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Trial · NCT00423592

Registered outcomes16

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
Primary
The Incidence of Confirmed Serum Alanine Aminotransferase (ALT) or Aspartate Aminotransferase (AST) Concentrations > 3 x the Upper Limit of Normal (ULN) Considered to be Related to Ambrisentan and Resulted in Discontinuation of Study Drug.
Week 12
The number of participants in the safety analysis set with confirmed serum ALT or AST concentrations \> 3 x ULN during 12 weeks of ambrisentan therapy that were related to ambrisentan and resulted in discontinuation of study drug. Safety analysis set included all participants who received at least 1 dose of study drug.
SecondaryThe Incidence of Confirmed Serum ALT or AST Concentrations > 5 x ULN That Were Related to Ambrisentan and Resulted in Discontinuation of Study Drug.Week 12
The number of participants in the safety analysis set with confirmed serum ALT or AST concentrations \> 5 x ULN during 12 weeks of ambrisentan therapy that were related to ambrisentan and resulted in discontinuation of drug. Safety analysis set included all participants who received at least 1 dose of study drug.
SecondaryThe Incidence of Confirmed Serum ALT or AST Concentrations > 3 x ULN That Were Related to Ambrisentan and Resulted in Dose ReductionWeek 12
The number of participants in the safety analysis set with confirmed serum ALT or AST concentrations \> 3 x ULN during 12 weeks of ambrisentan therapy that were related to ambrisentan and resulted in dose reduction. Safety analysis set included all participants who received at least 1 dose of study drug.
SecondaryA Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in the 6-Minute Walk Distance Test (6MWD)Baseline to Week 12The 6MWD test is a measure of exercise tolerance, and measures the distance an individual is able to walk over a total of six minutes on a hard, flat surface.
SecondaryA Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in Borg Dyspnea Index Immediately Following ExerciseBaseline to Week 12
Change from baseline evaluated after 12 weeks of ambrisentan therapy in Borg dyspnea index (measured as units on a scale) immediately following exercise. Borg Dyspnea Index, a measure of perceived shortness of breath: 0 units on a scale (none) to 10 units on a scale (maximum breathlessness).
SecondaryA Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in WHO Functional ClassBaseline to Week 12
Classes: I) pulmonary hypertension (PH); ordinary physical activity not limited or causes undue dyspnea or fatigue, chest pain, or near syncope. II) PH; ordinary physical activity slightly limited and causes undue dyspnea or fatigue, chest pain, or near syncope; comfortable at rest. III) PH; physical activity markedly limited and less than ordinary physical activity causes undue dyspnea or fatigue, chest pain, or near syncope; comfortable at rest. IV) PH; physical activity causes symptoms and increased discomfort; signs of right heart failure; dyspnea/fatigue possibly at rest.
SecondaryA Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in Short Form 36 (SF-36) Health Survey Scale - Composite Physical HealthBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). The first 6 concepts constitute the physical component summary. Each item is scored from 0 to 100 (least healthy to most healthy).
SecondarySecondary Outcome: A Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in SF-36 Health Survey Scale - Composite Mental HealthBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). The last 5 concepts constitute the mental component summary. Each item is scored from 0 to 100 (least healthy to most healthy).
SecondarySecondary Outcome: A Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in SF-36 Health Survey Scale - Physical FunctioningBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). Each item is scored from 0 to 100 (least healthy to most healthy).
SecondarySecondary Outcome: A Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in SF-36 Health Survey Scale - Role PhysicalBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). Each item is scored from 0 to 100 (least healthy to most healthy).
SecondarySecondary Outcome: A Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in SF-36 Health Survey Scale - Bodily PainBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). Each item is scored from 0 to 100 (least healthy to most healthy).
SecondarySecondary Outcome: A Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in SF-36 Health Survey Scale - General HealthBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). Each item is scored from 0 to 100 (least healthy to most healthy).
SecondarySecondary Outcome: A Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in SF-36 Health Survey Scale - VitalityBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). Each item is scored from 0 to 100 (least healthy to most healthy).
SecondarySecondary Outcome: A Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in SF-36 Health Survey Scale - Social FunctioningBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). Each item is scored from 0 to 100 (least healthy to most healthy).
SecondarySecondary Outcome: A Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in SF-36 Health Survey Scale - Role EmotionalBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). Each item is scored from 0 to 100 (least healthy to most healthy).
SecondarySecondary Outcome: A Change From Baseline Evaluated After 12 Weeks of Ambrisentan Therapy in SF-36 Health Survey Scale - Mental HealthBaseline to Week 12
The SF-36 Health Survey is a self-reporting, multi-item scale measuring 8 health concepts: 1) physical functioning, 2) role limitations due to physical health problems, 3) bodily pain, 4) general health, 5) vitality (energy/fatigue), 6) social functioning, 7) role limitations due to emotional problems and 8) mental health (psychological distress and psychological well-being). Each item is scored from 0 to 100 (least healthy to most healthy).

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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