Current corticosteroid therapeutic strategy for community-acquired pneumonia in adults: indications, dosage, and timing

Abstract Despite advances in treatment and the expansion of standard care, pneumonia remains a major cause of mortality. It frequently leads to complications such as septic shock and acute respiratory distress syndrome (ARDS), both of which carry high fatality rates. Although antimicrobial therapy i...

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Main Author: Seitaro Fujishima
Format: Article
Language:English
Published: BMC 2025-07-01
Series:Journal of Intensive Care
Subjects:
Online Access:https://doi.org/10.1186/s40560-025-00809-8
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author Seitaro Fujishima
author_facet Seitaro Fujishima
author_sort Seitaro Fujishima
collection DOAJ
description Abstract Despite advances in treatment and the expansion of standard care, pneumonia remains a major cause of mortality. It frequently leads to complications such as septic shock and acute respiratory distress syndrome (ARDS), both of which carry high fatality rates. Although antimicrobial therapy is the cornerstone of treatment, additional supportive care and adjunctive therapies, such as corticosteroids, are often required, especially in severe community-acquired pneumonia (CAP). Recent updates to major guidelines on CAP, sepsis, ARDS, and critical illness-related corticosteroid insufficiency generally support corticosteroid use in severe CAP. However, the REMAP-CAP randomized controlled trial, published in 2025, failed to demonstrate significant benefit, potentially influencing future recommendations. Currently, corticosteroid therapy should be individualized based on CAP severity, particularly the degree of hypoxemia and respiratory failure. In eligible patients, early initiation and flexible duration of corticosteroid use based on clinical response may be appropriate. For nonbacterial pneumonia, strong evidence supporting corticosteroid use exists only for COVID-19 and Pneumocystis jirovecii pneumonia in HIV-infected individuals. Conversely, observational data do not support corticosteroid use for influenza or fungal infections. In CAP complicated by septic shock or ARDS, corticosteroid use is endorsed by recent guidelines; however, the recommended timing, dosage, and duration vary. Although combination therapy with hydrocortisone and fludrocortisone is a potential option, further direct evidence is needed. Biomarkers such as C-reactive protein and, in the near future, insights into corticosteroid-related immune repair mechanisms in COVID-19 may aid in identifying corticosteroid-responsive phenotypes.
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spelling doaj-art-90344563c2a0422e9c38f562ce7e5d222025-08-20T04:01:26ZengBMCJournal of Intensive Care2052-04922025-07-0113111010.1186/s40560-025-00809-8Current corticosteroid therapeutic strategy for community-acquired pneumonia in adults: indications, dosage, and timingSeitaro Fujishima0Center for Preventive Medicine, Keio University School of MedicineAbstract Despite advances in treatment and the expansion of standard care, pneumonia remains a major cause of mortality. It frequently leads to complications such as septic shock and acute respiratory distress syndrome (ARDS), both of which carry high fatality rates. Although antimicrobial therapy is the cornerstone of treatment, additional supportive care and adjunctive therapies, such as corticosteroids, are often required, especially in severe community-acquired pneumonia (CAP). Recent updates to major guidelines on CAP, sepsis, ARDS, and critical illness-related corticosteroid insufficiency generally support corticosteroid use in severe CAP. However, the REMAP-CAP randomized controlled trial, published in 2025, failed to demonstrate significant benefit, potentially influencing future recommendations. Currently, corticosteroid therapy should be individualized based on CAP severity, particularly the degree of hypoxemia and respiratory failure. In eligible patients, early initiation and flexible duration of corticosteroid use based on clinical response may be appropriate. For nonbacterial pneumonia, strong evidence supporting corticosteroid use exists only for COVID-19 and Pneumocystis jirovecii pneumonia in HIV-infected individuals. Conversely, observational data do not support corticosteroid use for influenza or fungal infections. In CAP complicated by septic shock or ARDS, corticosteroid use is endorsed by recent guidelines; however, the recommended timing, dosage, and duration vary. Although combination therapy with hydrocortisone and fludrocortisone is a potential option, further direct evidence is needed. Biomarkers such as C-reactive protein and, in the near future, insights into corticosteroid-related immune repair mechanisms in COVID-19 may aid in identifying corticosteroid-responsive phenotypes.https://doi.org/10.1186/s40560-025-00809-8Community-acquired pneumoniaGuidelinesCOVID-19GlucocorticoidsMineralocorticoidsDexamethasone
spellingShingle Seitaro Fujishima
Current corticosteroid therapeutic strategy for community-acquired pneumonia in adults: indications, dosage, and timing
Journal of Intensive Care
Community-acquired pneumonia
Guidelines
COVID-19
Glucocorticoids
Mineralocorticoids
Dexamethasone
title Current corticosteroid therapeutic strategy for community-acquired pneumonia in adults: indications, dosage, and timing
title_full Current corticosteroid therapeutic strategy for community-acquired pneumonia in adults: indications, dosage, and timing
title_fullStr Current corticosteroid therapeutic strategy for community-acquired pneumonia in adults: indications, dosage, and timing
title_full_unstemmed Current corticosteroid therapeutic strategy for community-acquired pneumonia in adults: indications, dosage, and timing
title_short Current corticosteroid therapeutic strategy for community-acquired pneumonia in adults: indications, dosage, and timing
title_sort current corticosteroid therapeutic strategy for community acquired pneumonia in adults indications dosage and timing
topic Community-acquired pneumonia
Guidelines
COVID-19
Glucocorticoids
Mineralocorticoids
Dexamethasone
url https://doi.org/10.1186/s40560-025-00809-8
work_keys_str_mv AT seitarofujishima currentcorticosteroidtherapeuticstrategyforcommunityacquiredpneumoniainadultsindicationsdosageandtiming