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ClinicalTrials.gov public records Last synced Oct 25, 2026, 10:13 AM EDT

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Showing 25–39 of 39 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: macitentan Clear all
Completed No phase listed Observational Results available

Study of Incidence of Respiratory Tract AEs in Patients Treated With Tyvaso® Compared to Other FDA Approved PAH Therapies

NCT01266265
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
inhaled prostacyclin, prostacyclin, subcutaneous and intravenous prostacyclin, oral ERA, oral PDE5 inhibitors
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
Not listed
Enrollment
1,333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
88
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 65 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 25, 2026, 10:13 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate Efficacy and Safety of Macitentan 75 mg in Inoperable or Persistent/Recurrent Chronic Thromboembolic Pulmonary Hypertension

NCT04271475
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension
Interventions
Macitentan, Placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 80 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
24
States / cities
La Jolla, California • Los Angeles, California • Sacramento, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2025 · Synced Oct 25, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Results available

Clinical Study to Assess the Long-term Safety and Tolerability of ACT 064992 in Patients With Symptomatic Pulmonary Arterial Hypertension

NCT00667823
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan
Drug
Lead sponsor
Actelion
Industry
Eligibility
12 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2020
U.S. locations
39
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 32 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 25, 2026, 10:13 AM EDT
Terminated Phase 3 Interventional

Effects of Combination Medical Therapy Followed by BPA on Right Ventricular-PA Coupling and Hemodynamics in CTEPH

NCT05140525
View directory record Official record
Conditions
CTEPH
Interventions
Macitentan Tablets, Riociguat, balloon pulmonary angioplasty
Drug · Device
Lead sponsor
Dr Sudarshan Rajagopal
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 25, 2026, 10:13 AM EDT
Terminated Phase 3 Interventional Results available

An Upcoming Clinical Study to Measure the Safety and Impact of a Drug Called Macitentan in Teenage and Adult Fontan Patients.

NCT03775421
View directory record Official record
Conditions
Congenital Heart Disease With Fontan Circulation
Interventions
macitentan 10 mg
Drug
Lead sponsor
Actelion
Industry
Eligibility
12 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Boston, Massachusetts • Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced Oct 25, 2026, 10:13 AM EDT
Completed No phase listed Observational

Retrospective Chart Review of First-time Opsumit® (Macitentan) Users in the United States

NCT03197688
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Notapplicable
Other
Lead sponsor
Actelion
Industry
Eligibility
Not listed
Enrollment
2,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
105
States / cities
Phoenix, Arizona • La Jolla, California • Loma Linda, California + 89 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 25, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Clinical Study to Evaluate the Safety and Tolerability of Macitentan in Subjects With Combined Pre- and Post-capillary Pulmonary Hypertension (CpcPH) Due to Left Ventricular Dysfunction

NCT02070991
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Macitentan, Placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
6
States / cities
Louisville, Kentucky • Boston, Massachusetts • Ann Arbor, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Oct 25, 2026, 10:13 AM EDT
Terminated Phase 1 Interventional

Clinical Study on Macitentan, RT and TMZ Concurrent Therapy Followed by Maintenance Macitentan and TMZ in Newly Diagnosed Glioblastoma

NCT02254954
View directory record Official record
Conditions
Glioblastoma
Interventions
Macitentan in combination with RT and TMZ
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 27, 2018 · Synced Oct 25, 2026, 10:13 AM EDT
Completed No phase listed Observational

OPsumit USers Registry

NCT02126943
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Opsumit (macitentan)
Drug
Lead sponsor
Actelion
Industry
Eligibility
Not listed
Enrollment
2,686 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
144
States / cities
Mobile, Alabama • Phoenix, Arizona • Fullerton, California + 117 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 25, 2026, 10:13 AM EDT
Terminated Phase 4 Interventional Results available

Crossover Study From Macitentan or Bosentan Over to Ambrisentan

NCT02885012
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Ambrisentan
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
New Orleans, Louisiana • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced Oct 25, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Clinical Study to Assess the Efficacy and Safety of Macitentan in Patients With Pulmonary Hypertension After Left Ventricular Assist Device Implantation

NCT02554903
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Macitentan 10mg, Placebo sugar pill
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
50
States / cities
Phoenix, Arizona • Tucson, Arizona • Beverly Hills, California + 42 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 25, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Results available

Clinical Study Assessing the Efficacy and Safety of Macitentan in Fontan-palliated Subjects

NCT03153137
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Macitentan 10 mg, Placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
12 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
6
States / cities
Birmingham, Alabama • Los Angeles, California • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 25, 2026, 10:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Fixed Dose Combination of Macitentan/Tadalafil (10 mg/20 mg) Compared to the Reference Free Combination of Macitentan and Tadalafil in Healthy Adult Participants

NCT05236231
View directory record Official record
Conditions
Healthy
Interventions
Macitentan 10 mg, Tadalafil 20 mg, Macitentan 10 mg/Tadalafil 20mg FDC
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 25, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Results available

The Efficacy and Safety of Initial Triple Versus Initial Dual Oral Combination Therapy in Patients With Newly Diagnosed Pulmonary Arterial Hypertension

NCT02558231
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan, Tadalafil, Selexipag
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 75 Years
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
20
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 25, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Results available

A Study of Tadalafil in Pediatric Participants With Pulmonary Arterial Hypertension (PAH)

NCT01824290
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Tadalafil, Placebo, ERA as specific PAH treatment
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
6 Months to 17 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
7
States / cities
Atlanta, Georgia • Detroit, Michigan • Cincinnati, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 25, 2026, 10:13 AM EDT