Jan Nielsen

25PUBLICATIONS
26CO-AUTHORS
Predictive and prognostic markersObstetrics and gynaecologyMajor global burdens of diseaseRheumatology and arthritisPharmacogenomics
Featured researcher

Get your video featured.

JoVEPublish with JoVE
Journal

Publications (25)

|May 31, 2026
Chronic opioid use and the risk of infections and death in patients with inflammatory bowel disease: a nationwide cohort study based on real-world data.

|May 10, 2026
Repeated opioid use during pregnancy in women with inflammatory bowel disease: prevalence and impact on birth outcomes in Denmark.

|Jan 20, 2026
The Prevalence of Chronic Opioid Use in Patients With Inflammatory Bowel Disease: A Nationwide Danish Register-Based Study Over a 25-Year Period of Time.

Jennifer Youn, Jan Nielsen, Erantis Sørensen

|Nov 14, 2025
Association of Spondyloarthritis With Chronic Opioid Use in Inflammatory Bowel Disease: A Nationwide Danish Cohort Study.

Rahul S Dalal, Kevin Erichsen Zeiss, Jan Nielsen

|Oct 22, 2025
The persistence of chronic opioid use in patients with inflammatory bowel disease-A nationwide cohort study.

Bente Mertz Nørgård, Caroline Theilgaard Thorarinsson, Jan Nielsen

|Jul 07, 2025
The prevalence of polypharmacy increases with age among patients with inflammatory bowel disease: A nationwide cohort study.

Ken Lund, Jesper Ryg, Torben Knudsen

Pageof 5

Frequent Collaborators

25 joint publications

Bente Mertz Nørgård

14 joint publications

Jens Kjeldsen

12 joint publications

Torben Knudsen

11 joint publications

Sonia Friedman