Antineoplaston Therapy in Treating Patients With Metastatic, Recurrent, or Refractory Primitive Neuroectodermal Tumors

Study Overview
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Brief Summary
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Current therapies for Metastatic, Recurrent, or Refractory Primitive Neuroectodermal Tumors provide very limited benefit to the patient. The anti-cancer properties of Antineoplaston therapy suggest that it may prove beneficial in the treatment of Metastatic, Recurrent, or Refractory Primitive Neuroectodermal Tumors. PURPOSE: This study is being performed to determine the effects (good and bad) that Antineoplaston therapy has on patients with Metastatic, Recurrent, or Refractory Primitive Neuroectodermal Tumors.

Detailed Description
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OVERVIEW: This is a single arm, open-label study in which patients with Metastatic, Recurrent, or Refractory Primitive Neuroectodermal Tumors receive gradually escalating doses of intravenous Antineoplaston therapy (Atengenal + Astugenal) until the maximum tolerated dose is reached. Treatment continues up to12 months in the absence of disease progression or unacceptable toxicity. OBJECTIVES: To determine the efficacy of Antineoplaston therapy in patients with Metastatic, Recurrent, or Refractory Primitive Neuroectodermal Tumors, as measured by an objective response to therapy (complete response, partial response or stable disease). To determine the safety and tolerance of Antineoplaston therapy in patients with Metastatic, Recurrent, or Refractory Primitive Neuroectodermal Tumors. To determine objective response, tumor size is measured utilizing MRI scans, which are performed every 8 weeks for the first two years, every 3 months for the third and fourth years, every 6 months for the 5th and sixth years, and annually thereafter.

Official Title
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Phase II Study of Antineoplastons A10 and AS2-1 in Patients With Primitive Neuroectodermal Tumor Outside the Central Nervous System

Conditions
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Primitive Neuroectodermal Tumor

Intervention / Treatment
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* Drug: Antineoplaston therapy (Atengenal + Astugenal)


Participation Criteria
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Eligibility Criteria
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DISEASE CHARACTERISTICS: Histologically confirmed incurable primitive neuroectodermal tumors outside the central nervous system that are unlikely to respond to existing therapy, meeting 1 of the following criteria: Metastatic disease Progressive, recurrent, or refractory disease after initial therapy, including surgery, chemotherapy, and/or radiotherapy Measurable disease by MRI or CT scan Tumor must be at least 2 cm PATIENT CHARACTERISTICS: Age: 6 months and over Performance status: Karnofsky 60-100% Life expectancy: At least 2 months Hematopoietic: WBC at least 2,000/mm^3 Platelet count at least 50,000/mm^3 Hepatic: No hepatic insufficiency Bilirubin no greater than 2.5 mg/dL SGOT and SGPT no greater than 5 times upper limit of normal Renal: No renal insufficiency Creatinine no greater than 2.5 mg/dL No history of renal conditions that contraindicate high dosages of sodium Cardiovascular: No uncontrolled hypertension No history of congestive heart failure No history of other cardiovascular conditions that contraindicate high dosages of sodium Pulmonary: No serious lung disease, such as chronic obstructive pulmonary disease Other: Not pregnant or nursing Fertile patients must use effective contraception during and for 4 weeks after study participation No active infection No nonmalignant systemic disease Not a high medical or psychiatric risk PRIOR CONCURRENT THERAPY: Biologic therapy: At least 4 weeks since prior immunotherapy No concurrent immunomodulating agents Chemotherapy: See Disease Characteristics At least 4 weeks since prior chemotherapy (6 weeks for nitrosoureas) Endocrine therapy: Concurrent corticosteroids allowed Radiotherapy: See Disease Characteristics At least 8 weeks since prior radiotherapy Surgery: See Disease Characteristics Recovered from prior surgery Other: Prior cytodifferentiating agents allowed No prior antineoplastons No other concurrent antineoplastic agents

Ages Eligible for Study
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Minimum Age: 6 Months
Maximum Age: 99 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Antineoplaston therapy<br>Antineoplaston therapy (Atengenal + Astugenal) by IV infusion every four hours for at least 12 months. Study subjects receive increasing dosages of Atengenal and Astugenal until the maximum tolerated dose is reached. | Drug: Antineoplaston therapy (Atengenal + Astugenal)<br>* Patients With Metastatic, Recurrent, or Refractory Primitive Neuroectodermal Tumors will receive Antineoplaston therapy (Atengenal + Astugenal). The daily doses of A10 and AS2-1 are divided into six infusions, which are given at 4-hourly intervals. Each infusion starts with infusion of A10 and is immediately followed by infusion of AS2-1.<br>* Other names: A10 (Atengenal); AS2-1 (Astugenal);|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Metastatic Primitive Neuroectodermal Tumor, Recurrent Primitive Neuroectodermal Tumor, Refractory Primitive Neuroectodermal Tumor