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  • Title: [Clinical results of super high-dose chemotherapy with peripheral blood stem cell transplantation for patients with advanced germ cell tumor].
    Author: Gohji K, Hara I, Yamada Y, Nomi M, Arakawa S, Kamidono S.
    Journal: Hinyokika Kiyo; 1999 Nov; 45(11):799-804. PubMed ID: 10637747.
    Abstract:
    We examined the clinical results of super high-dose chemotherapy with peripheral blood stem cell transplantation (PBSCT) in 14 patients with poor-risk advanced germ cell tumors. The mean number of nadir white blood cells was 205 +/- 126/microliter; the mean period of number of white blood cells fewer than 1,000/microliter was at 8-10 days (mean +/- SD; 9.2 +/- 0.92). The nadir number of blood platelet cells was 1.7 +/- 0.70 x 10(4)/microliter; the mean period of number of platelet cells fewer than 5 x 10(4)/microliter was at 12.6 +/- 2.17 days. Of 10 patients treated with super high-dose chemotherapy with PBSCT as induction therapy, 8 patients (80%) showed that the serum tumor marker returned within the normal range after super high-dose chemotherapy. Of 8 patients, 7 underwent resection of the residual tumor. Surgical or pathological CR was obtained in 5 of these 7 patients, 4 patients of whom were alive with no evidence of disease 29 to 49 months after initial consultation: the other patient died with recurrence 20 months after initial visit. On the other hand, super high-dose chemotherapy with PBSCT was performed for one patient as consolidation, and for 3 patients with recurrence. Of these 4 patients, one died from disease 6 months after detection of recurrence. The other 3 patients were alive with no evidence of disease at 7-37 months after initial visit. The 1- and 3-year disease-free survival rates were 88% and 72%, respectively. In conclusion, super high-dose chemotherapy with PBSCT can be done safely and could be useful for patients with poor-risk germ cell tumor.
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