Abstract Title:

Phase II study of antineoplaston A10 and AS2-1 in patients with recurrent diffuse intrinsic brain stem glioma: a preliminary report.

Abstract Source:

Drugs R D. 2003 ;4(2):91-101. PMID: 12718563

Abstract Author(s):

Stanislaw R Burzynski, Robert I Lewy, Robert A Weaver, Maxwell L Axler, Tomasz J Janicki, Gabor F Jurida, Jaroslaw K Paszkowiak, Barbara G Szymkowski, Mohammad I Khan, Mark Bestak

Article Affiliation:

Department of Internal Medicine, Burzynski Clinic, Houston, Texas, USA. info@burzynskiclinic.com

Abstract:

OBJECTIVE: A phase II study of antineoplaston A10 and AS2-1 was conducted to evaluate the antineoplastic activity in patients with recurrent diffuse intrinsic brain stem glioma.

PATIENTS AND METHODS: This report describes the results of treatment of the first 12 patients admitted to the study. Patients received escalating doses of antineoplaston A10 and AS2-1 by intravenous bolus injections. The median duration of treatment was 6 months and the average dosage of antineoplaston A10 was 11.3 g/kg/day and of antineoplaston AS2-1 0.4 g/kg/day. Responses were assessed by gadolinium-enhanced magnetic resonance imaging of the head.

RESULTS: Of ten evaluable patients, complete response was determined in two cases (20%), partial response in three (30%), stable disease in three (30%) and progressive disease in two (20%). Survival at 2 years was 33.3%. Currently, of all 12 patients, two (17%) were alive and tumour free for over 5 years since initial diagnosis; one was alive for more than 5 years, and another for more than 4 years from the start of treatment. Only mild and moderate toxicities were observed, which included three cases of skin allergy, two cases of anaemia, fever and hypernatraemia, and single cases of agranulocytosis, hypoglycaemia, numbness, tiredness, myalgia and vomiting.

CONCLUSION: The results of this study compared favourably with the responses of patients treated with radiation therapy and chemotherapy. The study continues with accrual of additional patients.

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