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Temozolomide for treating brain metastases.

L E Abrey1, C Christodoulou

  • 1Department of Neurology at Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA.

Seminars in Oncology
|September 11, 2001
PubMed
Summary

Temozolomide effectively crosses the blood-brain barrier, showing promise for brain metastases. Clinical trials indicate it is safe and well-tolerated, with significant response rates when combined with radiation therapy.

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Area of Science:

  • Oncology
  • Neuro-oncology
  • Pharmacology

Background:

  • Brain metastases from solid tumors have a poor prognosis.
  • Limited treatment options exist due to the blood-brain barrier (BBB).
  • Chemotherapeutic agents often fail to penetrate the BBB.

Observation:

  • Temozolomide is a novel chemotherapeutic agent.
  • Temozolomide demonstrates a good safety profile.
  • Temozolomide effectively crosses the BBB and shows activity against solid tumors.

Findings:

  • In Phase II trials, temozolomide was safe and well-tolerated in patients with brain metastases.
  • Clinical activity was observed, including partial responses and disease stabilization.
  • A randomized Phase II trial showed higher objective response rates (96% vs. 67%) with concurrent temozolomide and radiation therapy compared to radiation alone.

Implications:

  • Temozolomide represents a viable treatment option for brain metastases.
  • Combination therapy with radiation may improve treatment outcomes.
  • Further research into temozolomide for brain metastases is warranted.

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