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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT00091715




Registration number
NCT00091715
Ethics application status
Date submitted
16/09/2004
Date registered
20/09/2004
Date last updated
30/08/2011

Titles & IDs
Public title
Efficacy and Safety of Oral Bosentan in Pulmonary Arterial Hypertension Class II
Scientific title
A Randomized, Double-blind, Placebo-controlled, Multicenter Study to Assess the Efficacy, Safety, and Tolerability of Bosentan in Patients With Mildly Symptomatic Pulmonary Arterial Hypertension (PAH)
Secondary ID [1] 0 0
AC-052-364
Secondary ID [2] 0 0
EARLY
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Pulmonary Hypertension 0 0
Condition category
Condition code
Respiratory 0 0 0 0
Other respiratory disorders / diseases
Cardiovascular 0 0 0 0
Hypertension

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - bosentan
Treatment: Drugs - placebo

Experimental: 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.

Placebo comparator: 2 - placebo for 6 months followed by an open label period


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

Treatment: Drugs: placebo
placebo for 6 months followed by an open-label period
Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
exercise capacity
Timepoint [1] 0 0
Baseline to end of study
Primary outcome [2] 0 0
cardiac hemodynamics
Timepoint [2] 0 0
Baseline to end of study

Eligibility
Key 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
Minimum age
12 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
No
Key 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)

Study design
Purpose of the study
Treatment
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Blinded (masking used)
Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
Intervention assignment
Parallel
Other design features
Phase
Phase 3
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Completed
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
1/04/2004
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
1/02/2011
Sample size
Target
Accrual to date
Final
185
Recruitment in Australia
Recruitment state(s)
Recruitment hospital [1] 0 0
The Prince Charles Hospital - Brisbane
Recruitment hospital [2] 0 0
Royal Prince Albert Hospital - Camperdown
Recruitment hospital [3] 0 0
St. Vincent's Hospital - Darlinghurst
Recruitment postcode(s) [1] 0 0
4032 - Brisbane
Recruitment postcode(s) [2] 0 0
- Camperdown
Recruitment postcode(s) [3] 0 0
- Darlinghurst
Recruitment outside Australia
Country [1] 0 0
United States of America
State/province [1] 0 0
Alabama
Country [2] 0 0
United States of America
State/province [2] 0 0
California
Country [3] 0 0
United States of America
State/province [3] 0 0
Massachusetts
Country [4] 0 0
United States of America
State/province [4] 0 0
Michigan
Country [5] 0 0
United States of America
State/province [5] 0 0
Ohio
Country [6] 0 0
United States of America
State/province [6] 0 0
Texas
Country [7] 0 0
Austria
State/province [7] 0 0
Vienna
Country [8] 0 0
Belgium
State/province [8] 0 0
Leuven
Country [9] 0 0
Canada
State/province [9] 0 0
Alberta
Country [10] 0 0
Canada
State/province [10] 0 0
Nova Scotia
Country [11] 0 0
Canada
State/province [11] 0 0
Ontario
Country [12] 0 0
Canada
State/province [12] 0 0
Quebec
Country [13] 0 0
China
State/province [13] 0 0
Hong Kong
Country [14] 0 0
Czech Republic
State/province [14] 0 0
Prague
Country [15] 0 0
France
State/province [15] 0 0
Marseille
Country [16] 0 0
Germany
State/province [16] 0 0
Greifswald
Country [17] 0 0
Germany
State/province [17] 0 0
Hamburg
Country [18] 0 0
Germany
State/province [18] 0 0
Heidelberg
Country [19] 0 0
Germany
State/province [19] 0 0
Leipzig
Country [20] 0 0
Germany
State/province [20] 0 0
Regensburg
Country [21] 0 0
Italy
State/province [21] 0 0
Bologna
Country [22] 0 0
Netherlands
State/province [22] 0 0
Amsterdam
Country [23] 0 0
Netherlands
State/province [23] 0 0
Maastricht
Country [24] 0 0
Spain
State/province [24] 0 0
Barcelona
Country [25] 0 0
Spain
State/province [25] 0 0
Madrid
Country [26] 0 0
Switzerland
State/province [26] 0 0
Zurich
Country [27] 0 0
United Kingdom
State/province [27] 0 0
Cambridge

Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
Actelion
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries

No information has been provided regarding IPD availability


What supporting documents are/will be available?

No Supporting Document Provided



Results publications and other study-related documents

No documents have been uploaded by study researchers.

Results not provided in https://clinicaltrials.gov/study/NCT00091715