~34 spots leftby Apr 2026

PROBE Parallel 6-week Treatment Comparing Telmisartan/Hydrochlorothiazide (HCT) (40/12.5 or 80/12.5) With Losartan/HCT (50/12.5) Using Ambulatory Blood Pressure Monitoring (ABPM)

Recruiting in Palo Alto (17 mi)
+68 other locations
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 4
Waitlist Available
Sponsor: Boehringer Ingelheim
No Placebo Group
Prior Safety Data

Trial Summary

What is the purpose of this trial?

To demonstrate that Telmisartan combined with Hydrochlorothiazide (MICARDIS® HCT) is superior to Losartan with Hydrochlorothiazide (Hyzaar®) in lowering blood pressure in mild-moderate hypertensives.

Research Team

BI

Boehringer Ingelheim Study Coordinator

Principal Investigator

Boehringer Ingelheim

Eligibility Criteria

Inclusion Criteria

Ability to provide written informed consent in accordance with GCP and local legislation.
Mild-to-moderate hypertension defined as a mean seated DBP of >= 95 mm Hg and <=l to 109 mm Hg, measured by manual cuff sphygmomanometer at Visit 2.
Male or Female >= 18 years.
See 2 more

Treatment Details

Interventions

  • Losartan/Hydrochlorothiazide (Hyzaar®) (Angiotensin II Receptor Blocker with Diuretic)
  • Telmisartan/Hydrochlorothiazide (MICARDIS® HCT) (Angiotensin II Receptor Blocker with Diuretic)

Find a Clinic Near You

Who Is Running the Clinical Trial?

Boehringer Ingelheim

Lead Sponsor

Trials
2,566
Recruited
16,150,000+