New hope for High-Risk blood cancer patients: ruxolitinib trial launches
NCT ID NCT04116502
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether ruxolitinib works better than current standard therapies (hydroxycarbamide or interferon alpha) for people with high-risk polycythemia vera, a blood cancer that increases red blood cells. About 586 adults aged 18 and older with high-risk features will be randomly assigned to receive ruxolitinib or the doctor's choice of standard treatment. The main goal is to see which approach better prevents serious events like blood clots, bleeding, or disease progression.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 586 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2019
- Expected to finish
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Apr 2030
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Population: High risk PV defined as WBC \>11 x 10\^9/l\* AND at least ONE of the following * Age \>60 years * Prior thrombosis or haemorrhage * Platelet count \>1000 x 10\^9/l\* * Hypertension or diabetes requiring pharmacological therapy (\*At any time since diagnosis) Inclusion Criteria: 1. Patient ≥18 years of age 2. Diagnosis of PV meeting the WHO criteria within the past 15 years 3. Meets criteria of high risk\* PV (see above for specific population) 4. Patients must have a screening haemoglobin of \>8g/dl 5. Patients may have received antiplatelet agents and venesection 6. Patients may have received ONE cytoreductive therapy for PV less than 10 years (BUT they should not be resistant or intolerant to that therapy) 7. Able to provide written informed consent Exclusion Criteria: 1. Diagnosis of PV \> 15 years previously 2. Absence of JAK-2 mutation 3. Patients with any contraindications to any of the investigational medical products 4. Treatment with \>1 cytoreductive therapy OR a cytoreductive treatment duration exceeding 10 years OR resistance/intolerance to that therapy 5. Active infection including Human Immunodeficiency Virus (HIV), hepatitis B, hepatitis C, autoimmune hepatitis, Tuberculosis 6. Pregnant or lactating patients (Women of childbearing potential must have a negative urine or blood Human Chorionic Gonadotropin pregnancy test prior to trial entry) 7. Patients with lactose allergies, hypersensitivities, or rare hereditary problems, of galactose intolerance, total lactase deficiency or glucose- galactose malabsorption 8. Patients with uncontrolled neuropsychiatric disorders 9. Patients with uncontrolled cutaneous cancers 10. Patients and partners not prepared to adopt highly effective contraception measures (if sexually active) whilst on treatment and for at least 6 months after completion of study medication 11. ECOG Performance Status Score ≥ 3 12. Uncontrolled rapid or paroxysmal atrial fibrillation, uncontrolled or unstable angina, recent (within the last 6 months) myocardial infarction or acute coronary syndrome or any clinically significant cardiac disease \> NYHA ( New York Heart Association) Class II 13. Patients who have transformed to myelofibrosis 14. Previous treatment with ruxolitinib 15. Previous (within the last 12 months) or current platelet count \<100 x 109/L or neutrophil count \< 1 x 109/L not due to therapy 16. Inadequate liver function as defined by ALT/AST \>2.0 x ULN 17. Inadequate renal function as defined by eGFR \< 30 mls/min 18. Unable to give informed consent Additional Exclusion Criteria for France Only 19. All women of childbearing potential (as per Appendix 8 definition) 20. No affiliation with the French healthcare system 21. Persons under psychiatric care that would impede understanding of informed consent and optimal treatment and follow-up 22. Adults subject to a legal protection measure (guardianship, curatorship and safeguard of justice) 23. Patients deprived of their liberty by a judicial or administrative decision
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
45 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Aberdeen Royal Infirmary
RECRUITINGAberdeen, AB25 2ZN, United Kingdom
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Addenbrooke's Hospital
RECRUITINGCambridge, CB2 0QQ, United Kingdom
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Arrowe Park Hospital
RECRUITINGMetropolitan Borough of Wirral, CH49 5PE, United Kingdom
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Belfast City Hospital
RECRUITINGBelfast, BT9 7AB, United Kingdom
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Birmingham Heartlands Hospital
RECRUITINGBirmingham, B9 5SS, United Kingdom
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Blackpool Victoria Hospital
RECRUITINGBlackpool, FY3 8NR, United Kingdom
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Calderdale Royal Hospital
ACTIVE_NOT_RECRUITINGHalifax, HX3 0PW, United Kingdom
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Castle Hill Hospital
RECRUITINGCottingham, HU16 5JQ, United Kingdom
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Churchill Hospital
RECRUITINGOxford, OX3 7LE, United Kingdom
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Colchester Hospital
RECRUITINGColchester, CO4 5JL, United Kingdom
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Freeman Hospital
RECRUITINGNewcastle upon Tyne, NE7 7DN, United Kingdom
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Gloucestershire Royal Hospital
RECRUITINGGloucester, GL1 3NN, United Kingdom
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Good Hope Hospital
RECRUITINGSutton Coldfield, B75 7RR, United Kingdom
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Guy's Hospital
RECRUITINGLondon, SE1 9RT, United Kingdom
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Halton Hospital
RECRUITINGRuncorn, WA7 2DA, United Kingdom
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Huddersfield Royal Infirmary
ACTIVE_NOT_RECRUITINGHuddersfield, HD3 3EA, United Kingdom
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Kent and Canterbury Hospital
RECRUITINGCanterbury, CT1 3NG, United Kingdom
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Kettering General Hospital
RECRUITINGKettering, NN16 8UZ, United Kingdom
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Leicester Royal Infirmary
RECRUITINGLeicester, LE1 5WW, United Kingdom
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New Cross Hospital
RECRUITINGWolverhampton, WV10 0QP, United Kingdom
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Norfolk and Norwich University Hospital
RECRUITINGNorwich, NR4 7UY, United Kingdom
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North Tyneside General Hospital
RECRUITINGNorth Shields, NE29 8NH, United Kingdom
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Northampton General Hospital
RECRUITINGNorthampton, NN1 5BD, United Kingdom
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Nottingham City Hospital
RECRUITINGNottingham, NG5 1PB, United Kingdom
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Raigmore Hospital
RECRUITINGInverness, IV2 3UJ, United Kingdom
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Royal Berkshire Hospital
RECRUITINGReading, RG1 5AN, United Kingdom
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Royal Bournemouth Hospital
RECRUITINGBournemouth, BH7 7DW, United Kingdom
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Royal Cornwall Hospital
RECRUITINGTruro, TR1 3LJ, United Kingdom
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Royal Devon and Exeter Hospital
RECRUITINGExeter, EX2 5DW, United Kingdom
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Royal Gwent Hospital
RECRUITINGNewport, NP20 2UB, United Kingdom
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Royal Stoke University Hospital
RECRUITINGStoke-on-Trent, ST4 6QG, United Kingdom
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Royal United Hospital
RECRUITINGBath, BA1 3NG, United Kingdom
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Russells Hall Hospital
RECRUITINGDudley, DY1 2HQ, United Kingdom
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Southampton General Hospital
RECRUITINGSouthampton, SO16 6YD, United Kingdom
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Southmead Hospital
RECRUITINGBristol, BS10 5NB, United Kingdom
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St George's Hospital
RECRUITINGLondon, SW17 0QT, United Kingdom
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St John's Hospital
RECRUITINGLivingston, EH54 6PP, United Kingdom
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St Richard's Hospital
RECRUITINGChichester, PO19 6SE, United Kingdom
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Sunderland Royal Hospital
RECRUITINGSunderland, SR4 7TP, United Kingdom
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The James Cook University Hospital
RECRUITINGMiddlesbrough, TS4 3BW, United Kingdom
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University College Hospital
RECRUITINGLondon, NW1 2BU, United Kingdom
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University Hospital of Wales
RECRUITINGCardiff, CF14 4XW, United Kingdom
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Warwick Hospital
RECRUITINGWarwick, CV34 5BW, United Kingdom
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Western General Hospital
RECRUITINGEdinburgh, EH4 2XU, United Kingdom
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Wexham Park Hospital
RECRUITINGSlough, SL2 4HL, United Kingdom
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Worthing Hospital
RECRUITINGWorthing, BN11 2DH, United Kingdom
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Wythenshawe Hospital
RECRUITINGManchester, M23 9LT, United Kingdom
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Pens and vouchers: can small rewards boost participation in blood cancer research?
- Can a new injection tame overactive blood cell production?
- Can a hormone mimic curb the need for bloodletting in a blood cancer?
- Can a Dual-Action pill tame bone marrow tumors?
- Can a new drug reduce bloodletting for polycythemia vera?
- A simple Note-Taking change could transform blood cancer care