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Trial · NCT02021292

Clinical Study to Assess the Efficacy, Safety and Tolerability of Macitentan in Subjects With Inoperable Chronic Thromboembolic Pulmonary Hypertension

NCT02021292, Phase 2, Completed, Actelion; results first posted 2018-01-23

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Clinical Study to Assess the Efficacy, Safety and Tolerability of Macitentan in Subjects With Inoperable Chronic Thromboembolic Pulmonary Hypertension. Trials, record NCT02021292. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT02021292

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Clinical Study to Assess the Efficacy, Safety and Tolerability of Macitentan in Subjects With Inoperable Chronic Thromboembolic Pulmonary Hypertension
NCT number
NCT02021292
Status
Completed
Phases
Phase 2
Enrollment
80 participants, actual
Lead sponsor
Actelion
Conditions
Chronic Thromboembolic Pulmonary Hypertension
Interventions
Macitentan, Placebo
First posted
2013-12-27
Last updated
2025-03-30
Results first posted
2018-01-23

Source ClinicalTrials.gov

Registered outcomes4

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

ListOutcomeTime frameDescription
PrimaryChange From Baseline to Week 16 in Pulmonary Vascular Resistance (PVR) at Rest.From baseline to Week 16The primary efficacy endpoint is defined as the PVR at rest at Week 16 expressed as percent of baseline PVR at rest.
SecondaryChange From Baseline to Week 24 in Exercise Capacity, as Measured by the 6-minute Walk Distance (6MWD).From baseline to Week 24
The purpose of the six minute walk is to test exercise tolerance and capacity. The test measures the distance an individual is able to walk over a total of six minutes on a hard, flat surface. The goal is for the individual to walk as far as possible in six minutes.
SecondaryChange From Baseline to Week 24 in Borg Dyspnea Index Collected at the End of the 6-minute Walk Test (6MWT).From baseline to Week 24
This outcome measures the difference in the Borg dyspnea index collected at the end of the 6-minute walk test (6MWT) at Week 24 compared to baseline. The Borg dyspnea index rates the severity of dyspnea (difficult or labored breathing) on a scale from 0 ('Nothing at all') to 10 ('Very, very severe - maximal'). A decrease in the Borg dyspnea index indicates an improvement.
SecondaryProportion of Subjects With Worsening in WHO Functional Class (FC) From Baseline to Week 24From baseline to Week 24
WHO functional classes are defined as follows: 1) class I: no symptoms with exercise or at rest. No limitation of activity. 2) class II: No symptoms at rest but slight limitation with ordinary activities causing symptoms (e.g. short of breath with climbing a flight of stairs, grocery shopping, or making the bed). 3) class III: may not have symptoms at rest but activities greatly limited by shortness of breath, fatigue, or near fainting. 4) class IV: symptoms at rest (such as dyspnea and/or fatigue) and inability to carry out any physical activity without symptoms (e.g. may faint especially while bending over with their heads lowered). Patients in class IV manifest signs of right heart failure. Shifting to a higher class (e.g. from class III to class IV) represents a 'worsening' while shifting to a lower class (e.g. from class III to class II) means an 'improvement'.

Outcomes8

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChange From Baseline to Week 16 in Pulmonary Vascular Resistance (PVR) at Rest.From baseline to Week 16Full analysis set included all subjects assigned to a study treatment.percent of baseline PVRGEOMETRIC_MEAN
SECONDARYChange From Baseline to Week 24 in Exercise Capacity, as Measured by the 6-minute Walk Distance (6MWD).From baseline to Week 24Full analysis setmeterMEAN
SECONDARYChange From Baseline to Week 24 in Borg Dyspnea Index Collected at the End of the 6-minute Walk Test (6MWT).From baseline to Week 24Full analysis setScore on a scaleMEAN
SECONDARYProportion of Subjects With Worsening in WHO Functional Class (FC) From Baseline to Week 24From baseline to Week 24Full analysis setParticipantsCOUNT_OF_PARTICIPANTS
POST_HOCPost-hoc Analysis of Change From Baseline to Week 16 in Pulmonary Vascular Resistance (PVR) at Rest Including Subjects With Corrected Hemodynamic ValuesFrom baseline to Week 16Full analysis set for this post-hoc analysis included all subjects assigned to a study treatment with SDV values.Percent of baseline PVRGEOMETRIC_MEAN
POST_HOCPost-hoc Analysis of Change From Baseline to Week 16 in Pulmonary Vascular Resistance (PVR) at Rest Excluding Subjects With Corrected Hemodynamic ValuesFrom baseline to Week 16Full analysis set excluding subjects with corrected hemodynamic values.Percent of baseline PVRGEOMETRIC_MEAN
POST_HOCPost-hoc Analysis of Change From Baseline to Week 16 in Pulmonary Vascular Resistance (PVR) at Rest Excluding Subjects With Implausible Hemodynamic FindingsFrom baseline to Week 16Full analysis set excluding subjects with implausible hemodynamic findings.Percent of baseline PVRGEOMETRIC_MEAN
POST_HOCPost-hoc Analysis of Change From Baseline to Week 24 in Exercise Capacity, as Measured by the 6-minute Walk Distance (6MWD) Excluding Subjects With Implausible Hemodynamic FindingsFrom baseline to Week 24Full analysis set excluding subjects with implausible hemodynamic findings.meterLEAST_SQUARES_MEAN

Results by group46

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Change From Baseline to Week 16 in Pulmonary Vascular Resistance (PVR) at Rest.Macitentan73.095% Confidence Interval 63.6 to 83.8percent of baseline PVR
Change From Baseline to Week 16 in Pulmonary Vascular Resistance (PVR) at Rest.Placebo87.295% Confidence Interval 78.5 to 96.7percent of baseline PVR
Change From Baseline to Week 24 in Exercise Capacity, as Measured by the 6-minute Walk Distance (6MWD).Macitentan6MWD (m) at baseline353.0Standard Deviation 87.90meter
Change From Baseline to Week 24 in Exercise Capacity, as Measured by the 6-minute Walk Distance (6MWD).Placebo6MWD (m) at baseline351.2Standard Deviation 73.79meter
Change From Baseline to Week 24 in Exercise Capacity, as Measured by the 6-minute Walk Distance (6MWD).Macitentan6MWD (m) at Week 24388.0Standard Deviation 83.31meter
Change From Baseline to Week 24 in Exercise Capacity, as Measured by the 6-minute Walk Distance (6MWD).Placebo6MWD (m) at Week 24352.2Standard Deviation 121.29meter
Change From Baseline to Week 24 in Exercise Capacity, as Measured by the 6-minute Walk Distance (6MWD).MacitentanChange in 6MWD (m) from baseline to Week 2435.0Standard Deviation 52.52meter
Change From Baseline to Week 24 in Exercise Capacity, as Measured by the 6-minute Walk Distance (6MWD).PlaceboChange in 6MWD (m) from baseline to Week 241.0Standard Deviation 83.24meter
Change From Baseline to Week 24 in Borg Dyspnea Index Collected at the End of the 6-minute Walk Test (6MWT).MacitentanBorg dyspnea index score at baseline4.2Standard Deviation 2.52Score on a scale
Change From Baseline to Week 24 in Borg Dyspnea Index Collected at the End of the 6-minute Walk Test (6MWT).PlaceboBorg dyspnea index score at baseline4.2Standard Deviation 2.14Score on a scale

Participant flow6

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDMacitentan40
Overall StudySTARTEDPlacebo40
Overall StudyCOMPLETEDMacitentan40
Overall StudyCOMPLETEDPlacebo37
Overall StudyNOT COMPLETEDMacitentan0
Overall StudyNOT COMPLETEDPlacebo3

Adverse events70

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAlanine aminotransferase increasedInvestigationsMacitentan0400
otherAlanine aminotransferase increasedInvestigationsPlacebo3404
otherArthralgiaMusculoskeletal and connective tissue disordersMacitentan1401
otherArthralgiaMusculoskeletal and connective tissue disordersPlacebo3403
otherAspartate aminotransferase increasedInvestigationsMacitentan0400
otherAspartate aminotransferase increasedInvestigationsPlacebo3404
otherBack painMusculoskeletal and connective tissue disordersMacitentan0400
otherBack painMusculoskeletal and connective tissue disordersPlacebo2402
otherBone painMusculoskeletal and connective tissue disordersMacitentan2403
otherBone painMusculoskeletal and connective tissue disordersPlacebo0400

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityMacitentan040
Total, all-cause mortalityPlacebo240
Total, other adverse eventsMacitentan2240
Total, other adverse eventsPlacebo1940
Total, serious adverse eventsMacitentan340
Total, serious adverse eventsPlacebo740

Papers3

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
28919201RESULTPubMed
38548406DERIVEDPubMed
39520648DERIVEDPubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons2

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

ComparisonSource
Macitentan vs Placebo: deaths from any causeTrial comparisons
Macitentan vs Placebo: serious adverse eventsTrial comparisons

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

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.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT02021292

GET https://conductscience.org/api/trials/v1/NCT02021292/results?page=2