NCT00772499

Brief Summary

The purpose of this study is to compare in patients with primary hypertension, the non-blood pressure lowering effects of one-year therapy with olmesartan medoxomil vs. those of atenolol on changes in the vascular structure and function.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
100

participants targeted

Target at P25-P50 for phase_4 hypertension

Timeline
Completed

Started Nov 2002

Typical duration for phase_4 hypertension

Geographic Reach
1 country

1 active site

Status
completed

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2002

Completed
2.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2005

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2005

Completed
3.3 years until next milestone

First Submitted

Initial submission to the registry

October 13, 2008

Completed
2 days until next milestone

First Posted

Study publicly available on registry

October 15, 2008

Completed
Last Updated

October 15, 2008

Status Verified

October 1, 2008

Enrollment Period

2.7 years

First QC Date

October 13, 2008

Last Update Submit

October 14, 2008

Conditions

Outcome Measures

Primary Outcomes (1)

  • Subcutaneous gluteal fat arteriole measurements prior to and after 52 weeks of therapy

    52 weeks

Secondary Outcomes (14)

  • Results of vascular function tests

    12 weeks

  • Results of vascular function tests

    28 weeks

  • Results of vascular function tests

    52 weeks

  • Measurement of serum lipid and markers of atherosclerosis

    12 weeks

  • Measurement of serum lipid and markers of atherosclerosis

    28 weeks

  • +9 more secondary outcomes

Study Arms (2)

1

EXPERIMENTAL

olmesartan medoxomil tablets with added doses of hydrochlorothiazide, amlodipine, or hydralazine, if required to maintain target blood pressure

Drug: olmesartan medoxomil + hydrochlorothiazide + amlodipine + hydralazine if necessary to control blood pressure

2

ACTIVE COMPARATOR

Atenolol tablets with added doses of hydrochlorothiazide, amlodipine, or hydralazine, if required to maintain target blood pressure

Drug: atenolol+ hydrochlorothiazide + amlodipine + hydralazine if necessary to control blood pressure

Interventions

Tablets and capsules for oral administration once or twice daily for up to 52 weeks

1

Tablets and capsules for oral administration once or twice daily for up to 52 weeks

2

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Male or female
  • years of age
  • Mean seated diastolic BP 90-109 or mean seated systolic BP of 140-179

You may not qualify if:

  • Secondary hypertension
  • Renal disease
  • Diabetes mellitus
  • Serum creatinine \>3.0 mg/dL
  • Hemoglobin \<10 mg/dL (males) or \<9mg/dL (females)
  • WBC count \<2000 cells/mL
  • Platelet count \<100,000 cells/mL
  • Either ALT \& AST \>2.5 x upper limit of normal
  • BMI \>35 kg/m2
  • TIA or cerebrovascular attack within 3 months of study entry

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Wake Forest University Baptist Medical Center

Winston-Salem, North Carolina, 27157, United States

Location

MeSH Terms

Conditions

Hypertension

Interventions

Olmesartan MedoxomilHydrochlorothiazideAmlodipine

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

ImidazolesAzolesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsTetrazolesChlorothiazideBenzothiadiazinesSulfonamidesSulfonesSulfur CompoundsOrganic ChemicalsThiazidesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingDihydropyridinesPyridines

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

October 13, 2008

First Posted

October 15, 2008

Study Start

November 1, 2002

Primary Completion

July 1, 2005

Study Completion

July 1, 2005

Last Updated

October 15, 2008

Record last verified: 2008-10

Locations