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Helge L. Waldum

Norwegian University of Science and Technology · NO
Area of research
Surgery · Epidemiology
Research interest
Research interests include Helicobacter pylori-related gastroenterology studies, Neuroendocrine Tumor Research Advances, Gastroesophageal reflux and treatments, and Neuropeptides and Animal Physiology.
h-index
54
citations
11,199
works
505
NIH funding
primary concept
email

Recent publications

Conclusion that autoimmune gastritis does not predispose to gastric cancer is unproven.
2024cited by 10position: contributordoi
Gastric Malignancies in United States in the Period From 2000 to 2018
Clinical Gastroenterology and Hepatology 2024cited by 1position: contributordoi
Inflammation and Digestive Cancer.
2023cited by 24position: contributordoi
Proton Pump Inhibitors and Mortality
Gastroenterology 2023cited by 2position: contributordoi
Risk of gastric and oesophageal adenocarcinomas following discontinuation of long-term proton-pump inhibitor therapy.
2023cited by 0position: contributordoi
Gastritis, Gastric Polyps and Gastric Cancer.
2021cited by 91position: contributordoi
Hypergastrinemia is associated with an increased risk of gastric adenocarcinoma with proximal location: A prospective population-based nested case-control study.
2021cited by 14position: contributordoi
A Plasma Protein Biomarker Strategy for Detection of Small Intestinal Neuroendocrine Tumors.
2021cited by 11position: contributordoi
Pharmacokinetics of single and repeated oral doses of esomeprazole and gastrin elevation in healthy males and females.
2021cited by 7position: contributordoi
Time to Classify Tumours of the Stomach and the Kidneys According to Cell of Origin.
2021cited by 5position: contributordoi
Tumor Classification Should Be Based on Biology and Not Consensus: Re-Defining Tumors Based on Biology May Accelerate Progress, An Experience of Gastric Cancer.
2021cited by 4position: contributordoi
Chronic diseases: what about infections of virus and prions <i>via</i> the gut?
2021cited by 0position: contributordoi
Towards Understanding of Gastric Cancer Based upon Physiological Role of Gastrin and ECL Cells.
2020cited by 16position: contributordoi
Correct Identification of Cell of Origin May Explain Many Aspects of Cancer: The Role of Neuroendocrine Cells as Exemplified from the Stomach.
2020cited by 8position: contributordoi
The increase in early-onset gastric carcinomas from 1995 is probably due to the introduction of proton pump inhibitors.
2020cited by 6position: contributordoi
Gastrin drives gastric cancer due to oxyntic atrophy also after Helicobacter pylori eradication.
2020cited by 3position: contributordoi
Gastric Corpus Mucosal Hyperplasia and Neuroendocrine Cell Hyperplasia, but not Spasmolytic Polypeptide-Expressing Metaplasia, Is Prevented by a Gastrin Receptor Antagonist in H<sup>+</sup>/K<sup>+</sup>ATPase Beta Subunit Knockout Mice.
2020cited by 3position: contributordoi
Clinical consequences of controversies in gastric physiology.
2020cited by 0position: contributordoi
Reflections after 10 years as Editor, including 8 years as Editor-in-Chief in Scandinavian Journal of Gastroenterology.
2020cited by 0position: contributordoi
Adverse Effects of Proton Pump Inhibitors-Evidence and Plausibility.
2019cited by 107position: contributordoi
The Phylogeny and Biological Function of Gastric Juice-Microbiological Consequences of Removing Gastric Acid.
2019cited by 47position: contributordoi
Gastric cancer and gastrin: on the interaction of Helicobacter pylori gastritis and acid inhibitory induced hypergastrinemia.
2019cited by 29position: contributordoi
The Enterochromaffin-like [ECL] Cell-Central in Gastric Physiology and Pathology.
2019cited by 22position: contributordoi
Role of Autoimmune Gastritis in Gastric Cancer.
2019cited by 8position: contributordoi
Hepatic micrometastases outside macrometastases are present in all patients with ileal neuroendocrine primary tumour at the time of liver resection.
2019cited by 8position: contributordoi

Grants

No grants ingested yet.

Frequent collaborators

· 20 papers (2019–2024)Reidar Fossmark · Norwegian University of Science and Technology5 papers (2019–2023)Eivind Ness-Jensen · Imperial College London1 papers (2021–2021)Patricia Mjønes · Norwegian University of Science and Technology1 papers (2020–2020)Sveinbjörn Gizurarson · University of Copenhagen1 papers (2021–2021)Hólmfríður Helgadottir · Deaconess Hospital1 papers (2021–2021)Henning Grønbæk · Westmead Institute1 papers (2021–2021)Øystein F. Sørdal · NTNU Det Medisinske Fakultet DMF1 papers (2019–2019)Camilla Schalin‐Jäntti · ERN GUARD-Heart1 papers (2021–2021)Sigrun Helga Lund · deCODE Genetics (Iceland)1 papers (2021–2021)Jesper Lagergren · London Cancer1 papers (2021–2021) · 1 papers (2021–2021)Einar S. Björnsson · Charité - Universitätsmedizin Berlin1 papers (2021–2021)