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Leukemia, Chronic Myeloid (S1712)

A Randomized Phase II Study of Ruxolitinib (NSC-752295) in Combination With BCR-ABL Tyrosine Kinase Inhibitors in Chronic Myeloid Leukemia (CML) Patients With Molecular Evidence of Disease

Objective

Overview

This randomized phase II trial studies how well ruxolitinib phosphate and dasatinib or nilotinib work in treating patients with chronic myeloid leukemia. Ruxolitinib, dasatinib, and nilotinib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth.

Key Inclusion Criteria

Inclusion Criteria:

  • Patients must have a diagnosis of chronic phase chronic myeloid leukemia without any history of progression to accelerated or blast phase CML; no new bone marrow aspiration and biopsy is needed to prove diagnosis prior to randomization; however, documentation stating the patient is in chronic phase is required
  • Patients must have detectable BCR-ABL transcripts measured by reverse transcriptase (RT)-PCR at a clinical laboratory improvement act (CLIA)-approved laboratory and reported on the international scale (IS) with a value of > 0.0032% IS and =< 1.0% IS within 21 days prior to randomization; the RT-PCR assay must have the sensitivity to detect a 4.5 log reduction in BCR-ABL transcripts from baseline (at least 0.0032% IS)
  • Patients must be receiving treatment with dasatinib (within the allowable dose range of 70-100 mg daily) or nilotinib (within the allowable dose range of 200-400 mg BID) as first or second line therapy for a minimum of 6 months prior to registration
  • Patients must not have received > 2 TKIs for treatment of CML (hydroxyurea prior to initiation of TKI is allowed)

    • Patients must have been on their current TKI for a minimum of 6 months prior to randomization
    • If dasatinib or nilotinib is second-line therapy, the reason for stopping first-line treatment must not have been resistance to prior treatment or failure to achieve an adequate response on their first-line TKI (e.g., the patient could have stopped due to intolerance to prior TKI)
  • Patients must have been receiving TKI treatment for CML for at least one year and no more than 10 years prior to randomization
  • Patients must be expected to remain on the same TKI for the next 12 months
  • Patients must not be receiving any other investigational agents
  • Patients must have complete history and physical examination within 28 days prior to randomization
  • Patients must have corrected Fridericia's correction formula (QTcF) interval < 500 ms (by Fridericia calculation) on a 12-lead electrocardiography (EKG) within 7 days prior to randomization
  • Platelets >= 100,000/mm^3 (100.0 x 10^9/L) within 7 days prior to randomization
  • Absolute neutrophil count (ANC) > 1,000/mm^3 (1.0 x 10^9/L) within 7 days prior to randomization
  • Hemoglobin >= 8 g/dL within 7 days prior to randomization
  • Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) =< 2.5 x institutional upper limit of normal (IULN) within 7 days prior to randomization
  • Total bilirubin =< 1.5 x IULN within 7 days prior to randomization
  • Serum creatinine =< 1.5 x IULN within 7 days prior to randomization
  • Prior malignancy is allowed providing it does not require concurrent therapy; exception: active hormonal therapy is allowed
  • Patients must not be pregnant or nursing; women of child-bearing potential must have a negative serum pregnancy test within 7 days prior to randomization; women/men of reproductive potential must have agreed to use an effective contraceptive method during treatment and for 30 days after discontinuation of study drug; a woman is considered to be of "reproductive potential" if she has had menses at any time in the preceding 12 consecutive months; in addition to routine contraceptive methods, "effective contraception" also includes heterosexual celibacy and surgery intended to prevent pregnancy (or with a side-effect of pregnancy prevention) defined as a hysterectomy, bilateral oophorectomy or bilateral tubal ligation; however, if at any point a previously celibate patient chooses to become heterosexually active during the time period for use of contraceptive measures outlined in the protocol, he/she is responsible for beginning contraceptive measures
  • Patients known to be human immunodeficiency virus positive (HIV+) are eligible provided they meet all other eligibility criteria and have undetectable HIV viral loads
  • Specimens (peripheral blood) must be collected and submitted to a CLIA-approved laboratory, within 21 days prior to randomization; BCR-ABL transcripts must be measured using RT-PCR and results must be reported using the international scale; the RT-PCR assay must have the sensitivity to detect a 4.5 log reduction in BCR-ABL transcripts from baseline (at least 0.0032% IS)
  • Patients must be offered participation in submission of specimens for central BCR-ABL quantification; this submission is highly encouraged as an important protocol endpoint; with patient?s consent, specimens must be collected and submitted, within 21 days prior to randomization
  • Patients must be offered participation in specimen banking for future research; with patient?s consent, specimens must be submitted
  • Patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines
  • As a part of the Oncology Patient Enrollment Network (OPEN) registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system

Phase: II

Learn More

ClinicalTrials.Gov

IRB Protocol Number
SWOG S1712
Principal Investigator(s)
Roberto Ferro, MD

Clinical Trial Categories

  • Precision Medicine & Rare Tumors
  • Oncology
  • Hematologic Cancer
Contact
Kelsey Bridges at 864-560-1019
or kbridges@gibbscc.org
How to Participate

Kelsey Bridges
864-560-1019 or 864-560-6812
kbridges@gibbscc.org

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