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1. Supplementation with Bifidobacterium longum subspecies infantis EVC001 for mitigation of type 1 diabetes autoimmunity: the GPPAD-SINT1A randomised controlled trial protocol

Author

Matthew D Snape, Melanie Gündert, Anette-Gabriele Ziegler, Peter Achenbach, Reinhard Berner, Kristina Casteels, Thomas Danne, Joerg Hasford, Olga Kordonouri, Karin Lange, Helena Elding Larsson, Markus Lundgren, Agnieszka Szypowska, John A Todd, Ezio Bonifacio, Nicole Zubizarreta, Christiane Winkler, Åke Lernmark, Daniel Agardh, Cigdem Gezginci, Claudia Ramminger, Marlon Scholz, Katharina Warncke, Carin Andrén Aronsson, Rasmus Bennet, Lina Fransson, Zeliha Mestan, Caroline Nilsson, Anita Ramelius, Carina Törn, Sarah Hogg, Catherine Owen, Lidia Groele, Florian Haupt, Claudia Matzke, Robin Assfalg, Matthew Snape, Felix Reschke, Marcin L Pekalski, Andreas Weiss, Andrew Johnston, Manja Jolink, Loredana Marcovecchio, Mariusz Ołtarzewski, Stefanie Arnolds, Annika Kölln, Markus Pfirrmann, Corinna Barz, Karina Blasius, Nadine Friedl, Adriano Gomez-Bantel, Martin Heigermoser, Bianca Höfelschweiger, Nadine Klein, Ramona Lickert, Rebecca Niewöhner, Katharina Schütte-Borkovec, Mira Taulien, Lara Vogel, Franziska Voß, José Maria Zapardiel Gonzalo, Philipp Sifft, Heidi Kapfelsberger, Merve Vurucu, Katharina Sarcletti, Stefanie Jacobson, Yulia Grinin, John A. Todd, Anette-G. Ziegler, Marcin L. Pekalski, Anette G. Ziegler, Annre Rochtus, An Jacobs, Hilde Morobé, Jasmin Paulus, Brontë Vrancken, Natalie Van den Driessche, Renka Van Heyste, Janne Houben, Veerle Vanhuyse, Sevina Dietz, Gita Gemulla, Manja Gottschalk-Schwarz, Sophie Heinke, Angela Hommel, Susann Kowal, Fabian Lander, Robert Morgenstern, Marc Weigelt, Sari Arabi, Raphael Hoffmann, Ruth Blechschmidt, Franziska Ehrlich, Anja Loff, Laura Galuschka, Ute Holtkamp, Nils Janzen, Sarah Landsberg, Erika Marquardt, Frank Roloff, Kerstin Semler, Thekla von dem Berge, Melanie Bunk, Simone Färber-Meisterjahn, Willi Grätz, Ines Greif, Melanie Herbst, Anna Hofelich, Benjamin Marcus, Annette Munzinger, Jasmin Ohli, Franziska Reinmüller, Tiziana Welzhofer, Sylwia Dybkowska, Katarzyna Dżygało, Dorota Owczarek, Katarzyna Popko, Agnieszka Skrobot, Anna Taczanowska, Beata Zduńczyk, Charlotte Brundin, Ida Jönsson, Sara Maroufkhani, Evelyn Tekum Amboh, Katarzyna Gajewska-Knapik, Elena Romero, Suzannah Twiss, Helen Gallon, Laura Gebbie, Fiona Jenkinson, Steven Pratt, Steve Robson, Claire Simmister, Evelyn Thomson, and Eileen Walton

Subjects
Medicine
Abstract

Introduction The Global Platform for the Prevention of Autoimmune Diabetes-SINT1A Study is designed as a randomised, placebo-controlled, double-blind, multicentre, multinational, primary prevention study aiming to assess whether daily administration of Bifidobacterium infantis from age 7 days to 6 weeks until age 12 months to children with elevated genetic risk for type 1 diabetes reduces the cumulative incidence of beta-cell autoantibodies in childhood.Methods and analysis Infants aged 7 days to 6 weeks from Germany, Poland, Belgium, UK and Sweden are eligible for study participation if they have a >10.0% expected risk for developing multiple beta-cell autoantibodies by age 6 years as determined by genetic risk score or family history and HLA genotype. Infants are randomised 1:1 to daily administration of B. infantis EVC001 or placebo until age 12 months and followed for a maximum of 5.5 years thereafter. The primary outcome is the development of persistent confirmed multiple beta-cell autoantibodies. Secondary outcomes are (1) Any persistent confirmed beta-cell autoantibody, defined as at least one confirmed autoantibody in two consecutive samples, including insulin autoantibodies, glutamic acid decarboxylase, islet tyrosine phosphatase 2 or zinc transporter 8, (2) Diabetes, (3) Transglutaminase autoantibodies associated with coeliac disease, (4) Respiratory infection rate in first year of life during supplementation and (5) Safety. Exploratory outcomes include allergy, antibody response to vaccines, alterations of the gut microbiome or blood metabolome, stool pH and calprotectin.Ethics and dissemination The study was approved by the local ethical committees of the Technical University Munich, Medical Faculty, the Technische Universität Dresden, the Medizinische Hochschule Hannover, the Medical University of Warsaw, EC Research UZ Leuven and the Swedish ethical review authority. The results will be disseminated through peer-reviewed journals and conference presentations and will be openly shared after completion of the study.Trial registration number NCT04769037.

Published
2021
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2. Supplementation with Bifidobacterium longum subspecies infantis EVC001 for mitigation of type 1 diabetes autoimmunity: the GPPAD-SINT1A randomised controlled trial protocol

Author

Matthew D Snape, Melanie Gündert, Anette-Gabriele Ziegler, Peter Achenbach, Reinhard Berner, Kristina Casteels, Thomas Danne, Joerg Hasford, Olga Kordonouri, Karin Lange, Helena Elding Larsson, Markus Lundgren, Agnieszka Szypowska, John A Todd, Ezio Bonifacio, Nicole Zubizarreta, Christiane Winkler, Åke Lernmark, Daniel Agardh, Cigdem Gezginci, Claudia Ramminger, Marlon Scholz, Katharina Warncke, Carin Andrén Aronsson, Rasmus Bennet, Lina Fransson, Zeliha Mestan, Caroline Nilsson, Anita Ramelius, Carina Törn, Sarah Hogg, Catherine Owen, Lidia Groele, Florian Haupt, Claudia Matzke, Robin Assfalg, Matthew Snape, Felix Reschke, Marcin L Pekalski, Andreas Weiss, Andrew Johnston, Manja Jolink, Loredana Marcovecchio, Mariusz Ołtarzewski, Stefanie Arnolds, Annika Kölln, Markus Pfirrmann, Corinna Barz, Karina Blasius, Nadine Friedl, Adriano Gomez-Bantel, Martin Heigermoser, Bianca Höfelschweiger, Nadine Klein, Ramona Lickert, Rebecca Niewöhner, Katharina Schütte-Borkovec, Mira Taulien, Lara Vogel, Franziska Voß, José Maria Zapardiel Gonzalo, Philipp Sifft, Heidi Kapfelsberger, Merve Vurucu, Katharina Sarcletti, Stefanie Jacobson, Yulia Grinin, John A. Todd, Anette-G. Ziegler, Marcin L. Pekalski, Anette G. Ziegler, Annre Rochtus, An Jacobs, Jasmin Paulus, Brontë Vrancken, Natalie Van den Driessche, Renka Van Heyste, Janne Houben, Veerle Vanhuyse, Sevina Dietz, Gita Gemulla, Manja Gottschalk-Schwarz, Sophie Heinke, Angela Hommel, Susann Kowal, Fabian Lander, Robert Morgenstern, Marc Weigelt, Sari Arabi, Raphael Hoffmann, Ruth Blechschmidt, Franziska Ehrlich, Anja Loff, Laura Galuschka, Ute Holtkamp, Nils Janzen, Sarah Landsberg, Erika Marquardt, Frank Roloff, Kerstin Semler, Thekla von dem Berge, Melanie Bunk, Simone Färber-Meisterjahn, Willi Grätz, Ines Greif, Melanie Herbst, Anna Hofelich, Benjamin Marcus, Annette Munzinger, Jasmin Ohli, Franziska Reinmüller, Tiziana Welzhofer, Sylwia Dybkowska, Katarzyna Dżygało, Dorota Owczarek, Katarzyna Popko, Agnieszka Skrobot, Anna Taczanowska, Beata Zduńczyk, Charlotte Brundin, Ida Jönsson, Sara Maroufkhani, Evelyn Tekum Amboh, Katarzyna Gajewska-Knapik, Elena Romero, Suzannah Twiss, Helen Gallon, Laura Gebbie, Fiona Jenkinson, Steven Pratt, Steve Robson, Claire Simmister, Evelyn Thomson, and Eileen Walton

Subjects
Diabetes & Endocrinology, Epidemiology, General Diabetes, Immunology, Paediatrics, CHILDHOOD, diabetes & endocrinology, CHILDREN, PROGRESSION, Autoimmunity, GUT MICROBIOME, Coeliac disease, law.invention, immunology, Randomized controlled trial, law, Multicenter Studies as Topic, Cumulative incidence, Family history, Child, Randomized Controlled Trials as Topic, RISK, Respiratory infection, General Medicine, ddc, Diabetes and Endocrinology, Medicine, epidemiology, Life Sciences & Biomedicine, medicine.medical_specialty, Bifidobacterium longum subspecies infantis, paediatrics, Medicine, General & Internal, General & Internal Medicine, Internal medicine, Diabetes mellitus, medicine, Humans, Type 1 diabetes, Science & Technology, business.industry, general diabetes, Autoantibody, Infant, medicine.disease, Gastrointestinal Microbiome, Diabetes Mellitus, Type 1, Dietary Supplements, BETA-CELL AUTOIMMUNITY, AUTOANTIBODIES, business
Abstract

IntroductionThe Global Platform for the Prevention of Autoimmune Diabetes-SINT1A Study is designed as a randomised, placebo-controlled, double-blind, multicentre, multinational, primary prevention study aiming to assess whether daily administration of Bifidobacterium infantis from age 7 days to 6 weeks until age 12 months to children with elevated genetic risk for type 1 diabetes reduces the cumulative incidence of beta-cell autoantibodies in childhood.Methods and analysisInfants aged 7 days to 6 weeks from Germany, Poland, Belgium, UK and Sweden are eligible for study participation if they have a >10.0% expected risk for developing multiple beta-cell autoantibodies by age 6 years as determined by genetic risk score or family history and HLA genotype. Infants are randomised 1:1 to daily administration of B. infantis EVC001 or placebo until age 12 months and followed for a maximum of 5.5 years thereafter. The primary outcome is the development of persistent confirmed multiple beta-cell autoantibodies. Secondary outcomes are (1) Any persistent confirmed beta-cell autoantibody, defined as at least one confirmed autoantibody in two consecutive samples, including insulin autoantibodies, glutamic acid decarboxylase, islet tyrosine phosphatase 2 or zinc transporter 8, (2) Diabetes, (3) Transglutaminase autoantibodies associated with coeliac disease, (4) Respiratory infection rate in first year of life during supplementation and (5) Safety. Exploratory outcomes include allergy, antibody response to vaccines, alterations of the gut microbiome or blood metabolome, stool pH and calprotectin.Ethics and disseminationThe study was approved by the local ethical committees of the Technical University Munich, Medical Faculty, the Technische Universität Dresden, the Medizinische Hochschule Hannover, the Medical University of Warsaw, EC Research UZ Leuven and the Swedish ethical review authority. The results will be disseminated through peer-reviewed journals and conference presentations and will be openly shared after completion of the study.Trial registration numberNCT04769037.

Published
2020

3. Effects of Gluten Intake on Risk of Celiac Disease: A Case-Control Study on a Swedish Birth Cohort

Author

Carin Andrén Aronsson, Hye-Seung Lee, Sibylle Koletzko, Ulla Uusitalo, Jimin Yang, Suvi M. Virtanen, Edwin Liu, Åke Lernmark, Jill M. Norris, Daniel Agardh, Marian Rewers, Kimberly Bautista, Judith Baxter, Ruth Bedoy, Daniel Felipe-Morales, Brigitte I. Frohnert, Patricia Gesualdo, Michelle Hoffman, Rachel Karban, Jill Norris, Adela Samper-Imaz, Andrea Steck, Kathleen Waugh, Hali Wright, Jin-Xiong She, Desmond Schatz, Diane Hopkins, Leigh Steed, Jamie Thomas, Janey Adams, Katherine Silvis, Michael Haller, Melissa Gardiner, Richard McIndoe, Ashok Sharma, Joshua Williams, Gabriela Foghis, Stephen W. Anderson, Richard Robinson, Anette G. Ziegler, Andreas Beyerlein, Ezio Bonifacio, Michael Hummel, Sandra Hummel, Kristina Foterek, Mathilde Kersting, Annette Knopff, Claudia Peplow, Roswith Roth, Joanna Stock, Elisabeth Strauss, Katharina Warncke, Christiane Winkler, Jorma Toppari, Olli G. Simell, Annika Adamsson, Heikki Hyöty, Jorma Ilonen, Sanna Jokipuu, Tiina Kallio, Miia Kähönen, Mikael Knip, Annika Koivu, Mirva Koreasalo, Kalle Kurppa, Maria Lönnrot, Elina Mäntymäki, Katja Multasuo, Juha Mykkänen, Tiina Niininen, Mia Nyblom, Petra Rajala, Jenna Rautanen, Anne Riikonen, Minna Romo, Satu Simell, Tuula Simell, Ville Simell, Maija Sjöberg, Aino Stenius, Maria Särmä, Sini Vainionpää, Eeva Varjonen, Riitta Veijola, Mari Vähä-Mäkilä, Mari Åkerlund, Maria Ask, Jenny Bremer, Ulla-Marie Carlsson, Corrado Cilio, Emelie Ericson-Hallström, Lina Fransson, Thomas Gard, Joanna Gerardsson, Rasmus Bennet, Monica Hansen, Gertie Hansson, Cecilia Harmby, Susanne Hyberg, Fredrik Johansen, Berglind Jonasdottir, Helena Elding Larsson, Sigrid Lenrick Forss, Markus Lundgren, Maria Månsson-Martinez, Maria Markan, Jessica Melin, Zeliha Mestan, Kobra Rahmati, Anita Ramelius, Anna Rosenquist, Falastin Salami, Sara Sibthorpe, Birgitta Sjöberg, Ulrica Swartling, Evelyn Tekum Amboh, Erika Trulsson, Carina Törn, Anne Wallin, Åsa Wimar, Sofie Åberg, William A. Hagopian, Michael Killian, Claire Cowen Crouch, Jennifer Skidmore, Stephen Ayres, Kayleen Dunson, Rachel Hervey, Corbin Johnson, Rachel Lyons, Arlene Meyer, Denise Mulenga, Elizabeth Scott, Joshua Stabbert, Alexander Tarr, Morgan Uland, John Willis, Dorothy Becker, Margaret Franciscus, MaryEllen Dalmagro-Elias Smith, Ashi Daftary, Mary Beth Klein, Chrystal Yates, Jeffrey P. Krischer, Michael Abbondondolo, Sarah Austin-Gonzalez, Sandra Baethke, Rasheedah Brown, Brant Burkhardt, Martha Butterworth, Joanna Clasen, David Cuthbertson, Christopher Eberhard, Steven Fiske, Dena Garcia, Jennifer Garmeson, Veena Gowda, Kathleen Heyman, Francisco Perez Laras, Shu Liu, Xiang Liu, Kristian Lynch, Jamie Malloy, Cristina McCarthy, Wendy McLeod, Steven Meulemans, Chris Shaffer, Laura Smith, Susan Smith, Noah Sulman, Roy Tamura, Kendra Vehik, Ponni Vijayakandipan, Keith Wood, Lori Ballard, David Hadley, Beena Akolkar, Kasia Bourcier, Thomas Briese, Suzanne Bennett Johnson, and Eric Triplett

Subjects
Male, medicine.medical_specialty, Glutens, Biopsy, Teddy Study, Diet, Pediatric, Wheat, The Environmental Determinants of Diabetes in the Young, Breastfeeding, Gastroenterology and Hepatology, digestive system, Gastroenterology, Risk Assessment, 03 medical and health sciences, 0302 clinical medicine, GTP-Binding Proteins, Internal medicine, Medicine, Humans, Protein Glutamine gamma Glutamyltransferase 2, 030212 general & internal medicine, Seroconversion, Child, Autoantibodies, 2. Zero hunger, chemistry.chemical_classification, Sweden, Transglutaminases, Hepatology, business.industry, Case-control study, nutritional and metabolic diseases, Infant, Odds ratio, ta3123, Gluten, digestive system diseases, Confidence interval, 3. Good health, Intestines, Celiac Disease, chemistry, Case-Control Studies, Child, Preschool, Immunology, 030211 gastroenterology & hepatology, Female, business, Risk assessment
Abstract

BACKGROUND & AIMS: It is not clear how intake of gluten during infancy affects subsequent risk of celiac disease. We investigated whether gluten intake before 2 years of age increases risk for celiac disease in genetically susceptible children. METHODS: We performed a case-control study of 436 pairs of children, generated from a database of 2525 children with genetic susceptibility to celiac disease in Sweden, matched for sex, birth year, and HLA genotype from September 2004 and February 2010. Children were screened annually for celiac disease using an assay for tissue transglutaminase autoantibodies (tTGA). Intestinal biopsies were collected from children who tested positive for tTGA to confirm the presence of celiac disease. Gluten intake was calculated from 3-day food records collected when the children were 9, 12, 18 and 24 months old. RESULTS: Breastfeeding duration (median 32 weeks) and age at first introduction to gluten (median 22 weeks) did not differ between cases and tTGA-negative children (controls). At the visit prior to tTGA seroconversion, cases reported a larger intake of gluten (median 4.9 g/day) than controls (median 3.9 g/day) (odds ratio [OR], 1.28; 95% confidence interval [CI], 1.13-1.46; P=.0002). More cases consumed amounts of gluten in the upper 3rd tertile (i.e. >5.0 g/day) before they tested positive for tTGA seroconversion than controls (OR, 2.65; 95% CI, 1.70-4.13; P

Published
2015

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