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OpenTrials
Completed

NCT Number: NCT00851929

Ambrisentan (Letairis) for Sarcoidosis Associated Pulmonary Hypertension

Hypothesis: Ambrisentan (Letairis ®) is safe and effective in treating pulmonary hypertension in patients with Sarcoidosis

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Key information

Age range

18 year–99 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2 / Phase 3

Primary location

University of North Carolina Medical Center, Chapel Hill, North Carolina, United States

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About this study

Primary Endpoint: Change in 6 minute walk distance.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Biopsy proven sarcoidosis
  • Mean pulmonary artery pressure > 25 mmHg at rest and greater than 30 mmHg with exercise by right heart catheterization within 1 year prior to entry into study
  • Pulmonary capillary wedge pressure ≤ 15 mmHg
  • PVR values >3.0 Woods units
  • Forced vital capacity (FVC) >40%
  • WHO functional class II or III
  • Stable sarcoidosis treatment regimen for three months prior to entry into study
  • 6 minute walk distance between 150-450 meters
  • Stable dose of antihypertensive medications
  • On no other medication to treat PAH (sildenafil, tadalafil, vardenafil, treprostinil, epoprostenol, iloprost, bosentan, sitaxsentan) within one month prior to enrollment and during duration of the study
  • Non-pregnant females

Exclusion criteria

  • Exercise limitation related to a non-cardiopulmonary reason (e.g. arthritis)
  • Severe systemic hypertension > 170/95
  • Patients with congestive heart failure (left ventricular dysfunction) or primary right ventricular dysfunction
  • Anticipation by the investigator for escalation in sarcoidosis treatment during the course of the study
  • Pulmonary hypertension related to etiology other than sarcoidosis (i.e. HIV, scleroderma, etc.)
  • Use within 1 month of an endothelin receptor antagonists (bosentan, sitaxsentan).
  • WHO functional class IV status
  • Patients with significant left ventricular dysfunction
  • Significant liver dysfunction not due to sarcoidosis.
  • Patients with severe other organ disease felt by investigators to impact on survival during the course of the study.

Treatment and study plan

Ambrisentan

Drug

ambrisentan 5 mg/day for month month, then 10 mg/day for 3 additional months

Other names: Letairis

Primary outcomes

  1. Change in 6 minute walk distance.

    Time frame: 4 months of therapy

Sponsors and collaborators

Lead sponsor

Medical University of South Carolina

Other

Collaborators

  • Gilead Sciences

Registry information

Important dates

Study start
2008
Primary completion
2011
Study completion
2011
First posted
Feb 26, 2009
Registry last updated
Aug 2, 2018

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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