Myeloproliferative Neoplasms Clinical Trial

Hepcidin Mimetic in Patients With Polycythemia Vera (REVIVE)

Summary

This is a Phase 2 study with an open-label dose escalation phase followed by a blinded withdrawal phase and an open label extension. The study is designed to monitor the PTG-300 safety profile and to obtain preliminary evidence of efficacy of PTG-300 for the treatment of phlebotomy-requiring polycythemia vera.

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Full Description

Phase 2 study in approximately sixty subjects previously diagnosed with Polycythemia Vera who require phlebotomy on a routine basis. There is a 28 week dose finding phase to identify a dose that maintains hematocrit <45%. Subjects who successfully complete the dose finding phase will be entered into a 12 week randomized withdrawal phase to confirm the response. Subsequently patients will enter into an up to 3 year open label extension to investigate long term safety.

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Eligibility Criteria

Main Inclusion Criteria: All subjects must meet ALL of the following inclusion criteria to be enrolled.

Male and female subjects aged 18 years or older.
Meet revised 2016 World Health Organization (WHO) criteria for the diagnosis of polycythemia vera.
Records of all phlebotomies performed for at least 28 weeks (preferably up to 52 weeks) before dosing are available.
Subjects who are not receiving cytoreductive therapy must have been discontinued from any prior cytoreductive therapy for at least 24 weeks before screening and have recovered from any adverse events due to cytoreductive therapy.
Subjects receiving cytoreductive therapy with hydroxyurea, interferon, or ruxolitinib must have received cytoreductive therapy for at least 24 weeks and be on a stable dose or have a decreasing dose (Medical Monitor approval required) for at least 8 weeks before dosing and with no planned change in dose.

Main Exclusion Criteria: Subjects must meet NONE of the following exclusion criteria to be enrolled:

Active or chronic bleeding within 4 weeks of screening.
Meets the criteria for post-PCV myelofibrosis as defined by the International Working Group-Myeloproliferative Neoplasms Research and Treatment (IWG-MRT).
Known primary or secondary immunodeficiency.
Any surgical procedure requiring general anesthesia within 1 month prior to screening or planned elective surgery during the study.

Study is for people with:

Myeloproliferative Neoplasms

Phase:

Phase 2

Estimated Enrollment:

80

Study ID:

NCT04057040

Recruitment Status:

Active, not recruiting

Sponsor:

Protagonist Therapeutics, Inc.

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There are 16 Locations for this study

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Mayo Clinic - Mayo Clinic Hospital
Phoenix Arizona, 85054, United States
Marin Cancer Care
Greenbrae California, 94904, United States
Stanford University
Palo Alto California, 94304, United States
Moffitt Cancer Center
Tampa Florida, 33612, United States
University of Kansas
Westwood Kansas, 66205, United States
Pontchartrain Cancer Care
Covington Louisiana, 70433, United States
Center for Cancer and Blood Disorders
Bethesda Maryland, 20817, United States
University of Michigan
Ann Arbor Michigan, 48109, United States
Karmanos Cancer Center
Detroit Michigan, 48201, United States
Mount Sinai
New York New York, 10029, United States
New York Presbyterian Hospital - Weill Cornell Medical Center
New York New York, 10065, United States
Cleveland Clinic - Taussig Cancer Center
Cleveland Ohio, 44106, United States
Mary Crowley Cancer Research Center
Dallas Texas, 75230, United States
The University of Texas MD Anderson Cancer Center
Houston Texas, 77030, United States
Sahyadri Super Specialty Hospital
Pune Maharashtra, 41100, India
All India Institute of Medical Sciences
Rishikesh Uttarakhand, 24920, India

How clear is this clinincal trial information?

Study is for people with:

Myeloproliferative Neoplasms

Phase:

Phase 2

Estimated Enrollment:

80

Study ID:

NCT04057040

Recruitment Status:

Active, not recruiting

Sponsor:


Protagonist Therapeutics, Inc.

How clear is this clinincal trial information?

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