Observational studyArquivos de gastroenterologia2026
IS THERE A RELATIONSHIP BETWEEN INTESTINAL FRUCTOSE MALABSORPTION, GASTROINTESTINAL SYMPTOMS AFTER FRUCTOSE OVERLOAD, AND BODY ADIPOSITY IN ADOLESCENTS?
Observational study in Arquivos de gastroenterologia, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundOver the past several decades, dietary fructose intake has increased significantly, along with the prevalence of obesity. Fructose malabsorption is associated with gastrointestinal symptoms and may lead to fructose intolerance. Evidence suggests a probable association between intestinal fructose malabsorption and increased body adiposity.
objectiveTo analyze the prevalence of intestinal fructose malabsorption and intolerance in asymptomatic adolescents and to investigate their relationship with fructose intake, body adiposity, systemic metabolic indicators, and intestinal permeability.
methodsThis cross-sectional observational study included 37 adolescents without gastrointestinal symptoms. Fructose malabsorption was investigated using the hydrogen breath test along with the lactulose breath test. Food intake was evaluated using a habitual food survey. Nutritional status was assessed by measuring weight, height, skin folds, abdominal circumference, and via Bioelectrical Impedance Analysis (BIA). Systemic metabolic indicators and serum zonulin levels were also evaluated to determine intestinal permeability.
resultsOf the 37 adolescents tested 16 (43.2%) exhibited fructose malabsorption. Gastrointestinal symptoms compatible with fructose intolerance were reported by 8 (50.0%) of the 16 adolescents with fructose malabsorption, and by 5 (23.8%) of the 21 adolescents without fructose malabsorption (P=0.095). Fructose intake among adolescents with and without fructose malabsorption was 7.5 and 7.9 g/day, respectively (P=0.807). Body adiposity was comparable across groups in both females (34.2% and 33.2%; P=0.738) and males (21.0% and 22.2%; P=0.731). Metabolic indicators and zonulin levels were similar, except for urea, which was significantly higher in the malabsorption group (31.7±6.3 mg/dL) compared to those without fructose malabsorption (24.5±÷7.8 md/dL; P=0.012).
conclusionIntestinal fructose malabsorption is common in asymptomatic adolescents and is not associated with adiposity, biochemical changes, or increased intestinal permeability. However, it correlates with elevated fermentation in the lactulose breath test. Fructose intolerance is linked to presence gastrointestinal symptoms following lactulose ingestion.
Indexed as
Identifiers
What Socratic holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.