Ola Olen
Stockholm, AB, Sweden
Last Updated: 09/26/2026
Save publications for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Found 222 publications
Reply to "Concern Regarding Events-per-Variable Ratio in Persistence Analysis".
Journal: Gastroenterology
Published: July 21, 2026
Prior exposure to advanced therapy and timing of discontinuation and risk of serious infections in patients with inflammatory bowel disease initiating a new advanced therapy.
Journal: Journal of Crohn's & colitis
Published: June 30, 2026
Serious infections in patients with inflammatory bowel disease and corticosteroids: A propensity score-matched study.
Journal: Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association
Published: April 01, 2026
Cancer Risk with Advanced Therapies in Patients with Inflammatory Bowel Diseases: An Administrative Claims-based Study.
Journal: Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association
Published: March 27, 2026
Risk of serious infections in patients with inflammatory bowel disease treated with biologic and small molecule therapies: a nationwide cohort study.
Journal: Journal of Crohn's & colitis
Published: December 15, 2025
Modified Crohn's Disease Exclusion Diet and exclusive enteral nutrition (EEN) resolve oral dysbiosis in pediatric Crohn's disease: a prospective cohort study.
Journal: Inflammatory bowel diseases
Published: December 15, 2025
Psychiatric disorders before and after inflammatory bowel disease diagnosis: a nationwide cohort study in Sweden 2007-2023.
Journal: Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association
Published: December 08, 2025
Impact of Family History on Colorectal Cancer Risk in Inflammatory Bowel Disease and in Matched General Population Comparators.
Journal: Gastroenterology
Published: December 05, 2025
Apples and oranges? Comparison of early ileocolic resection and medical treatment for Crohn's disease: a systematic review and meta-analysis.
Journal: Journal of Crohn's & colitis
Published: November 29, 2025
Absolute risk of malignancy by treatment in patients with Crohn's disease compared to the general population: a nationwide population-based cohort study.
Journal: The American journal of gastroenterology
Published: November 15, 2025
Absolute Risk of Malignancy by Treatment in Patients With Crohn's Disease Compared with the General Population: A Nationwide Population-Based Cohort Study.
Journal: The American journal of gastroenterology
Published: November 15, 2025
Adolescent Risk Factors for the Presence and Persistence of Irritable Bowel Syndrome in Young Adulthood-Findings From a Prospective Birth Cohort.
Journal: Gastroenterology
Published: October 29, 2025
Last Updated: 09/26/2026