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A Favorable Treatment Response of Erlotinib in Lung Adenocarcinoma with Concomitant Activating EGFR Mutation and ROS1 Rearrangement

The Ewha Medical Journal 2014³â 37±Ç 1È£ p.46 ~ p.51

±è¹Îȯ(Kim Min-Hwan) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
¹Ú¿¹Çö(Park Ye-Hyun) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
¹ÚÇýÁ¤(Park Hye-Jung) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
Áö¾Æ¿µ(Ji Ah-Young) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
¼Ûâȣ(Song Chang-Ho) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
Áø¹«³â(Jin Moo-Nyun) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
±è¿µÁÖ(Kim Young-Ju) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
±è¼±¿í(Kim Sun-Wook) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
ÀÌÁßÈñ(Lee Jung-Hee) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
±èÀμö(Kim In-Soo) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
±èÇý·Ã(Kim Hye-Ryun) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
±èÁÖÇ×(Kim Joo-Hang) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
Á¶º´Ã¶(Cho Byoung-Chul) - ¿¬¼¼´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç

Abstract

The rearrangement of c-ros oncogene 1 (ROS1) has been recently identified as an important molecular target in non small cell lung cancer (NSCLC). ROS1 rearrangement and epidermal growth factor receptor (EGFR) mutation were mutually exclusive each other in previous studies, and the clinical implication of co-existence of the two genetic alterations has not been determined. We report a case of 46-year-old female never-smoker NSCLC patient whose tumor harbored ROS1 rearrangement and EGFR mutation concomitantly. She had undergone curative surgery for stage IIIA NSCLC, and the recurrence in left pleura and brain occurred at 2 years after the surgery. She received several lines of chemotherapy including docetaxel plus carboplatin, erlotinib, pemetrexed, and gemcitabine. Erlotinib therapy showed a favorable treatment response with progression-free survival of 9.5 months and partial response of tumor on radiologic evaluations. This case represents a successful erlotinib treatment in a NSCLC patient with concurrent ROS1 rearrangement and EGFR mutation.

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c-ros oncogene 1, Epidermal growth factor receptor, Non-small-cell lung carcinoma, Erlotinib
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Erlotinib therapy showed a favorable treatment response with progression-free survival of 9.5 months.
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