selected scholarly activity
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conferences
- Perioperative optimization with nutritional supplements in patients undergoing gastrointestinal surgery for cancer: A randomized, placebo-controlled feasibility clinical trial. Surgery. 670-676. 2022
- ADDING DEAMIDATED GLIADIN PEPTIDE TO TISSUE TRANSGLUTAMINASE ANTIBODIES DOES NOT INCREASE CELIAC DISEASE DETECTION RATES IN IMMUNOGLOBULIN A (IGA) SUFFICIENT PATIENTS. Gastroenterology. S255-S255. 2022
- Perioperative optimization with nutritional supplements in patients undergoing gastrointestinal surgery for cancer: A randomized, placebo controlled feasibility clinical trial.. Journal of Clinical Oncology. 482-482. 2022
- EFFECT OF DIET ON GASTROINTESTINAL SYMPTOMS IN PATIENTS WITH IRRITABLE BOWEL SYNDROME (IBS) STRATIFIED BY ANTIGLIADIN (AGA) ANTIBODIES. Annals of Nutrition and Metabolism. 1018-1018. 2017
- 843 Validity and Reliability of the Celiac Disease Self-Management Inventory: A Self-Reported Tool to Assess Compliance of the Gluten-Free Diet in Adult Celiac Population. Gastroenterology. S179-S179. 2016
- Mo1653 Improvement of Gastrointestinal Symptoms After Gluten-Free Diet in Patients With Irritable Bowel Syndrome Is Dependent on the Presence of Anti-Gliadin Antibodies. Gastroenterology. S743-S744. 2016
- Sa1085 Telephone vs. Clinic Follow-Up in the Management of Patients With Inflammatory Bowel Disease: A Nurse Practitioner Led Study. Gastroenterology. S235-S235. 2016
- Anxiety and Depression Increase in a Step-Wise Fashion in Parallel With Multiple FGIDs. Gastroenterology. S654-S654. 2015
- Reflux Symptoms in Patients With Celiac Disease Are Associated With Alkaline or Weakly Acid Reflux. Gastroenterology. S284-S284. 2015
- Dermatological Complications of Anti-TNF-alpha Therapy in Crohn's Disease. Gastroenterology. S583-S583. 2014
- How Does Specific Serology Match With Esphgan Serologic Guidelines for Diagnosis of Celiac Disease in a Prospective Cohort of Adults With High Pretest Probability?. Gastroenterology. S473-S473. 2014
- Increased Prevalence of Gluten Related Disorders in Patients With Barrett's Esophagus: The Impact on the Development of Dysplasia. Gastroenterology. S470-S471. 2014
- Patients With Active Celiac Disease Have Altered Intercellular Spaces and Tight Junction Structure of the Lower Esophagus That May Explain the High Prevalence of Reflux Symptoms in These Patients. Gastroenterology. S860-S860. 2014
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journal articles
- Molecular Triggers of Non-celiac Wheat Sensitivity: A Scoping Review and Analysis.. American Journal of Gastroenterology. 2025
- The effect of enteral nutrition strategy and non-invasive ventilation on diarrhea and nutritional goals in the critically ill: A protocol for a multicentre retrospective cohort study (ENND GOALS).. PLoS ONE. 20:e0322122. 2025
- Metabolome-associated psychological comorbidities improvement in irritable bowel syndrome patients receiving a probiotic. Gut Microbes. 16:2347715. 2024
- Gluten-Dependent Activation of CD4+ T Cells by MHC Class II–Expressing Epithelium. Gastroenterology. 167:1113-1128. 2024
- Oral tryptophan activates duodenal aryl hydrocarbon receptor in healthy subjects: a crossover randomized controlled trial. American Journal of Physiology - Gastrointestinal and Liver Physiology. 326:G687-G696. 2024
- Evidence related to a vegetarian diet and metabolic dysfunction-associated steatotic liver disease: protocol for a scoping review. BMJ Open. 14:e079750-e079750. 2024
- Nutrition Assessment and Management in Celiac Disease. Gastroenterology. 167:116-131.e1. 2024
- Standardizing Randomized Controlled Trials in Celiac Disease: An International Multidisciplinary Appropriateness Study. Gastroenterology. 166:88-102. 2024
- Comment on Chao, H.-C. Zinc Deficiency and Therapeutic Value of Zinc Supplementation in Pediatric Gastrointestinal Diseases. Nutrients 2023, 15, 4093. Nutrients. 16:134-134. 2023
- Exploring novel therapies for coeliac disease: are safe drugs tolerable?. The Lancet Gastroenterology and Hepatology. 8:688-689. 2023
- Review and Critical Appraisal of Clinical Practice Guidelines of Modalities Used in the Diagnosis of Celiac Disease. Journal of the Canadian Association of Gastroenterology. 6:106-114. 2023
- INVESTIGATING MECHANISMS THAT DRIVE SYMPTOMS IN PATIENTS WITH IRRITABLE BOWEL SYNDROME AND PERCEIVED GLUTEN SENSITIVITY. Gastroenterology. 164:S136-S136. 2023
- Nutritional Considerations in Celiac Disease and Non-Celiac Gluten/Wheat Sensitivity. Nutrients. 15:1475-1475. 2023
- A13 THE RATE OF ADVERSE EVENTS AFTER COVID-19 VACCINATION IS SIMILAR IN PATIENTS WITH CELIAC DISEASE AND NON-CELIAC POPULATION: RESULTS OF A LARGE INTERNATIONAL CROSS-SECTIONAL STUDY. Journal of the Canadian Association of Gastroenterology. 6:7-8. 2023
- A19 INVESTIGATING MECHANISMS THAT DRIVE SYMPTOMS IN IRRITABLE BOWEL SYNDROME PATIENTS WITH PERCEIVED GLUTEN SENSITIVITY. Journal of the Canadian Association of Gastroenterology. 6:10-11. 2023
- A265 TEMPORAL DYNAMICS OF SYMPTOMS AND GUT MICROBIOTA IN EPISODES OF IRRITABLE BOWEL SYNDROME. Journal of the Canadian Association of Gastroenterology. 6:83-83. 2023
- Upper gastrointestinal endoscopic findings in celiac disease at diagnosis: A multicenter international retrospective study. World Journal of Gastroenterology. 28:6157-6167. 2022
- Biogeographic Variation and Functional Pathways of the Gut Microbiota in Celiac Disease. Gastroenterology. 163:1351-1363.e15. 2022
- Micronutrient deficiencies are frequent in adult patients with and without celiac disease on a gluten-free diet, regardless of duration and adherence to the diet. Nutrition. 103-104:111809-111809. 2022
- Association of Celiac Disease and Inflammatory Bowel Disease: A Nationwide Register-Based Cohort Study. American Journal of Gastroenterology. 117:1471-1481. 2022
- Histamine production by the gut microbiota induces visceral hyperalgesia through histamine 4 receptor signaling in mice. Science Translational Medicine. 14:eabj1895. 2022
- 1090: ADDING DEAMIDATED GLIADIN PEPTIDE TO TISSUE TRANSGLUTAMINASE ANTIBODIES DOES NOT INCREASE CELIAC DISEASE DETECTION RATES IN IMMUNOGLOBULIN A (IGA) SUFFICIENT PATIENTS.. Gastroenterology. 162:S-255. 2022
- Weight Loss Following Hepatopancreatobiliary Surgery. How Much is Too Much? A Retrospective Cohort Study. Surgical Innovation. 29:195-202. 2022
- A192 CONSUMPTION OF FOOD LOWER IN TRYPTOPHAN IS ASSOCIATED WITH SIGNIFICANT ANXIETY IN PATIENTS WITH CELIAC DISEASE. Journal of the Canadian Association of Gastroenterology. 5:76-77. 2022
- A194 THE ADDITION OF DEAMIDATED GLIADIN PEPTIDE TO TISSUE TRANSGLUTAMINASE ANTIBODIES DOES NOT INCREASE THE ODDS OF CELIAC DISEASE DIAGNOSIS IN AN IGA SUFFICIENT POPULATION. Journal of the Canadian Association of Gastroenterology. 5:79-80. 2022
- A248 THE ROLE OF DIETARY TRYPTOPHAN IN INDOLE AND KYNURENINE PRODUCTION AND IMMUNE MODULATION IN HEALTHY INDIVIDUALS. Journal of the Canadian Association of Gastroenterology. 5:141-142. 2022
- A34 GLUTEN-FREE DIET IMPROVES DYSPEPTIC SYMPTOMS IN PATIENTS WITH TYPE 1 DIABETES IN WHOM CELIAC DISEASE WAS EXCLUDED. Journal of the Canadian Association of Gastroenterology. 5:40-41. 2022
- A46 BIOGEOGRAPHIC VARIATION AND FUNCTIONAL PATHWAYS OF THE GUT MICROBIOTA IN CELIAC DISEASE. Journal of the Canadian Association of Gastroenterology. 5:53-54. 2022
- A51 ROLE OF GUT MICROBIOTA IN THE EPISODIC NATURE OF SYMPTOMS IN IRRITABLE BOWEL SYNDROME. Journal of the Canadian Association of Gastroenterology. 5:58-60. 2022
- Reduction in Anxiety and Depression Scores Associated with Improvement in Quality of Life in Patients with Inflammatory Bowel Disease. Journal of the Canadian Association of Gastroenterology. 5:12-17. 2022
- The complexities of approaching nutrition in inflammatory bowel disease: current recommendations and future directions. Nutrition Reviews. 80:215-229. 2022
- Probióticos en enfermedad celíaca: ¿estamos listos para su aplicación en la práctica clínica?. Acta Gastroenterologica Latinoamericana. 51:394-402. 2021
- Society for the Study of Celiac Disease position statement on gaps and opportunities in coeliac disease. Nature Reviews Gastroenterology and Hepatology. 18:875-884. 2021
- Gluten-Free Diet Reduces Symptoms, Particularly Diarrhea, in Patients With Irritable Bowel Syndrome and Antigliadin IgG. Clinical Gastroenterology and Hepatology. 19:2343-2352.e8. 2021
- Declining Use of Corticosteroids for Crohn’s Disease Has Implications for Study Recruitment: Results of a Pilot Randomized Controlled Trial. Journal of the Canadian Association of Gastroenterology. 4:214-221. 2021
- Fecal microbiome differs between patients with systemic sclerosis with and without small intestinal bacterial overgrowth. Journal of Scleroderma and Related Disorders. 6:290-298. 2021
- Correction to: Probiotics for Celiac Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. American Journal of Gastroenterology. 116:1968-1968. 2021
- Digestive Manifestations in Patients Hospitalized With Coronavirus Disease 2019. Clinical Gastroenterology and Hepatology. 19:1355-1365.e4. 2021
- Reply. Clinical Gastroenterology and Hepatology. 19:1511-1511. 2021
- Reply. Gastroenterology. 160:2207-2208. 2021
- Risk perception and knowledge of COVID-19 in patients with celiac disease. World Journal of Gastroenterology. 27:1213-1225. 2021
- Current and emerging therapies for coeliac disease. Nature Reviews Gastroenterology and Hepatology. 18:181-195. 2021
- Real-World Gluten Exposure in Patients With Celiac Disease on Gluten-Free Diets, Determined From Gliadin Immunogenic Peptides in Urine and Fecal Samples. Clinical Gastroenterology and Hepatology. 19:484-491.e1. 2021
- The Risk of Contracting COVID-19 Is Not Increased in Patients With Celiac Disease. Clinical Gastroenterology and Hepatology. 19:391-393. 2021
- Derivation and validation of a novel method to subgroup patients with functional dyspepsia: beyond upper gastrointestinal symptoms. Alimentary Pharmacology and Therapeutics. 53:253-264. 2021
- Host immune interactions in chronic inflammatory gastrointestinal conditions. Current Opinion in Gastroenterology. 36:479-484. 2020
- Effect of Bifidobacterium infantis NLS super strain in symptomatic coeliac disease patients on long-term gluten-free diet – an exploratory study. Beneficial microbes. 11:527-534. 2020
- Delivery of care remotely through telemedicine in celiac disease: Thinking beyond COVID-19. Digestive and Liver Disease. 52:1069-1070. 2020
- Probiotics for Celiac Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. American Journal of Gastroenterology. 115:1584-1595. 2020
- Association Between Inflammatory Bowel Diseases and Celiac Disease: A Systematic Review and Meta-Analysis. Gastroenterology. 159:884-903.e31. 2020
- A193 GLUTEN-FREE DIET IMPROVES DYSPEPSIA-LIKE SYMPTOMS IN A PILOT STUDY OF PATIENTS WITH TYPE 1 DIABETES MELLITUS. Journal of the Canadian Association of Gastroenterology. 3:64-65. 2020
- A194 PRESENCE OF CELIAC DISEASE IN PATIENTS WITH BARRETT’S ESOPHAGUS IS ASSOCIATED WITH FASTER DEVELOPMENT OF DYSPLASIA AND HIGHER RATES OF ESOPHAGEAL ADENOCARCINOMA. Journal of the Canadian Association of Gastroenterology. 3:65-66. 2020
- A23 NUTRITIONAL DEFICIENCIES ARE FREQUENT IN CELIAC PATIENTS ON A GLUTEN-FREE DIET, REGARDLESS OF THE DURATION AND COMPLIANCE OF THE DIET. Journal of the Canadian Association of Gastroenterology. 3:27-28. 2020
- Anxiety, Depression and Quality of Life Improve After One Month and Three Months of Home Parenteral Nutrition: A Pilot Study in a Canadian Population. Journal of the Canadian Association of Gastroenterology. 2:178-185. 2019
- Effect of Perioperative Nutritional Supplementation on Postoperative Complications—Systematic Review and Meta-Analysis. Journal of Gastrointestinal Surgery. 23:1682-1693. 2019
- Response to Letter by Moulton et al.. Inflammatory Bowel Diseases. 25:e99-e99. 2019
- Anxiety But Not Depression Predicts Poor Outcomes in Inflammatory Bowel Disease. Inflammatory Bowel Diseases. 25:1255-1261. 2019
- Metabolomics reveals elevated urinary excretion of collagen degradation and epithelial cell turnover products in irritable bowel syndrome patients. Metabolomics. 15:82. 2019
- Weight loss following hepatopancreatobiliary surgery. How much is too much?. HPB. 21:S106-S107. 2019
- Toward New Paradigms in the Follow Up of Adult Patients With Celiac Disease on a Gluten-Free Diet. Frontiers in Nutrition. 6:153. 2019
- Non‐celiac gluten or wheat sensitivity: It's complicated!. Neurogastroenterology and Motility. 30:e13392. 2018
- Management of bone health in patients with celiac disease: Practical guide for clinicians.. Canadian Family Physician. 64:433-438. 2018
- [Not Available].. Canadian Family Physician. 64:e265-e271. 2018
- Reply. Gastroenterology. 154:764-765. 2018
- Proton pump inhibitors for functional dyspepsia. Cochrane Database of Systematic Reviews. 2018:CD011194. 2017
- Bifidobacterium infantis NLS Super Strain Reduces the Expression of α-Defensin-5, a Marker of Innate Immunity, in the Mucosa of Active Celiac Disease Patients. Journal of Clinical Gastroenterology. 51:814-817. 2017
- Probiotic Bifidobacterium longum NCC3001 Reduces Depression Scores and Alters Brain Activity: A Pilot Study in Patients With Irritable Bowel Syndrome. Gastroenterology. 153:448-459.e8. 2017
- Safety of Adding Oats to a Gluten-Free Diet for Patients With Celiac Disease: Systematic Review and Meta-analysis of Clinical and Observational Studies. Gastroenterology. 153:395-409.e3. 2017
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Editorial: latent class analysis to improve confidence in the diagnosis of
IBS – authors’ reply. Alimentary Pharmacology and Therapeutics. 45:1268-1269. 2017 - Minimal differences in prevalence and spectrum of organic disease at upper gastrointestinal endoscopy between selected secondary care patients with symptoms of gastro-oesophageal reflux or dyspepsia. Scandinavian Journal of Gastroenterology. 52:396-402. 2017
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Letter:
NICE referral criteria for lower gastrointestinal alarm features – not ideal but not poor either. Authors' reply. Alimentary Pharmacology and Therapeutics. 45:1176-1176. 2017 - Proton pump inhibitors for functional dyspepsia. Cochrane Database of Systematic Reviews. 3:CD011194. 2017
- Derivation and validation of a diagnostic test for irritable bowel syndrome using latent class analysis. Alimentary Pharmacology and Therapeutics. 45:824-832. 2017
- Transplantation of fecal microbiota from patients with irritable bowel syndrome alters gut function and behavior in recipient mice. Science Translational Medicine. 9:eaaf6397. 2017
- Poor predictive value of lower gastrointestinal alarm features in the diagnosis of colorectal cancer in 1981 patients in secondary care. Alimentary Pharmacology and Therapeutics. 45:91-99. 2017
- Non-coeliac gluten sensitivity: are we closer to separating the wheat from the chaff?. Gut. 65:1921-1922. 2016
- Dietary Triggers in Irritable Bowel Syndrome: Is There a Role for Gluten?. Journal of Neurogastroenterology and Motility. 22:547-557. 2016
- Gluten Introduction to Infant Feeding and Risk of Celiac Disease: Systematic Review and Meta-Analysis (vol 168, pg 132, 2016). Journal of Pediatrics. 169:331-331. 2016
- Altered Esophageal Mucosal Structure in Patients with Celiac Disease. Canadian Journal of Gastroenterology and Hepatology. 2016:1-9. 2016
- Gluten Introduction to Infant Feeding and Risk of Celiac Disease: Systematic Review and Meta-Analysis. Journal of Pediatrics. 168:132-143.e3. 2016
- Should ESPGHAN Guidelines for Serologic Diagnosis of Celiac Disease be Used in Adults? A Prospective Analysis in an Adult Patient Cohort With High Pretest Probability. American Journal of Gastroenterology. 110:1504-1505. 2015
- Ecobiotherapy Rich in Firmicutes Decreases Susceptibility to Colitis in a Humanized Gnotobiotic Mouse Model. Inflammatory Bowel Diseases. 21:1883-1893. 2015
- Prevalence of organic disease at colonoscopy in patients with symptoms compatible with irritable bowel syndrome: cross-sectional survey. Scandinavian Journal of Gastroenterology. 50:816-823. 2015
- Anxiety and Depression Increase in a Stepwise Manner in Parallel With Multiple FGIDs and Symptom Severity and Frequency. American Journal of Gastroenterology. 110:1038-1048. 2015
- No increase in prevalence of somatization in functional vs organic dyspepsia: a cross‐sectional survey. Neurogastroenterology and Motility. 27:1024-1031. 2015
- Understanding the role of probiotics in coeliac disease. British Journal of Nutrition. 113:1664-1665. 2015
- Lack of Utility of Symptoms and Signs at First Presentation as Predictors of Inflammatory Bowel Disease in Secondary Care. American Journal of Gastroenterology. 110:716-724. 2015
- Mo1326 Increased Risk of Functional Gastrointestinal Disorders (FGIDs) in Obesity Patients. Gastroenterology. 148:s-672-s-673. 2015
- Sa1295 Reflux Symptoms in Patients With Celiac Disease Are Associated With Alkaline or Weakly Acid Reflux. Gastroenterology. 148:S-284. 2015
- Irritable bowel syndrome is significantly associated with somatisation in 840 patients, which may drive bloating. Alimentary Pharmacology and Therapeutics. 41:449-458. 2015
- Extraintestinal Manifestations of Celiac Disease. Digestive Diseases. 33:147-154. 2015
- Motility Alterations in Celiac Disease and Non-Celiac Gluten Sensitivity. Digestive Diseases. 33:200-207. 2015
- Tax-Deductible Provisions for Gluten-Free Diet in Canada Compared with Systems for Gluten-Free Diet Coverage Available in Various Countries. Canadian Journal of Gastroenterology and Hepatology. 29:104-110. 2015
- Proton pump inhibitors for functional dyspepsia. Clinical Respiratory Journal. 2014. 2014
- 81 Transplantation of Dysbiotic Microbiota Derived From UC Patients Promotes a Pro-Inflammatory Phenotype and Increased Susceptibility of Gnotobiotic Mice to Colitis. Gastroenterology. 146:S-23. 2014
- Novel Role of the Serine Protease Inhibitor Elafin in Gluten-Related Disorders. American Journal of Gastroenterology. 109:748-756. 2014
- The Rome III Criteria for the Diagnosis of Functional Dyspepsia in Secondary Care Are Not Superior to Previous Definitions. Gastroenterology. 146:932-940.e1. 2014
- Characteristics of functional bowel disorder patients: a cross‐sectional survey using the Rome III criteria. Alimentary Pharmacology and Therapeutics. 39:312-321. 2014
- Validation of the Rome III Criteria for the Diagnosis of Irritable Bowel Syndrome in Secondary Care. Gastroenterology. 145:1262-1270.e1. 2013
- Sa1261 A Quantitative Assessment of Psychological Distress in Celiac Disease Patients At the Time of Diagnosis. Gastroenterology. 144:S-245. 2013
- Sa1266 The Long-Term Impact of the Gluten-Free Diet on the Psychological Distress of Celiac Disease Patients. Results of a Prospective Longitudinal Study. Gastroenterology. 144:S-246. 2013
- Tu1973 Bifidobacterium Infantis Nls Super Strain Reduces Expression of Alpha-Defensin-5, a Marker of Innate Immunity, in the Mucosa of Untreated Celiac Patients. Gastroenterology. 144:S-894. 2013
- 1042 “Experts” Assess the Accuracy of Celiac Disease Diagnosis Performed in the Community Setting. Gastroenterology. 142:S-183. 2012
- 308 Immediate Effects of Infliximab Infusion on Mood in Patients With Inflammatory Bowel Disease. Gastroenterology. 142:S-69. 2012
- Serological tests for celiac disease as indicators of long-term compliance with the gluten-free diet. European Journal of Gastroenterology and Hepatology. 23:1-1. 2011
- Gastroesophageal Reflux Symptoms in Patients With Celiac Disease and the Effects of a Gluten-Free Diet. Clinical Gastroenterology and Hepatology. 9:214-219. 2011
- Epidemiology and Burden of Chronic Constipation. Canadian Journal of Gastroenterology and Hepatology. 25:11b-15b. 2011
- Risk of fracture in celiac disease: Gender, dietary compliance, or both?. World Journal of Gastroenterology. 17:3035-3035. 2011
- Long-term deterioration of quality of life in adult patients with celiac disease is associated with treatment noncompliance. Digestive and Liver Disease. 42:685-691. 2010
- S2040 Risk of Fracture After Diagnosis of Celiac Disease is Comparable to That of Control Population. Gastroenterology. 138:S-307. 2010
- S2041 Improved Performance of Celiac Disease-Related Serology Tests in Predicting the Degree of Patients' Compliance With Long-Term Gluten-Free Diet. New Cut-Offs are Necessary. Gastroenterology. 138:S-307. 2010
- S2042 A Prospective Study to Assess Comorbid Gastroesophageal Reflux Symptoms at Diagnosis of Celiac Disease and Effect of Treatment With the Gluten-Free Diet. Gastroenterology. 138:S-308. 2010
- Very high rate of misdiagnosis of celiac disease in clinical practice.. Acta Gastroenterologica Latinoamericana. 39:250-253. 2009
- Low-Dose Aspirin Affects the Small Bowel Mucosa: Results of a Pilot Study With a Multidimensional Assessment. Clinical Gastroenterology and Hepatology. 7:524-529. 2009
- M2029 The DGP/tTG Screen Assay Can Detect Celiac Disease Among Anti-Tissue Transglutaminase Seronegative Gluten-Dependent Patients. Gastroenterology. 136:A-470. 2009
- W1035 Long-Term Prospective Assessment of Quality of Life in Celiac Disease Patients. Deterioration At Four-Years On Treatment. Gastroenterology. 136:a-639-a-640. 2009
- W1035 Very High Rate of Misdiagnosis of Celiac Disease in Practice. Gastroenterology. 134:a-619-a-620. 2008
- W1927 Low Dose Aspirin Affects the Small Bowel Mucosa. Results of a Pilot Study Using a Multidimensional Assessment. Gastroenterology. 134:A-736. 2008
- “Que el alimento sea tu medicina”: el dilema de la falta de acceso a la terapia alimentaria en enfermedad celíaca. Acta Gastroenterologica Latinoamericana. 54:111-114.