Impact of KRAS G12C mutation in patients with advanced non-squamous non-small cell lung cancer treated with first-line pembrolizumab monotherapy

Copyright © 2022 Elsevier B.V. All rights reserved..

OBJECTIVES: Few data are available on the impact of KRAS mutation in patients with advanced non-squamous non-small cell lung cancer (aNSCLC) treated with immunotherapy. This analysis assessed the impact of KRAS mutation on the efficiency of first-line pembrolizumab immunotherapy in aNSCLC patients with PD-L1 ≥ 50 %.

METHODS: This was a secondary analysis of the ESCKEYP study, a retrospective, national, multicenter study which included consecutively all metastatic NSCLC patients who initiated first-line treatment with pembrolizumab monotherapy from May 2017 (date of pembrolizumab availability in this indication in France) to November 22, 2019 (pembrolizumab-chemotherapy combination approval). Progression-free survival (PFS) and overall survival (OS) were calculated from the start of pembrolizumab treatment by the Kaplan-Meier method. Tumor response and PFS were assessed locally.

RESULTS: Among the 681 non-squamous aNSCLC PD-L1 ≥ 50 % patients treated with pembrolizumab in the first line, 227 (33.0 %) had a KRAS mutation (KRAS G12C, 12.5 %; KRAS non-G12C, 20.5 %). Except among non-smokers (KRAS G12C, 0 %; KRAS non-G12C, 2.9 %; no KRAS mutation, 9.2 %), patients presented no differences in terms of sex, age, number and sites of metastatic disease at diagnosis, use of corticosteroids, use of antibiotics, and for biological factors between wild-type KRAS, KRAS G12C and non-KRAS G12C groups. Median (95 % CI) PFS in months were 7.0 (3.7-14) for KRAS G12C, 4.8 (3.4-6.7) for KRAS non-G12C and 8.5 (7.3-10.6) for wild-type KRAS genotypes (p = 0.23). Median OS were 18.4 (12.6-NR), 20.6 (11.4-NR) and 27.1 (18.7-34.2) months, respectively (p = 0.57).

CONCLUSION: No difference in efficacy was observed in non-squamous aNSCLC patients treated with first-line pembrolizumab immunotherapy whether they presented a KRAS G12C, non KRAS G12C or wild-type KRAS genotype.

Medienart:

E-Artikel

Erscheinungsjahr:

2022

Erschienen:

2022

Enthalten in:

Zur Gesamtaufnahme - volume:174

Enthalten in:

Lung cancer (Amsterdam, Netherlands) - 174(2022) vom: 15. Dez., Seite 45-49

Sprache:

Englisch

Beteiligte Personen:

Justeau, Grégoire [VerfasserIn]
Huchot, Eric [VerfasserIn]
Simonneau, Yannick [VerfasserIn]
Roa, Magali [VerfasserIn]
Le Treut, Jacques [VerfasserIn]
Le Garff, Gwenaelle [VerfasserIn]
Bylicki, Olivier [VerfasserIn]
Schott, Roland [VerfasserIn]
Bravard, Anne-Sophie [VerfasserIn]
Tiercin, Marie [VerfasserIn]
Lamy, Régine [VerfasserIn]
De Chabot, Gonzague [VerfasserIn]
Marty, Adina [VerfasserIn]
Moreau, Diane [VerfasserIn]
Locher, Chrystèle [VerfasserIn]
Bernier, Cyril [VerfasserIn]
Chouaid, Christos [VerfasserIn]
Descourt, Renaud [VerfasserIn]

Links:

Volltext

Themen:

B7-H1 Antigen
EC 3.6.5.2
Journal Article
KRAS mutation
KRAS protein, human
Metastatic disease
Multicenter Study
Non-small cell lung cancer
Pembrolizumab
Proto-Oncogene Proteins p21(ras)

Anmerkungen:

Date Completed 16.12.2022

Date Revised 21.12.2022

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1016/j.lungcan.2022.10.005

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM34837030X