Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 6, 2026, 4:55 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
β-thalassemia, Ineffective Erythropoiesis
Interventions
PTG-300
Drug
Lead sponsor
Protagonist Therapeutics, Inc.
Industry
Eligibility
12 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Oakland, California • Boston, Massachusetts
Conditions
Polycythemia Vera
Interventions
PTG-300, Placebo
Drug
Lead sponsor
Protagonist Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
14
States / cities
Phoenix, Arizona • Greenbrae, California • Palo Alto, California + 10 more
Conditions
Polycythemia Vera
Interventions
Placebo, Rusfertide
Drug
Lead sponsor
Protagonist Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
293 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
80
States / cities
Mobile, Alabama • Glendale, Arizona • Duarte, California + 66 more
Conditions
β-thalassemia, Ineffective Erythropoiesis, Chronic Anemia
Interventions
PTG-300
Drug
Lead sponsor
Protagonist Therapeutics, Inc.
Industry
Eligibility
12 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
3
States / cities
Oakland, California • Boston, Massachusetts • Philadelphia, Pennsylvania
Completed Phase 2 Interventional Results available

PTG-300 in Subjects With Hereditary Hemochromatosis

NCT04202965
Conditions
Hereditary Hemochromatosis
Interventions
PTG-300
Drug
Lead sponsor
Protagonist Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
9
States / cities
Fayetteville, Georgia • Bethesda, Maryland • Charlotte, North Carolina + 5 more
Conditions
Polycythemia Vera
Interventions
Open-label rusfertide
Drug
Lead sponsor
Protagonist Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Covington, Louisiana