Decitabine With Ruxolitinib or Fedratinib for the Treatment of Accelerated/Blast Phase Myeloproliferative Neoplasms

  • STATUS
    Recruiting
  • days left to enroll
    54
  • participants needed
    25
  • sponsor
    University of Washington
Updated on 19 February 2024
cancer
white blood cell count
disseminated intravascular coagulation
thiamine
gilbert's syndrome
stem cell transplantation
myeloid leukemia
cytarabine
hydroxyurea
myelodysplastic syndromes
myeloproliferative disorder
decitabine
blast crisis
tumor cells
hyperleukocytosis
hypoxia
leukemia
leukapheresis
white blood cells
blood count
cancer care
bone marrow procedure
ruxolitinib
essential thrombocythemia
myelofibrosis
thrombocytosis
myeloproliferative/myelodysplastic disorders
hemolysis
leukostasis
polycythemia vera
blood cell count
polycythemia
secondary myelofibrosis
myelodysplastic/myeloproliferative neoplasms
fedratinib
myeloproliferative neoplasm
tumor burden
wbc count
blood cell counts
myelodysplastic/myeloproliferative neoplasm
mds/mpd
acute myeloid leukemia
myelodysplastic syndrome
chronic myeloproliferative disease
myelodysplastic/myeloproliferative disease

Summary

This phase II trial studies how well decitabine with ruxolitinib or fedratinib works before hematopoietic stem cell transplant in treating patients with accelerated/blast phase myeloproliferative neoplasms (tumors). Drugs used in chemotherapy, such as decitabine, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Ruxolitinib and fedratinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Giving chemotherapy before a donor hematopoietic stem cell transplant helps stop the growth of cells in the bone marrow, including normal blood-forming cells (stem cells) and cancer cells. When the healthy stem cells from a donor are infused into the patient they may help the patient's bone marrow make stem cells, red blood cells, white blood cells, and platelets. The donated stem cells may also replace the patient's immune cells and help destroy any remaining cancer cells. Decitabine, with ruxolitinib or fedratinib, may work better than multi-agent chemotherapy or no pre-transplant therapy, in treating patients with accelerated/blast phase myeloproliferative neoplasms.

Description

OUTLINE

Patients receive decitabine intravenously (IV) once daily (QD) over 1 hour on days 1-10, and either ruxolitinib orally (PO) twice daily (BID) or fedratinib daily on days 1-28. Treatment repeats every 28 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up for up to 5 years.

Details
Condition Preleukemia, Acute myeloid leukemia, Acute myeloid leukemia, Myelodysplastic-Myeloproliferative Diseases, Myelosclerosis with myeloid metaplasia, MYELOPROLIFERATIVE DISORDER, MYELODYSPLASTIC SYNDROME, ESSENTIAL THROMBOCYTHEMIA, Polycythemia Vera, Myeloproliferative Neoplasm, Unclassifiable, Secondary Myelofibrosis
Age 18-100 years
Treatment Decitabine, Ruxolitinib, Fedratinib
Clinical Study IdentifierNCT04282187
SponsorUniversity of Washington
Last Modified on19 February 2024

Eligibility

Yes No Not Sure

Inclusion Criteria

Pathologically confirmed diagnosis of myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML) with >= 5% myeloblasts in either bone marrow or peripheral blood felt to be transformed out of an MPN as defined by the 2016 World Health Organization criteria, consisting of polycythemia vera, essential thrombocythemia, primary myelofibrosis, secondary myelofibrosis, MPN-unclassifiable, or MDS/MPN overlap
Outside diagnostic material is acceptable as long as peripheral blood and/or bone marrow slides are reviewed at the study institution by pathology. Flow cytometric analysis of peripheral blood and/or bone marrow should be performed according to institutional practice guidelines
Eastern Cooperative Oncology Group (ECOG) performance status 0-2 or Karnofsky >= 60%
Serum creatinine clearance >= 50 ml/min (assessed within 14 days of study day 1)
Total bilirubin =< 3 unless due to Gilbert's disease or hemolysis (assessed within 14 days of study day 1)
Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) < 3 x upper limit of normal (ULN) unless thought to be due to MPN disease process (assessed within 14 days of study day 1)
For patient receiving fedratinib, thiamine level should be above the laboratory lower limit of normal (>= 70 nmol/L in the University of Washington [UW]/Seattle Cancer Care Alliance [SCCA] lab). If it is low, it may be repleted but should be rechecked and demonstrated to normalize prior to initiation of therapy
Patient is considered a potential transplant candidate. The attending/treating physician will determine transplant candidacy at the time of consent
The use of hydroxyurea prior to study registration is allowed. Patients with symptoms/signs of hyperleukocytosis, white blood count (WBC) > 100,000/uL, or with concern for other complications of high tumor burden or leukostasis (e.g. hypoxia, disseminated intravascular coagulation) can be treated with leukapheresis or may receive up to 2 doses of cytarabine (up to 500 mg/m^2 /dose) anytime prior to enrollment
Capable of providing valid informed consent

Exclusion Criteria

Previous treatment with chemotherapy (e.g. hypomethylating agents or cytarabine-based regimens) for MPN progressed to MDS or AML. Prior temporary measures to control blood counts is allowed. Prior treatment with hydroxyurea, interferons or JAK inhibitor therapy is allowed
Active systemic fungal, bacterial, viral, or other infection, unless disease is under treatment with anti-microbials and/or controlled or stable (e.g. if specific, effective therapy is not available/feasible or desired [e.g. chronic viral hepatitis, human immunodeficiency virus (HIV)])
Known hypersensitivity to any study drug
Females who are pregnant or breastfeeding
Treatment with any other anti-MDS/leukemia investigational agent within 2 weeks of start of study drugs
For patients planning to receive fedratinib: concurrent use of strong and moderate CYP3A4 inducers or dual CYP3A4 and CYP2C19 inhibitors that cannot be discontinued
For patients planned to receive ruxolitinib AND platelets < 50,000/mm^2: concurrent use of a strong CYP3A4 inhibitor that cannot be discontinued
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