A Study of LY2880070 and Gemcitabine in People With Ewing Sarcoma,Ewing-Like Sarcoma, and Desmoplastic Small Round Cell Tumor

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• Patients who have an uncontrolled infection
• Central Nervous System (CNS) Metastases
  • Patients who have symptomatic central nervous system (CNS) metastases. Note: patients with treated and asymptomatic CNS metastases are eligible.
  • Patients with CNS metastases requiring corticosteroids for management
  • If the treatment of CNS disease requires anticonvulsants, the dose must have been stable for ≥ 4 weeks.
• Patients with known hypersensitivity to gemcitabine

Laborértékek

• Patients who have a history of Torsades de Pointes, carry a diagnosis of congestive heart failure, or have a family history of prolonged QT syndrome

Egyéb

• Patients for whom the investigator deems that gemcitabine is not appropriate
• Patients who are pregnant or breast feeding
• Patients who, in the opinion of the investigator, may not be able to comply with the safety monitoring requirements of the study

• Consent/Assent: all patients and/or their parents or legally authorized representatives must sign written informed consent; assent, when appropriate, will be obtained according to institutional guidelines
• Weight/Age: patients must be ≥40 kg at the time of study enrollment, but may be of any age
• Diagnosis: Patients must have histologically documented locally advanced or metastatic disease confirmed at MSK as follows:
  • Main cohort: Ewing sarcoma as molecularly defined by an EWSR1 fusion with an ETS-transcription factor family member including FLI1, ERG, ETV1, ETV4, and FEV
  • Pilot cohort: Ewing-like sarcomas including CIC-rearranged sarcoma, BCOR-rearranged sarcoma, and sarcomas with a rearrangement between EWSR1 and a non-ETS family gene or desmoplastic small round cell tumor as molecularly defined by an EWSR1-WT1 fusion
  • Note: Any patient being enrolled into the pilot cohort that does not have a CIC, BCOR- rearranged sarcoma, or desmoplastic small round cell tumor will be reviewed with study pathologist, Dr. Cristina Antonescu, to ensure the categorization as Ewing-like sarcoma is appropriate
• Patients must be able to swallow capsules
• Therapeutic options: patient's current disease state must be one which has failed standard cytotoxic chemotherapy including cyclophosphamide/doxorubicin/vincristine and ifosfamide/etoposide
• Disease Status: patients must have measurable disease based on RECIST 1.1
• Performance level: Karnofsky ≥70% for patients >16 years of age and Lansky ≥70 for patients ≤16 years of age
• Prior Therapy: patients may have had any number of regimens and must meet the following minimum duration from prior anti-cancer directed therapy prior to enrollment
  • Note: Patients who have previously received gemcitabine will be allowed unless they had hypersensitivity or unacceptable toxicity attributed to gemcitabine
• ≥ 21 days must have elapsed after the last dose of cytotoxic or myelosuppressive chemotherapy and patients must have recovered from the acute toxic effects of these agents (other than alopecia)
• ≥ 14 days must have elapsed after radiation therapy, and toxicity related to prior radiation therapy must be recovered to grade ≤ 1
• ≥ 21 days must have elapsed after the last dose of antibody therapy, and toxicity related to prior antibody therapy must be recovered to grade ≤ 1
  • Organ Function Requirements:
• Adequate bone marrow function defined as:
  • Absolute neutrophil count (ANC) ≥ 1500/mm3
  • Platelet count ≥ 100,000/mm3
  • Hemoglobin ≥ 8 g/dl
• Adequate renal function defined as estimated glomerular filtration (eGFR) rate ≥ 60 mL/min/1.73m2:
  • as estimated by CKD-EPI equation for patients ≥ 18 years of age OR
  • As estimated by cystatin C for patients < 18 years of age
• Adequate liver function defined as:
  • Bilirubin (sum of conjugated + unconjugated) ≤ 1.5 x upper limit of normal for age
  • AST or ALT ≤ 2.5 x upper limit of normal for patients without liver metastases
  • AST or ALT ≤ 5 x upper limit of normal for patients with liver metastases
  • Serum albumin ≥ 2.5 g/dl
• Adequate cardiac function defined as:
  • Left ventricular ejection fraction (LVEF) >45% as measured on echocardiogram, cardiac MRI, or MUGA
  • QTc < 470 ms on screening 12 lead electrocardiogram
• Pregnancy/Contraception
  • Post-menarchal females must have a negative urine or serum pregnancy test at screening and ≤ 24 hours prior to study treatment
  • Males or females of reproductive potential must be willing to use a barrier method of contraception throughout the course of the study and for 6 months after completing study treatment