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Title: | Immune Checkpoint Inhibition With Chemoradiotherapy in Stage III Non-small-cell Lung Cancer: A Systematic Review and Meta-analysis of Safety Results. | Austin Authors: | Balasubramanian, Adithya ;Onggo, James;Gunjur, Ashray ;John, Thomas ;Parakh, Sagun | Affiliation: | School of Cancer Medicine, La Trobe University, Melbourne, Victoria, Australia Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia Medical Oncology Olivia Newton-John Cancer Research Institute Department of Medical Oncology, Monash Health, Melbourne, Victoria, Australia Department of Surgery, Eastern Health, Melbourne, Victoria, Australia |
Issue Date: | 2021 | Date: | 2020-11-12 | Publication information: | Clinical lung cancer 2021; 22(2): 74-82 | Abstract: | The role of immune checkpoint inhibitors (ICIs) administered concurrently with or after definitive chemoradiation (CRT) in stage III non-small-cell lung cancer (NSCLC) has been detailed in several studies. We performed a systematic review to determine pneumonitis rates using ICIs with CRT. MEDLINE and EMBASE databases were searched using keywords and MeSH terms. Studies using anti-programmed cell death protein 1 (PD-1) or anti-programmed death-ligand 1 (PD-L1) therapy, either sequentially or concurrently with CRT, for patients with stage III NSCLC were included. A meta-analysis of pneumonitis rates was performed based on weighted pooled proportion, using random-effects models. Weighting was performed by the inverse variance or standard error of event rates. Comparative analysis between groups was performed. Odds ratios (OR) were used as the primary summary statistics. A total of 13 studies were identified (6 prospective clinical trials and 7 real-world reports). Rates of grade ≥ 3 pneumonitis were significantly higher in clinical trials using anti-PD-1 therapy compared with PD-L1 inhibitors (8.6%; 95% confidence interval [CI], 6.2%-11.9% vs. 4.4%; 95% CI, 3.0%-6.6%; OR, 2.0; P = .01). Clinical trials using concurrent ICI therapy with CRT had greater rates of grade 2 pneumonitis compared with sequential administration (23.0%; 95% CI, 15.8%-32.3% vs. 11.0%; 95% CI, 6.6%-17.8%; OR, 0.42; P = .02). Higher rates of grade ≥ 3 pneumonitis were observed in real-world studies compared with clinical trials involving sequential PD-L1 therapy (9.9%; 95% CI, 5.3%-17.9% vs. 4.4%; 95% CI, 2.9%-6.7%; OR, 0.43; P < .01). The suggestion of increased pneumonitis with a concurrent ICI strategy and using anti-PD-1 therapies warrants further consideration in future comparative studies. | URI: | https://ahro.austin.org.au/austinjspui/handle/1/25624 | DOI: | 10.1016/j.cllc.2020.10.023 | Journal: | Clinical Lung Cancer | PubMed URL: | 33414053 | Type: | Journal Article | Subjects: | Durvalumab Immunotherapy NSCLC PD-1 inhibitors PD-L1 inhibitors |
Appears in Collections: | Journal articles |
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