Safety Study for Beta Thalassemia Subjects on PTG-300
Public ClinicalTrials.gov record NCT04054921. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Open Label Extension Study of PTG-300 In Non-Transfusion Depenent (NTD) and Trasfusion-Dependent (TD) B-Thalassemia Subjects
Study identification
- NCT ID
- NCT04054921
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Protagonist Therapeutics, Inc.
- Industry
- Enrollment
- 34 participants
Conditions and interventions
Conditions
Interventions
- PTG-300 Drug
Drug
Eligibility (public fields only)
- Age range
- 12 Years to 65 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 9, 2019
- Primary completion
- Jul 30, 2020
- Completion
- Jul 30, 2020
- Last update posted
- Jul 15, 2021
2019 – 2020
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCSF Benioff Children's Hospital | Oakland | California | 94609 | — |
| Boston Children's Hospital | Boston | Massachusetts | 02215 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 14 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04054921, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 15, 2021 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04054921 live on ClinicalTrials.gov.