Ruxolitinib Prior to Transplant in Patients With Myelofibrosis

Stopped early · Phase 2

Conditions studied: Primary Myelofibrosis, Post Polycythemia Vera Myelofibrosis, Post Essential Thrombocythemia Myelofibrosis

In brief

The purpose of this study is to find out if giving the study drug Ruxolitinib (INC424) prior to a combination of other chemotherapeutic drugs (Fludarabine and Busulfan) before infusing another person's hematopoietic stem cells (bone marrow transplantation) will be successful in people who have advanced primary myelofibrosis (PMF), post-polycythemia vera myelofibrosis (PPV-MF) or post-essential thrombocythemia myelofibrosis (PET-MF), collectively known as myelofibrosis (MF). MF is a disorder in which bone marrow tissue develops in abnormal sites because the bone marrow itself undergoes fibrosis or scarring. This study plans to evaluate whether adding the drug Ruxolitinib will further aid in reducing pre-transplant spleen size, improve physical performance levels and reduce adverse events (side effects) related to the transplant. Ruxolitinib is a drug that is approved by the FDA for the treatment of patients with advanced forms of myelofibrosis. Using Ruxolitinib prior to stem cell transplantation is experimental.

Key facts

Study ID

NCT01790295

Run by

John Mascarenhas

People needed

21

Starts

2013-11-01

Expected to finish

2017-10-26

Last updated by the study team

2019-03-20

Who can join

Age: 18 and older, up to 70. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Documented diagnosis of primary myelofibrosis according to WHO criteria or post PV myelofibrosis or post ET myelofibrosis as per IWG-MRT criteria
• Age 18-70 years
• Intermediate-2/ high-risk disease as per Dynamic IPSS (DIPSS) criteria OR Intermediate-1 risk disease with one of the following additional unfavorable features known to impact the survival adversely
• Red cell transfusion dependency
• Unfavorable Karyotype
• Platelet count <100 x 109/l
• Blasts in the PB and BM ≤10% prior to study enrollment
• Availability of a suitable matched related (6/6 or 5/6) or unrelated donor (10/10 or 9/10 antigen or allele matched).
• Able to give informed written consent
• ECOG Performance status of 0-2.
• Life expectancy >3 months
• Off all MF-directed therapy including investigational agents for at least 2 weeks prior to study enrollment and recovered from all toxicities*
• Adequate organ function
• Adequate renal function - creatinine <1.5 x IULN
• Adequate hepatic function - AST/ALT <2.5 x IULN, Total Bilirubin <1.5 x IULN
• Adequate hematopoietic function - Platelet ≥50 x 109/l and ANC ≥1.0 x 109/l
• LVEF >40% (MUGA or echocardiogram) Normal per Institutional standard
• Adequate pulmonary function with DLCO >50%
• A patient who has been on stable dose of Ruxolitinib and has received ruxolitinib ≤6 months prior to the study entry will be considered potentially eligible for the study with the caveat that there is no evidence of loss of response (>5cm increase in spleen size from the nadir).

You may not qualify if…

• Any previous JAK2 inhibitor treatment prior to study enrollment, with the exception of Ruxolitinib
• Hypersensitivity to JAK inhibitor
• Clinical or laboratory evidence of cirrhosis
• Prior allogeneic transplant for any hematopoietic disorder
• >20% blast in the PB or BM prior to HCT or had leukemic transformation (>20% blasts in PB or BM any time prior to HCT)
• Syngeneic donor
• Cord Blood transplant
• Active uncontrolled infection
• H/o another malignancy within 5-years of date of HCT except h/o basal cell or squamous cell carcinoma of skin or PV or ET
• Known HIV positive
• Pregnancy at the time of BMT
• Any other concurrent illness which in investigator's opinion puts the patient at excessive risk of treatment related toxicities
• Unable to give informed consent
• Active infection with hepatitis A,B or C virus
• Subjects who require therapy with a strong CYP3A4 inhibitor prior to enrollment to this study

Where it is running

• Emory Hospital — Atlanta, Georgia, United States
• Northwestern University, Robert h. Lurie Comprehensive Cancer Center — Chicago, Illinois, United States
• University of Kansas Cancer Center — Westwood, Kansas, United States
• Icahn School of Medicine at Mount Sinai — New York, New York, United States
• Wake Forest Baptist Medical Center — Winston-Salem, North Carolina, United States
• Ohio State University — Columbus, Ohio, United States
• Princess Margaret Cancer Centre, University of Toronto — Toronto, Canada
• University of Oxford — Oxford, United Kingdom

Full record on ClinicalTrials.gov

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