?????·??|?§???????é????????????o??o|è???o¤??????A???????????????????????????PD-L1??????è???????????????????????????-|?3??????¨?o??2????é???°????è??è?o??????NSCLC??????è?????????±???¨é???·2è?·??????é?????è??????????????????±????FDA?????1??????PD-L1??????è???????????????????????????-|?3??????°?????¨?o???????è??????????????Libtayo?????cemiplimab-rwlc????2???????è????¤PD-L1è?¨è?????è????¤??????è?????(TPS)a??50%??????NSCLC???è??????????????????????????????????o?????·??|??¨?????????????2????IHCè????-??1é?????????????a??????

è?o??????????????·??§?????3??§???????-??o????é|?è|??????????è????¨??????è?o???????????-???NSCLC??????é??è??85%1,2???PD-L1è?¨è?????NSCLC???è??????o????PD-1????3???????????????????????-¤???é???o???????????¤§è???????????????-|?????'????????°è??????????????Libtayo?2?????????????NSCLC???è??????????????PD-L1??????è???????????????????????????-|?3?????????????è?·???FDA??1?????¨?o??-¤??¨é???????'é??è????-???

?????·??|è????-?????o???????-|?o????é?¨???è??Sam Rahaè?¨?¤o???a????????Libtayo??¨?????????PD-1????3??°??????-????¤§??1????§??????????è??????2?????????????é?????FDA??1????°?PD-L1??????è???????????????????????????-|?3?????????o??????NSCLC???è??Libtayo???è???2?????????'é??è????-????????·??|??????è??????-??????????????-|?????'????????????è?3??°???è????¤?-|?????????è????-???????????§è???¤?????o??????·??|??¨é??????2??????'é??è????-??????é??????????¨???é??è????°??????a??

????????????Regeneron??????è??è?oè?2???Sanofi?????±???????????oLibtayo???????????·??|?±???????????????¨??3é??EMPOWER-Lung 1??'?o?è??éa???-?????¨PD-L1??????è???????????????????????????-|?3????è????·???è?????PD-L1è?¨è??3???

Libtayo?-?PD-1??????????3???o??????NSCLC???è?????????o???°????2????é?????????-¤??????IVA-IVB??????è?????60??a??????????-??????????0%a??10%2???

Libtayo???????§???¨?oo?o???????é???????????é?????T???è??????????????????????1??????PD-1?????????è????????Libtayoé??è?????PD-1????????????é????-??????è???????¨PD-1é??è·???????è????????T???è???'????3???

???è???????????

1.Lung and Bronchus Cancer a?? Cancer Stat Facts. //seer.cancer.gov/statfacts/html/lungb.html (accessed Nov 24, 2020).
Lung and Bronchus Cancer a?? Cancer Stat Facts. //seer.cancer.gov/statfacts/html/lungb.html???2020?1'11???24???è??é????????

2.a??Nona??Small Cell Lung Cancer: Epidemiology, Screening, Diagnosis, and Treatment.a?? //www.mayoclinicproceedings.org/article/S0025-6196(19)30070-9/fulltext (accessed Nov 24 2020).
Epidemiology, Screening, Diagnosis, and Treatment.a??
//www.mayoclinicproceedings.org/article/S0025-6196(19)30070-9/fulltext???2020?1'11???24???è??é????????

3.Libtayo [package insert].Tarrytown, NY: Regeneron Pharmaceuticals Inc.; 2021.