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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT00082186




Registration number
NCT00082186
Ethics application status
Date submitted
30/04/2004
Date registered
4/05/2004
Date last updated
3/02/2025

Titles & IDs
Public title
The Effect of Tracleer® on Male Fertility
Scientific title
TRACLEER® (Bosentan) Pulmonary Arterial Hypertension A Multicenter, Open-label, Single-arm Safety Study to Investigate the Effects of Chronic TRACLEER® Treatment on Testicular Function in Male Patients With Pulmonary Arterial Hypertension
Secondary ID [1] 0 0
AC-052-402
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Hypertension, Pulmonary 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

Experimental: 1 - Oral bosentan tablets


Treatment: Drugs: bosentan
Oral bosentan tablets 62.5 mg twice daly for 4 weeks, then 125 mg twice daily for 20 weeks.

Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Proportion of patients with a mean decrease in sperm concentration to 7.5 x 10[6]/mL or below, without a single sperm concentration = 20 x 10[6]/mL, at 3 or 6 months. This proportion is considered of clinical relevance if greater than 30%.
Timepoint [1] 0 0
From baseline to end of study.
Secondary outcome [1] 0 0
Semen volume, sperm motility and sperm morphology change
Timepoint [1] 0 0
From baseline to 3 & 6 months

Eligibility
Key inclusion criteria
* Male patients age 18-65 years.
* Bosentan-naïve.
* PPH, WHO functional class III/IV, in need of TRACLEER
* Patients pulmonary arterial hypertension (PAH) secondary to congenital heart disease.
* Written informed consent.
Minimum age
18 Years
Maximum age
65 Years
Sex
Males
Can healthy volunteers participate?
No
Key exclusion criteria
* Female
* Patients with PAH secondary to connective tissue vascular diseases or HIV.
* Patients who have undergone a vasectomy.
* Patients with an average baseline sperm concentration < 15 x 10[6]/mL, or any sample with a sperm concentration <= 7.5 x 10[6]/mL.
* Patients with an average baseline sperm motility <20% or normal sperm morphology <5%.
* Body weight < 50 kg.
* Hypotension, defined as systolic blood pressure less than 85 mm Hg.
* AST and/or ALT plasma levels greater than 3 times ULN.
* Hypersensitivity to bosentan or any of the components of the formulation.
* Treatment with glyburide, cyclosporine A or tacrolimus at inclusion or planned during the study.
* Treatment with hormone suppressive agents, including androgens, estrogens, anabolic steroids or glucocorticoids within the past 6 months or planned during the study.
* Current treatment less than 3 months prior to inclusion or planned treatment with prostacyclin or prostacyclin analogues (e.g., Flolanâ or Remodulin).
* Patients who received an investigational drug in the month preceding the study start or who are due to be treated with another investigational drug during the study period.
* Known drug or alcohol dependence or any other factors that will interfere with conduct of the study.
* Any illness other than PPH that will reduce life expectancy to less than 6 months.
* Active cancer.
* Prior treatment with an anti-neoplastic agent or ionizing radiation.
* Hot tub/Jacuzzi use.
* Uncontrolled diseases including diabetes, liver or kidney disease.
* Patients receiving spironolactone (aldactone) less than 3 months prior to inclusion or dose >25 mg/day at baseline or anytime during the study.

Study design
Purpose of the study
Treatment
Allocation to intervention
Non-randomised 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
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Single group
Other design features
Phase
Phase 4
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
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)

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
Andrea Lauer, Ph.D.
Address 0 0
Actelion Pharmaceuticals US, Inc.
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.