Nicola F. Frei

Sankt Gallen, SG, Switzerland

Last Updated: 09/26/2026

Save publications for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Found 22 publications

Improving risk stratification in Barrett's esophagus - time to teach an old dog new tricks.

Improving risk stratification in Barrett's esophagus - time to teach an old dog new tricks.

Journal: Endoscopy
Published: July 20, 2026

Anti-Integrin αvβ6 Autoantibodies Distinguish Ulcerative Colitis From Crohn's Disease With High Diagnostic Accuracy and Outperform ANCA and ASCA Status: A Prospective Cross-Sectional Study.

Anti-Integrin αvβ6 Autoantibodies Distinguish Ulcerative Colitis From Crohn's Disease With High Diagnostic Accuracy and Outperform ANCA and ASCA Status: A Prospective Cross-Sectional Study.

Journal: Alimentary pharmacology & therapeutics
Published: June 12, 2026

XBB.1.5 COVID-19 mRNA Vaccines Induce Inadequate Mucosal Immunity in Patients with Inflammatory Bowel Disease.

XBB.1.5 COVID-19 mRNA Vaccines Induce Inadequate Mucosal Immunity in Patients with Inflammatory Bowel Disease.

Journal: Vaccines
Published: May 24, 2025

STAR LIGHT Study: XBB.1.5 COVID-19 mRNA Vaccines Boost Systemic but Not Mucosal Immunity Against the SARS-CoV-2 JN.1 Variant in Patients with Chronic Liver Disease.

STAR LIGHT Study: XBB.1.5 COVID-19 mRNA Vaccines Boost Systemic but Not Mucosal Immunity Against the SARS-CoV-2 JN.1 Variant in Patients with Chronic Liver Disease.

Journal: Vaccines
Published: October 02, 2024

First Description of Upadacitinib as Treatment for Collagenous Colitis with a Concomitant Lymphocytic Disorder of the Upper Gastrointestinal Tract.

First Description of Upadacitinib as Treatment for Collagenous Colitis with a Concomitant Lymphocytic Disorder of the Upper Gastrointestinal Tract.

Journal: Case reports in gastroenterology
Published: September 02, 2024

XBB.1.5-Adapted COVID-19 mRNA Vaccines but Not Infections With Previous Omicron Variants Boost Neutralisation Against the SARS-CoV-2 JN.1 Variant in Patients With Inflammatory Bowel Disease.

XBB.1.5-Adapted COVID-19 mRNA Vaccines but Not Infections With Previous Omicron Variants Boost Neutralisation Against the SARS-CoV-2 JN.1 Variant in Patients With Inflammatory Bowel Disease.

Journal: Alimentary pharmacology & therapeutics
Published: August 28, 2024

Systemic and Mucosal Immunogenicity of Monovalent XBB.1.5-Adapted COVID-19 mRNA Vaccines in Patients with Inflammatory Bowel Disease.

Systemic and Mucosal Immunogenicity of Monovalent XBB.1.5-Adapted COVID-19 mRNA Vaccines in Patients with Inflammatory Bowel Disease.

Journal: Vaccines
Published: June 07, 2024

Feasibility Study Utilizing NanoString's Digital Spatial Profiling (DSP) Technology for Characterizing the Immune Microenvironment in Barrett's Esophagus Formalin-Fixed Paraffin-Embedded Tissues.

Feasibility Study Utilizing NanoString's Digital Spatial Profiling (DSP) Technology for Characterizing the Immune Microenvironment in Barrett's Esophagus Formalin-Fixed Paraffin-Embedded Tissues.

Journal: Cancers
Published: November 17, 2023

STAR SIGN study: Evaluation of COVID-19 vaccine efficacy against the SARS-CoV-2 variants BQ.1.1 and XBB.1.5 in patients with inflammatory bowel disease.

STAR SIGN study: Evaluation of COVID-19 vaccine efficacy against the SARS-CoV-2 variants BQ.1.1 and XBB.1.5 in patients with inflammatory bowel disease.

Journal: Alimentary pharmacology & therapeutics
Published: July 03, 2023

Degree of crypt atypia correlates with progression to high-grade dysplasia/adenocarcinoma in non-dysplastic Barrett's oesophagus.

Degree of crypt atypia correlates with progression to high-grade dysplasia/adenocarcinoma in non-dysplastic Barrett's oesophagus.

Journal: Histopathology
Published: March 24, 2023

An Automated Tissue Systems Pathology Test Can Standardize the Management and Improve Health Outcomes for Patients With Barrett's Esophagus.

An Automated Tissue Systems Pathology Test Can Standardize the Management and Improve Health Outcomes for Patients With Barrett's Esophagus.

Journal: The American journal of gastroenterology
Published: January 05, 2023

The Tissue Systems Pathology Test Outperforms Pathology Review in Risk Stratifying Patients With Low-Grade Dysplasia.

The Tissue Systems Pathology Test Outperforms Pathology Review in Risk Stratifying Patients With Low-Grade Dysplasia.

Journal: Gastroenterology
Published: October 19, 2022
Showing 1-12 of 22

Last Updated: 09/26/2026