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September 17, 2026Translational PsychiatryOpen Access

Pre-analytical considerations in the interpretation of plasma SCFA profiles

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Authors

BDBoushra DalileKVKristin Verbeke

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Overview

Commentary reviews longitudinal plasma short-chain fatty acid alterations in social anxiety disorder, highlighting isobutyric acid differences between patients and healthy controls.

Key Points

  • To examine pre-analytical considerations and methodological strengths in the longitudinal profiling of circulating short-chain fatty acids among individuals with social anxiety disorder.
  • Appraised longitudinal findings from a study tracking plasma short-chain fatty acid profiles in individuals with social anxiety disorder undergoing internet-delivered cognitive behavioral therapy versus healthy controls.
  • Evaluated a two-baseline framework analyzed via generalized additive mixed models with participant retention exceeding 80% at 36 months.
  • Circulating isobutyric acid levels were significantly lower in patients with social anxiety disorder compared to matched healthy controls across two consecutive pre-treatment assessments.
  • Replication of lower isobutyric acid concentrations across independent baseline time points confirmed robust baseline metabolic divergence prior to behavioral intervention.

Cite This Study

Dalile et al. (2026) studied this question.

synapsesocial.com/papers/6aabb6445f706d05830e4a8ahttps://doi.org/10.1038/s41398-026-04470-z
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  4. 4Blood Fatty Acid Profile as a Predictor of Antidepressant Efficacy—A Prospective Cohort Pilot Study Protocol2026
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