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Department of Obstetrics and Gynecology, Niigata University School of Medicine, 1, Asahimachi-dori, Niigata 951 [Y. A., K. T., S. K., K. T.]; Department of Obstetrics and Gynecology, Sanjo General Hospital 5, Ijima, Sanjo, Niigata 955 [M. T.]; Department of Obstetrics and Gynecology, Niigata City Hospital, Shichikuyama, Niigata 951 [A. T.]; and Department of Obstetrics and Gynecology, Niigata Cancer Center 2, Kawagishichou, Niigata 951 [T. T.], Japan
Lymphocytes isolated from fresh human epithelial ovarian tumors can be expanded in the presence of recombinant interleukin-2, and some CD8 antigen-positive lymphocytes can lyse autologous fresh tumor cells. We treated 7 patients with advanced or recurrent epithelial ovarian cancers, using the adoptive transfer of these tumor-infiltrating lymphocytes (TILs) following a single i.v. injection of cyclophosphamide. One case of disappearance (complete response) and 4 cases of >50% decrease of tumor (partial response) were reported (14.3 and 57.1%, respectively). Regression of tumors in the ovary, liver, lung, and lymph node, both primaries and metastases, lasted for 35 months. Furthermore, 10 patients were treated alternately with a cisplatin-containing chemotherapeutic regimen and the adoptive transfer of TILs. Seven cases of complete regression and 2 cases of partial regression of cancer were reported. Four of the 7 patients with a complete response have had no recurrence for >15 months of follow-up. It appears that this experimental technique of adoptive transfer of TILs achieves high response rates even without recombinant interleukin-2 administration and that the prospect of combined therapy using TILs and cisplatin offers hope for increasing the cure rate and long-term survival.
1 This work was supported in part by a Grant-in-Aid from the Ministry of Health and Welfare for the Comprehensive 10-Year Strategy for Cancer Control.
2 To whom requests for reprints should be addressed.
Received 1/11/90. Accepted 1/17/91.
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