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Polycythemia Vera clinical trials
Every US clinical trial registered for Polycythemia Vera — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.
23 US clinical trials · 10 currently recruiting
The research picture
Polycythemia Vera has 23 registered US clinical trials, 10 of them open to new participants right now — about 43% of the total.
- 10
- recruiting participants now
- 43%
- of trials open to enrollment
- 5
- in Phase 3–4 (later-stage)
- 3
- top sponsor: National Cancer Institute (NCI)
Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.
Active & Recent Trials
MPN PROGRESSion Registry: Observational Study Tracking Symptoms, Treatments, and Disease Progression in People With Myeloproliferative Neoplasms (MPNs)
MPN Research Foundation
NCT07362225
A ELN-Multicenter Study on Phenotypic Evolution and Clinical Outcomes
FROM- Fondazione per la Ricerca Ospedale di Bergamo- ETS
NCT07203768
A Study to Evaluate Safety and Efficacy of Bomedemstat (MK-3543-017)
Merck Sharp & Dohme
NCT06351631
Study on Efficacy and Safety of Givinostat Versus Hydroxyurea in Patients With Polycythemia Vera
Italfarma
NCT06093672
A Randomized Study of ASTX727 With or Without Iadademstat in Advanced Myeloproliferative Neoplasms (MPNs)
National Cancer Institute (NCI)
NCT06661915
Ruxolitinib in Thrombocythemia and Polycythemia Vera
Massachusetts General Hospital
NCT04644211
Curcumin to Improve Inflammation and Symptoms in Patients With Clonal Cytopenia of Undetermined Significance, Low Risk Myelodysplastic Syndrome, and Myeloproliferative Neoplasms
University of Southern California
NCT06063486
An Optimal Dose Finding Study of N-Acetylcysteine in Patients With Myeloproliferative Neoplasms
University of California, Irvine
NCT05123365
Decitabine With Ruxolitinib, Fedratinib or Pacritinib for the Treatment of Accelerated/Blast Phase Myeloproliferative Neoplasms
University of Washington
NCT04282187
Pacritinib w/ Talazoparib in Pts w/ Myeloproliferative Neoplasms Unresponsive to JAK2 Inhibition
Fox Chase Cancer Center
NCT06218628
A Phase 3 Study of Rusfertide in Patients With Polycythemia Vera
Protagonist Therapeutics
NCT05210790
A Study to Assess Efficacy, Safety, and Tolerability of P1101 in Adult Patients With PV
PharmaEssentia
NCT05481151
Study to Assess SLN124 in Patients With Polycythemia Vera
Silence Therapeutics
NCT05499013
Study to Evaluate the Long-term Safety of Rusfertide (PTG-300) in Subjects With Polycythemia Vera
Protagonist Therapeutics
NCT06033586
Topotecan Hydrochloride and Carboplatin With or Without Veliparib in Treating Advanced Myeloproliferative Disorders and Acute Myeloid Leukemia or Chronic Myelomonocytic Leukemia
National Cancer Institute (NCI)
NCT03289910
IMG-7289 in Patients With Essential Thrombocythemia (ET) or Polycythemia Vera (PV)
Terrence J Bradley, MD
NCT04262141
Open Label Ruxolitinib (INCB018424) in Patients With Myelofibrosis and Post Polycythemia Vera/Essential Thrombocythemia Myelofibrosis
Incyte Corporation
NCT00509899
Study of LY2784544 Testing Alternative Dosing in Participants With Myeloproliferative Neoplasms
Eli Lilly and Company
NCT01520220
TGR-1202 + Ruxolitinib PMF PPV-MF PET-MF MDS/MPN Polycythemia Vera Resistant to Hydroxyurea
Vanderbilt-Ingram Cancer Center
NCT02493530
Open-Label Study of Oral CEP-701 (Lestaurtinib) in Patients With Polycythemia Vera or Essential Thrombocytosis
Cephalon
NCT00586651
Tipifarnib in Treating Patients With Myelofibrosis and Myeloid Metaplasia
National Cancer Institute (NCI)
NCT00047190
Familial Myeloproliferative Disorders
Icahn School of Medicine at Mount Sinai
NCT00666289
Molecular Changes and Biomarkers in Chronic Myeloproliferative Disorders
National Institutes of Health Clinical Center (CC)
NCT00433862
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 6 |
| Phase 2 | 8 |
| Phase 3 | 5 |
Top Sponsors
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Reading the Polycythemia Vera Trial Landscape
ClinicalTrials.gov lists 23 US studies indexed under Polycythemia Vera, and 10 of those are currently open to recruitment — roughly 43% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.
The phase distribution for Polycythemia Vera shows 5 late-stage studies (Phase 3 and Phase 4 combined) alongside 14 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.
Top sponsor activity for Polycythemia Vera is led by National Cancer Institute (NCI) with 3 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 23 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.
Frequently Asked Questions
How many clinical trials are there for Polycythemia Vera?
PlainTrial tracks 23 US clinical trials for Polycythemia Vera, of which 10 are currently recruiting participants. Data sourced from ClinicalTrials.gov.
How do I find a recruiting trial for Polycythemia Vera?
Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.
Is this data current?
Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.
Related
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.
Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.