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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00367770
Registration number
NCT00367770
Ethics application status
Date submitted
21/08/2006
Date registered
23/08/2006
Titles & IDs
Public title
BREATHE 5-OL: Tracleer (Bosentan) in Patients With Pulmonary Arterial Hypertension Related to Eisenmenger Physiology
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Scientific title
A Multi-Center, Open-Label Extension Study to Protocol AC-052-405 to Evaluate the Safety and Efficacy of Tracleer (Bosentan) in Patients With Pulmonary Arterial Hypertension Related to Eisenmenger Physiology
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Secondary ID [1]
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AC-052-409
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Pulmonary Arterial Hypertension
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Condition category
Condition code
Respiratory
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Other respiratory disorders / diseases
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Human Genetics and Inherited Disorders
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Other human genetics and inherited disorders
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Cardiovascular
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Hypertension
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Cardiovascular
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Other cardiovascular diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Tracleer®
Experimental: Tracleer - The starting dose for all patients will be 62.5 mg b.i.d. At the Week 4 visit, patients who were started on 62.5 mg b.i.d. will be uptitrated to 125 mg b.i.d. if the 62.5 mg b.i.d. dose was well-tolerated.
Treatment: Drugs: Tracleer®
Patients will receive up to 125 mg b.i.d. of Tracleer.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Change in 6-minute Walk Distance
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Assessment method [1]
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Timepoint [1]
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from baseline to week 24
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Primary outcome [2]
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Change in Borg Dyspnea Index
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Assessment method [2]
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Borg scale a numerical scale for assessing dyspnea, from 0 representing no dyspnea to 10 as maximal dyspnea.
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Timepoint [2]
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from baseline to week 24
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Primary outcome [3]
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Number of Participants With a Change in WHO Functional Class
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Assessment method [3]
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Number of participants with a change in WHO functional class from baseline to week 24.
A change from a higher to a lower functional class (i.e. III to II, III to I or II to I) is considered as an improvement.
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Timepoint [3]
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from baseline to week 24
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Eligibility
Key inclusion criteria
1. Patients stable with PAH upon completion of the BREATHE-5 randomized, double-blind, placebo- controlled 16-week study.
2. For female patients, only non-pregnant women who are surgically sterile, postmenopausal or have documented infertility (over 50 years of age and amenorrheic for at least 1 year), or those of childbearing potential using one of the following methods of contraception: Barrier-type devices (e.g., condom, diaphragm) used ONLY in combination with a spermicide. A double-barrier method is recommended; intrauterine devices (IUDs); oral or implanted contraceptives, if used in combination with a barrier method.
3. Patients providing written informed consent.
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Minimum age
12
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. Patients who withdrew prematurely from BREATHE-5, AC-052-405.
2. Patients who are pregnant or nursing.
3. Patients who are receiving epoprostenol or prostacyclin analogues, or are expected to receive any of these drugs during the study.
4. Patients with AST and/or ALT values greater than 3 times the upper limit of normal.
5. Patients with hemoglobin or hematocrit that is more than 30% below the normal range (patients with secondary polycythemia are permitted in the study).
6. Patients with systolic blood pressure < 85 mm Hg.
7. Patients taking phosphodiesterase inhibitors, other endothelin receptor antagonists or are receiving another investigational product.
8. Patients active on organ transplant list.
9. Patients who are receiving or expected to receive glyburide, cyclosporin A or tacrolimus.
10. Patients not able to comply with the protocol or adhere to therapy.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 4
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/01/2004
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/12/2005
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Sample size
Target
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Accrual to date
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Final
37
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Recruitment in Australia
Recruitment state(s)
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Recruitment hospital [1]
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Royal Prince Alfred Hospital - Central Clinical School - Camperdown
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Recruitment hospital [2]
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The Royal Melbourne Hospital - Victoria
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Recruitment postcode(s) [1]
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NSW 2050 - Camperdown
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Recruitment postcode(s) [2]
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3050 - Victoria
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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Massachusetts
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United States of America
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State/province [2]
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Texas
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Austria
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State/province [3]
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Wien
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Belgium
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State/province [4]
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Leuven
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Country [5]
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Canada
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State/province [5]
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Alberta
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Canada
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State/province [6]
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Ontario
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Country [7]
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France
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State/province [7]
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Paris
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Country [8]
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Germany
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State/province [8]
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Bad Oeynhausen
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Country [9]
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Germany
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State/province [9]
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Munchen
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Country [10]
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Italy
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State/province [10]
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Bologna
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Italy
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State/province [11]
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Pavia
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Country [12]
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Netherlands
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State/province [12]
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Groningen
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Country [13]
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Spain
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State/province [13]
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Madrid
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Country [14]
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United Kingdom
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State/province [14]
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Glasgow
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Country [15]
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United Kingdom
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State/province [15]
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London
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Actelion
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This 6-month open label study will evaluate the long term safety of bosentan (via oxygen saturation) and efficacy (exercise capacity) in patients who have completed the BREATHE-5 study (PAH related to Eisenmenger physiology). Treatment duration is 6 months.
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Trial website
https://clinicaltrials.gov/study/NCT00367770
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Michael Landzberg, MD
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Address
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BACH Pulmonary Hypertension Service, Boston, U.S.A.
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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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 are available at
https://clinicaltrials.gov/study/NCT00367770