Drug Response of Patient-Derived Lung Cancer Cells Predicts Clinical Outcomes of Targeted Therapy

Intratumor heterogeneity leads to different responses to targeted therapies, even within patients whose tumors harbor identical driver oncogenes. This study examined clinical outcomes according to a patient-derived cell (PDC)-based drug sensitivity test in lung cancer patients treated with targeted...

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Main Authors: Sunshin Kim, Youngjoo Lee, Bo Ram Song, Hanna Sim, Eun Hye Kang, Mihwa Hwang, Namhee Yu, Sehwa Hong, Charny Park, Beung-Chul Ahn, Eun Jin Lim, Kum Hui Hwang, Seog-Yun Park, Jin-Ho Choi, Geon Kook Lee, Ji-Youn Han
Format: Article
Language:English
Published: MDPI AG 2024-02-01
Series:Cancers
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Online Access:https://www.mdpi.com/2072-6694/16/4/778
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author Sunshin Kim
Youngjoo Lee
Bo Ram Song
Hanna Sim
Eun Hye Kang
Mihwa Hwang
Namhee Yu
Sehwa Hong
Charny Park
Beung-Chul Ahn
Eun Jin Lim
Kum Hui Hwang
Seog-Yun Park
Jin-Ho Choi
Geon Kook Lee
Ji-Youn Han
author_facet Sunshin Kim
Youngjoo Lee
Bo Ram Song
Hanna Sim
Eun Hye Kang
Mihwa Hwang
Namhee Yu
Sehwa Hong
Charny Park
Beung-Chul Ahn
Eun Jin Lim
Kum Hui Hwang
Seog-Yun Park
Jin-Ho Choi
Geon Kook Lee
Ji-Youn Han
author_sort Sunshin Kim
collection DOAJ
description Intratumor heterogeneity leads to different responses to targeted therapies, even within patients whose tumors harbor identical driver oncogenes. This study examined clinical outcomes according to a patient-derived cell (PDC)-based drug sensitivity test in lung cancer patients treated with targeted therapies. From 487 lung cancers, 397 PDCs were established with a success rate of 82%. In 139 PDCs from advanced non-small-cell lung cancer (NSCLC) patients receiving targeted therapies, the standardized area under the curve (AUC) values for the drugs was significantly correlated with their tumor response (<i>p</i> = 0.002). Among 59 chemo-naive EGFR/ALK-positive NSCLC patients, the PDC non-responders showed a significantly inferior response rate (RR) and progression-free survival (PFS) for the targeted drugs than the PDC responders (RR, 25% vs. 78%, <i>p</i> = 0.011; median PFS, 3.4 months [95% confidence interval (CI), 2.8–4.1] vs. 11.8 months [95% CI, 6.5–17.0], <i>p</i> < 0.001). Of 25 EGFR-positive NSCLC patients re-challenged with EGFR inhibitors, the PDC responder showed a higher RR than the PDC non-responder (42% vs. 15%). Four patients with wild-type EGFR or uncommon EGFR-mutant NSCLC were treated with EGFR inhibitors based on their favorable PDC response to EGFR inhibitors, and two patients showed dramatic responses. Therefore, the PDC-based drug sensitivity test results were significantly associated with clinical outcomes in patients with EGFR- or ALK-positive NSCLC. It may be helpful for predicting individual heterogenous clinical outcomes beyond genomic alterations.
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spelling doaj.art-ea6cb74c71e5412a906641852b87c93a2024-02-23T15:11:12ZengMDPI AGCancers2072-66942024-02-0116477810.3390/cancers16040778Drug Response of Patient-Derived Lung Cancer Cells Predicts Clinical Outcomes of Targeted TherapySunshin Kim0Youngjoo Lee1Bo Ram Song2Hanna Sim3Eun Hye Kang4Mihwa Hwang5Namhee Yu6Sehwa Hong7Charny Park8Beung-Chul Ahn9Eun Jin Lim10Kum Hui Hwang11Seog-Yun Park12Jin-Ho Choi13Geon Kook Lee14Ji-Youn Han15Research Institute, National Cancer Center, Goyang 10408, Republic of KoreaResearch Institute, National Cancer Center, Goyang 10408, Republic of KoreaResearch Institute, National Cancer Center, Goyang 10408, Republic of KoreaResearch Institute, National Cancer Center, Goyang 10408, Republic of KoreaResearch Institute, National Cancer Center, Goyang 10408, Republic of KoreaResearch Institute, National Cancer Center, Goyang 10408, Republic of KoreaResearch Institute, National Cancer Center, Goyang 10408, Republic of KoreaResearch Institute, National Cancer Center, Goyang 10408, Republic of KoreaResearch Institute, National Cancer Center, Goyang 10408, Republic of KoreaCenter for Lung Cancer, National Cancer Center, Goyang 10408, Republic of KoreaCenter for Lung Cancer, National Cancer Center, Goyang 10408, Republic of KoreaCenter for Lung Cancer, National Cancer Center, Goyang 10408, Republic of KoreaDepartment of Pathology, National Cancer Center, Goyang 10408, Republic of KoreaCenter for Lung Cancer, National Cancer Center, Goyang 10408, Republic of KoreaDepartment of Pathology, National Cancer Center, Goyang 10408, Republic of KoreaResearch Institute, National Cancer Center, Goyang 10408, Republic of KoreaIntratumor heterogeneity leads to different responses to targeted therapies, even within patients whose tumors harbor identical driver oncogenes. This study examined clinical outcomes according to a patient-derived cell (PDC)-based drug sensitivity test in lung cancer patients treated with targeted therapies. From 487 lung cancers, 397 PDCs were established with a success rate of 82%. In 139 PDCs from advanced non-small-cell lung cancer (NSCLC) patients receiving targeted therapies, the standardized area under the curve (AUC) values for the drugs was significantly correlated with their tumor response (<i>p</i> = 0.002). Among 59 chemo-naive EGFR/ALK-positive NSCLC patients, the PDC non-responders showed a significantly inferior response rate (RR) and progression-free survival (PFS) for the targeted drugs than the PDC responders (RR, 25% vs. 78%, <i>p</i> = 0.011; median PFS, 3.4 months [95% confidence interval (CI), 2.8–4.1] vs. 11.8 months [95% CI, 6.5–17.0], <i>p</i> < 0.001). Of 25 EGFR-positive NSCLC patients re-challenged with EGFR inhibitors, the PDC responder showed a higher RR than the PDC non-responder (42% vs. 15%). Four patients with wild-type EGFR or uncommon EGFR-mutant NSCLC were treated with EGFR inhibitors based on their favorable PDC response to EGFR inhibitors, and two patients showed dramatic responses. Therefore, the PDC-based drug sensitivity test results were significantly associated with clinical outcomes in patients with EGFR- or ALK-positive NSCLC. It may be helpful for predicting individual heterogenous clinical outcomes beyond genomic alterations.https://www.mdpi.com/2072-6694/16/4/778patient-derived celltargeted therapyEGFR mutationALK fusionlung cancerpredictive marker
spellingShingle Sunshin Kim
Youngjoo Lee
Bo Ram Song
Hanna Sim
Eun Hye Kang
Mihwa Hwang
Namhee Yu
Sehwa Hong
Charny Park
Beung-Chul Ahn
Eun Jin Lim
Kum Hui Hwang
Seog-Yun Park
Jin-Ho Choi
Geon Kook Lee
Ji-Youn Han
Drug Response of Patient-Derived Lung Cancer Cells Predicts Clinical Outcomes of Targeted Therapy
Cancers
patient-derived cell
targeted therapy
EGFR mutation
ALK fusion
lung cancer
predictive marker
title Drug Response of Patient-Derived Lung Cancer Cells Predicts Clinical Outcomes of Targeted Therapy
title_full Drug Response of Patient-Derived Lung Cancer Cells Predicts Clinical Outcomes of Targeted Therapy
title_fullStr Drug Response of Patient-Derived Lung Cancer Cells Predicts Clinical Outcomes of Targeted Therapy
title_full_unstemmed Drug Response of Patient-Derived Lung Cancer Cells Predicts Clinical Outcomes of Targeted Therapy
title_short Drug Response of Patient-Derived Lung Cancer Cells Predicts Clinical Outcomes of Targeted Therapy
title_sort drug response of patient derived lung cancer cells predicts clinical outcomes of targeted therapy
topic patient-derived cell
targeted therapy
EGFR mutation
ALK fusion
lung cancer
predictive marker
url https://www.mdpi.com/2072-6694/16/4/778
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