ClinicalTrials.Veeva

Menu

A Study to Investigate the Antihypertensive Efficacy of MK0954

Merck Sharp & Dohme (MSD) logo

Merck Sharp & Dohme (MSD)

Status and phase

Completed
Phase 3

Conditions

Hypertension

Treatments

Drug: losartan potassium
Drug: Comparator: Placebo
Drug: Comparator: losartan

Study type

Interventional

Funder types

Industry

Identifiers

NCT00887250
MK0954-050
2009_580

Details and patient eligibility

About

After a 4 week placebo period, patients were randomized to Placebo or Losartan 50 mg arms, after 6 weeks non-responders were up titrated to 100 mg losartan for the remaining 6 weeks. This study evaluated if losartan is more effective than placebo in lowering sitting diastolic blood pressure and is well tolerated in patients with mild to moderate hypertension.

Enrollment

366 patients

Sex

All

Ages

21+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patient has been diagnosed with mild to moderate hypertension (SDBP 95-115 mm Hg)
  • Patient has no medical problems or treatments that might effect their blood pressure

Exclusion criteria

  • Pregnant or lactating females
  • Patient has secondary hypertension or malignant hypertension
  • Sitting systolic blood pressure > 210 mm Hg
  • History of stroke
  • History of myocardial infarction with in past year
  • Current or prior history of heart failure
  • Known hypersensitivity to losartan
  • Prior exposure to losartan
  • Patients known to be HIV positive
  • Patient is abusing or has abused alcohol or other drugs within the past 4 years

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

366 participants in 3 patient groups, including a placebo group

1
Placebo Comparator group
Description:
Placebo
Treatment:
Drug: Comparator: Placebo
2
Experimental group
Description:
Losartan 50 mg for 12 weeks
Treatment:
Drug: losartan potassium
3
Experimental group
Description:
Losartan 50 mg titrated to 100 mg after 6 weeks
Treatment:
Drug: Comparator: losartan

Trial contacts and locations

0

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems