Myelodysplastic Syndrome Clinical Trial
Ruxolitinib With Tacrolimus and Methotrexate for the Prevention of Graft Versus Host Disease in Pediatric and Young Adult Patients Undergoing Allogeneic Hematopoietic Cell Transplant for Acute Myeloid Leukemia, Acute Lymphoblastic Leukemia, or Myelodysplastic Syndrome
This phase II trial tests how well ruxolitinib with tacrolimus and methotrexate work to prevent the development of graft versus host disease in pediatric and young adult patients undergoing allogeneic hematopoietic cell transplant for acute myeloid leukemia, acute lymphoblastic leukemia, or myelodysplastic syndrome. Ruxolitinib is a type of medication called a kinase inhibitor. It works by blocking the signals of cells that cause inflammation and cell proliferation, which may help prevent graft versus host disease (GVHD). Tacrolimus is a drug used to help reduce the risk of rejection by the body of organ and bone marrow transplants by suppressing the immune system. Methotrexate stops cells from making DNA, may kill cancer cells, and also suppress the immune system, which may reduce the risk of GVHD. Giving ruxolitinib with tacrolimus and methotrexate may prevent GVHD in pediatric and young adults undergoing allogeneic hematopoietic cell transplants.
I. Determine if the addition of ruxolitinib phosphate (ruxolitinib) to tacrolimus and methotrexate as graft-versus-host disease (GVHD) prophylaxis, is safe in pediatric and young adult patients with hematologic malignancies who are eligible to undergo allogeneic hematopoietic cell transplantation (HCT) from a matched donor. (Safety lead-in segment) II. Following a patient safety lead-in, evaluate the efficacy of ruxolitinib, when given as part of reduced intensity HCT from a matched related/unrelated donor, as assessed by 1 year graft-versus-host disease-free and relapse-free (GRFS) rates in pediatric and young adult patients. (Phase II segment)
I. Estimate the cumulative incidence of acute GVHD (aGVHD) and non-relapse mortality (NRM) at 100-days after transplant.
II. Estimate the cumulative incidence of chronic GVHD (cGVHD) at 1- and 2-years after transplant.
III. Estimate the probabilities of overall and progression-free survival (OS/PFS) at 1- and 2-years after transplant.
IV. Estimate the relapse/progression rate. V. Estimate rate of infection and development of second malignancies including lymphoproliferative disorders at 1- and 2-years post-transplant.
VI. Further evaluate the safety of this regimen by assessing:
VIa. Adverse event type, frequency, severity, attribution, time-course, and duration; VIb. Complications including: infection, and delayed engraftment.
I. Characterize and evaluate hematologic recovery, donor cell engraftment and immune reconstitution by cell count and flow cytometry of lymphocyte subsets.
II. Characterize changes in aGVHD biomarkers (Reg-3alpha, sTNF RI, IL2Ralpha), JAK-regulated pro-inflammatory cytokines (i.e. IL-6, TNFalpha, C-reactive protein [CRP], beta2Microglubuolin) and STAT3 phosphorylation (downstream of JAK signaling) over time and by aGVHD status/grade.
III. Evaluate the pharmacokinetics of ruxolitinib in pediatric and young adult patients.
Patients receive ruxolitinib orally (PO) twice daily (BID) from day -1 to day +100, tacrolimus intravenously (IV) on day -1, and methotrexate IV on days +1, +3, +6, and +11, and undergo HCT on day 0. Patients also undergo chest computed tomography (CT) and echocardiography (ECHO)/multigated acquisition scan (MUGA) at screening and undergo collection of blood samples throughout the trial.
After completion of study treatment, patients are followed up at 30 days after the last dose of ruxolitinib and at 1 and 2 years post transplant.
Documented informed consent of the participant and/or legally authorized representative
Assent, when appropriate, will be obtained per institutional guidelines
Agreement to allow the use of archival tissue from diagnostic tumor biopsies
If unavailable, exceptions may be granted with study primary investigator (PI) approval
Eastern Cooperative Oncology Group (ECOG) ≤ 2
Performance status: Karnofsky ≥ 60% for patients ≥ 16 years old OR Lansky status ≥ 60% for patients < 16 years old
Candidate for allogeneic bone marrow transplant with and available matched related donor (MRD) or an 8/8 matched unrelated donor (MUD) who is willing to donate bone marrow (BM) or mobilized peripheral blood stem cells
Note: Donor selection process will be in accordance with City of Hope (COH)-standard operating procedures (SOPs) (B.001.09 Allogeneic Cellular Therapy Product Donor Evaluation, Selection & Consent), which follows Food and Drug Administration (FDA) guidelines for donation of hematopoietic stem/progenitor cells (HPCs) obtained from peripheral blood or bone marrow
Diagnosis of acute leukemia (acute myeloid leukemia [AML] or acute lymphoblastic leukemia [ALL]) in complete remission, or myelodysplastic syndrome (MDS)
Fully recovered from the acute toxic effects (except alopecia) to ≤ grade 1 from prior anti-cancer therapy
Women of childbearing potential (WOCBP): negative urine or serum pregnancy test. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required (to be performed within 30 days prior to day 1 of protocol therapy)
Agreement by females and males of childbearing potential to use an effective method of birth control or abstain from heterosexual activity for the course of the study through at least 6 months after the last dose of protocol therapy
Childbearing potential defined as not being surgically sterilized (men and women) or have not been free from menses for > 1 year (women only)
Autologous stem cell transplant within 1 year prior to day 1 of protocol therapy
Prior allogeneic transplantation
Chemotherapy, radiation therapy, biological therapy, immunotherapy within 14 days prior to day 1 of protocol therapy
Note: Conditioning regimen within 21 days prior to day 1 of protocol therapy is not considered as an exclusion criterion.
Note: Patients on maintenance chemotherapy with agents listed are not excluded
History of allergic reactions attributed to compounds of similar chemical or biologic composition to study agent
History of active tuberculosis
Patients with history of thrombosis including but not limited to myocardial infarction (MI)/stroke and pulmonary embolism (PE)/deep vein thrombosis (DVT) within 6 months of enrollment
Active diarrhea due to inflammatory bowel disease or malabsorption syndrome
Clinically significant uncontrolled illness
Active, uncontrolled systemic infection (viral, bacterial, or fungal) requiring antibiotics
Known history of immunodeficiency virus (HIV) or hepatitis B or hepatitis C infection
Other active malignancy
Females only: Pregnant or breastfeeding
Any other condition that would, in the investigator's judgment, contraindicate the patient's participation in the clinical study due to safety concerns with clinical study procedures
Prospective participants who, in the opinion of the investigator, may not be able to comply with all study procedures (including compliance issues related to feasibility/logistics)
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