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NCT00777920 · ClinicalTrials.gov registry record · Phase 3

Study of Ambrisentan in Participants With Pulmonary Hypertension

A Phase 3 study, sponsored by Gilead Sciences.

Completed
Registry status
Phase 3
Development phase
140
Enrollment target

NCT00777920: Completed Phase 3 study, sponsored by Gilead Sciences.

NCT00777920 is a Phase 3 study that has completed, run by Gilead Sciences. The registered enrollment target is 140 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (82% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00777920, a Phase 3 study, has completed, sponsored by Gilead Sciences.

COMPLETED
Registry status
Phase 3
Development phase
140 participants
Enrollment target

Study Summary

The primary objective of this study is to monitor the long-term safety of ambrisentan in adult participants with pulmonary hypertension. The available ambrisentan doses for this study are 2.5, 5, or 10 mg administered orally once daily. Investigators will be able to adjust ambrisentan dose as clinically indicated. A minimum of 4 weeks between dose adjustments is required. Participants receiving other therapies for pulmonary hypertension that are not contraindicated for concomitant use with ambrisentan are permitted to enroll in this study and continue to receive such therapies. Participants enrolled in this study will receive treatment with ambrisentan until such time as the investigator or participant chooses to stop ambrisentan treatment, ambrisentan becomes commercially available, or the sponsor stops the study.

Interventions

  • DRUG Ambrisentan

Trial Details

FieldValue
Enrollment Target 140 participants
Start Date 2008-11-17
Est. Completion 2019-09-11
Phase Phase 3
Gilead Sciences

504 total trials

What the finished NCT00777920 record still lists

NCT00777920 is an interventional study that assigns participants to a tested intervention. The registered 140 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 (82% lower).

The record links to 0 conditions, and to 1 intervention - of which Ambrisentan is the first listed.

NCT00777920 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00777920 about?

NCT00777920 is a clinical study titled "Study of Ambrisentan in Participants With Pulmonary Hypertension". The primary objective of this study is to monitor the long-term safety of ambrisentan in adult participants with pulmonary hypertension. The available ambrisentan doses for this study are 2.5, 5, or 10 mg administered orally once daily. Investigators will be able to adjust ambrisentan dose as clinic...

What is the current status of trial NCT00777920?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 140 participants. The study started on 2008-11-17. Estimated completion is 2019-09-11.

What interventions are being tested in trial NCT00777920?

The interventions under investigation include: Ambrisentan (DRUG).

Who is sponsoring clinical trial NCT00777920?

This trial is sponsored by Gilead Sciences, which has 504 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00777920's enrollment target sits among peer trials

140 1565th of 2000 higher than 424 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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Source: ClinicalTrials.gov NCT00777920, the US trial registry maintained by the National Library of Medicine. NCT00777920 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.