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  • Title: Photodynamic therapy of malignant brain tumours: a phase I/II trial.
    Author: Kostron H, Fritsch E, Grunert V.
    Journal: Br J Neurosurg; 1988; 2(2):241-8. PubMed ID: 2855780.
    Abstract:
    Twenty patients bearing malignant brain tumours (18 glioblastoma multiforme, one malignant meningioma, one melanoma metastasis) were treated 25 times with photodynamic therapy (PDT)--the combination of Hematoporophyrin derivative and light at 630 nm (40-120 J/cm2). Sixteen times the PDT was followed immediately by a single dose radiation of 4 Gy of fast electrons. Conventional radiotherapy following PDT was performed in eight patients. The median survival of three patients with multiple recurrences of glioblastoma grade IV and various chemo- and radiotherapy was 5 months. Four out of 10 patients with one recurrence and prior treatment died with a median survival of 5 months, six are still living up to 12 months. Six patients with a primary glioblastoma are surviving now up to 22 months. Phototoxicity to the skin, the only side effect of PDT, was noted in five cases, but did not pose any threat to the patients. The treatment did not affect the quality of life of the patients. Our preliminary results with the photodynamic treatment of malignant gliomas indicate that PDT might be a valuable addition to our armament in the treatment of such tumours.
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