> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/company/protagonist-therapeutics-inc-c45aec26-f4ff-467a-bd57-017aafd6b9e5
> Record changed: 2026-10-13

# Protagonist Therapeutics, Inc.

Headquarters country

United States

Source: [www.sec.gov](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001377121)

Registry sponsor category

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/)

## Names and classification

**Other names**

- Protagonist Therapeutics, Inc.

**Company name**

Protagonist Therapeutics, Inc.

**Organisation type**

Industry

**Registered legal name**

Protagonist Therapeutics, Inc

Source: [www.sec.gov](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001377121)

**US industry code (SIC)**

Pharmaceutical preparations

Source: [www.sec.gov](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001377121)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/)

## Location and listing

**Headquarters country**

United States

Source: [www.sec.gov](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001377121)

**Publicly traded (proxy)**

Yes

**Listing at source**

Listed

## Identifiers

**SEC filer number (CIK)**

0001377121

Source: [www.sec.gov](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001377121)

## Related records

### Trials (14)

- A Phase 3 Study of Rusfertide in Patients With Polycythemia Vera
- Hepcidin Mimetic in Patients With Polycythemia Vera (REVIVE)
- Pharmacokinetics and Pharmacodynamics of Different PTG-300 Regimens in Healthy Volunteers
- Pharmacokinetics of PN-232 in Healthy Volunteers
- Pharmacokinetics of PN-235 in Healthy Volunteers
- PN-943 in Adults With Moderate to Severe Active Ulcerative Colitis (UC)
- PTG-100 for Patients With Celiac Disease
- PTG-300 in Patients With Polycythemia Vera and Elevated Hematocrit
- PTG-300 in Subjects With Hereditary Hemochromatosis
- Safety and Efficacy Study of PTG-100 in the Treatment of Moderate to Severe Ulcerative Colitis
- Safety Study for Beta Thalassemia Subjects on PTG-300
- [Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of PN-881 in Healthy Subjects.](https://trialight.com/data/trial/safety-tolerability-pharmacokinetics-and-pharmacodynamics-of-41d3c631-3e96-4baf-a070-4f6336c70114.md)
- Study of PTG-300 in Non-Transfusion Dependent and Transfusion-Dependent Beta-Thalassemia Subjects With Chronic Anemia
- Study to Evaluate the Long-term Safety of Rusfertide (PTG-300) in Subjects With Polycythemia Vera

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