A Study Evaluating the Safety and Tolerability of Artesunate in Patients With Pulmonary Arterial Hypertension
(STOP-PAH)
Phase I Study: A Dose-Escalation Study Evaluating the Safety and Tolerability of Artesunate in Patients With Pulmonary Arterial Hypertension
1 other identifier
interventional
15
1 country
1
Brief Summary
This is a 20-week, Phase 1, single-center, open-label, dose-escalation study evaluating the safety and tolerability of daily oral artesunate in patients with PAH.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1
Started Apr 2026
Typical duration for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 6, 2025
CompletedFirst Posted
Study publicly available on registry
March 12, 2025
CompletedStudy Start
First participant enrolled
April 1, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2029
ExpectedStudy Completion
Last participant's last visit for all outcomes
January 1, 2029
April 23, 2026
April 1, 2026
2.8 years
March 6, 2025
April 21, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of Participants with treatment-related Adverse Events (AEs) and Serious Adverse Events (SAEs)
16 weeks
Study Arms (1)
Open Label Treatment Arm
EXPERIMENTALDose escalating study with a Follow-up (washout) Period: Total study period of the open-label study: 14 weeks Screening Period: up to 4 weeks Treatment Period (20 mg TID): 4 weeks Treatment Period (40 mg TID): 4 weeks Treatment Period (60 mg TID): 4 weeks Follow-up (washout) Period: 2 weeks after treatment period ends
Interventions
Participants will receive artesunate capsules. Participants will receive artesunate capsules TID in a dose escalation manner (60 mg, 120 mg, 180 mg total daily).
Eligibility Criteria
You may qualify if:
- Each participant must meet the following criteria to be enrolled in this study:
- Adults aged 18 to 75 years.
- WHO functional class I, II/III despite treatment with maximally tolerated doses of 2 or more treatment modalities including PDE5 inhibitors, guanylate cyclase stimulators, endothelin receptor antagonists, and prostanoids when appropriate.
You may not qualify if:
- Participants who meet any of the following criteria will be excluded from the study.
- Participants with serious concomitant morbidity per investigator assessment.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Joseph C. Wulead
Study Sites (1)
Stanford University
Stanford, California, 94305, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Roham Zamanian, MD
Stanford University
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Director, Stanford Cardiovascular Institute
Study Record Dates
First Submitted
March 6, 2025
First Posted
March 12, 2025
Study Start
April 1, 2026
Primary Completion (Estimated)
January 1, 2029
Study Completion (Estimated)
January 1, 2029
Last Updated
April 23, 2026
Record last verified: 2026-04
Data Sharing
- IPD Sharing
- Will not share