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Sarcopenia's Prognostic Impact on Patients Treated with Immune Checkpoint Inhibitors: A Systematic Review and Meta-Analysis

 Donggun Lee  ;  Na Won Kim  ;  Jong Yeob Kim  ;  Joo Hyung Lee  ;  Ji Hyun Noh  ;  Haejun Lee  ;  Jin Woon Jeong  ;  Seungeun Lee  ;  Jeonghyun Kang 
 JOURNAL OF CLINICAL MEDICINE, Vol.10(22) : 5329, 2021-11 
Journal Title
Issue Date
hazard ratio ; immune checkpoint inhibitors ; overall survival ; progression-free survival ; sarcopenia
Background: Although sarcopenia has been reported to predict survival in cancer patients, its impact on patients who received immune checkpoint inhibitors (ICIs) has not been thoroughly investigated. This systematic review aimed to assess the long-term oncologic impact of sarcopenia on patients who received ICIs.

Methods: A systematic review of studies indexed in the PubMed, Embase, and Cochrane databases, up to April 1, 2021, was conducted. Studies that reported hazard ratios (HRs) for overall survival (OS) and progression-free survival (PFS) based on sarcopenia in patients treated with ICIs were included. The inverse variance method was used with a random-effects model for data analysis.

Results: A total of 1284 patients from 14 studies were included. Among the patients who received ICIs, patients with sarcopenia had a significant increase in overall mortality compared to patients without sarcopenia in univariate analyses (HR = 1.66, 95% CI = 1.20-2.29, p = 0.002) and in adjusted HRs (HR = 1.55, 95% CI = 1.15-2.10, p = 0.004). The same results were obtained for PFS by both univariate analysis (HR = 1.75, 95% CI = 1.37-2.23, p < 0.001) and adjusted HRs (HR = 1.63, 95% CI 1.28-2.09, p < 0.001).

Conclusions: Sarcopenia appears to be an effective biomarker for predicting long-term oncologic outcomes in patients receiving ICI therapy and hence plays an important role when making treatment decisions. However, the fundamental role of this association with survival should be further investigated in large cohorts and clinical trials.
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1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Jeonghyun(강정현) ORCID logo https://orcid.org/0000-0001-7311-6053
Noh, Ji Hyun(노지현)
Lee, Joo Hyung(이주형)
Lee, Haejun(이해준)
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