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ClinicalTrials.gov public records Last synced May 22, 2026, 12:14 AM EDT

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

Showing 1–24 of 56 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: ET (Essential Thrombocythemia) Clear all
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Myelofibrosis, Primary Myelofibrosis, Post-polycythemia Vera Myelofibrosis, Post-essential Thrombocythemia Myelofibrosis
Interventions
PU-H71, Ruxolitinib
Drug
Lead sponsor
Samus Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
10
States / cities
New Haven, Connecticut • New Orleans, Louisiana • Ann Arbor, Michigan + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced May 22, 2026, 12:14 AM EDT
Withdrawn Phase 2 Interventional
View directory record Official record
Conditions
Myelofibrosis Transformation in Essential Thrombocythemia, Polycythemia Vera, Post-Polycythemic Myelofibrosis Phase, Primary Myelofibrosis
Interventions
LOXL2 Inhibitor PAT-1251, Quality-of-Life Assessment, Questionnaire Administration
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced May 22, 2026, 12:14 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Essential Thrombocythemia
Interventions
Bomedemstat, Hydroxyurea, Bomedemstat placebo, Hydroxyurea placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
21
States / cities
Glendale, Arizona • Glendale, California • Palo Alto, California + 18 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced May 22, 2026, 12:14 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Essential Thrombocythemia
Interventions
Ropeginterferon alfa-2b-njft (P1101)
Drug
Lead sponsor
PharmaEssentia
Industry
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
30
States / cities
Birmingham, Alabama • Duarte, California • Greenbrae, California + 25 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced May 22, 2026, 12:14 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Polycythemia Vera (PV), Essential Thrombocythemia (ET), Myelofibrosis (MF)
Interventions
Methotrexate (MTX)
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced May 22, 2026, 12:14 AM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Primary Myelofibrosis, Post-Polycythemia Vera Myelofibrosis, Myelofibrosis, Post-essential Thrombocythemia Myelofibrosis
Interventions
FEDRATINIB
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
28
States / cities
Aurora, Colorado • Miami, Florida • Augusta, Georgia + 23 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Myeloproliferative Disorders
Interventions
SB939
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2014 · Synced May 22, 2026, 12:14 AM EDT
Not listed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Primary Myelofibrosis, Polycythemia Vera, Post-Polycythemic Myelofibrosis Phase, Post-Essential Thrombocythemia Related Myelofibrosis
Interventions
LBH589
Drug
Lead sponsor
Ronald Hoffman
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced May 22, 2026, 12:14 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Myeloproliferative Neoplasms
Interventions
AUY922
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2016 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Essential Thrombocythemia, Polycythemia Vera
Interventions
Imetelstat
Drug
Lead sponsor
Geron Corporation
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
6
States / cities
Duarte, California • Orlando, Florida • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2016 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Polycythemia Vera, Post-Polycythemic Myelofibrosis Phase, Primary Myelofibrosis, Secondary Myelofibrosis
Interventions
Laboratory Biomarker Analysis, Questionnaire Administration, Smac Mimetic LCL161
Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced May 22, 2026, 12:14 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Primary Myelofibrosis, Post-Polycythemia Vera, Post-Essential Thrombocytopenia
Interventions
Panobinostat
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
9
States / cities
Scottsdale, Arizona • Duarte, California • Stanford, California + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced May 22, 2026, 12:14 AM EDT
Not listed Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Primary Myelofibrosis (PMF), Post-Polycythemia Vera MF (Post-PV-MF), Post-Essential Thrombocythemia MF (Post-ET-MF)
Interventions
KRT-232, Best Available Therapy (BAT)
Drug
Lead sponsor
Kartos Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
385 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
19
States / cities
Birmingham, Alabama • Los Angeles, California • Stanford, California + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced May 22, 2026, 12:14 AM EDT
Terminated Early Phase 1 Interventional
View directory record Official record
Conditions
CALR Gene Mutation, Essential Thrombocythemia, JAK2 Gene Mutation, MPL Gene Mutation, Obstructive Sleep Apnea Syndrome, Polycythemia Vera
Interventions
Continuous Positive Airway Pressure, Patient Observation, Questionnaire Administration
Procedure · Other
Lead sponsor
University of Utah
Other
Eligibility
30 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced May 22, 2026, 12:14 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Chronic Myeloproliferative Disorders, Secondary Myelofibrosis
Interventions
Dacogen
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 29, 2015 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Myelofibrosis, Polycythemia Vera, Thrombocythemia
Interventions
itacitinib
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
8
States / cities
New Orleans, Louisiana • Bethesda, Maryland • Kansas City, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced May 22, 2026, 12:14 AM EDT
Not listed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Myelofibrosis
Interventions
KRT-232, Ruxolitinib
Drug
Lead sponsor
Kartos Therapeutics, Inc.
Industry
Eligibility
18 Years to 99 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
8
States / cities
Duarte, California • Baltimore, Maryland • Ann Arbor, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced May 22, 2026, 12:14 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Essential Thrombocythemia, Polycythemia Vera
Interventions
IMG-7289
Drug
Lead sponsor
Terrence J Bradley, MD
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Primary Myelofibrosis, Polycythemia Vera, Post-Essential Thrombocythemia Myelofibrosis
Interventions
RO7490677, Ruxolitinib
Biological · Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
11
States / cities
Phoenix, Arizona • Palo Alto, California • Atlanta, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced May 22, 2026, 12:14 AM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Primary Myelofibrosis (PMF), Post-Polycythemia Vera Myelofibrosis (Post-PV MF), Post-Essential Thrombocythemia Myelofibrosis (Post-ET MF)
Interventions
PU-H71
Drug
Lead sponsor
Samus Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
3
States / cities
Larkspur, California • Los Angeles, California • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Myelofibrosis, Polycythemia Vera, Thrombocytosis
Interventions
Ruxolitinib
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
2
States / cities
Rochester, Minnesota • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2018 · Synced May 22, 2026, 12:14 AM EDT
Not listed Phase 1 Interventional
View directory record Official record
Conditions
Myelofibrosis
Interventions
Jaktinib Hydrochloride Tablet
Drug
Lead sponsor
Suzhou Zelgen Biopharmaceuticals Co.,Ltd
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Canton, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 20, 2024 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Primary Myelofibrosis, Post-polycythemia Vera Myelofibrosis, Post-essential Thrombocythemia Myelofibrosis
Interventions
Momelotinib, Placebo to match danazol, Danazol, Placebo to match momelotinib
Drug
Lead sponsor
Sierra Oncology LLC - a GSK company
Industry
Eligibility
18 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
17
States / cities
Phoenix, Arizona • Irvine, California • Los Angeles, California + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Myelofibrosis
Interventions
APLIDIN (plitidepsin)
Drug
Lead sponsor
PharmaMar
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced May 22, 2026, 12:14 AM EDT