A

Machine learning identifies microbiome and clinical predictors of sustained weight loss following prolonged fasting

Genome Medicine, vol. 18

Abstract

BACKGROUND: Prolonged fasting may improve metabolic health, but controlled data in healthy adults with longer follow-up and multi-omics profiling are limited. We investigated the immediate and 12-week follow-up effects of a 5-day fasting intervention on body composition, gut microbiome, and circulating and fecal metabolites, and assessed whether baseline characteristics predict individual weight-loss response. METHODS: In a randomized, waitlist-controlled trial, 38 healthy adults completed a 5-day fasting intervention with 12-week follow-up (LEANER study). Outcomes included body mass index and body composition, gut microbiome composition, and plasma and fecal metabolites. Changes over time and between groups were evaluated using regression-based models and paired non-parametric tests, as appropriate. Additionally, permutation-based multivariate testing was performed on microbiome and metabolome data. Twelve-week body weight response was predicted using data-driven machine learning with cross-validation, followed by external validation in three independent cohorts undergoing prolonged fasting protocols. RESULTS: Fasting reduced body mass index acutely, predominantly driven by loss of fat mass, and these improvements partially persisted at 12 weeks. Fasting induced marked shifts in gut microbiome composition and in plasma and fecal metabolites. Post-fasting and longer-term changes in microbial diversity were associated with baseline microbiome diversity. A model combining baseline microbiome and clinical variables predicted body mass index response at 12 weeks; prominent predictors included an unclassified Faecalibacterium species, Oscillibacter sp. 50_27, low-density lipoprotein cholesterol, and systolic blood pressure. The model generalized to three independent cohorts, including individuals with metabolic syndrome, patients with multiple sclerosis exposed to repeated fasting, and healthy volunteers fasting for 6-12 days. CONCLUSIONS: In healthy adults, a 5-day prolonged fasting intervention produces robust short-term metabolic changes with partial persistence and consistent remodeling of the gut microbiome and metabolite profiles. Baseline microbiome and clinical characteristics can help stratify expected longer-term responses, supporting the development of individualized fasting-based interventions. TRIAL REGISTRATION: ClinicalTrials.gov, NCT04452916. Prospectively registered on June 29, 2020.

Authors 27

  1. Max Delbrück Center · Humboldt-Universität zu Berlin · German Centre for Cardiovascular Research · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  2. University of Oslo · Max Delbrück Center · Humboldt-Universität zu Berlin · German Centre for Cardiovascular Research · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, Oslo, Norway

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  3. Max Delbrück Center · Humboldt-Universität zu Berlin · German Centre for Cardiovascular Research · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  4. Max Delbrück Center · Humboldt-Universität zu Berlin · German Centre for Cardiovascular Research · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  5. University of Regensburg

    Affiliation as printed

    Institute of Functional Genomics, University of Regensburg, Regensburg, Germany

  6. Max Delbrück Center · Humboldt-Universität zu Berlin · German Centre for Cardiovascular Research · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  7. Max Delbrück Center · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

  8. Max Delbrück Center · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  9. Max Delbrück Center · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

  10. Max Delbrück Center · Humboldt-Universität zu Berlin · German Centre for Cardiovascular Research · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  11. Max Delbrück Center · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  12. Affiliation as printed

    BioStats GmbH, Nauen, Germany

  13. Max Delbrück Center · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  14. Max Delbrück Center · Humboldt-Universität zu Berlin · German Centre for Cardiovascular Research · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  15. Max Delbrück Center · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  16. Leiden University · Leiden University Medical Center · European Molecular Biology Laboratory · European Molecular Biology Laboratory

    Affiliation as printed

    Leiden University Center for Infectious Diseases (LUCID), Leiden University Medical Center (LUMC), Leiden, Netherlands

    Molecular Systems Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany

  17. Georg Zeller Aachen

    Leiden University · Leiden University Medical Center · European Molecular Biology Laboratory · European Molecular Biology Laboratory

    Affiliation as printed

    Leiden University Center for Infectious Diseases (LUCID), Leiden University Medical Center (LUMC), Leiden, Netherlands

    Molecular Systems Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany

  18. King's College London · Buchinger Wilhelmi

    Affiliation as printed

    Department of Nutritional Sciences, School of Life Course Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK

    Science Department, Buchinger Wilhelmi Clinic, Überlingen, Germany

  19. Max Delbrück Center · German Centre for Cardiovascular Research · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Department of Nephrology and Internal Intensive Care Medicine, Charité - Universitätsmedizin Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  20. University of Würzburg · Universitätsklinikum Würzburg

    Affiliation as printed

    Institute of Experimental Biomedicine, University Hospital Würzburg, Josef-Schneider-Str. 2, 97080, Würzburg, Germany

  21. University of Regensburg

    Affiliation as printed

    Institute of Functional Genomics, University of Regensburg, Regensburg, Germany

  22. University of Regensburg

    Affiliation as printed

    Institute of Functional Genomics, University of Regensburg, Regensburg, Germany

  23. Max Delbrück Center · Humboldt-Universität zu Berlin · German Centre for Cardiovascular Research · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  24. Max Delbrück Center · Humboldt-Universität zu Berlin · German Centre for Cardiovascular Research · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    Cluster of Excellence ImmunoPreCept, Berlin, Germany

    DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  25. Max Delbrück Center · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

  26. Hendrik Bartolomaeus corresponding

    Max Delbrück Center · Universitätsklinikum Würzburg

    Affiliation as printed

    Institute of Experimental Biomedicine, University Hospital Würzburg, Josef-Schneider-Str. 2, 97080, Würzburg, Germany. bartolomae_h@ukw.de

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany. bartolomae_h@ukw.de

  27. Max Delbrück Center · Humboldt-Universität zu Berlin · Freie Universität Berlin · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany

    Experimental and Clinical Research Center (ECRC), A Cooperation of Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany

    Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany

Cited by 0 stored of 0

No patents citing this paper on Lens.org (checked 2026-10-11).

References 69