokalemia at baseline

- Known or suspected secondary hypertension

- Bilateral renal artery stenosis; renal artery stenosis in a solitary kidney;

post-renal transplant patients, presence of only one functioning kidney

- Congestive heart failure (CHF) (NYHA (New York Heart Association) class CHF III-IV)

- Unstable angina within the past three months

- Stroke within the past six months

- Myocardial infarction or cardiac surgery within the past three months

- PTCA (percutaneous transluminal coronary angioplasty) within the past three months

- History of angioedema

- Sustained ventricular tachycardia, atrial fibrillation, atrial flutter or other

clinically relevant cardiac arrhythmias as determined by the investigator

- Hypertrophic obstructive cardiomyopathy, aortic stenosis, hemodynamically relevant

stenosis of the aortic or mitral valve

- Administration of digoxin or other digitalis-type drugs

- Patients with insulin treated Type II diabetes mellitus whose diabetes has not been

stable and controlled for at least the past three months as defined by an HbA1C ≥ 10%

- Known drug or alcohol dependency within the past one year period

- Concomitant administration of medications known to affect blood pressure, except

medications allowed by the protocol

- Patients receiving any investigational therapy within one month of signing the

informed consent form. Patients who have participated in previous telmisartan studies may participate in this study provided there has been at least one month between discontinuing the previous study and signing the consent for the present study

- Known hypersensitivity to any component of the formulations

- Any clinical condition which, in the opinion of the investigator, would not allow

safe completion of the protocol and safe administration of trial medication

Locations and Contacts

Additional Information

Starting date: February 1999
Last updated: July 7, 2014

Page last updated: August 23, 2015

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