NCT00091598

Brief Summary

The primary objective is to determine the effect of ambrisentan on exercise capacity in subjects with PAH.

Trial Health

90
On Track

Trial Health Score

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

Enrollment
372

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Jan 2004

Geographic Reach
3 countries

46 active sites

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

January 1, 2004

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

September 10, 2004

Completed
4 days until next milestone

First Posted

Study publicly available on registry

September 14, 2004

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2006

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2006

Completed
Last Updated

March 8, 2010

Status Verified

March 1, 2010

Enrollment Period

2.1 years

First QC Date

September 10, 2004

Last Update Submit

March 4, 2010

Conditions

Keywords

Pulmonary Arterial Hypertension

Outcome Measures

Primary Outcomes (1)

  • Change from baseline at Week 12 of six minute walk distance

Secondary Outcomes (5)

  • Change from baseline at Week 12 of:

  • Borg Dsypnea Index

  • WHO Functional Classification

  • SF-36

  • Time to Clinical Worsening

Interventions

Eligibility Criteria

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

You may qualify if:

  • Diagnosis of idiopathic PAH (formally known as PPH), or PAH associated with collagen vascular disease, anorexigen use, or HIV infection;
  • Historical cardiac catheterization with the following hemodynamic criteria:
  • Mean pulmonary artery pressure greater than or equal to 25 mmHg; Pulmonary vascular resistance greater than 3 mmHg/L/min; Pulmonary capillary wedge pressure or left ventricular end diastolic pressure less than 15 mmHg;
  • minute walk distance of at least 150 meters, but no more than 450 meters;
  • Total lung capacity greater than or equal to 70% and FEV1 greater than or equal to 65% of predicted normal;

You may not qualify if:

  • Portopulmonary hypertension;
  • Subjects with PAH due to or associated with coronary artery disease, left heart disease, interstitial lung disease, chronic obstructive pulmonary disease, veno-occlusive disease, chronic thromboembolic disease, or sleep apnea;
  • Bosentan (Tracleer®), sildenafil (Viagra®), or chronic prostanoid therapy within 4 weeks of screening;
  • Serum ALT or AST lab value that is greater than 1.5 times the upper limit of normal;
  • Contraindication to treatment with an endothelin receptor antagonist;
  • Subject with cardiovascular, hepatic, renal, hematologic, gastrointestinal, immunologic, endocrine, metabolic, or central nervous system disease that may adversely affect the safety of the subject;
  • Participation in a clinical study involving another investigational drug within 4 weeks of screening.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (46)

Pulmonary Associates, PA

Phoenix, Arizona, 85006, United States

Location

Arizona Pulmonary Specialists

Phoenix, Arizona, 85013, United States

Location

Brentwood Biomedical Research Institute

Los Angeles, California, 90073, United States

Location

University of California-Davis

Sacramento, California, 95817, United States

Location

University of California San Diego Medical Center

San Diego, California, 92037, United States

Location

Los Angeles County Harbor-UCLA Medical Center

Torrance, California, 90502, United States

Location

University of Colorado Health Sciences Center

Denver, Colorado, 80262, United States

Location

Myogen

Westminster, Colorado, 80021, United States

Location

University of Connecticut Health Center

Farmington, Connecticut, 06030, United States

Location

Mt. Sinai Medical Center

Miami, Florida, 33140, United States

Location

Emory University Hospital

Atlanta, Georgia, 30322, United States

Location

Medical College of Georgia

Augusta, Georgia, 30912, United States

Location

Loyola University Medical Center

Chicago, Illinois, 60153, United States

Location

University of Iowa Hospitals and Clinics

Iowa City, Iowa, 52242, United States

Location

Ochsner Clinic

New Orleans, Louisiana, 70121, United States

Location

Maine Medical Center

Portland, Maine, 04102, United States

Location

Johns Hopkins University

Baltimore, Maryland, 21205, United States

Location

Tufts New England Medical Center

Boston, Massachusetts, 02111, United States

Location

Massachusetts General Hospital

Boston, Massachusetts, 02114, United States

Location

Brigham and Women's Hospital

Boston, Massachusetts, 02115, United States

Location

University of Michigan Medical Center

Ann Arbor, Michigan, 48109, United States

Location

Wayne State University

Detroit, Michigan, 48201, United States

Location

Mayo Clinic

Rochester, Minnesota, 55905, United States

Location

Washington University

St Louis, Missouri, 63110, United States

Location

Northshore University/Long Island Jewish Hospital

Manhasset, New York, 11030, United States

Location

Winthrop University Hospital

Mineola, New York, 11501, United States

Location

Mt. Sinai Medical Center

New York, New York, 10029, United States

Location

New York Presbyterian Hospital

New York, New York, 10032, United States

Location

Cardiology PC

Syracuse, New York, 13210, United States

Location

Lindner Clinical Trial Center

Cincinnati, Ohio, 45219, United States

Location

University Hospitals of Cleveland

Cleveland, Ohio, 44106, United States

Location

Cleveland Clinic Foundation

Cleveland, Ohio, 44195, United States

Location

Oregon Health Sciences University

Portland, Oregon, 97202, United States

Location

University of Pennsylvania Hospital

Philadelphia, Pennsylvania, 19104, United States

Location

University of Pittsburgh Medical Center

Pittsburgh, Pennsylvania, 15213, United States

Location

Rhode Island Hospital

Providence, Rhode Island, 02903, United States

Location

Vanderbilt University Medical Center

Nashville, Tennessee, 37232, United States

Location

St. Paul Hospital

Dallas, Texas, 75235, United States

Location

Baylor College of Medicine

Houston, Texas, 77030, United States

Location

University of Texas - San Antonio

San Antonio, Texas, 78229, United States

Location

Scott & White Hospital

Temple, Texas, 76508, United States

Location

University of Virginia Health System

Charlottesville, Virginia, 22908, United States

Location

Virginia Commonwealth University

Richmond, Virginia, 23298, United States

Location

Heart Care Associates

Milwaukee, Wisconsin, 53215, United States

Location

St. Vincent's Hospital

Sydney, New South Wales, 2010, Australia

Location

Jewish General Hospital

Montreal, Quebec, H3T1E2, Canada

Location

Related Publications (1)

  • Galie N, Olschewski H, Oudiz RJ, Torres F, Frost A, Ghofrani HA, Badesch DB, McGoon MD, McLaughlin VV, Roecker EB, Gerber MJ, Dufton C, Wiens BL, Rubin LJ; Ambrisentan in Pulmonary Arterial Hypertension, Randomized, Double-Blind, Placebo-Controlled, Multicenter, Efficacy Studies (ARIES) Group. Ambrisentan for the treatment of pulmonary arterial hypertension: results of the ambrisentan in pulmonary arterial hypertension, randomized, double-blind, placebo-controlled, multicenter, efficacy (ARIES) study 1 and 2. Circulation. 2008 Jun 10;117(23):3010-9. doi: 10.1161/CIRCULATIONAHA.107.742510. Epub 2008 May 27.

Related Links

MeSH Terms

Conditions

Hypertension, PulmonaryPulmonary Arterial Hypertension

Interventions

ambrisentan

Condition Hierarchy (Ancestors)

Lung DiseasesRespiratory Tract DiseasesHypertensionVascular DiseasesCardiovascular Diseases

Study Officials

  • Lewis J. Rubin, MD

    University of California San Diego, San Diego School of Medicine

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Expanded Access
Yes

Study Record Dates

First Submitted

September 10, 2004

First Posted

September 14, 2004

Study Start

January 1, 2004

Primary Completion

February 1, 2006

Study Completion

February 1, 2006

Last Updated

March 8, 2010

Record last verified: 2010-03

Locations