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NCT00159874 · ClinicalTrials.gov registry record · Phase 3
A Long Term Extension Study Evaluating Safety Of Sildenafil Citrate When Used To Treat Pulmonary Arterial Hypertension (PAH) In Children
A Phase 3 study, sponsored by Pfizer's Upjohn has merged with Mylan to form Viatris.
- Completed
- Registry status
- Phase 3
- Development phase
- 234
- Enrollment target
NCT00159874: Completed Phase 3 study, sponsored by Pfizer's Upjohn has merged with Mylan to form Viatris.
NCT00159874 is a Phase 3 study that has completed, run by Pfizer's Upjohn has merged with Mylan to form Viatris. The registered enrollment target is 234 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (70% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00159874, a Phase 3 study, has completed, sponsored by Pfizer's Upjohn has merged with Mylan to form Viatris.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 234 participants
- Enrollment target
Study Summary
Active treatment, dose-blinded extension study evaluating the safety and long term efficacy of sildenafil citrate in children with PAH.
Primary Outcome
Safety was measured according to standard adverse event collection as described in the adverse event section of the results. Complete tables of the adverse events according to the A1481156 treatment groups are provided in the reported adverse event section.
Interventions
- DRUG Sildenafil citrate
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 234 participants |
| Start Date | 2004-01 |
| Est. Completion | 2012-12 |
| Phase | Phase 3 |
What the finished NCT00159874 record still lists
NCT00159874 is an interventional study that assigns participants to a tested intervention. The registered 234 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (70% lower).
The record links to 0 conditions, and to 1 intervention - of which Sildenafil citrate is the first listed.
NCT00159874 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00159874 about?
NCT00159874 is a clinical study titled "A Long Term Extension Study Evaluating Safety Of Sildenafil Citrate When Used To Treat Pulmonary Arterial Hypertension (PAH) In Children". Active treatment, dose-blinded extension study evaluating the safety and long term efficacy of sildenafil citrate in children with PAH.
What is the current status of trial NCT00159874?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 234 participants. The study started on 2004-01. Estimated completion is 2012-12.
What interventions are being tested in trial NCT00159874?
The interventions under investigation include: Sildenafil citrate (DRUG).
Who is sponsoring clinical trial NCT00159874?
This trial is sponsored by Pfizer's Upjohn has merged with Mylan to form Viatris, which has 158 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00159874's enrollment target sits among peer trials
234 1297th of 2000 higher than 703 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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