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Ruxolitinib and Pracinostat Combination Therapy for Patients With Myelofibrosis (MF)

Information source: M.D. Anderson Cancer Center
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Myeloproliferative Diseases

Intervention: Ruxolitinib (Drug); Pracinostat (Drug); Questionnaire (Behavioral)

Phase: Phase 2

Status: Recruiting

Sponsored by: M.D. Anderson Cancer Center

Official(s) and/or principal investigator(s):
Srdan Verstovsek, MD, Principal Investigator, Affiliation: M.D. Anderson Cancer Center

Overall contact:
Srdan Verstovsek, MD, Phone: 713-792-7305

Summary

The goal of this clinical research study is to learn if pracinostat, when given in combination with ruxolitinib, can help to control MF. The safety of this drug combination will also be studied.

Clinical Details

Official title: Evaluation of Ruxolitinib and Pracinostat Combination as a Therapy for Patients With Myelofibrosis

Study design: Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome: Objective Response Rate (ORR)

Secondary outcome: Toxicity of Combination of Ruxolitinib with Pracinostat

Detailed description: Study Drug Administration: If you are found to be eligible to take part in this study, you will take ruxolitinib by mouth 2 times each day. You may take your dose of ruxolitinib with or without food. You will also take pracinostat by mouth 1 time each day for 3 alternating days (for example Monday, Wednesday, Friday or Tuesday, Thursday, Saturday) every 3 weeks starting on Day 1 of Cycle 4. You will take your dose of pracinostat in the morning, about 30 minutes before or 2 hours after a meal. You should swallow your dose of pracinostat whole with a cup of water (about 8 ounces). You will be given a study drug diary to write down when you take your dose of study drugs and if you miss or vomit any doses of study drug. You must bring the diary with you to the clinic on Day 1 of each cycle and at the end-of-treatment visit. You will also need to bring any leftover pills and any empty containers of the study drugs to the clinic when the study doctor tells you to do so. Study Visits: There are 28 days (4 weeks) in every study cycle. You will visit MD Anderson for regular study visits while participating in this study during Cycles 2-7, and then once every 3 cycles after that (Cycles 10, 13, 16, and so on). Once during Cycles 2-7 and then once every 3 cycles after that (Cycles 10, 13, 16, and so on):

- You will have a physical exam.

- You will complete the questionnaire about your quality of life.

At your visits during Cycles 4, 5, and 6 and then once every 3 cycles starting with cycle 10 (cycles 10, 13, 16 and so on): You will have an EKG to check your heart function. At your visits during Cycles 4, 5, and 7 and then every 3 cycles after that (Cycles 10, 13, 16, and so on) blood (about 1-2 teaspoons) will be drawn for cytokine testing. At your visits during Cycles 7 and 13, and then every 6 cycles after that (Cycles 19, 25, 31, and so on), if the doctor thinks it is needed, you will have a bone marrow biopsy to check the status of the disease and for cytogenetic and genetic testing. Every 2 weeks during the first 6 cycles and then once every 2 to 4 weeks after that, blood (about 2-3 tablespoons) will be drawn for routine tests. In between the mandatory visits to MD Anderson, you may choose to have these blood draws performed at a local lab or clinic closer to your home. The results will be sent to the study doctor. Length of Treatment: You may continue taking the study drugs for up to 4 years. You will no longer be able to take the study drugs if the disease gets worse, if intolerable side effects occur, or if you are unable to follow study directions. Your participation on the study will be over after the follow-up. Follow-Up: About 30 days after your last dose of study drugs, if you are not receiving another treatment for MF, you will be called by the study doctor or a member of the study staff and asked about any side effects you may be having. This call should last about 10 minutes. This is an investigational study. Pracinostat is not FDA-approved or commercially available. It is currently being used for research purposes only. Ruxolitinib is FDA-approved and commercially available to treat MF. The study doctor can explain how the study drugs are designed to work. Up to 25 participants will be enrolled in this study. All will take part at MD Anderson.

Eligibility

Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria: 1. Diagnosis of MF (either primary or post essential thrombocythemia/polycythemia vera) requiring therapy, including those previously treated and relapsed or refractory, or

if newly diagnosed, with intermediate-1 or - 2 or high risk according to International

Prognostic Scoring System (IPSS). 2. Palpable splenomegaly of more than or equal to 5 cm below left costal margin on physical exam 3. Understanding and voluntary signing an IRB-approved informed consent form. 4. Age equal to or more than 18 years at the time of signing the informed consent. 5. Disease-free of other malignancies. 6. ECOG performance status 0 to 2. 7. Negative pregnancy test in females of childbearing potential (FCBP). Male patients with female partners of child-bearing potential and female patients of childbearing potential are required to use two forms of acceptable contraception, including one barrier method, during their participation in the study and for 30 days following last dose. Acceptable forms of contraception include 1 highly effective method such as an intrauterine device (IUD), hormonal (birth control pills, injections, or implants), tubal ligation, or partner's vasectomy and at least 1 additional approved barrier method such as a latex condom, diaphragm, or cervical cap. Female patients of childbearing potential must not be breast-feeding or planning to breast feed and must have a negative pregnancy test ≤7 days before first study treatment. 8. QTcF interval equal to or less than 470 msec 9. Normal serum potassium magnesium levels 10. Adequate organ function as demonstrated by the following: Direct bilirubin equal to or less than 2. 0 mg/dL , Serum creatinine equal to or less than 2. 0 mg/dL., SGPT equal to or less than 3 x upper limit of normal (unless considered to be related to MF or patient has known history of Gilberts) 11. Platelets >/= 50000/uL 12. ANC >/= 1000/uL Exclusion Criteria: 1. Prior therapy with a JAK inhibitor (other than ruxolitinib for less than 3 months duration and currently on it) or HDACi. Patients that are currently on ruxolitinib for less than 3 months of therapy are eligible. 2. Use of any other standard or experimental therapy within 14 days of starting study therapy. 3. Lack of recovery from all toxicity from previous therapy to grade 1 or baseline. 4. Suspected pregnancy, pregnant or lactating females. 5. Any condition, including the presence of laboratory abnormalities, which in the opinion of the treating physician places the subject at unacceptable risk if he/she were to participate in the study or confounds the ability to interpret data from the study. 6. Known positive for HIV or infectious hepatitis, type A, B or C. 7. Patients with gastrointestinal (GI) tract disease, causing the inability to take oral medication, malabsorption syndrome, a requirement for intravenous (IV) alimentation, prior surgical procedures affecting absorption, uncontrolled inflammatory GI disease (e. g., Crohn's disease, ulcerative colitis) 8. Cardiopulmonary function criteria: • Current unstable arrhythmia requiring treatment • History of symptomatic congestive heart failure • History of myocardial infarction within 6 months of enrollment • Current unstable angina • Family history of long QT syndrome.

Locations and Contacts

Srdan Verstovsek, MD, Phone: 713-792-7305

University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States; Recruiting
Additional Information

University of Texas MD Anderson Cancer Center Website

Starting date: January 2015
Last updated: June 24, 2015

Page last updated: August 23, 2015

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