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Long-term, open-label, multicenter extension study of bosentan in patients with pulmonary hypertension associated with sickle cell disease completing a double-blind ASSET study (AC-052-368 or AC-052-369) - ASSET-3

Long-term, open-label, multicenter extension study of bosentan in patients with pulmonary hypertension associated with sickle cell disease completing a double-blind ASSET study (AC-052-368 or AC-052-369) - ASSET-3

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2006-000374-75-FR
Enrollment
236
Registered
2006-12-29
Start date
2007-02-05
Completion date
Unknown
Last updated
2021-10-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pulmonary Hypertension (PH) associated with sickle cell disease MedDRA version: 8.1 Level: LLT Classification code 10037400 Term: Pulmonary hypertension

Interventions

Trade Name: Tracleer Product Name: bosentan Product Code: Ro 47-0203 Pharmaceutical Form: Film-coated tablet INN or Proposed INN: BOSENTAN CAS Number: 147536978 Current Sponsor code: Ro 47-0203 Concen

Sponsors

Actelion Pharmaceuticals Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Completion of the 16-week treatment period in the double-blind ASSET study 2. Women of childbearing potential must have a negative result on their serum pregnancy test and use reliable methods of contraception during study treatment and for 3 months after study treatment termination. 3. Signed written informed consent is obtained from the patient or patient’s parent/ legal representative prior to initiation of any study-related procedure. Are the trial subjects under 18? yes Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: All patients (Groups A and B): 1. Any major protocol violation in the preceding double-blind ASSET study 2. Hemoglobin concentration 20% below the lower limit of normal (LLN) 7. Newly diagnosed psychotic, addictive or other disorder limiting the ability to provide informed consent or to comply with study requirements

Design outcomes

Primary

MeasureTime frame
Main Objective: To assess long-term safety, tolerability and efficacy of bosentan in patients with pulmonary hypertension (PH) associated with sickle cell disease (SCD);Secondary Objective: ;Primary end point(s): No primary endpoint is defined for this open-label extension study.

Countries

France, United Kingdom

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026