Jens Kjeldsen

Scopus Author ID ORCID

Publication Activity (10 Years)

Years Active: 2019-2024
Publications (10 Years): 39

Top Venues

BMJ open

Journal of Crohn's & colitis

Alimentary pharmacology & therapeutics

Inflammatory bowel diseases

Odense Universitetshospital

This page only lists publications with an associated author ORCID identifier.

Affiliation History

Odense Universitetshospital

Denmark

Professor, Consultant, Ph.D :: Department of Medical Gstroenterology

Publications

Bente Mertz Nørgård, Caroline Thingholm Thorarinsson, Floor Dijkstra Zegers, Jens Kjeldsen, Rahul S Dalal, Ken Lund, Torben Knudsen
The use of opioids nine months after surgery for Crohn's disease - a nationwide cohort study. Alimentary pharmacology & therapeutics 60 (1) (2024)
Maja Graves Rosenkilde Larsen, Silja Hvid Overgaard, Sofie Ronja Petersen, Karen Mai Møllegaard, Heidi Lausten Munk, Anders Bathum Nexøe, Henning Glerup, Tanja Guldmann, Natalia Pedersen, Sanaz Saboori, Jens Frederik Dahlerup, Christian Lodberg Hvas, Karina Winther Andersen, Mohamad Jawhara, Ole Haagen Nielsen, Fredrik Olof Bergenheim, Jacob Broder Brodersen, Anette Bygum, Torkell J Ellingsen, Jens Kjeldsen, Robin Christensen, Vibeke Andersen
Effects of smoking on clinical treatment outcomes amongst patients with chronic inflammatory diseases initiating biologics: secondary analyses of the prospective BELIEVE cohort study. Scandinavian journal of immunology 100 (3) (2024)
Anja Fejrskov, Johannes David Füchtbauer, Lóa G Davíðsdóttir, Jonas Halfvarson, Marte Lie Høivik, Michael Dam Jensen, Joachim Høg Mortensen, Lene Nyholm Nielsen, Martin Rejler, Dirk Repsilber, Johan D Söderholm, Claus Aalykke, Vibeke Andersen, Robin Christensen, Jens Kjeldsen
Novel biomarker profiles to improve individual diagnosis and prognosis in patients with suspected inflammatory bowel disease: protocol for the Nordic inception cohort study (NORDTREAT). BMJ open 14 (5) (2024)
Jacob Broder Brodersen, Jens Kjeldsen, Mie Agerbæk Juel, Torben Knudsen, Søren Rafael Rafaelsen, Michael Dam Jensen
Changes in endoscopic activity and classification of lesions with panenteric capsule endoscopy in patients treated for Crohn's disease - a prospective blinded comparison with ileocolonoscopy, faecal calprotectin and C-reactive protein. Journal of Crohn's & colitis (2024)
Sonia Friedman, Jan Nielsen, Niels Qvist, Torben Knudsen, Jens Kjeldsen, Anne-Sofie Sønnichsen-Dreehsen, Bente Mertz Nørgård
Does surgery prior to pregnancy in women with inflammatory bowel disease increase the risk of adverse maternal and fetal outcomes? A Danish national cohort study. The American journal of gastroenterology (2024)
Sabrina Just Kousgaard, Frederik Cold, Sofie Ingdam Halkjær, Andreas Munk Petersen, Jens Kjeldsen, Jane Møller Hansen, Sebastian Mølvang Dall, Mads Albertsen, Hans Linde Nielsen, Karina Frahm Kirk, Kirsten Duch, Mads Sønderkær, Ole Thorlacius-Ussing
The effect of non-pooled multi-donor faecal microbiota transplantation for inducing clinical remission in patients with chronic pouchitis: Results from a multicentre randomised double-blinded placebo-controlled trial (MicroPouch). Journal of Crohn's & colitis (2024)
Martin Rejler, Johannes David Füchtbauer, Lóa G Davíðsdóttir, Anja Fejrskov, Johan D Söderholm, Robin Christensen, Vibeke Andersen, Dirk Repsilber, Jens Kjeldsen, Marte Høivik, Jonas Halfvarson
Nordic inflammatory bowel disease treatment strategy trial: protocol for the NORDTREAT randomised controlled biomarker-strategy trial. BMJ open 14 (7) (2024)
Bente Mertz Nørgård, Caroline Thingholm Thorarinsson, Floor Dijkstra Zegers, Jens Kjeldsen, Rahul S Dalal, Ken Lund, Torben Knudsen
The use of opioids nine months after surgery for Crohn's disease - a nationwide cohort study. Alimentary pharmacology & therapeutics 60 (1) (2024)
Maja Skov Kragsnaes, Jennifer Rugaard Bregndahl Jensen, Anna Christine Nilsson, Muhammad Irfan Malik, Heidi Lausten Munk, Jens Kristian Pedersen, Hans Christian Horn, Mogens Kruhøffer, Karsten Kristiansen, Benjamin Harvey Mullish, Julian R Marchesi, Jens Kjeldsen, Richard Röttger, Torkell J Ellingsen
Dynamics of inflammation-associated plasma proteins following faecal microbiota transplantation in patients with psoriatic arthritis and healthy controls: exploratory findings from the FLORA trial. RMD open 10 (1) (2024)
Bente Mertz Nørgård, Caroline Thingholm Thorarinsson, Floor Dijkstra Zegers, Jens Kjeldsen, Rahul S Dalal, Ken Lund, Torben Knudsen
The use of opioids nine months after surgery for Crohn's disease - a nationwide cohort study. Alimentary pharmacology & therapeutics 60 (1) (2024)
Martin Rejler, Johannes David Füchtbauer, Lóa G Davíðsdóttir, Anja Fejrskov, Johan D Söderholm, Robin Christensen, Vibeke Andersen, Dirk Repsilber, Jens Kjeldsen, Marte Høivik, Jonas Halfvarson
Nordic inflammatory bowel disease treatment strategy trial: protocol for the NORDTREAT randomised controlled biomarker-strategy trial. BMJ open 14 (7) (2024)
Kim Oren Gradel, Bente Mertz Nørgård, Sonia Friedman, Jens Kjeldsen, Michael Due Larsen
Longitudinal Measurements of Blood Biomarkers in Patients with Crohn's Disease or Ulcerative Colitis Treated with Infliximab: Only the Latest Values in the Induction Period Predict Treatment Failure. Journal of clinical medicine 13 (4) (2024)
Anja Fejrskov, Johannes David Füchtbauer, Lóa G Davíðsdóttir, Jonas Halfvarson, Marte Lie Høivik, Michael Dam Jensen, Joachim Høg Mortensen, Lene Nyholm Nielsen, Martin Rejler, Dirk Repsilber, Johan D Söderholm, Claus Aalykke, Vibeke Andersen, Robin Christensen, Jens Kjeldsen
Novel biomarker profiles to improve individual diagnosis and prognosis in patients with suspected inflammatory bowel disease: protocol for the Nordic inception cohort study (NORDTREAT). BMJ open 14 (5) (2024)
Anja Fejrskov, Johannes David Füchtbauer, Lóa G Davíðsdóttir, Jonas Halfvarson, Marte Lie Høivik, Michael Dam Jensen, Joachim Høg Mortensen, Lene Nyholm Nielsen, Martin Rejler, Dirk Repsilber, Johan D Söderholm, Claus Aalykke, Vibeke Andersen, Robin Christensen, Jens Kjeldsen
Novel biomarker profiles to improve individual diagnosis and prognosis in patients with suspected inflammatory bowel disease: protocol for the Nordic inception cohort study (NORDTREAT). BMJ open 14 (5) (2024)
Maja Skov Kragsnaes, Jennifer Rugaard Bregndahl Jensen, Anna Christine Nilsson, Muhammad Irfan Malik, Heidi Lausten Munk, Jens Kristian Pedersen, Hans Christian Horn, Mogens Kruhøffer, Karsten Kristiansen, Benjamin Harvey Mullish, Julian R Marchesi, Jens Kjeldsen, Richard Röttger, Torkell J Ellingsen
Dynamics of inflammation-associated plasma proteins following faecal microbiota transplantation in patients with psoriatic arthritis and healthy controls: exploratory findings from the FLORA trial. RMD open 10 (1) (2024)
Maja Graves Rosenkilde Larsen, Silja Hvid Overgaard, Sofie Ronja Petersen, Karen Mai Møllegaard, Heidi Lausten Munk, Anders Bathum Nexøe, Henning Glerup, Tanja Guldmann, Natalia Pedersen, Sanaz Saboori, Jens Frederik Dahlerup, Christian Lodberg Hvas, Karina Winther Andersen, Mohamad Jawhara, Ole Haagen Nielsen, Fredrik Olof Bergenheim, Jacob Broder Brodersen, Anette Bygum, Torkell J Ellingsen, Jens Kjeldsen, Robin Christensen, Vibeke Andersen
Effects of smoking on clinical treatment outcomes amongst patients with chronic inflammatory diseases initiating biologics: secondary analyses of the prospective BELIEVE cohort study. Scandinavian journal of immunology (2024)
Bente Mertz Nørgård, Olav Sivertsen Garvik, Floor Dijkstra Zegers, Jan Nielsen, Ken Lund, Torben Knudsen, Jens Kjeldsen
New surgery and hospital-diagnosed infections in elderly patients with inflammatory bowel disease undergoing surgery - a nationwide cohort study. Journal of Crohn's & colitis (2024)
Sabrina Just Kousgaard, Frederik Cold, Sofie Ingdam Halkjær, Andreas Munk Petersen, Jens Kjeldsen, Jane Møller Hansen, Sebastian Mølvang Dall, Mads Albertsen, Hans Linde Nielsen, Karina Frahm Kirk, Kirsten Duch, Mads Sønderkær, Ole Thorlacius-Ussing
The effect of non-pooled multi-donor faecal microbiota transplantation for inducing clinical remission in patients with chronic pouchitis: Results from a multicentre randomised double-blinded placebo-controlled trial (MicroPouch). Journal of Crohn's & colitis (2024)
Maja Skov Kragsnaes, Jennifer Rugaard Bregndahl Jensen, Anna Christine Nilsson, Muhammad Irfan Malik, Heidi Lausten Munk, Jens Kristian Pedersen, Hans Christian Horn, Mogens Kruhøffer, Karsten Kristiansen, Benjamin Harvey Mullish, Julian R Marchesi, Jens Kjeldsen, Richard Röttger, Torkell J Ellingsen
Dynamics of inflammation-associated plasma proteins following faecal microbiota transplantation in patients with psoriatic arthritis and healthy controls: exploratory findings from the FLORA trial. RMD open 10 (1) (2024)
Sonia Friedman, Jan Nielsen, Niels Qvist, Torben Knudsen, Jens Kjeldsen, Anne-Sofie Sønnichsen-Dreehsen, Bente Mertz Nørgård
Does Surgery Before Pregnancy in Women With Inflammatory Bowel Disease Increase the Risk of Adverse Maternal and Fetal Outcomes? A Danish National Cohort Study. The American journal of gastroenterology (2024)
Bente Mertz Nørgård, Olav Sivertsen Garvik, Floor Dijkstra Zegers, Jan Nielsen, Ken Lund, Torben Knudsen, Jens Kjeldsen
New Surgery and Hospital-diagnosed Infections in Elderly Patients with Inflammatory Bowel Disease Undergoing Surgery: A Nationwide Cohort Study. Journal of Crohn's & colitis 18 (9) (2024)
Bente Mertz Nørgård, Caroline Thingholm Thorarinsson, Floor Dijkstra Zegers, Jens Kjeldsen, Rahul S Dalal, Ken Lund, Torben Knudsen
The use of opioids nine months after surgery for Crohn's disease - a nationwide cohort study. Alimentary pharmacology & therapeutics (2024)
Martin Rejler, Johannes David Füchtbauer, Lóa G Davíðsdóttir, Anja Fejrskov, Johan D Söderholm, Robin Christensen, Vibeke Andersen, Dirk Repsilber, Jens Kjeldsen, Marte Høivik, Jonas Halfvarson
Nordic inflammatory bowel disease treatment strategy trial: protocol for the NORDTREAT randomised controlled biomarker-strategy trial. BMJ open 14 (7) (2024)
Kim Oren Gradel, Bente Mertz Nørgård, Sonia Friedman, Jens Kjeldsen, Michael Due Larsen
Longitudinal Measurements of Blood Biomarkers in Patients with Crohn's Disease or Ulcerative Colitis Treated with Infliximab: Only the Latest Values in the Induction Period Predict Treatment Failure. Journal of clinical medicine 13 (4) (2024)
Bente Mertz Nørgård, Floor Dijkstra Zegers, Torben Knudsen, Jens Kjeldsen, Ken Lund, Jacob Broder Brodersen, Jan Nielsen
Patients with elderly onset inflammatory bowel disease have a decreased chance of initiation of all types of medications and increased risk of surgeries-A nationwide cohort study. Alimentary pharmacology & therapeutics (2023)
Rahul S Dalal, Bente Mertz Nørgård, Floor Dijkstra Zegers, Jens Kjeldsen, Sonia Friedman, Jessica R Allegretti, Ken Lund
Older Adult-Onset of Inflammatory Bowel Diseases is Associated With Higher Utilization of Analgesics: A Nationwide Cohort Study. The American journal of gastroenterology (2023)
Ken Lund, Floor Dijkstra Zegers, Jan Nielsen, Jacob Broder Brodersen, Torben Knudsen, Jens Kjeldsen, Michael Due Larsen, Bente Mertz Nørgård
Inflammatory Bowel Disease in Adults and Elderly: The Use of Selected Non-IBD Medication Examined in a Nationwide Cohort Study. Inflammatory bowel diseases (2023)
Jacob Broder Brodersen, Michael Dam Jensen, Romain Leenhardt, Jens Kjeldsen, Aymeric Histace, Torben Knudsen, Xavier Dray
Artificial intelligence-assisted analysis of pan-enteric capsule endoscopy in patients with suspected Crohn's disease. A study on diagnostic performance. Journal of Crohn's & colitis (2023)
Janni Petersen Fallesen, Marie Louise Krogh, Lisbeth Rosenbek Minet, Mette Maria Skjoeth, Torben Knudsen, Jens Kjeldsen
Needs assessment in patients with inflammatory bowel disease in the encounter and communication with healthcare professionals: A fieldwork study. Journal of clinical nursing (2023)
Bente Mertz Nørgård, Floor Dijkstra Zegers, Jan Nielsen, Torben Knudsen, Jens Kjeldsen
COVID-19 Does Not Lead to an Increase in Corticosteroid Prescriptions in IBD Patients: A Nationwide Cohort Study. Inflammatory bowel diseases (2023)
Michael Due Larsen, Bente Mertz Nørgård, Jens Kjeldsen
Does Disease Activity After Induction Treatment With Biologics Predict Short-Term Outcome in Crohn's Disease and Ulcerative Colitis? Inflammatory bowel diseases 28 (11) (2022)
Ken Lund, Michael Due Larsen, Torben Knudsen, Jens Kjeldsen, Rasmus Gaardskær Nielsen, Soren Brage, Bente Mertz Nørgård
Physical activity measured by accelerometry in paediatric and young adult patients with inflammatory bowel disease. BMC gastroenterology 22 (1) (2022)
Maarten J Wensink, Sarah E Streett, Per Damkier, Rune Lindahl-Jacobsen, Jens Kjeldsen, Michael L Eisenberg
Balsalazide Exposure During the Development of Fertilizing Sperm May Be Associated With Offspring Birth Defects. Inflammatory bowel diseases 28 (10) (2022)
Bente Mertz Nørgård, Floor Dijkstra Zegers, Claus Bogh Juhl, Jens Kjeldsen, Jan Nielsen
Diabetes mellitus and the risk of post-acute COVID-19 hospitalizations-a nationwide cohort study. Diabetic medicine : a journal of the British Diabetic Association (2022)
Maja Skov Kragsnaes, Jens Kjeldsen, Hans Christian Horn, Heidi Lausten Munk, Jens Kristian Pedersen, Søren Andreas Just, Palle Ahlquist, Jesper Rømhild Davidsen, Anna Christine Nilsson, Richard Röttger, Mogens Kruhøffer, Julian R Marchesi, Karsten Kristiansen, Robin Christensen, Torkell J Ellingsen
Response to: 'Correspondence on 'Safety and efficacy of faecal microbiota transplantation for active peripheral psoriatic arthritis: an exploratory randomised placebo-controlled trial'' by McGonagle et al. Annals of the rheumatic diseases (2021)
Simon Kjeldsen, Jan Nielsen, Bente Mertz Nørgård, Jens Kjeldsen
Mesalazine in Inflammatory Bowel Disease and COVID-19: Hospitalization and Adverse In-Hospital Outcomes Based on Nationwide Data. Inflammatory bowel diseases (2021)
Maja Skov Kragsnaes, Jens Kjeldsen, Hans Christian Horn, Heidi Lausten Munk, Jens Kristian Pedersen, Søren Andreas Just, Palle Ahlquist, Finn Moeller Pedersen, Maarten P T de Wit, Sören Möller, Vibeke Andersen, Karsten Kristiansen, Dorte K Holm, Hanne Marie Holt, Robin Christensen, Torkell J Ellingsen
Safety and efficacy of faecal microbiota transplantation for active peripheral psoriatic arthritis: an exploratory randomised placebo-controlled trial. Annals of the rheumatic diseases 80 (9) (2021)
Maja Skov Kragsnaes, Shaun Theodor Sødergren, Jens Kjeldsen, Hans Christian Horn, Heidi Lausten Munk, Jens Kristian Pedersen, Camilla Schufri Klinkby, Maarten P T de Wit, Nanna Gram Ahlmark, Tine Tjørnhøj-Thomsen, Torkell J Ellingsen
Experiences and perceptions of patients with psoriatic arthritis participating in a trial of faecal microbiota transplantation: a nested qualitative study. BMJ open 11 (3) (2021)
Ken Lund, Michael Due Larsen, Torben Knudsen, Jens Kjeldsen, Rasmus Gaardskjaer Nielsen, Bente Mertz Nørgård
The impact of anti-TNFα therapy on colectomy rates and corticosteroid treatment among 3001 paediatric and adolescent patients with ulcerative colitis-a nationwide study from 1995 to 2015. Alimentary pharmacology & therapeutics 50 (10) (2019)

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Publication Activity (10 Years)

Top Topics

Top Venues

Jens Kjeldsen