Epigenetic Reprogramming in Relapse/Refractory AML

Status: Recruiting
Phase:
DFCI Protocol ID: 18-145

This is a pilot study using decitabine and vorinostat before and during chemotherapy with fludarabine, cytarabine and G-CSF (FLAG).

Conducting Institutions:

Children's Hospital Boston, Dana-Farber Cancer Institute

Overall PI:

Andrew Place, MD, PhD, Dana Farber Cancer Institute

Site-responsible Investigators:

Contacts:

Dana-Farber Cancer Institute: Childrens Hospital Pediatric Clinical Translation Investigation Program CTIP, ctip@partners.org

Eligibility Criteria

Inclusion Criteria:

- Patients must be ≥ 1 and ≤25 years of age.

Diagnosis:

- Patients with AML must have ≥ 5% blasts (by morphology) in the bone marrow

  -  Patients may have CNS or other sites of extramedullary disease. No cranial irradiation
     is allowed during the protocol therapy.

  -  Patients with secondary AML are eligible

  -  Patients with Down syndrome and DNA fragility syndromes (such as Fanconi anemia, Bloom
     syndrome) are excluded.

Performance Level:

- Karnofsky >50% for patients >16 years of age and Lansky > 50% for patients ≤ 16 years of
age (See Appendix II for Performance Scales)

Prior therapy

- Patients must have fully recovered from the acute toxic effects of all prior
chemotherapy, immunotherapy, or radiotherapy prior to entering this study.

  1. Phase 1

     - Any patient with AML in 1st or greater relapse, OR

     - Patients with AML failed to go into remission after first or greater relapse, OR

     - Patients with AML failed to go into remission from original diagnosis after two or
     more induction attempts.

  2. Cytoreduction with hydroxyurea - Hydroxyurea can be initiated and continued for up to
     24 hours prior to the start of decitabine/vorinostat. It is recommended to use
     hydroxyurea in patients with significant leukocytosis (WBC >50,000/L) to control blast
     count before initiation of systemic protocol therapy.

  3. Patients who relapsed while they are receiving cytotoxic therapy

     - At least 14 days must have elapsed since the completion of the cytotoxic
     therapy,except Intrathecal chemotherapy.

     Hematopoietic stem cell transplant (HSCT):

     - Patients who have experienced their relapse after a HSCT are eligible, provided they
     have no evidence of acute or chronic Graft-versus-Host Disease (GVHD).

     Hematopoietic growth factors:

     - It must have been at least 7 days since the completion of therapy with GCSF or other
     growth factors at the time of enrollment. It must have been at least 14 days since the
     completion of therapy with pegfilgrastim (Neulasta ®)

     Biologic (anti-neoplastic agent):

     -At least 7 days after the last dose of a biologic agent. For agents that have known
     adverse events occurring beyond 7 days after administration, this period must be
     extended beyond the time during which adverse events are known to occur. The duration
     of this interval must be discussed with the study chair.

     Monoclonal antibodies: At least 3 half-lives of the antibody must have elapsed after
     the last dose of monoclonal antibody (i.e. Gemtuzumab = 36 days)

     Immunotherapy: At least 42 days after the completion of any time of immunotherapy,
     e.g. tumor vaccines or CAR T-cell therapy.

     XRT: Cranio or craniospinal XRT is prohibited during protocol therapy. No washout
     period is necessary for radiation given to non-CNS chloromas; >90 days must have
     elapsed if prior TBI, cranio or craniospinal XRT.

     Prior Demethylating and/or HDAC Inhibitor Therapy: Patients who have received prior
     DNMTi (e.g. decitabine) and/or HDACi (e.g. vorinostat) therapy are eligible to
     participate in this Phase 1 study. At least 7 days must have passed from prior DNMTi
     or HDACi as a washout period.

     Renal and hepatic function: Patients must have adequate renal and hepatic functions as
     indicated by the following laboratory values:

     A. Adequate renal function defined as: Patient must have a calculated creatinine
     clearance or radioisotope GFR ≥ 70ml/min/1.73m2 OR a normal serum creatinine based on
     age/gender.

     B. Adequate Liver Function Defined as: Direct bilirubin < 1.5 x upper limit of normal
     (ULN) for age or normal, AND alanine transaminase (ALT) < 5 x ULN for age. The hepatic
     requirements are waived for patients with known or suspected liver involvement by
     leukemia. This must be reviewed by and approved by the study chair or vice chair.

     Adequate Cardiac Function Defined as: Shortening fraction of ≥ 27% by echocardiogram,
     OR ejection fraction of ≥ 50% by radionuclide angiogram (MUGA).

     Reproductive Function A. Female patients of childbearing potential must have a
     negative urine or serum pregnancy test confirmed within 2 weeks prior to enrollment.

     B. Female patients with infants must agree not to breastfeed their infants while on
     this study.

     C. Male and female patients of child-bearing potential must agree to use an effective
     method of contraception approved by the investigator during the study and for a
     minimum of 6 months after study treatment.

     Exclusion Criteria:

     -No NG or G-Tube administration of Vorinostat is allowed. Capsule must be swallowed
     whole or given as oral suspension.

     -They are currently receiving other investigational drugs.

     -There is a plan to administer non-protocol chemotherapy, radiation therapy, or
     immunotherapy during the study period.

     -They have significant concurrent disease, illness, psychiatric disorder or social
     issue that would compromise patient safety or compliance, interfere with consent,
     study participation, follow up, or interpretation of study results.

     -They have a known allergy to any of the drugs used in the study.

     -Patients with Down syndrome are excluded.

       -  Patients with DNA fragility syndromes are excluded (e.g. Fanconi Anemia, Bloom
  Syndrome)

       -  They are receiving valproic acid (VPA) therapy.

       -  Patients with Acute Promyelocytic Leukemia (APL, APML) are excluded

       -  Patients with documented active and uncontrolled infection at the time of study
  entry are not eligible

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