A Study of Selexipag as Add-On Treatment to Standard of Care in Children With Pulmonary Arterial Hypertension
Public ClinicalTrials.gov record NCT04175600. 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
A Randomized, Multicenter, Double-Blind, Placebo-Controlled, Parallel-Group Study With Open-Label Extension Period to Assess the Efficacy and Safety of Selexipag as Add-On Treatment to Standard of Care in Children Aged >=2 to <18 Years With Pulmonary Arterial Hypertension
Study identification
- NCT ID
- NCT04175600
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Actelion
- Industry
- Enrollment
- 138 participants
Conditions and interventions
Conditions
Interventions
- Placebo Drug
- SOC: Phosphodiesterase type 5 (PDE-5) inhibitor Drug
- SOC: Soluble guanylate cyclase stimulator Drug
- Selexipag Drug
- Standard of Care (SOC): Endothelin receptor antagonist Drug
Drug
Eligibility (public fields only)
- Age range
- 2 Years to 17 Years
- 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
- Jan 15, 2020
- Primary completion
- Oct 10, 2024
- Completion
- Sep 30, 2027
- Last update posted
- May 7, 2026
2020 – 2027
United States locations
- U.S. sites
- 13
- U.S. states
- 12
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Phoenix Children's Hospital | Phoenix | Arizona | 85016 | — |
| UCLA Medical Center | Los Angeles | California | 90095 | — |
| UCSF | San Francisco | California | 94158 | — |
| Childrens Hospital Colorado | Aurora | Colorado | 80045 | — |
| Children's National Medical Center | Washington D.C. | District of Columbia | 20010 | — |
| Congenital Heart Center of the University of Florida | Gainesville | Florida | 32610 | — |
| Riley Hospital for Children | Indianapolis | Indiana | 46202 | — |
| Detroit Medical Center | Detroit | Michigan | 48201 | — |
| Cincinnati Children's Hospital Medical Center | Cincinnati | Ohio | 45229 | — |
| Childrens Hospital Of Philadelphia | Philadelphia | Pennsylvania | 19104 | — |
| Texas Children's Hospital | Houston | Texas | 77030 | — |
| Primary Children's Hospital | Salt Lake City | Utah | 84113 | — |
| University of Virginia Division of Pediatric Cardiology | Charlottesville | Virginia | 22908 | — |
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 103 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04175600, 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 May 7, 2026 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04175600 live on ClinicalTrials.gov.