TY - JOUR
T1 - Neoadjuvant immune checkpoint inhibitors in resectable non-small-cell lung cancer: a systematic review
T2 - a systematic review
AU - Ulas, E.B.
AU - Dickhoff, C.
AU - Schneiders, F.L.
AU - Senan, S.
AU - Bahce, I.
N1 - Funding Information: SS reports grants and personal fees from AstraZeneca; personal fees from MSD, BeiGene, and Celgene; grants and nonfinancial support from Varian Medical Systems; and grants from ViewRay Inc. IB reports grants from BMS and AstraZeneca. All other authors have declared no conflicts of interest. Publisher Copyright: © 2021 The Author(s)
PY - 2021/8/31
Y1 - 2021/8/31
N2 - Background: The neoadjuvant use of immune checkpoint inhibitors (ICIs) in resectable non-small-cell lung cancer (NSCLC) is currently an area of active ongoing research. The place of neoadjuvant ICIs in the treatment guidelines needs to be determined. We carried out a systematic review of published data on neoadjuvant ICIs in resectable NSCLC to study its efficacy and safety. Patients and methods: A literature search was carried out using the MEDLINE (PubMed) and Embase databases to retrieve articles and conference abstracts of clinical trials measuring the efficacy [major pathological response (MPR) and pathological complete response (pCR)] and safety (failure to undergo resection, surgical delay, treatment-related adverse events (trAEs) grade ≥3) of neoadjuvant immunotherapy in resectable NSCLC until July 2021. Results: Nineteen studies with a total of 1066 patients were included in this systematic review. Neoadjuvant immunotherapy was associated with improved pathological response rates, especially in combination with chemotherapy. Using mono ICI, dual therapy–ICI, chemoradiation–ICI, radiotherapy–ICI, and chemo–ICI, the MPR rates were 0%-45%, 50%, 73%, 53%, and 27%-86%, respectively. Regarding pCR, the rates were 7%-16%, 33%-38%, 27%, 27%, and 9%-63%, respectively. Safety endpoints using monotherapy–ICI, dual therapy–ICI, chemoradiation–ICI, radiotherapy–ICI, and chemo–ICI showed a failure to undergo resection in 0%-17%, 19%-33%, 8%, 13%, and 0%-46%, respectively. The trAEs grade ≥3 rates were 0%-20%, 10%-33%, 7%, 23%, and 0%-67%, respectively. Conclusion: In patients with resectable NSCLC stage, neoadjuvant immunotherapy can improve pathological response rates with acceptable toxicity. Further research is needed to identify patients who may benefit most from this approach, and adequately powered trials to establish clinically meaningful benefits are awaited.
AB - Background: The neoadjuvant use of immune checkpoint inhibitors (ICIs) in resectable non-small-cell lung cancer (NSCLC) is currently an area of active ongoing research. The place of neoadjuvant ICIs in the treatment guidelines needs to be determined. We carried out a systematic review of published data on neoadjuvant ICIs in resectable NSCLC to study its efficacy and safety. Patients and methods: A literature search was carried out using the MEDLINE (PubMed) and Embase databases to retrieve articles and conference abstracts of clinical trials measuring the efficacy [major pathological response (MPR) and pathological complete response (pCR)] and safety (failure to undergo resection, surgical delay, treatment-related adverse events (trAEs) grade ≥3) of neoadjuvant immunotherapy in resectable NSCLC until July 2021. Results: Nineteen studies with a total of 1066 patients were included in this systematic review. Neoadjuvant immunotherapy was associated with improved pathological response rates, especially in combination with chemotherapy. Using mono ICI, dual therapy–ICI, chemoradiation–ICI, radiotherapy–ICI, and chemo–ICI, the MPR rates were 0%-45%, 50%, 73%, 53%, and 27%-86%, respectively. Regarding pCR, the rates were 7%-16%, 33%-38%, 27%, 27%, and 9%-63%, respectively. Safety endpoints using monotherapy–ICI, dual therapy–ICI, chemoradiation–ICI, radiotherapy–ICI, and chemo–ICI showed a failure to undergo resection in 0%-17%, 19%-33%, 8%, 13%, and 0%-46%, respectively. The trAEs grade ≥3 rates were 0%-20%, 10%-33%, 7%, 23%, and 0%-67%, respectively. Conclusion: In patients with resectable NSCLC stage, neoadjuvant immunotherapy can improve pathological response rates with acceptable toxicity. Further research is needed to identify patients who may benefit most from this approach, and adequately powered trials to establish clinically meaningful benefits are awaited.
KW - Immune checkpoint inhibitors
KW - Immunotherapy
KW - Lung resection
KW - Neoadjuvant
KW - Non-small-cell lung cancer
UR - http://www.scopus.com/inward/record.url?scp=85115776415&partnerID=8YFLogxK
U2 - https://doi.org/10.1016/j.esmoop.2021.100244
DO - https://doi.org/10.1016/j.esmoop.2021.100244
M3 - Review article
C2 - 34479033
SN - 2059-7029
VL - 6
JO - ESMO open
JF - ESMO open
IS - 5
M1 - 100244
ER -