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Primary myelofibrosis
MONDO:0009692Myelofibrosis with myeloid metaplasia is a myeloproliferative disease with annual incidence of approximately 1 case per 100,000 individuals and age at diagnosis around 60 (an increased prevalence is noted in Ashkenazi Jews). Clinical manifestations depend on the type of blood cell affected and may include anemia, pallor, splenomegaly, hypermetabolic state, petechiae, ecchymosis, bleeding, lymphadenopathy, hepatomegaly, portal hypertension.
Also known as: AMM, Agnogenic myeloid metaplasia, CIMF, chronic idiopathic myelofibrosis, idiopathic bone marrow fibrosis, idiopathic myelofibrosis, myelofibrosis with myeloid metaplasia, somatic, myelofibrosis, somatic
3242 clinical trials for this condition and its sub-types, 191 tagged with Primary myelofibrosis itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Primary myelofibrosis
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Familial myelofibrosis 0 trials
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Panostotic fibrous dysplasia 0 trials
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New vaccine aims to shield transplant patients from deadly virus
Vaccine OngoingThis phase II trial tests a vaccine designed to protect stem cell transplant recipients from cytomegalovirus (CMV), a common virus that can cause serious illness in people with weakened immune systems. The vaccine uses a modified, harmless virus to deliver three CMV proteins, tra…
Phase 2 • Sponsor: City of Hope Medical Center • Aim: Vaccine
Last updated Jul 30, 2026 00:00 UTC
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New vaccine aims to shield transplant patients from deadly virus
Vaccine OngoingThis study tests a vaccine called Triplex to prevent cytomegalovirus (CMV) infection in adults who have received a stem cell transplant. CMV is usually harmless but can be life-threatening for people with weakened immune systems. The vaccine uses harmless virus pieces to train th…
Phase 2 • Sponsor: City of Hope Medical Center • Aim: Vaccine
Last updated Jun 27, 2026 07:57 UTC
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New antibody takes aim at Hard-to-Treat blood cancers
Disease control OngoingThis early-stage trial tests a new antibody drug called Hu8F4 in 72 people with advanced blood cancers like leukemia and myelodysplastic syndrome. The goal is to find the safest dose and see if it can slow or stop cancer growth. Researchers will also track how long patients live …
Phase 1 • Sponsor: M.D. Anderson Cancer Center • Aim: Disease control
Last updated Sep 20, 2026 00:00 UTC
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New pill combo aims to tame bone marrow cancer
Disease control OngoingThis early-phase study tests whether adding a new drug called pelabresib to the standard treatment ruxolitinib is safe and helpful for Japanese adults with myelofibrosis, a type of bone marrow cancer. Only 6 people will take part, and the main goal is to check for side effects an…
Phase 1 • Sponsor: Novartis Pharmaceuticals • Aim: Disease control
Last updated Sep 11, 2026 00:00 UTC
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Could a chemo drug help patients with rare bone marrow cancer?
Disease control OngoingThis phase II trial tests the drug decitabine in 21 patients with advanced myelofibrosis, a bone marrow cancer that causes scarring and anemia. The goal is to see if decitabine can improve blood counts and reduce the need for transfusions. Researchers are also monitoring side eff…
Phase 2 • Sponsor: National Cancer Institute (NCI) • Aim: Disease control
Last updated Aug 28, 2026 00:00 UTC
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Experimental drug combo aims to tame bone marrow cancer
Disease control OngoingThis early-stage trial tests two drugs—imetelstat and ruxolitinib—together in people with myelofibrosis, a type of bone marrow cancer. The study has two parts: first, finding a safe dose of the combination, and second, checking if it improves symptoms like fatigue and spleen disc…
Phase 1 • Sponsor: Geron Corporation • Aim: Disease control
Last updated Aug 28, 2026 00:00 UTC
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New stem cell transplant approach aims to tame deadly bone marrow cancer
Disease control OngoingThis early-phase trial tests a reduced-intensity stem cell transplant using a half-matched donor and a drug called cyclophosphamide after the transplant to prevent rejection. The goal is to see if this approach is safe enough for patients with advanced myelofibrosis, a serious bo…
Phase 1 • Sponsor: City of Hope Medical Center • Aim: Disease control
Last updated Aug 23, 2026 00:00 UTC
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Drug Combo's Long-Term safety under scrutiny in blood disease patients
Disease control OngoingThis study follows patients who have already been taking ruxolitinib alone or with panobinostat in earlier trials and are still benefiting. Researchers will track side effects over time to see how safe these drugs are for long-term use. About 296 participants with conditions like…
Phase 4 • Sponsor: Novartis Pharmaceuticals • Aim: Disease control
Last updated Aug 22, 2026 00:00 UTC
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Lower drug dose after transplant may cut infections without losing protection
Disease control OngoingThis study tests whether a lower dose of the drug cyclophosphamide, given after a stem cell transplant from a partially matched donor, can reduce serious infections in the first 100 days while still preventing graft-versus-host disease (a common complication where donor cells att…
Phase 2 • Sponsor: Center for International Blood and Marrow Transplant Research • Aim: Disease control
Last updated Aug 19, 2026 00:00 UTC
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Can a modified interferon rein in early myelofibrosis?
Disease control OngoingThis phase 3 trial is testing whether ropeginterferon alfa-2b, a biologic drug, can help control blood cell counts and symptoms in adults with early or low-risk primary myelofibrosis, a bone marrow disorder. Participants receive either the drug or a placebo every two weeks for up…
Phase 3 • Sponsor: PharmaEssentia • Aim: Disease control
Last updated Aug 15, 2026 00:00 UTC
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Can a Dual-Action pill tame bone marrow tumors?
Disease control CancelledThis phase 1 trial is testing an experimental pill called flonoltinib maleate in people with certain bone marrow tumors, including myelofibrosis, polycythemia vera, and essential thrombocythemia. The drug targets two proteins involved in abnormal blood cell growth. The study aims…
Phase 1 • Sponsor: Guizhou Bailing Group Pharmaceutical Co Ltd • Aim: Disease control
Last updated Aug 15, 2026 00:00 UTC
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Can a new pill shrink the spleen in myelofibrosis?
Disease control OngoingThis trial is testing an experimental drug called flonoltinib in people with intermediate to high-risk myelofibrosis, a type of bone marrow cancer that often causes an enlarged spleen. Participants will be randomly assigned to receive either a low or high dose of flonoltinib, or …
Phase 2 • Sponsor: Chengdu Zenitar Biomedical Technology Co., Ltd • Aim: Disease control
Last updated Aug 14, 2026 00:00 UTC
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New hope for rare blood cancers? early trial begins
Disease control OngoingThis early-phase study tests a new drug called INCB160058 in adults with myeloproliferative neoplasms, a group of rare blood cancers. The main goal is to check the drug's safety and how the body processes it. About 186 participants will receive the drug to find the right dose and…
Phase 1 • Sponsor: Incyte Corporation • Aim: Disease control
Last updated Aug 14, 2026 00:00 UTC
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New drug combo aims to tame rare blood cancers
Disease control OngoingThis 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 genet…
Phase 1 • Sponsor: Incyte Corporation • Aim: Disease control
Last updated Aug 12, 2026 00:00 UTC
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New combo pill shows promise for rare bone marrow cancer
Disease control OngoingThis Phase 3 trial tests whether adding pelabresib to the standard drug ruxolitinib works better than ruxolitinib alone for people with myelofibrosis, a rare bone marrow disorder. About 430 adults who have not had prior JAK inhibitor treatment will take either the combination or …
Phase 3 • Sponsor: Novartis Pharmaceuticals • Aim: Disease control
Last updated Jul 19, 2026 00:00 UTC
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Targeted drug aims to stop blood cancer return after transplant
Disease control OngoingThis phase 1 trial tests whether the drug tagraxofusp can help prevent relapse in people with certain blood cancers (acute myeloid leukemia, myelodysplastic syndrome, myelofibrosis, or chronic myelomonocytic leukemia) who have recently received a stem cell transplant. Participant…
Phase 1 • Sponsor: Karen Ballen, MD • Aim: Disease control
Last updated Jul 18, 2026 00:00 UTC
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New drug cocktail shows promise for Hard-to-Treat leukemia
Disease control OngoingThis early-phase trial tests a combination of three drugs—azacitidine, venetoclax, and pevonedistat—in adults newly diagnosed with a challenging form of acute myeloid leukemia (AML). The goal is to find the best dose and see if the combo can improve remission rates. About 40 part…
Phase 1/2 • Sponsor: M.D. Anderson Cancer Center • Aim: Disease control
Last updated Jul 18, 2026 00:00 UTC
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Can a drug free myelofibrosis patients from frequent blood transfusions?
Disease control OngoingThis phase 3 study tests whether the drug luspatercept can help people with myelofibrosis-related anemia become independent of red blood cell transfusions. Participants are adults with myelofibrosis who are already taking a JAK inhibitor and need regular transfusions. The study c…
Phase 3 • Sponsor: Celgene • Aim: Disease control
Last updated Jul 18, 2026 00:00 UTC
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New drug aims to boost immune system against advanced cancers
Disease control OngoingThis early-stage study tests a new drug called IOA-244 in about 210 adults with advanced or metastatic cancers like lung cancer, melanoma, and lymphoma. The main goal is to see if the drug is safe and tolerable, both alone and combined with other treatments. Researchers also chec…
Phase 1 • Sponsor: iOnctura • Aim: Disease control
Last updated Jul 10, 2026 00:00 UTC
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New hope for myelofibrosis patients who fail current treatments
Disease control OngoingThis phase 3 trial tests a drug called imetelstat against the best available treatments for people with advanced myelofibrosis whose disease has stopped responding to JAK inhibitors. The study includes 327 participants and aims to see if imetelstat can help them live longer and f…
Phase 3 • Sponsor: Geron Corporation • Aim: Disease control
Last updated Jul 10, 2026 00:00 UTC
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Patients choose: transplant or Non-Transplant for rare bone marrow cancer?
Disease control OngoingThis study looks at two treatment options for people with a high-risk form of myelofibrosis, a rare bone marrow cancer. Participants choose whether they want a stem cell transplant or the best non-transplant treatments available. Researchers then track survival and quality of lif…
Sponsor: University Health Network, Toronto • Aim: Disease control
Last updated Jul 08, 2026 00:00 UTC
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New hope for myelofibrosis: selinexor trial targets spleen and symptoms
Disease control OngoingThis phase 2 study tests the drug selinexor against standard treatments in 112 people with myelofibrosis who have already tried JAK inhibitors. The main goal is to see if selinexor can shrink the spleen and improve symptoms. Participants are randomly assigned to receive either se…
Phase 2 • Sponsor: Karyopharm Therapeutics Inc • Aim: Disease control
Last updated Jul 04, 2026 00:00 UTC
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Can a targeted drug boost chemo for hard-to-treat blood cancers?
Disease control OngoingThis phase II trial tested whether adding veliparib (a targeted drug) to standard chemotherapy (topotecan and carboplatin) helps people with advanced myeloproliferative disorders, acute myeloid leukemia, or chronic myelomonocytic leukemia. The study enrolled 25 adults whose cance…
Phase 2 • Sponsor: National Cancer Institute (NCI) • Aim: Disease control
Last updated Jun 27, 2026 14:01 UTC
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Momelotinib access expanded for myelofibrosis patients in Long-Term safety study
Disease control OngoingThis study provides extended access to the drug momelotinib for 237 people with a type of bone marrow cancer called myelofibrosis. Participants had already been taking momelotinib in earlier studies and had not seen their disease get worse. The goal is to see how safe the drug is…
Phase 2 • Sponsor: GlaxoSmithKline • Aim: Disease control
Last updated Jun 27, 2026 14:00 UTC
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Promising antibody drug takes on hard-to-treat bone marrow cancer
Disease control OngoingThis early study tests whether elotuzumab can help people with a specific type of myelofibrosis, a serious bone marrow disorder. The drug targets a protein on cancer cells to try to improve blood counts, shrink an enlarged spleen, and ease symptoms. The trial includes 15 adults w…
Phase 2 • Sponsor: M.D. Anderson Cancer Center • Aim: Disease control
Last updated Jun 27, 2026 13:06 UTC
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New drug combo aims to prevent transplant complications in blood cancer patients
Disease control OngoingThis study tests whether adding the drug itacitinib to the usual two-drug regimen (cyclophosphamide and tacrolimus) can better prevent graft-versus-host disease (GVHD) in people receiving stem cell transplants for blood cancers. GVHD is a serious complication where donor cells at…
Phase 2 • Sponsor: City of Hope Medical Center • Aim: Disease control
Last updated Jun 27, 2026 13:00 UTC
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Donor stem cell transplant shows promise for tough blood cancers
Disease control OngoingThis study tests a stem cell transplant from a matched unrelated donor for people with advanced blood cancers or blood disorders. Patients get chemotherapy and radiation before the transplant to prepare their body, then take drugs to prevent the donor cells from attacking their o…
Phase 2 • Sponsor: City of Hope Medical Center • Aim: Disease control
Last updated Jun 27, 2026 13:00 UTC
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Can an arthritis drug tame a rare bone marrow cancer?
Disease control OngoingThis phase 2 trial tests canakinumab, an anti-inflammatory drug, in 14 to 26 people with myelofibrosis, a rare bone marrow cancer that causes scarring, enlarged spleen, and fatigue. Participants receive injections every three weeks for about six months. The study checks if the dr…
Phase 2 • Sponsor: John Mascarenhas • Aim: Disease control
Last updated Jun 27, 2026 12:31 UTC
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New drug combo shows promise for rare blood cancer
Disease control OngoingThis study tests a new drug called BMS-986158, either alone or combined with standard treatments (ruxolitinib or fedratinib), in about 216 people with high-risk myelofibrosis, a type of blood cancer. The goal is to see if the drug is safe and can shrink an enlarged spleen, a comm…
Phase 1/2 • Sponsor: Bristol-Myers Squibb • Aim: Disease control
Last updated Jun 27, 2026 12:30 UTC
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New hope for myelofibrosis patients with dangerous low platelet counts
Disease control OngoingThis phase 3 study tests a drug called pacritinib against standard treatments chosen by the doctor in people with myelofibrosis who have very low platelet counts (below 50,000). The goal is to see if pacritinib can shrink the spleen and reduce symptoms like tiredness, pain, and i…
Phase 3 • Sponsor: Swedish Orphan Biovitrum • Aim: Disease control
Last updated Jun 27, 2026 12:26 UTC
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Can a cancer drug make stem cell transplants safer for myelofibrosis patients?
Disease control OngoingThis study tests whether giving the drug ruxolitinib before, during, and after a donor stem cell transplant can prevent graft-versus-host disease (GVHD) in people with myelofibrosis. GVHD is a serious complication where donor cells attack the patient's body. The trial enrolls 53 …
Phase 2 • Sponsor: Fred Hutchinson Cancer Center • Aim: Disease control
Last updated Jun 27, 2026 12:07 UTC
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Drug combo shows promise against rare bone marrow cancer
Disease control OngoingThis study tests whether combining ruxolitinib and thalidomide can shrink the cancer and improve symptoms in 30 people with myelofibrosis, a rare bone marrow disease. Participants include those who have not responded to prior treatment or are newly diagnosed with higher-risk dise…
Phase 2 • Sponsor: Memorial Sloan Kettering Cancer Center • Aim: Disease control
Last updated Jun 27, 2026 12:06 UTC
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New combo pill aims to shrink spleens and ease symptoms in bone marrow cancer
Disease control OngoingThis study tests whether adding the drug selinexor to the standard treatment ruxolitinib works better than ruxolitinib alone for people with myelofibrosis, a type of bone marrow cancer. About 353 adults who have not yet been treated for their condition will take either the combin…
Phase 3 • Sponsor: Karyopharm Therapeutics Inc • Aim: Disease control
Last updated Jun 27, 2026 12:05 UTC
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New drug combo shows promise for rare bone marrow cancer
Disease control OngoingThis early-stage trial tests an experimental drug called INCB057643, given alone or with the standard drug ruxolitinib, in about 140 adults with myelofibrosis or other advanced blood cancers. The main goal is to check safety and side effects, while also measuring if the drug can …
Phase 1 • Sponsor: Incyte Corporation • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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New hope for myelofibrosis: drug combo targets tough cases
Disease control OngoingThis study tests a new drug (WJ01024) combined with an existing drug (ruxolitinib) in 33 adults with intermediate- or high-risk myelofibrosis whose spleen is enlarged and who didn't respond well to or couldn't tolerate previous JAK inhibitor treatments. The goal is to see if the …
Phase 1/2 • Sponsor: Suzhou Junjing BioSciences Co., Ltd. • Aim: Disease control
Last updated Jun 27, 2026 12:01 UTC
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New Triple-Drug cocktail targets tough blood cancers
Disease control OngoingThis early-phase study tests the safety of combining three drugs—navitoclax, venetoclax, and decitabine—for people with advanced myeloid blood cancers like leukemia and myelofibrosis. The goal is to find a safe dose that can control the disease. Sixteen adults aged 18 and older a…
Phase 1 • Sponsor: Jacqueline Garcia, MD • Aim: Disease control
Last updated Jun 27, 2026 09:00 UTC
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New strategy aims to tame common virus after stem cell transplants
Disease control OngoingThis study tests a modified plan to prevent and treat cytomegalovirus (CMV) infection in people with blood cancers who have had a donor stem cell transplant. CMV is a common virus that can cause serious problems after transplant. The study involves 153 participants and looks at w…
Sponsor: City of Hope Medical Center • Aim: Disease control
Last updated Jun 27, 2026 09:00 UTC
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New hope for rare blood cancer: drug duo targets enlarged spleen
Disease control OngoingThis study tests whether adding the experimental drug navitoclax to the standard drug ruxolitinib can shrink the spleen and reduce symptoms better than other available treatments in adults with myelofibrosis that has returned or not improved. About 330 participants will be random…
Phase 3 • Sponsor: AbbVie • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
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Experimental combo aims to fight relapsed blood cancers after transplant
Disease control OngoingThis early-phase trial tests a combination of two treatments for people whose myeloid blood cancer (like AML or MDS) has returned after a matched stem cell transplant. The treatments are a specially processed donor immune cell infusion and an immunotherapy drug called ipilimumab.…
Phase 1 • Sponsor: Dana-Farber Cancer Institute • Aim: Disease control
Last updated Jun 27, 2026 08:08 UTC
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New hope for japanese patients with rare bone marrow cancer
Disease control OngoingThis study tests a drug called fedratinib in Japanese adults with a serious bone marrow disease called myelofibrosis. The goal is to see if the drug can shrink an enlarged spleen and control the disease. About 31 people will take part, and the study will check safety and the best…
Phase 1/2 • Sponsor: Bristol-Myers Squibb • Aim: Disease control
Last updated Jun 27, 2026 07:55 UTC
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Can a new tracer light up cancer growth?
Diagnosis OngoingThis trial is testing a new imaging tracer called FLT, which is used with a PET scan to measure how fast tumors are growing. The study includes people with various cancers or those awaiting a biopsy for a suspicious mass. The goal is to see if FLT PET imaging can help find and di…
Sponsor: Barbara Ann Karmanos Cancer Institute • Aim: Diagnosis
Last updated Aug 12, 2026 00:00 UTC
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Donor vaccine may shield transplant patients from dangerous virus
Prevention OngoingThis early-phase study tests whether vaccinating stem cell donors against cytomegalovirus (CMV) can prevent the virus from causing problems in blood cancer patients after a transplant. About 34 donor-recipient pairs are taking part. The vaccine is given to the donor before stem c…
Phase 1 • Sponsor: City of Hope Medical Center • Aim: Prevention
Last updated Jun 27, 2026 08:03 UTC
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Heart safety check for new myelofibrosis drug in healthy volunteers
Knowledge-focused OngoingThis study evaluates whether a single dose of TQ05105, a JAK inhibitor being developed for myelofibrosis, affects the heart's electrical activity (QT interval) in healthy Chinese adults. Sixty participants receive TQ05105, placebo, and moxifloxacin (a positive control) in a cross…
Phase 1 • Sponsor: Chia Tai Tianqing Pharmaceutical Group Co., Ltd. • Aim: Knowledge-focused
Last updated Aug 09, 2026 00:00 UTC
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Stomach acid pill may change how new myelofibrosis drug works
Knowledge-focused OngoingThis early-stage study in 16 healthy adults checks if taking a common stomach acid drug (rabeprazole) changes how the body absorbs a new experimental drug (TQ05105) being developed for myelofibrosis. Participants take TQ05105 alone and later with rabeprazole to compare drug level…
Phase 1 • Sponsor: Chia Tai Tianqing Pharmaceutical Group Co., Ltd. • Aim: Knowledge-focused
Last updated Jul 29, 2026 00:00 UTC
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Do blood transfusions help at the end of life? a study asks patients and staff
Knowledge-focused OngoingThis study looks at how patients with advanced blood cancers (like acute myeloid leukemia) who are not eligible for a cure, along with their nurses and doctors, feel about the benefits of blood transfusions. Researchers will give questionnaires before each transfusion to compare …
Sponsor: University Hospital, Montpellier • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:01 UTC
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Researchers track gene changes in myelofibrosis patients on gecacitinib
Knowledge-focused OngoingThis study follows about 40 people with intermediate or high-risk myelofibrosis who are already taking gecacitinib. Researchers will collect bone marrow and blood samples each year to see how the disease and gene mutations change over time. No new drugs are given—this is an obser…
Sponsor: First Affiliated Hospital of Zhejiang University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:11 UTC
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Blood cancer patients' immune system may hold clues to severe COVID-19
Knowledge-focused OngoingThis study examines whether people with certain blood cancers (myeloproliferative neoplasms) have autoantibodies that block a key immune protein called type I interferon. These autoantibodies may increase the risk of severe COVID-19. Researchers will test blood samples from 219 p…
Sponsor: Fondazione IRCCS Policlinico San Matteo di Pavia • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC
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Italian MPN patients share their stories in landmark Quality-of-Life study
Knowledge-focused OngoingThis study is collecting information on quality of life and symptoms from 572 Italian patients with certain types of blood cancers called myeloproliferative neoplasms (MPNs). Participants fill out questionnaires about how their disease and treatments affect their daily functionin…
Sponsor: Gruppo Italiano Malattie EMatologiche dell'Adulto • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:51 UTC