In the inaugural issue of the journal
Nature Aging a research team led by aging expert Linda P. Fried, MD, MPH, dean of Columbia University Mailman School of Public Health, synthesizes converging evidence that the aging-related pathophysiology underpinning the clinical presentation of phenotypic frailty (termed as physical frailty here) is a state of lower functioning due to severe dysregulation of the complex dynamics in our bodies that maintains health and resilience. When severity passes a threshold, the clinical syndrome and its phenotype are diagnosable. This paper summarizes the evidence meeting criteria for physical frailty as a product of complex system dysregulation. This clinical syndrome is distinct from the cumulative-deficit-based frailty index of multimorbiditys. The paper is published online here.
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The results of a large, retrospective study of patients who received a form of immunotherapy for non-small cell lung cancer (NSCLC) revealed that patients may get more than one immune-related side effect, and identified a correlation between these multisystem immune-related adverse events (irAEs) and improved patient survival. In fact, patients who developed two irAEs did better, in terms of delaying the time to cancer progression and overall survival, than those who developed only one irAE. According to the researchers, this new information will be helpful in discussing with patients the spectrum of immune side effects that may occur from immunotherapy and the implications for their survival.
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