Founded in 1993
  Year: 2006 | Volume: 14 | Issue: 1-2 | Pages: 26-29
  Original Article
  OCTREOTIDE IN THE THERAPY OF RECURRENT MEDULLOBLASTOMAS
Stefanovic I, Stojanovic N, Stojanov D, Dimov D.
  DOI: 10.2298/AOO0602026S
  Abstract:
  Background: Recurrence of medulloblastoma appears after 30% to 40% of the surgeries. Different from primary medulloblastoma, in which five-year survival rate is 50%, the survival time of relapses much shorter and only 20% of the patients manage to survive a year. There is a logical need for additional methods of treatment of recurrent medulloblastomas. The aim of the study is to determine the effects of intracavitary and long-term subcutaneous application of Sandostatin (octreotide) on the recurrent medulloblastomas.
Methods: Fourteen children aged 4 to 9 years, in which, despite of craniospinal irradiation and chemotherapy came to a recurrence of medulloblastoma during the first 6 months after the surgery, were treated subcutaneously with Sandostatin (octreotide) in a longer period of time. Cerebellar medulloblastomas with a diameter bigger than 20 mm and spinal over 10 mm were removed operatively and octreotide with Beriplast was applied intracavitary.
Results: Magnetic resonance of cranioaxis shows that the application of octreotide has caused the disappearance of spinal drop metastases in all 7 patients and the cerebellar metastases smaller than 5 mm in all 4 patients. Subcutaneous application of octreotide combined with intracavitary expresses an antitumoral effect in 2/3 of the relapses. The application of octreotide results with a transformation of Chang?s stage M0 into M1 in 71.43% of the patients.
Conclusion: In the case of in loco or metastatic recurrence of medulloblastomas, intracavitarily and subcutaneously applied octreotide results with a regression of the tumor in a 3 year time within 2/3 of the treated patients.
  Key words: Medulloblastoma; Neoplasm Recurrence, Local; Octreotide; Treatment Outcome; Neoplasm Metastasis; Injections, Intraventricular; Administration, Cutaneous
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Founder, owner and publisher: Oncology Institute of Vojvodina, Serbia
Online since 1997 (Abstracts only); 2000 (Abstracts and Full text)
ISSN: 0354-7310 eISSN: 1450-9520