Original title: Getting into the guts of eating disorders in children and adolescents, with a perspective from psychoneuroimmunology (the PSYNIGED study): an observational, longitudinal study protocol
The study will compare children and teens in their first year of an eating disorder with healthy peers. Researchers will assess eating, mental health, early experiences, gut microbes, and blood signals linked to appetite and inflammation. They will look for links among these factors, rather than test a treatment. Some patients will be assessed again after a year of treatment.
Imagine packing lunches for a group of children and trying to work out why some feel hungry sooner than others. The foods they eat, their bodies, and the tiny living things in their guts may all be connected, so changing one detail can make the cause hard to pin down. In this paper, comparing young people with a new eating disorder to healthy peers is like comparing those lunches and checking several clues about appetite and health. Looking again after a year may show how some clues change during treatment.
Children and teens newly diagnosed with an eating disorder may differ from healthy peers in gut microbes and related body signals. Mapping how these factors connect could help researchers form hypotheses for more personalized treatment, though this study does not test whether a treatment works.
This is a study protocol, so the abstract reports no findings. Its planned comparisons can identify associations but do not establish what causes an eating disorder or whether gut microbes cause changes in symptoms. The follow-up after a year is only for patients willing to return, and the abstract does not state how many will do so.
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Getting into the guts of eating disorders in children and adolescents, with a perspective from psychoneuroimmunology (the PSYNIGED study): an observational, longitudinal study protocol — Esther Nova, Mar Faya Barrios, A. Muñoz Domenjó et al. — BMC Nutrition — doi:10.1186/s40795-026-01505-y
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.