New drug combo aims to tame rare blood cancers
NCT ID NCT05936359
First seen Jun 27, 2026 · Last updated Aug 11, 2026 · Updated 2 times
Summary
This early-stage trial is testing a new drug called INCA033989, alone or with an existing drug ruxolitinib, in 225 people with myeloproliferative neoplasms (a group of blood cancers). The main goal is to check safety and find the best dose. Participants must have a specific genetic mutation (CALR) and be willing to have bone marrow tests.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- INCA033989 and ruxolitinib
- What this could lead to
- If successful, this could lead to a new treatment option for myeloproliferative neoplasms, potentially improving symptom control and reducing spleen size.
- What could go wrong
- This is an early Phase 1 trial focused on safety and dosing, so it is not yet known if the drug works. Side effects and limited effectiveness are possible.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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160 people
The number who actually took part.
- Started
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Sep 2023
- Expected to finish
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Feb 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
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.
Inclusion Criteria: * Life expectancy \> 6 months. * Willingness to undergo a pretreatment and regular on-study BM biopsies and aspirates (as appropriate to disease). * Existing documentation from a qualified local laboratory of CALR exon-9 mutation. * Participants with MF and ET as defined in the protocol. Exclusion Criteria: * Presence of any hematological malignancy other than ET, PMF, or post-ET MF. * Active invasive malignancy over the previous 2 years. * Active HBV/HCV, HIV. * History of clinically significant or uncontrolled cardiac disease. * Has undergone any prior allogenic or autologous stem-cell transplantation or such transplantation is planned. * Laboratory values outside the Protocol-defined ranges. * Participants undergoing treatment with G-CSF, GM-CSF, or TPO-R agonists at any time within 4 weeks before the first dose of study treatment. * Prior history of major bleeding, or thrombosis within the last 3 months prior to study enrollment. * Any prior chemotherapy, immunomodulatory drug therapy, immunosuppressive therapy, biological therapy, endocrine therapy, targeted therapy, antibody, or hypomethylating agent used to treat the participant's disease within 5 half-lives or 28 days (whichever is shorter) before the first dose of study treatment. * For TGBs only: Undergoing treatment with a potent/strong inhibitor or inducer of CYP 3A4/5 within 14 days or 5 half-lives (whichever is longer) before the first dose of study treatment, or expected to receive such treatment during the study. Other protocol-defined Inclusion/Exclusion Criteria may apply.
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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.
Contacts and locations
Locations
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Aou Policlinico S. Orsola-Malpighi
Bologna, 40138, Italy
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Azienda Ospedaliero-Universitaria Careggi (Aouc)
Florence, 50134, Italy
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Chu Nimes
Nîmes, 30029, France
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Fondazione Irccs Ca Granda Ospedale Maggiore
Milan, 20122, Italy
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Guys and St Thomas Nhs Foundation Trust
London, SE1 9RT, United Kingdom
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Hopital Maisonneuve-Rosemont, Montreal, Qc
Montreal, Quebec, H1T 2M4, Canada
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Hospital Saint Louis
Paris, 75010, France
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Hospital Universitari I Politecnic La Fe
Valencia, 46026, Spain
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Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
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Institut Bergonie
Bordeaux, 33076, France
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Institut Gustave Roussy
Villejuif, 94805, France
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Kagoshima University Hospital
Kagoshima, 890-8520, Japan
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Mie University Hospital
Tsu, 514-0001, Japan
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National Cancer Center Hospital East
Chiba-ken, 277-0882, Japan
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Nippon Medical School Hospital
Tokyo, 113-8603, Japan
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Osaka Metropolitan University Hospital
Osaka, 545-8586, Japan
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Peter Maccallum Cancer Centre
Melbourne, Victoria, 03000, Australia
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Princess Margaret Cancer Center
Toronto, Ontario, M5G 2M9, Canada
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Royal Adelaide Hospital
Adelaide, South Australia, 05000, Australia
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Royal Brisbane and Women'S Hospital
Herston, Queensland, 04029, Australia
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Sjaellands Universitetshospital
Roskilde, 04000, Denmark
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The Alfred Hospital
Melbourne, Victoria, 03004, Australia
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The Christie Nhs Foundation Trust Uk
Manchester, M20 4BV, United Kingdom
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Universitatsklinikum Halle (Saale)
Halle, 06120, Germany
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University Medical Center Rwth Aachen
Aachen, 52074, Germany
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University of Oxford
Oxford, OX3 7LE, United Kingdom
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Universitätsklinikum Ulm
Ulm, 89081, Germany
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Vejle Hospital
Vejle, 07100, Denmark
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Half-Matched stem cells tested as cure for myelofibrosis
- Can blood tests predict transplant complications?
- Can a new daily pill shrink the spleen and ease myelofibrosis symptoms?
- Can a new pill tame myelofibrosis?
- MRI as a window into bone marrow disease: a new biomarker test?
- Can a menin inhibitor tame myelofibrosis when standard drugs fall short?