The Effect of Tracleer® on Male Fertility
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
1 other identifier
interventional
22
0 countries
N/A
Brief Summary
The objective of the study is to evaluate the effects of chronic TRACLEER® treatment on testicular function via semen analysis in male patients with primary pulmonary arterial hypertension (PAH).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_4
Started Jul 2003
Longer than P75 for phase_4
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
July 1, 2003
CompletedFirst Submitted
Initial submission to the registry
April 30, 2004
CompletedFirst Posted
Study publicly available on registry
May 4, 2004
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2007
CompletedFebruary 3, 2025
January 1, 2025
3.6 years
April 30, 2004
January 31, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
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%.
From baseline to end of study.
Secondary Outcomes (1)
Semen volume, sperm motility and sperm morphology change
From baseline to 3 & 6 months
Study Arms (1)
1
EXPERIMENTALOral bosentan tablets
Interventions
Oral bosentan tablets 62.5 mg twice daly for 4 weeks, then 125 mg twice daily for 20 weeks.
Eligibility Criteria
You may qualify if:
- 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.
You may not qualify if:
- 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 hormone suppressive agents, including androgens, estrogens, anabolic steroids or glucocorticoids within the past 6 months or planned during the study.
- 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.
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Actelionlead
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Andrea Lauer, Ph.D.
Actelion Pharmaceuticals US, Inc.
- STUDY DIRECTOR
Maurizio Rainisio, Ph.D.
Actelion
- STUDY DIRECTOR
Frederic Bodin, M.D.
Actelion
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
April 30, 2004
First Posted
May 4, 2004
Study Start
July 1, 2003
Primary Completion
February 1, 2007
Study Completion
November 1, 2007
Last Updated
February 3, 2025
Record last verified: 2025-01