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Clinical Study to Assess the Long-term Safety and Tolerability of ACT 064992 in Patients With Symptomatic Pulmonary Arterial Hypertension (SERAPHIN OL)

This study is ongoing, but not recruiting participants.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00667823
First Posted: April 28, 2008
Last Update Posted: December 15, 2017
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
Actelion
  Purpose
The main objective of the AC 055 303/SERAPHIN OL study, which will follow the AC 055 302/SERAPHIN study, will be to assess the long-term safety and tolerability of ACT 064992 in patients with symptomatic PAH.

Condition Intervention Phase
Pulmonary Arterial Hypertension Drug: Macitentan Phase 3

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Long-term Single-arm Open-label Extension Study of the SERAPHIN Study, to Assess the Safety and Tolerability of ACT 064992 in Patients With Symptomatic Pulmonary Arterial Hypertension

Resource links provided by NLM:


Further study details as provided by Actelion:

Primary Outcome Measures:
  • Number of subjects with treatment-emergent Adverse Events (AEs) and serious AEs [ Time Frame: up to 28 days after study drug discontinuation, assessed for up to 55 months ]

Secondary Outcome Measures:
  • Number of subjects with AEs leading to premature discontinuation of study drug [ Time Frame: up to 28 days after study drug discontinuation, assessed for up to 55 months ]
  • Occurrence of treatment-emergent liver function test (ALT and/or AST) abnormality [ Time Frame: up to 28 days after study drug discontinuation, assessed for up to 55 months ]
    > 3 and ≤ 5 × ULN; > 5 and ≤ 8 × ULN; > 8 × ULN

  • Occurence of treatment-emergent hemoglobin abnormality [ Time Frame: up to 28 days after study drug discontinuation, assessed for up to 55 months ]
    ≤ 8 g/dL; > 8 and ≤ 10 g/dL


Enrollment: 550
Actual Study Start Date: October 17, 2008
Estimated Study Completion Date: September 15, 2021
Estimated Primary Completion Date: September 15, 2021 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: ACT-064992
ACT-064992
Drug: Macitentan
Tablet, oral administration, 10 mg dose once daily
Other Name: ACT-064992

  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   12 Years and older   (Child, Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Signed informed consent prior to initiation of any study-mandated procedure.
  • Patients with pulmonary arterial hypertension and having completed the event-driven study, AC 055 302/SERAPHIN, or Patients who have experienced a clinical worsening of PAH in AC 055 302/SERAPHIN and for whom a written approval to roll over into this study has been obtained from the Sponsor.
  • Women of childbearing potential must have a negative pre-treatment serum pregnancy test and must use a reliable method of contraception during study treatment and for at least 28 days after study treatment termination.

Exclusion Criteria:

  • Any major violation of protocol AC 055 302/SERAPHIN.
  • Pregnancy or breast-feeding.
  • AST and/or ALT > 3 times the upper limit of the normal range.
  • Any known factor or disease that might interfere with treatment compliance, study conduct or interpretation of the results, such as drug or alcohol dependence or psychiatric disease.
  • Known hypersensitivity to ACT 064992 or any of the excipients.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00667823


  Show 127 Study Locations
Sponsors and Collaborators
Actelion
  More Information

Responsible Party: Actelion
ClinicalTrials.gov Identifier: NCT00667823     History of Changes
Other Study ID Numbers: AC-055-303
First Submitted: April 24, 2008
First Posted: April 28, 2008
Last Update Posted: December 15, 2017
Last Verified: December 2017

Keywords provided by Actelion:
SERAPHIN
Pulmonary Arterial Hypertension
ACT-064992

Additional relevant MeSH terms:
Hypertension
Familial Primary Pulmonary Hypertension
Vascular Diseases
Cardiovascular Diseases
Hypertension, Pulmonary
Lung Diseases
Respiratory Tract Diseases
Macitentan
Endothelin A Receptor Antagonists
Endothelin Receptor Antagonists
Molecular Mechanisms of Pharmacological Action
Endothelin B Receptor Antagonists