Study Stopped
Safety Issue: The trial was prematurely terminated on Dec 9, 2010, due to safety concerns, specifically new emerging evidence of hepatic injury.
A 12 Week Safety And Efficacy Study Of Sitaxentan Sodium In Japanese Pulmonary Arterial Hypertension Patients
A Phase 3, Multi-Center, Open Label Study To Evaluate The Safety And Efficacy Of Sitaxentan Sodium In Japanese Subjects With Pulmonary Arterial Hypertension
1 other identifier
interventional
2
1 country
2
Brief Summary
The safety and efficacy at 100 mg once daily for oral dose of sitaxentan sodium were demonstrated in the STRIDE clinical trial program. Sitaxentan sodium was approved in the EU, Canada and Australia. In this study, the safety and efficacy after administrations of sitaxentan sodium at a dose of 100 mg alone or in combination with another medication will be investigated in Japanese PAH patients.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3
Started Aug 2010
Shorter than P25 for phase_3
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2010
CompletedFirst Submitted
Initial submission to the registry
August 6, 2010
CompletedFirst Posted
Study publicly available on registry
September 17, 2010
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2010
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2010
CompletedResults Posted
Study results publicly available
December 1, 2011
CompletedDecember 1, 2011
October 1, 2011
3 months
August 6, 2010
October 26, 2011
October 26, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Number of Participants With Adverse Events
Number of participants with any adverse events, severe adverse events, serious adverse events
12 weeks
Change From Baseline in 6-minute Walk Distance
Change from baseline in 6-minute walk distance is calculated as the value at Week 12 minus value at baseline.
12 weeks
Secondary Outcomes (5)
Change From Baseline in WHO Functional Class
12 weeks
Number of Participants With Haemodynamics Parameters
12 weeks
Change From Baseline in N-amino Terminal Fragment of the Prohormone Brain Natriuretic Peptide (NT-pro BNP)
12 weeks
Clinical Worsening
12 weeks
Number of Participants With Pharmacokinetic (PK) Parameters at Steady State
pre-dose at Week 2, 4, 8, and pre-dose, 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, 24 hours post-dose at Week 12 or study termination
Study Arms (1)
Sitaxentan treatment
EXPERIMENTALInterventions
Eligibility Criteria
You may qualify if:
- Has a current diagnosis of symptomatic PAH
- Has 6MWT distances from 150 to 450 meters and distance
You may not qualify if:
- Previous exposure to an endothelin receptor antagonist
- Has uncontrolled systemic hypertension as evidenced by sitting systolic blood pressure \>160 mm Hg or sitting diastolic blood pressure \>100 mm Hg at Screening.
- Has hypotension defined as systolic arterial pressure \<90 mm Hg after sitting for 5 minutes at Screening.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Pfizerlead
Study Sites (2)
Pfizer Investigational Site
Nagoya, Aichi-ken, Japan
Pfizer Investigational Site
Shinjyuku-ku, Tokyo, Japan
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Pfizer ClinicalTrials.gov Call Center
- Organization
- Pfizer, Inc.
Study Officials
- STUDY DIRECTOR
Pfizer CT.gov Call Center
Pfizer
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 6, 2010
First Posted
September 17, 2010
Study Start
August 1, 2010
Primary Completion
November 1, 2010
Study Completion
November 1, 2010
Last Updated
December 1, 2011
Results First Posted
December 1, 2011
Record last verified: 2011-10