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Whole-body MRI-guided Intensity Modulated Radiation Therapy Combined With Systemic Chemotherapy Followed by High-Dose Chemotherapy With Busulfan, Melphalan and Topotecan and Stem Cell Rescue in Patients With Poor Risk Ewing's Sarcoma


N/A
6 Months
40 Years
Not Enrolling
Both
Adult Supratentorial Primitive Neuroectodermal Tumor (PNET), Ewing Sarcoma of Bone, Extraosseous Ewing Sarcoma, Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor, Recurrent Childhood Supratentorial Primitive Neuroectodermal Tumor, Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor, Untreated Childhood Supratentorial Primitive Neuroectodermal Tumor

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Trial Information

Whole-body MRI-guided Intensity Modulated Radiation Therapy Combined With Systemic Chemotherapy Followed by High-Dose Chemotherapy With Busulfan, Melphalan and Topotecan and Stem Cell Rescue in Patients With Poor Risk Ewing's Sarcoma


PRIMARY OBJECTIVES:

I. To assess the safety and feasibility of whole-body magnetic resonance imaging
(WB-MRI)-guided intensity modulated radiation therapy delivered concurrently with systemic
chemotherapy to sites of metastatic disease in patients with relapsed, refractory and/or
poor risk Ewing sarcoma.

II. To assess the safety and feasibility of a novel consolidation regimen consisting of
busulfan, melphalan and topotecan (topotecan hydrochloride) followed by autologous stem cell
rescue, to be administered immediately after completion of radiation therapy in patients
with relapsed, refractory and/or poor risk Ewing sarcoma.

SECONDARY OBJECTIVES:

I. To characterize the timing of myeloid and platelet engraftment. II. To estimate the
overall and progression free survival probabilities. III. To estimate the cumulative
incidence of relapse/progression and non-relapse related mortality.

IV. To report the overall response rate (overall response rate [ORR]: complete response
[CR]+partial response [PR]) and response duration.

V. To descriptively compare the outcomes of patients treated on this protocol to a
comparable patient population treated with standard high-dose therapy [HDT] for high-risk,
advanced Ewing sarcoma.

VI. To descriptively compare the diagnostic imaging results (number and site of bone
metastases) of whole-body MR imaging to those obtained by skeletal scintigraphy.

OUTLINE:

BLOCK I: Patients receive etoposide intravenously (IV) over 1-2 hours and ifosfamide IV over
1 hour on days 1-5. Patients also undergo WB-MRI-guided intensity-modulated radiation
therapy twice daily (BID), 5 days a week, for approximately 4 weeks. Patients may also
undergo 4 fractions of stereotactic radiation therapy (SRT) every other day (QOD), 3-8
fractions of stereotactic body radiation therapy (SBRT) QOD, or 10 fractions of
3-dimensional radiation therapy (3D RT) daily to sites of metastatic disease.

BLOCK II: Patients receive high-dose chemotherapy comprising topotecan hydrochloride IV
continuously over 24 hours on days -8 to -4, busulfan IV every 6 hours on days -7 to -4, and
melphalan IV over 30 minutes on days -3 and -2. Patients undergo autologous peripheral blood
or bone marrow stem cell infusion on day 0.

After the stem cell infusion, patients are followed up for up to 5 years.


Inclusion Criteria:



- Patients with relapsed Ewing's sarcoma or primitive neuroectodermal tumor (PNET) with
bony/soft tissue metastasis who achieved at least partial response (PR) to
chemotherapy, surgery or radiotherapy

- Newly diagnosed patients with metastatic disease to the bones: patients with
metastatic Ewing's or metastatic PNET who achieved at least partial response (PR) to
chemotherapy, surgery or radiotherapy are eligible

- Ewing's sarcoma/PNET histology confirmed by Anatomic Pathology Department;
histological confirmation of relapse is highly recommended but not mandatory

- Patients must have documented at least partial response (PR) to previous therapy
regimens; previous modalities may include surgery, chemotherapy, or radiation
therapy; radiation must not include lung fields; only patients in CR or PR at the
primary site will be eligible

- Patients must have metastatic/recurrent disease identified by WB-MRI at the time of
study entry; intensity-modulated radiation therapy (IMRT) can be delivered per
protocol guidelines to at least one but not more than five primary/metastatic sites

- Patients must have Karnofsky performance status > 60% OR Lansky performance status >
50% for patients younger than 16 years old

- Women of child-bearing potential and men must agree to use adequate contraception
(hormonal or barrier method of birth control or abstinence) prior to study entry and
for six months following duration of study participation; should a woman become
pregnant or suspect that she is pregnant while participating on the trial, she should
inform her treating physician immediately

- Adequate number of autologous stem cells collected and cryopreserved prior to
starting the study treatment

- Creatinine clearance (12 or 24 hour urine collection) or glomerular filtration rate
(GFR) > 60 ml/min/1.73 m^2

- Ejection fraction > 50% by echocardiogram or multiple gated acquisition (MUGA)

- Bilirubin < 2 x upper limit of normal

- Serum glutamic oxalo-acetic transaminase (SGOT) and serum glutamate pyruvate
transaminase (SGPT) < 5 x upper limit of normal

- Platelet count > 50,000/ul

- Absolute granulocyte count >= 750/ul

- Forced expiratory volume in one second (FEV1) > 2 liters adults (older than 16 years)

- Room air arterial oxygen pressure (PaO2) > 70 mm Hg adults (older than 16 years)

- Room air partial pressure of carbon dioxide (PaCO2) < 42 mm Hg adults (older than 16
years)

- Diffusion capacity of carbon monoxide (DLCO) > 50% predicted

- If unable to cooperate with pulmonary function testing due to young age, then pulse
oximetry >= 94% children (younger than 16 years)

- Pretreatment tests must have been performed within 4 weeks prior to initiation of
protocol treatment

- No other medical and/or psychosocial problems which, in the opinion of the primary
physician or principal investigator, would place the patient at unacceptable risk
from this regimen

- All subjects or their legal guardians must have the ability to understand and the
willingness to sign a written informed consent

Exclusion Criteria:

- Patients should not have any uncontrolled illness including ongoing or active
infection

- Patients may not be receiving any other investigational agents, concurrent biological
agents, or chemotherapy

- Patients must not have received prior chemotherapy or radiation within 2 weeks before
study enrollment, and those who have not recovered from the adverse events due to
agents administered more than 2 weeks earlier are excluded

- Pregnant women are excluded from this study; breastfeeding should be discontinued if
the mother is treated on this study

- Patients with other active malignancies are ineligible for this study

- Patients with prior treatment with myeloablative therapy are excluded

- Karnofsky performance status < 60% or Lansky performance status < 50% for patients
younger than 16 years old

- Patients who require irradiation to more than 5 disease sites are excluded

- Subjects who, in the opinion of the investigator, may not be able to comply with the
safety monitoring requirements of the study

Type of Study:

Interventional

Study Design:

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

Outcome Measure:

Observed toxicities assessed by National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) v4.0

Outcome Description:

Toxicities will be summarized as type, severity, date of onset, duration, reversibility, and attribution.

Outcome Time Frame:

Up to day 100 of Block II

Safety Issue:

Yes

Principal Investigator

Anna Pawlowska

Investigator Role:

Principal Investigator

Investigator Affiliation:

City of Hope Medical Center

Authority:

United States: Federal Government

Study ID:

12391

NCT ID:

NCT01795430

Start Date:

March 2013

Completion Date:

Related Keywords:

  • Adult Supratentorial Primitive Neuroectodermal Tumor (PNET)
  • Ewing Sarcoma of Bone
  • Extraosseous Ewing Sarcoma
  • Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor
  • Recurrent Childhood Supratentorial Primitive Neuroectodermal Tumor
  • Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor
  • Untreated Childhood Supratentorial Primitive Neuroectodermal Tumor
  • Neuroectodermal Tumors
  • Neuroectodermal Tumors, Primitive
  • Sarcoma, Ewing's
  • Neuroectodermal Tumors, Primitive, Peripheral
  • Sarcoma
  • Osteosarcoma

Name

Location

City of Hope Medical CenterDuarte, California  91010