Phenotype, subphenotype, and endotype in sepsis and ARDS: a new layer of heterogeneity? - Takeaways - MDSpire

Phenotype, subphenotype, and endotype in sepsis and ARDS: a new layer of heterogeneity?

  • By

  • Liyuan Zhao

  • Cuixia Zhao

  • Minmin Wang

  • Wei Huang

  • April 10, 2026

  • 0 min

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  • 1

    Sepsis and ARDS exhibit profound biological heterogeneity, complicating therapeutic advancements despite decades of syndromic definitions.

  • 2

    Current subtyping efforts risk adding complexity without resolving the underlying heterogeneity of sepsis and ARDS.

  • 3

    Disparate analytical approaches yield incomplete concordance across subtypes, questioning the validity of current classifications.

  • 4

    Subtyping has primarily revealed hidden treatment effects in negative trials, but lacks prospective validation for clinical application.

  • 5

    The pursuit of subtypes may misrepresent sepsis and ARDS as distinct diseases, necessitating a shift towards causal investigation.

Original Source(s)

Phenotype, subphenotype, and endotype in sepsis and ARDS: a new layer of heterogeneity?

  • by Liyuan Zhao, Cuixia Zhao, Minmin Wang, Wei Huang

  • April 10, 2026

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