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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 8 February 2021
Main ID:  NCT00159861
Date of registration: 08/09/2005
Prospective Registration: No
Primary sponsor: Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Public title: The Efficacy and Safety of Sildenafil Citrate Used in Combination With Intravenous Epoprostenol in PAH
Scientific title: A Multinational, Multi-Center, Randomised, Double-Bind, Placebo-Controlled, Parallel Group Study to Assess the Safety and Efficacy of a Subject Optimised Dose of Sildenafil Citrate (20, 40, or 80 mg. Sildenafil Citrate TID) Based on the Toleration, When Used in Combination With Intravenous Prostacyclin( Epoprostenol) in the Treatment of Pulmonary Arterial Hypertension.
Date of first enrolment: July 2003
Target sample size: 267
Recruitment status: Completed
URL:  https://clinicaltrials.gov/show/NCT00159861
Study type:  Interventional
Study design:  Allocation: Randomized. Intervention model: Parallel Assignment. Primary purpose: Treatment. Masking: Double (Participant, Care Provider).  
Phase:  Phase 3
Countries of recruitment
Belgium Canada Czech Republic Czechia Denmark France Israel Italy
Netherlands Spain United Kingdom United States
Contacts
Name:     Pfizer CT.gov Call Center
Address: 
Telephone:
Email:
Affiliation:  Pfizer
Key inclusion & exclusion criteria

Inclusion Criteria:

- Patients with pulmonary arterial hypertension caused by primary PAH, associated with
connective tissue disease or following surgical repair of a congenital heart lesion

Exclusion Criteria:

- PH other than PAH



Age minimum: 16 Years
Age maximum: N/A
Gender: All
Health Condition(s) or Problem(s) studied
Pulmonary Hypertension
Intervention(s)
Drug: Sildenafil citrate
Primary Outcome(s)
Categorized Change From Baseline in 6-Minute Walking Distance [Time Frame: 1 Year, 2 Year, 3 Year]
Secondary Outcome(s)
Change From Baseline in Medical Outcomes Study Short Form 36 (SF-36) [Time Frame: Baseline, Month 15, Month 27, Month 39]
Survival Status [Time Frame: 1, 2, 3, 4, and 5 years]
Change From Baseline in European Quality of Life Scale (EuroQol) 5-Dimensions (EQ-5D): Utility Index Score [Time Frame: Baseline, Month 15, Month 27, Month 39]
Change From Baseline in Medical Outcomes Study Short Form 36 (SF-36): Reported Health Transition Score [Time Frame: Baseline, Month 15, Month 27, Month 39]
Change From Baseline in BORG Dyspnea Score [Time Frame: Baseline, Week 4, Week 8, Week 12, Week 16, Week 20, Week 24, Month 9, Month 12, Month 15, Month 18, Month 21, Month 24, Month 27, Month 30, Month 33, Month 36]
Change From Baseline in European Quality of Life (EuroQol) Visual Analogue Scale (EQ-5D VAS): Current Health State Score [Time Frame: Baseline, Month 15, Month 27, Month 39]
Change in Pulmonary Hypertension Criteria for Functional Capacity and Therapeutic Class [Time Frame: 1 Year, 2 Year, 3 Year]
Secondary ID(s)
A1481141
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Pfizer
Ethics review
Results
Results available: Yes
Date Posted: 12/01/2011
Date Completed:
URL: https://clinicaltrials.gov/ct2/show/results/NCT00159861
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