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Publication-only abstracts (abstract number preceded by an "e"), published in conjunction with the 2019 ASCO Annual Meeting but not presented at the Meeting, can be found online only.

The impact of steroid use on efficacy of immunotherapy among patients with lung cancer who have developed immune-related adverse events.

Sub-category:
Metastatic Non-Small Cell Lung Cancer

Category:
Lung Cancer—Non-Small Cell Metastatic

Meeting:
2019 ASCO Annual Meeting

Abstract No:
e20583

Citation:
J Clin Oncol 37, 2019 (suppl; abstr e20583)

Author(s): Kazushige Wakuda, Taichi Miyawaki, Eriko Miyawaki, Nobuaki Mamesaya, Takahisa Kawamura, Haruki Kobayashi, Shota Omori, Kazuhisa Nakashima, Akira Ono, Hirotsugu Kenmotsu, Tateaki Naito, Haruyasu Murakami, Keita Mori, Masahiro Endo, Toshiaki Takahashi; Division of Thoracic Oncology, Shizuoka Cancer Center, Shizuoka, Japan; Shizuoka Cancer Center, Sunto-Gun, Shizuoka Prefecture, Japan; Clinical Trial Coordination Office, Shizuoka Cancer Center, Shizuoka, Japan; Division of Diagnostic Radiology, Shizuoka Cancer Center, Shizuoka, Japan

Abstract Disclosures

Abstract:

Background: Systemic steroids use before starting immune checkpoint inhibitors (ICI) has negative impacts on survival. The aim of this study was to evaluate whether steroid against immune-related adverse events (irAE) reduces efficacy in patients with non-small cell lung cancer (NSCLC). Methods: We retrospectively reviewed patients who had advanced NSCLC and undergone ICI therapy between December 2015 and June 2018. Patients whose irAE was treated with ≥ 10mg/day of predonisone were classified into steroid group (S), otherwise into non-steroid group (N). Results: A total of 257 patients (pts) were treated with ICI and irAEs was observed in 103 pts (40%). Twenty-eight pts were S-group and 75 patients were N-group. There was no significant difference in age, sex, stage, performance status, histology, smoking status, gene alteration, expression of PD-L1, or treatment line between the groups. Main irAEs included pneumonitis (43% in S-group / 12% in N-group), diarrhea or colitis (25% / 9%), rash (21% / 20%), and hypothyroidism (14% / 37%). Grade 2 or higher irAEs were pneumonitis in 39% / 0%, diarrhea or colitis in 21% / 5%, hypothyroidism in 7% / 19%. Among S-group, steroids were used for pneumonitis in 11 pts, diarrhea or colitis in 7 pts, stomatitis in 2 pts, and rash in 2 pts. There was no significant difference in overall survival (median; 14.5 vs 30.0 months, P = 0.30, Hazard ratio, 0.69), progression-free survival (median; 7.8 vs 9.6 months, p = 0.11, Hazard ration, 0.65), and objective response rate (46% vs 41%, p = 0.64), respectively. Conclusions: Systemic steroid was mainly used in pts with ≥Gr2 pneumonitis or colitis. This study indicated that steroids use did not reduce efficacy of ICI. Thus, steroid should not be avoided in patients with moderate to severe irAEs with concern over reducing efficacy.

 
Other Abstracts in this Sub-Category:

 

1. Association of STK11/LKB1 genomic alterations with lack of benefit from the addition of pembrolizumab to platinum doublet chemotherapy in non-squamous non-small cell lung cancer.

Meeting: 2019 ASCO Annual Meeting Abstract No: 102 First Author: Ferdinandos Skoulidis
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer

 

2. Real-world outcomes of patients with advanced non-small cell lung cancer (aNSCLC) and autoimmune disease (AD) receiving immune checkpoint inhibitors (ICIs).

Meeting: 2019 ASCO Annual Meeting Abstract No: 110 First Author: Sean Khozin
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer

 

3. RELAY: A multinational, double-blind, randomized Phase 3 study of erlotinib (ERL) in combination with ramucirumab (RAM) or placebo (PL) in previously untreated patients with epidermal growth factor receptor mutation-positive (EGFRm) metastatic non-small cell lung cancer (NSCLC).

Meeting: 2019 ASCO Annual Meeting Abstract No: 9000 First Author: Kazuhiko Nakagawa
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer

 

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