Margarita I. Pizarro

Santiago, RM, Chile

Last Updated: 09/26/2026

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Found 38 publications

Hope Hp-GC Project-Program Implementation for Primary and Secondary Prevention of Gastric Cancer in Latin America.

Hope Hp-GC Project-Program Implementation for Primary and Secondary Prevention of Gastric Cancer in Latin America.

Journal: Helicobacter

Published: December 08, 2025

Individuals and Family-Screen-to-Treat-Based Helicobacter pylori Eradication Strategy for Gastric Cancer Prevention: A Latin American Perspective.

Individuals and Family-Screen-to-Treat-Based Helicobacter pylori Eradication Strategy for Gastric Cancer Prevention: A Latin American Perspective.

Journal: Helicobacter

Published: June 29, 2025

Comparison between optimized bismuth quadruple therapy and standard clarithromycin-based triple therapy for first-line Helicobacter pylori eradication: a double-blind randomized controlled trial.

Comparison between optimized bismuth quadruple therapy and standard clarithromycin-based triple therapy for first-line Helicobacter pylori eradication: a double-blind randomized controlled trial.

Journal: Lancet regional health. Americas

Published: January 15, 2025

Comparison of OLGA and OLGIM as predictors of gastric cancer in a Latin American population: the ECHOS Study.

Comparison of OLGA and OLGIM as predictors of gastric cancer in a Latin American population: the ECHOS Study.

Journal: Gut

Published: September 02, 2023

Utility Values of Health Status in Gastric Cancer: A Systematic Review.

Utility Values of Health Status in Gastric Cancer: A Systematic Review.

Journal: Value in health regional issues

Published: June 28, 2023

Barriers for research activities in residency programs: A mix-methods study.

Barriers for research activities in residency programs: A mix-methods study.

Journal: Medwave

Published: January 18, 2023

Implementation of the updated Sydney system biopsy protocol improves the diagnostic yield of gastric preneoplastic conditions: Results from a real-world study.

Implementation of the updated Sydney system biopsy protocol improves the diagnostic yield of gastric preneoplastic conditions: Results from a real-world study.

Journal: Gastroenterologia y hepatologia

Published: December 07, 2022

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Journal: Acta gastroenterologica Latinoamericana

Published: August 23, 2022

Diagnostic Methods for the Detection of Helicobacter Pylori Infection: Which and When to Order?

Diagnostic Methods for the Detection of Helicobacter Pylori Infection: Which and When to Order?

Journal: Acta gastroenterologica Latinoamericana

Published: February 04, 2022

Evaluation of trefoil factor 3 as a non-invasive biomarker of gastric intestinal metaplasia and gastric cancer in a high-risk population.

Evaluation of trefoil factor 3 as a non-invasive biomarker of gastric intestinal metaplasia and gastric cancer in a high-risk population.

Journal: Gastroenterologia y hepatologia

Published: December 24, 2021

Quadruple therapies are superior to standard triple therapy for Helicobacter pylori first-line eradication in Chile.

Quadruple therapies are superior to standard triple therapy for Helicobacter pylori first-line eradication in Chile.

Journal: Gastroenterologia y hepatologia

Published: July 28, 2021

High prevalence of SARS-CoV-2 detection and prolonged viral shedding in stools: A systematic review and cohort study.

High prevalence of SARS-CoV-2 detection and prolonged viral shedding in stools: A systematic review and cohort study.

Journal: Gastroenterologia y hepatologia

Published: June 03, 2021

Showing 1-12 of 38

Last Updated: 09/26/2026