David Armstrong

Professor of Medicine

McMaster University

Canada

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David Armstrong is a Professor of Medicine at McMaster University in Canada. His research focuses on clinical outcomes in gastrointestinal health, particularly examining comparisons between cancer and non-cancer patients, as well as micronutrient deficiencies in patients on gluten-free diets. He has published articles on clinical trials for novel treatments of esophagitis, sustainable practices in gastroenterology, and the evaluation of Canadian colorectal cancer screening programs.

Articles (22)

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2021

Collaborators (12)

Peter Kahrilas

Professor

Northwestern University

UNITED STATES

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Ronnie Fass

UNITED STATES

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Grigorios Leontiadis

McMaster University

CANADA

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Jan Adolfsson

Karolinska Institutet

SWEDEN

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Brendan Delaney

UNITED KINGDOM

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Harminder Singh

University of Manitoba College of Medicine

CANADA

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Yuhong Yuan

Assistant Professor (Part-time)

McMaster University

CANADA

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C. Prakash Gyawali

Washington University School of Medicine

UNITED STATES

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Paul Moayyedi

McMaster University

CANADA

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Qiyin Fang

Professor

McMaster University

CANADA

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John Marshall

McMaster University

CANADA

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Maria Ines Pinto-Sanchez

Assistant professor

McMaster University

CANADA

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David Armstrong

Research Interests

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Articles (22)

Comparative clinical outcomes of home parenteral nutrition in adults with gastrointestinal or gynecologic cancers versus non-cancer patients: a prospective cohort study using propensity score matching from the Canadian HPN registry

Micronutrient Deficiencies Associated with a Gluten-Free Diet in Patients with Celiac Disease and Non-Celiac Gluten or Wheat Sensitivity: A Systematic Review and Meta-Analysis

Clinical Trial: Dose‐Finding Study of Linaprazan Glurate, A Novel Potassium‐Competitive Acid Blocker, Versus Lansoprazole for the Treatment of Erosive Oesophagitis

Sustainable practice in gastroenterology: travel-related CO2 emissions for gastroenterology clinic appointments in Canada

Management of Patients With Refractory Reflux‐Like Symptoms Despite Proton Pump Inhibitor Therapy: Evidence‐Based Consensus Statements

Training and Assessment of Clinician’s Utilization of the Los Angeles Classification for Reflux Esophagitis

Canadian colorectal cancer screening programs: How do they measure up using the International Agency for Research on Cancer criteria for organized screening?

Enteral nutrition on discharge from intensive care and 30-day unplanned readmission: An exploratory, retrospective study of association

The Canadian Association of Gastroenterology’s New Climate Change Committee

Nutritional Considerations in Celiac Disease and Non-Celiac Gluten/Wheat Sensitivity

Symptom Profile, Proton Pump Inhibitor Therapy, and Diagnostic Testing in Patients With Persistent Reflux-Like Symptoms: Results From a Population-Based Survey

NutriSup-PPN: A pilot randomized control trial of oral nutritional supplementation (ONS) and peripheral parenteral nutrition (PPN) in canadian, malnourished, hospitalized patients

Editorial: On‐demand vonoprazan for NERD – when should it be ‘demanded’? Authors' reply

Randomised clinical trial: Efficacy and safety of on‐demand vonoprazan versus placebo for non‐erosive reflux disease

Comment on Chao, H.-C. Zinc Deficiency and Therapeutic Value of Zinc Supplementation in Pediatric Gastrointestinal Diseases. Nutrients 2023, 15, 4093

Reduction in Anxiety and Depression Scores Associated with Improvement in Quality of Life in Patients with Inflammatory Bowel Disease

The complexities of approaching nutrition in inflammatory bowel disease: current recommendations and future directions

A Real-Time Endoscope Motion Tracker

Letter to the Editor: Too Soon to Dismiss Inflammation-Related Differences in the Mucosa-Associated Microbiota in Crohn’s Disease Patients

Integrating Quality Assurance and Quality Improvement With Guidelines: Systematic Stakeholder-Driven Development of an Extension of the Guidelines International Network–McMaster Guideline Development Checklist

Psychological interventions for reducing anxiety in patients undergoing first-time colonoscopy: a pilot and feasibility study.

Patients’ Experiences and Challenges in Living with Inflammatory Bowel Disease: A Qualitative Approach

Collaborators (12)

Peter Kahrilas

Ronnie Fass

Grigorios Leontiadis

Jan Adolfsson

Brendan Delaney

Harminder Singh

Yuhong Yuan

C. Prakash Gyawali

Paul Moayyedi

Qiyin Fang

John Marshall

Maria Ines Pinto-Sanchez

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