Efficacy and Safety of Oral Bosentan in Pulmonary Arterial Hypertension Class II

NCT ID: NCT00091715

Last Updated: 2011-08-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

185 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-04-30

Study Completion Date

2011-02-28

Brief Summary

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The present trial investigates a possible use of oral bosentan, which is currently approved for the treatment of symptoms of pulmonary arterial hypertension (PAH) Class III and IV, to patients suffering from PAH Class II.

Detailed Description

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Conditions

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Pulmonary Hypertension

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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2

placebo for 6 months followed by an open label period

Group Type PLACEBO_COMPARATOR

placebo

Intervention Type DRUG

placebo for 6 months followed by an open-label period

1

62.5 mg table twice a day for 4 weeks followed by 125 mg tablet twice a day for 6 months followed by an open label period until end of study.

Group Type EXPERIMENTAL

bosentan

Intervention Type DRUG

65 mg tablet twice a day for 4 weeks followed by 125 mg tablet twice a day until end of study

Interventions

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bosentan

65 mg tablet twice a day for 4 weeks followed by 125 mg tablet twice a day until end of study

Intervention Type DRUG

placebo

placebo for 6 months followed by an open-label period

Intervention Type DRUG

Other Intervention Names

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Tracleer

Eligibility Criteria

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Inclusion Criteria

* PAH NYHA Class II
* Significant elevation of mean pulmonary arterial pressure
* Significant elevation of pulmonary vascular resistance at rest
* Limited 6-minute walk distance

Exclusion Criteria

* PAH secondary to portal hypertension, complex congenital heart disease or reverse shunt
* Restrictive or obstructive lung disease
* Significant vasoreactivity
* Treatments for PAH (within 4 weeks of randomization)
Minimum Eligible Age

12 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Actelion

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University of Alabama-Birmingham

Birmingham, Alabama, United States

Site Status

Harbor UCLA Medical Center

Torrance, California, United States

Site Status

Tufts- New England Medical Center

Boston, Massachusetts, United States

Site Status

University of Michigan

Ann Arbor, Michigan, United States

Site Status

Cleveland Clinic Foundation

Cleveland, Ohio, United States

Site Status

St. Paul University Hospital

Dallas, Texas, United States

Site Status

The Prince Charles Hospital

Brisbane, , Australia

Site Status

Royal Prince Albert Hospital

Camperdown, , Australia

Site Status

St. Vincent's Hospital

Darlinghurst, , Australia

Site Status

General Hospital of Vienna

Vienna, , Austria

Site Status

UZ Gasthuisberg

Leuven, , Belgium

Site Status

University of Calgary

Calgary, Alberta, Canada

Site Status

University of Alberta

Edmonton, Alberta, Canada

Site Status

Halifax Infirmary

Halifax, Nova Scotia, Canada

Site Status

Victoria Medical Centre

Hamilton, Ontario, Canada

Site Status

Toronto General Hospital

Toronto, Ontario, Canada

Site Status

Centre de Pneumologie de L'Hospital Laval

Sainte-Foy, Quebec, Canada

Site Status

Queen Mary Hospital

Hong Kong, , China

Site Status

Interni klinika VFN

Prague, , Czechia

Site Status

Marseille-Timone

Marseille, , France

Site Status

Universitat Greifswald

Greifswald, , Germany

Site Status

Universitat Greifswald

Greifswald, , Germany

Site Status

Universitarsklinikum Hamburg-Eppendorf

Hamburg, , Germany

Site Status

Medizinische Universitatsklinik

Heidelberg, , Germany

Site Status

Universitatsklinikim Leipzig

Leipzig, , Germany

Site Status

Klinikum der Universitat Regensburg

Regensburg, , Germany

Site Status

Policlinico S. Orsola-Malpighi

Bologna, , Italy

Site Status

VU Medisch Centrum

Amsterdam, , Netherlands

Site Status

University Hospital Maastricht

Maastricht, , Netherlands

Site Status

Hospital Clinic

Barcelona, , Spain

Site Status

Hospital Valle d'Hebron

Barcelona, , Spain

Site Status

Hospital 12 de Octubre

Madrid, , Spain

Site Status

Zurich University Hospital

Zurich, , Switzerland

Site Status

Papworth Hospital

Cambridge, , United Kingdom

Site Status

Countries

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United States Australia Austria Belgium Canada China Czechia France Germany Italy Netherlands Spain Switzerland United Kingdom

References

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Galie N, Rubin Lj, Hoeper M, Jansa P, Al-Hiti H, Meyer G, Chiossi E, Kusic-Pajic A, Simonneau G. Treatment of patients with mildly symptomatic pulmonary arterial hypertension with bosentan (EARLY study): a double-blind, randomised controlled trial. Lancet. 2008 Jun 21;371(9630):2093-100. doi: 10.1016/S0140-6736(08)60919-8.

Reference Type DERIVED
PMID: 18572079 (View on PubMed)

Other Identifiers

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AC-052-364

Identifier Type: -

Identifier Source: secondary_id

EARLY

Identifier Type: -

Identifier Source: org_study_id

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