Study to Evaluate the Long-term Safety of Rusfertide (PTG-300) in Subjects With Polycythemia Vera
← catalyst calendarSponsored by Protagonist Therapeutics, Inc. (industry) · PTGX — their whole pipeline →.
Phase
Phase 3
Status
Active, not recruiting
Study type
Interventional
Design
Na · None · Treatment
Enrollment
46actual
Sites
1
Country
United States
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2024-01-22 | actual | When the study began enrolling |
| Primary completion | 2026-04-01 | estimated | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2027-04-01 | estimated | The whole study's end, after follow-up |
| First posted | 2023-09-13 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2025-08-06 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Polycythemia Vera
Intervention
- Drug: Open-label rusfertide
Primary outcomes
what the primary-completion date above is the date OFHematocrit
measured 0-2 years
Phlebotomies
measured 0-2 years
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