CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 46 enrolled / 46 target
Drug / intervention
Sotaterceptbiological
Likely dose
Sotatercept 0.3 mg/kgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05818137
NCT05818137Phase 3CompletedMonitor (1.2/mo)Completion was 27mo ago

A Phase 3 Non-randomized, Non-controlled, Open Label Clinical Study to Evaluate the Efficacy and Safety of MK-7962 (Sotatercept) add-on to Background Therapy in Japanese Participants With Pulmonary Arterial Hypertension (PAH)

Merck Sharp & Dohme LLC·interventional·Posted Apr 18, 2023·Updated Jun 10, 2026

In Brief

A Phase 3 clinical trial evaluating Sotatercept for Pulmonary Arterial Hypertension. Completed, enrolled 46 participants across 17 sites.

Signals

Enrolling slower than its timeline implies

Detailed Summary

This local Phase 3 study is planned to confirm the efficacy and safety in Japanese PAH participants. The primary population of this study is Japanese PAH participants with World Health Organization Functional Class (WHO FC) II or III while the study includes PAH participants with WHO FC I or IV as other populations. There are no hypotheses for this study.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesJapan
Collaborators--

Timeline

Phase 3CompletedFinished
202420252026
First PostedApr 18, 2023
Enrollment StartMay 10, 2023
Primary CompletionMar 12, 2024
Study CompletionNov 6, 2025
TodayJul 2, 2026
Enrollment to primary: 10 monthsPosted 3.2 years ago

Arms & Interventions

Sotaterceptexperimental

Participants on background PAH therapy will receive sotatercept subcutaneous (SC) injections at a starting dose of 0.3 mg/kg with a target dose of 0.7 mg/kg every 3 weeks up to 24 weeks. Thereafter, participants may choose to receive the sotatercept treatment at same dose and schedule in the extension treatment period from Week 24 until up to 6 months after sotatercept becomes locally commercially available and reimbursed in Japan.

Biological: Sotatercept

Interventions

Sotaterceptbiological

SC injection at a starting dose of 0.3 mg/kg with a target dose of 0.7 mg/kg every 21 days plus background PAH therapy.