NCT00543413

Brief Summary

This study will evaluate the effectiveness and tolerability of MK8141 in lowering blood pressure in patients who have hypertension (high blood pressure).

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
160

participants targeted

Target at P50-P75 for phase_2 hypertension

Timeline
Completed

Started Oct 2007

Shorter than P25 for phase_2 hypertension

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2007

Completed
4 days until next milestone

First Submitted

Initial submission to the registry

October 5, 2007

Completed
10 days until next milestone

First Posted

Study publicly available on registry

October 15, 2007

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2008

Completed
Last Updated

October 16, 2015

Status Verified

October 1, 2015

Enrollment Period

8 months

First QC Date

October 5, 2007

Last Update Submit

October 15, 2015

Conditions

Outcome Measures

Primary Outcomes (1)

  • To measure the tolerability and effectiveness of MK8141 in lowering 24-hour mean ambulatory blood pressure versus placebo after 4 weeks of treatment.

    after 4 weeks of treatment

Secondary Outcomes (1)

  • Compare MK8141 versus placebo in lowering 24-hour mean sitting blood pressure by ambulatory blood pressure monitoring and in lowering trough mean sitting diastolic and systolic blood pressure after 4 weeks of treatment.

    after 4 weeks of treatment

Study Arms (4)

1

EXPERIMENTAL

Arm 1: Drug 250 mg

Drug: MK8141

2

EXPERIMENTAL

Arm 2: Drug 500 mg

Drug: MK8141

3

ACTIVE COMPARATOR

Arm 3: Active Comparator

Drug: Enalapril

4

PLACEBO COMPARATOR

Arm 4: Pbo Comparator

Drug: Comparator: placebo (unspecified)

Interventions

MK8141DRUG

MK8141 250 mg tablet once daily; 500 mg tablet once daily 4 week treatment period

12

MK8141 Pbo tablet once daily. 4 week treatment period.

4

Enalapril 20 mg tablet once daily. 4 week treatment period.

Also known as: Vasotec®
3

Eligibility Criteria

Age35 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • You are 35 to 65 years of age
  • In the past 14 days you have not been treated for hypertension
  • In the past 14 days you have not taken more than 2 medications to treat high blood pressure
  • You are a woman who is not able to have children or do not use birth control

You may not qualify if:

  • You are taking more than 2 medications to treat high blood pressure
  • You have a history of a stroke, transient ischemic attack (TIA), heart attack, congestive heart failure, coronary artery bypass surgery
  • You have Type 1 or 2 diabetes mellitus
  • You have an active liver disease, gallbladder disease, or bowel disease
  • You are HIV positive
  • You have certain types of cancer
  • You abuse drug or alcohol
  • You have participated in another clinical study in last 4 weeks

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Jones-Burton C, Rubino J, Roy S, Mai Y, Meehan A, Bellet M, Feig P. Effects of the renin inhibitor MK-8141 (ACT-077825) in patients with hypertension. J Am Soc Hypertens. 2010 Sep-Oct;4(5):219-26. doi: 10.1016/j.jash.2010.06.006. Epub 2010 Aug 12.

MeSH Terms

Conditions

Hypertension

Interventions

MK-8141EnalaprilEnalaprilat

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

DipeptidesOligopeptidesPeptidesAmino Acids, Peptides, and Proteins

Study Officials

  • Medical Monitor

    Merck Sharp & Dohme LLC

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 5, 2007

First Posted

October 15, 2007

Study Start

October 1, 2007

Primary Completion

June 1, 2008

Study Completion

June 1, 2008

Last Updated

October 16, 2015

Record last verified: 2015-10