An Upcoming Clinical Study to Measure the Safety and Impact of a Drug Called Macitentan in Teenage and Adult Fontan Patients.
Public ClinicalTrials.gov record NCT03775421. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Prospective, Multi-center, Single-arm, Open-label Long-term Study Assessing the Safety, Tolerability, and Effectiveness of Macitentan in Fontan-palliated Adult and Adolescent Subjects
Study identification
- NCT ID
- NCT03775421
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Actelion
- Industry
- Enrollment
- 112 participants
Conditions and interventions
Interventions
- macitentan 10 mg Drug
Drug
Eligibility (public fields only)
- Age range
- 12 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 10, 2019
- Primary completion
- Jan 17, 2022
- Completion
- Jan 17, 2022
- Last update posted
- Mar 6, 2023
2019 – 2022
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Massachusetts General Hospital Heart Center | Boston | Massachusetts | 02114 | — |
| Providence Medical Research Providence Health Care | Spokane | Washington | 99202 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 17 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03775421, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 6, 2023 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03775421 live on ClinicalTrials.gov.