Scientific contributions

Doctoral thesis

• 2 June 2025Social inequalities in childhood overweight: identifying facilitators for action in the most vulnerable populations
  Camille Le Gal. PhD in Epidemiology, Université Paris Cité, supervised by Barbara Heude and Sandrine Lioret.
  Read the thesis on HAL · Record on theses.fr

Knowledge Sharing & Science Communication

• 2024E-learning content development: co-design of an educational module on childhood obesity prevention for the European EndObesity consortium MOOC. Delivered on the ENeA Global platform for healthcare professionals. chifha.med.lmu.de
• November 2022Event coordination: organization of the interdisciplinary seminar “Reducing social inequalities in health: beyond observation, taking action!” within the EHESP doctoral network.
• May 2023Science communication: invited speaker at the international Pint of Science festival. “Health inequalities: where does the research stand?”, on 23 May 2023 in Paris.

Published articles

• June 2026Baietto, M., Le Gal, C., Descarpentrie, A., Lecorguillé, M., Cissé, A. H., Bernard, J. Y., Tafflet, M., Pilato, J., van der Waerden, J., de Lauzon-Guillain, B., Charles, M. A., Heude, B., Lioret, S. (2026). Association of early childhood lifestyle patterns with overweight in preschoolers and timing of adiposity rebound. International Journal of Behavioral Nutrition and Physical Activity. doi.org/10.1186/s12966-026-01941-w
• June 2026Lecorguillé, M., Descarpentrie, A., Pavicic, L., Le Gal, C., Vandentorren, S., Sauvegrain, P., Heude, B., Charles, M. A., de Lauzon-Guillain, B., Lioret, S. (2026). Socio-ecological correlates of children's diet in the first 2 years of life: influence of socio-economic position and migration background in a French birth cohort. Public Health Nutrition, 29(1), e136. doi.org/10.1017/S136898002610281X
• November 2025Le Gal, C., Schipper, M. C., Lecorguillé, M., Pavicic, L., Simeon, T., Charles, M. A., Gaillard, R., Lioret, S., Heude, B. (2025). Association Between Parental Social Position and Childhood Overweight: Mediation by Lifestyle and BMI Patterns During Pregnancy. Pediatric Obesity, 20(11), e70047. doi.org/10.1111/ijpo.70047
• December 2023Le Gal, C., Lecorguillé, M., Poncet, L., Cissé, A. H., Gassama, M., Simeon, T., Lanoë, J. L., Melchior, M., Bernard, J. Y., Charles, M. A., Heude, B., Lioret, S. (2023). Social patterning of childhood overweight in the French national ELFE cohort. Scientific Reports, 13(1), 21975. doi.org/10.1038/s41598-023-48431-8 Correction published in February 2024.
• January 2020Le Gal, C., Dale, M. J., Cargo, M., Daniel, M. (2020). Built Environments and Cardiometabolic Morbidity and Mortality in Remote Indigenous Communities in the Northern Territory, Australia. International Journal of Environmental Research and Public Health, 17(3), 769. doi.org/10.3390/ijerph17030769
• October 2025Lioret, S., Sion, O., Hincker, P., Béghin, L., de Lauzon-Guillain, B., Cavalli, B., Salinier, C., Turck, D., Perez, N., Subtil, D., Brun, S., Charlier, M., Creps, E., Dehon, A., Le Gal, C., Poquet, D., Sauvegrain, P., Heude, B., Deplanque, D., Meyran, D., Devouge, P., Ley, D., Charles, M. A. (2025). Home visiting intervention over pregnancy and the first two years of life to promote healthy feeding practices and energy balance-related behaviors and prevent obesity risk in children from socially disadvantaged families: protocol for a participant-blinded, two-arm, parallel-group randomized controlled trial-the ECAIL study. BMC Public Health, 25(1), 3659. doi.org/10.1186/s12889-025-25004-0
• January 2026Schipper, M. C., Manshanden, A., Philippe, K., Ferré, N., Luque, V., Lecorguillé, M., Aubert, A. M., Guerlich, K., Le Gal, C., Feher, S., Parada-Ricart, E., Escribano, J., Grote, V., Koletzko, B., Primavesi-Poggio, T., Reiss, K., Seidell, J. C., Lioret, S., Phillips, C. M., Heude, B., Gaillard, R. (2026). First 1000 Days Strategies to Prevent Childhood Obesity: A Narrative Review and Recommendations From the EndObesity Consortium. Pediatric Obesity, 21(1), e70060. doi.org/10.1111/ijpo.70060
• April 2021Duvignaud, A., Jaspard, M., Etafo, I. C., Gabillard, D., Serra, B., Abejegah, C., Le Gal, C., Abidoye, A. T., Doutchi, M., Owhin, S., Séri, B., Vihundira, J. K., Bérerd-Camara, M., Schaeffer, J., Danet, N., Augier, A., Ogbaini-Emovon, E., Salam, A. P., Ahmed, L. A., Duraffour, S., Horby, P., Günther, S., Adedosu, A. N., Ayodeji, O. O., Anglaret, X., Malvy, D. (2021). Lassa fever outcomes and prognostic factors in Nigeria (LASCOPE): a prospective cohort study. The Lancet Global Health, 9(4), e469-e478. doi.org/10.1016/S2214-109X(20)30518-0
• November 2024Duvignaud, A., Etafo, I. C., Jaspard, M., Salau, Q., Serra, B., Kareem, A. J., Juchet, S., Jegede, T. O., Gabillard, D., Abidoye, A. T., Le Gal, C., Abejegah, C., Owhin, S., Okwaraeke, K., Doutchi, M., Katembo Vihundira, J., Besong-Lache, R. M., Seri, B., Bérerd-Camara, M., Salam, A. P. A., Olayinka, A., Horby, P., Ogbaini-Emovon, E., Duraffour, S., Ahmed, L. A., Günther, S., Adedosu, A. N., Anglaret, X., Malvy, D., Lang, H. J., Ayodeji, O. O. (2024). Presentation and Outcomes of Lassa Fever in Children in Nigeria: A Prospective Cohort Study (LASCOPE). Journal of the Pediatric Infectious Diseases Society, 13(10), 513-522. doi.org/10.1093/jpids/piae083

Preprints

• May 2026Delphine Poquet, Camille Le Gal, Pascale Hincker, Laurent Béghin, Dominique Deplanque, Damien Subtil, Oriane Sion, Benjamin Cavalli, Lucie Vanhoutte, Victoria Jacobsen, Ketevan Maar, Ioannis Sakellaris, Blandine de Lauzon Guillain, Marie-Aline Charles, Delphine Ley, Priscille Sauvegrain, Sandrine Lioret (2026). How the COVID-19 pandemic and cost-of-living crisis shaped reach and engagement in the ECAIL trial targeting socially disadvantaged families: an interdisciplinary implementation study. medRxiv, preprint (not peer reviewed). DOI: 10.64898/2026.05.14.26353230
• September 2025Marianne Jacques, Martin Chalumeau, Camille Le Gal, Benoit Salanave, Bruno Frandji, Marie-Aline Charles, Sandrine Lioret, EBGM IX study group, Barbara Heude, Pauline Scherdel (2025). Trends in the prevalence of overweight and obesity in children and adolescents in France in the 21st century: a systematic review and meta-analysis. medRxiv, preprint (not peer reviewed). DOI: 10.1101/2025.09.22.25336050

Articles in preparation

• Status to be confirmedC. Carriere-Julia, M. Pailler, C. Le Gal, M. Le Goff, S. Lioret, C. Delcourt, B. Heude, P. Barat, T. Lamireau, H. Thibault. Score for early identification of new-borns at risk of developing overweight or obesity in childhood : construction and results of its predictive performances performed on EDEN and ELFE cohorts.

Oral Conference Presentations

• September 2024C. Le Gal, M. Lecorguillé, S. Lioret, B. Heude. “The emergence of social inequalities in childhood overweight”. ELFE & Epipage 2 Scientific Day, Paris (invited talk).
• March 2024C. Le Gal. “Childhood obesity, social inequalities and vulnerabilities”. Journées Francophones d'Hépato-gastroentérologie et d'Oncologie Digestive (JFHOD), Paris, 14–17 March (invited talk).
• January 2023C. Le Gal. “Socio-economic inequalities in childhood overweight in the national ELFE cohort”. EndObesity General Assembly Consortium Meeting, Rotterdam, 26–27 January.

Poster Conference Presentations

• May 2024C. Le Gal, M. C. Schipper, M. Lecorguillé, L. Pavicic, T. Simeon, M.-A. Charles, R. Gaillard, S. Lioret* & B. Heude*. “Parental lifestyle patterns during pregnancy mediate part of the association between parental education level and overweight in early childhood”. 31st European Congress on Obesity, Venice, 12–15 May.
• January 2024C. Le Gal, M. Lecorguillé, L. Pavicic, T. Simeon, M.-A. Charles, S. Lioret, B. Heude. “Mediating effects of parental behaviors during pregnancy on the association between parental education and childhood overweight: results from the ELFE cohort”. 40th Scientific Day of the French Association for the Study and Research on Obesity (AFERO), Nantes, 18–19 January.
• January 2023C. Le Gal, S. Lioret, A. Cissé, M. Gassama, T. Simeon, M.-A. Charles, M. Melchior, B. Heude. “Social inequalities in childhood overweight in the national ELFE birth cohort”. 39th Scientific Day of the French Association for the Study and Research on Obesity (AFERO), Paris, 12–13 January.
• November 2022C. Le Gal, S. Lioret, A. Cissé, M. Gassama, T. Simeon, M.-A. Charles, M. Melchior, B. Heude. “Socio-economic inequalities in childhood overweight in the national ELFE cohort”. 31st Congress of the European Childhood Obesity Group (ECOG), Vichy, 2–4 November.

Research Funding

Funding from the EHESP doctoral network (French School of Public Health) for a one-month research stay at Erasmus University Medical Center in Rotterdam, the Netherlands.