Understanding the Host in the Management of Pneumonia. An Official American Thoracic Society Workshop Report.

Dela Cruz CS, Evans SE, Restrepo MI, Dean N, Torres A, Amara-Elori I, Awasthi S, Caler E, Cao B, Chalmers JD, Chastre J, Cohen TS, Cohen AH, Crothers K, Di YP, Egan ME, Feldman C, Gautam S, Halstead ES, Herold S, Jones BE, Luna C, Niederman MS, Mendez R, Menendez R, Mizgerd JP, Nusrat R, Ramirez J, Shindo Y, Waterer G, Yeligar SM, Wunderink RG. Understanding the Host in the Management of Pneumonia. An Official American Thoracic Society Workshop Report. Annals of the American Thoracic Society. 2021 Jul 1; 18(7):1087-1097.

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Abstract:

Pneumonia causes a significant burden of disease worldwide. Although all populations are at risk of pneumonia, those at extremes of age and those with immunosuppressive disorders, underlying respiratory disease, and critical illness are particularly vulnerable. Although clinical practice guidelines addressing the management and treatment of pneumonia exist, few of the supporting studies focus on the crucial contributions of the host in pneumonia pathogenesis and recovery. Such essential considerations include the host risk factors that lead to susceptibility to lung infections; biomarkers reflecting the host response and the means to pursue host-directed pneumonia therapy; systemic effects of pneumonia on the host; and long-term health outcomes after pneumonia. To address these gaps, the Pneumonia Working Group of the Assembly on Pulmonary Infection and Tuberculosis led a workshop held at the American Thoracic Society meeting in May 2018 with overarching objectives to foster attention, stimulate research, and promote funding for short-term and long-term investigations into the host contributions to pneumonia. The workshop involved participants from various disciplines with expertise in lung infection, pneumonia, sepsis, immunocompromised patients, translational biology, data science, genomics, systems biology, and clinical trials. This workshop report summarizes the presentations and discussions and important recommendations for future clinical pneumonia studies. These recommendations include establishing consensus disease and outcome definitions, improved phenotyping, development of clinical study networks, standardized data and biospecimen collection and protocols, and development of innovative trial designs.