Photodynamic therapy of supratentorial gliomas

Paul J. Muller M.D.; Brian C. Wilson

doi:10.1117/12.273505

8 May 1997 Photodynamic therapy of supratentorial gliomas

Paul J. Muller M.D., Brian C. Wilson

Proceedings Volume 2972, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy VI; (1997) https://doi.org/10.1117/12.273505
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

Abstract

We are reporting the results form intraoperative intracavitary PDT treatment in 56 patients with recurrent supratentorial gliomas who had failed previous surgery and radiotherapy. These patients received 2mg/kg Photofin iv. 12-36 hours prior to surgical resection of their tumor or tumor cyst drainage. The median survival times in weeks for glioblastoma (GBM), malignant astrocytoma (MA), malignant mixed astrocytoma-oligodendroglioma and ependymoma were 30, 40, >56 and >174 weeks, respectively. Eight patients with recurrent GBM who received >60 J/cm² had a median survival of 58 weeks and 24 patients who received <60 J/cm² survived 29 weeks. The survival of patients with recurrent glioblastoma who undergo surgical treatment alone is only 20 weeks. We are also reporting the results of PDT treatment in 20 patients with newly diagnosed MA or GBM treated with intracavitary Photofin-PDT at the time of their initial craniotomy. The median survival of the whole cohort was 44 weeks with a 1 and 2 year survival of 40 percent and 15 percent, respectively. The median survival of patients with GBM was 37 weeks with a 1 and 2 year actuarial survival of 35 percent and 0 percent, respectively. The median survival of patients with MA as 48 weeks with a 1 and 2 year actuarial survival of 44 percent and 33 percent, respectively. Six patients with a Karnofsky score of >70 who received a light dose of >1260J had a median survival of 92 weeks with a 1 and 2 year survival of 83 percent and 33 percent, respectively. The mortality rate in our total series of 93 PDT treatments or brain tumor is 3 percent. The combined serious mortality-morbidity rate is 8 percent.

Citation Download Citation

Paul J. Muller M.D. and Brian C. Wilson "Photodynamic therapy of supratentorial gliomas", Proc. SPIE 2972, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy VI, (8 May 1997); https://doi.org/10.1117/12.273505

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