A Clinical Study to Compare the Impact of Multiple-dose Oral Administration of Macitentan, 10 mg versus 75 mg on Endothelin-1 Clearance, Endothelial Function, and Hemodynamics in Healthy Participants

2024-517652-35-00 Protocol 67896062PAH1011 Human pharmacology (Phase I) - Bioequivalence study Ended

Start 1 Apr 2025 · End 19 Mar 2026 · Status Ended · 1 EU/EEA countries · 1 sites · Protocol 67896062PAH1011

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Bioequivalence study
Status Ended
Participants planned 20
Countries 1
Sites 1

Pulmonary Arterial Hypertension

Key facts

Sponsor
Actelion Pharmaceuticals Ltd.
Participant type
Healthy volunteers
Age range
18-64 years
Gender
Male and Female
Therapeutic area
Diseases [C] - Cardiovascular Diseases [C14]
Trial duration
1 Apr 2025 → 19 Mar 2026
Decision date (initial)
2025-01-13
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Pulmonary Arterial Hypertension

VersionLevelCodeTermSystem organ class
21.1 PT 10064911 Pulmonary arterial hypertension 100000004855

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Actelion Pharmaceuticals Ltd.

Sponsor organisation
Actelion Pharmaceuticals Ltd.
Address
Gewerbestrasse 16
City
Allschwil
Postcode
4123
Country
Switzerland

Scientific contact point

Organisation
Actelion Pharmaceuticals Ltd.
Contact name
CTIS Point of Contact

Public contact point

Organisation
Actelion Pharmaceuticals Ltd.
Contact name
CTIS Point of Contact

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ended 20 1
Rest of world 0

Investigational sites

France

1 site · Ended
Centre Hospitalier Universitaire Rouen
Service de pharmacologie clinique, 1 Rue De Germont, Bp 96031, Rouen Cedex

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
France 2025-04-01 2026-03-19 2025-04-01 2026-01-23

Application history

6 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-09-30 France Acceptable
2024-11-05
2025-01-13
2 NON SUBSTANTIAL MODIFICATION NSM-1 2025-01-28 France Acceptable
2024-11-05
2025-01-28
3 SUBSTANTIAL MODIFICATION SM-1 2025-01-29 France Acceptable
2025-02-25
2025-02-25
4 SUBSTANTIAL MODIFICATION SM-2 2025-03-05 France Acceptable 2025-04-15
5 SUBSTANTIAL MODIFICATION SM-3 2025-09-11 France Acceptable
2025-09-15
2025-10-02
6 SUBSTANTIAL MODIFICATION SM-4 2026-01-12 France Acceptable
2026-02-04
2026-02-04