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  • Title: Clinical evaluation of chemosensitivity testing for patients with unresectable non-small cell lung cancer (NSCLC) using collagen gel droplet embedded culture drug sensitivity test (CD-DST).
    Author: Kawamura M, Gika M, Abiko T, Inoue Y, Oyama T, Izumi Y, Kobayashi H, Kobayashi K.
    Journal: Cancer Chemother Pharmacol; 2007 Mar; 59(4):507-13. PubMed ID: 16896928.
    Abstract:
    PURPOSE: In the present study, we prospectively evaluated the clinical feasibility and efficacy of collagen gel droplet embedded culture drug sensitivity test (CD-DST) in unresectable non-small cell lung cancer (NSCLC) without previous treatment. EXPERIMENTAL DESIGN: Eighty patients with unresectable NSCLC, aged less than 81 years old, PS 0-1, and with evaluable tumor lesions, entered the study. If the patient had CD-DST active drugs, more than three cycles of chemotherapy containing these drugs were administered. If the patient did not have CD-DST active drugs, the patient could choose any treatment including best supportive care. RESULTS: Of the 80 patients in this study, CD-DST yielded results successfully in 49 patients (61.3%). CD-DST active drugs were present in 22 patients, and significantly more female patients had in vitro active anticancer agents than male (P=0.0008). All of the patients with CD-DST active agents received chemotherapy including these agents. In these patients, the response rate was 72.7%, and median survival was 15.0 months. In the patients without CD-DST active agents, 11 patients received standard, empirical chemotherapy. In these patients, response rate was 0%, and median survival was 6.0 months. CONCLUSIONS: The results show that CD-DST is capable of selecting the responders and the respective optimal regimens, and also delineating the patients less likely benefit from treatment.
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