Publications by authors named "Lars Karlsen"

Claim this Profile
O
Optimizing serum adalimumab levels in maintenance therapy via proactive therapeutic drug monitoring improves markers of disease activity in Crohn's disease.
Arne Carlsen, Øyvind Steinsbø, Jan Terje Kvaløy, Lars Aabakken, Nils Bolstad, Lars Karlsen

Scand J Gastroenterol· December 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
F
Fecal Calprotectin Correlates With Disease Extent but Remains a Reliable Marker of Mucosal Healing in Ulcerative Colitis.
Øyvind Steinsbø, Ole Gunnar Aasprong, Lars Aabakken, Lars Normann Karlsen, Tore Grimstad

Am J Gastroenterol· November 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
M
Malpractice and compensation claims for acute pancreatitis in Norway: characteristics of claimants, claim-rates, outcomes and indemnity compensation.
Kjetil Søreide, Jannicke Horjen Møller, Kristian Strand, Annbjørg Hegelstad Søreide, Solveig Hodne, Lars N Karlsen

Scand J Gastroenterol· October 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
F
Fatigue in Inflammatory Bowel Disease: No Effect of Serum Concentrations of Infliximab, Adalimumab or Anti-Drug Antibodies During Maintenance Therapy.
Tore Grimstad, Arne Carlsen, Jan Terje Kvaløy, Nils Bolstad, David John Warren, Lars Karlsen

Scand J Immunol· May 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Clinical trial: An open-label, randomised trial of different re-start strategies after treatment withdrawal in HBeAg negative chronic hepatitis B.
Asgeir Johannessen, Dag Henrik Reikvam, Soo Aleman, Nega Berhe, Nina Weis, Lars Normann Karlsen

Aliment Pharmacol Ther· August 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A young man with acute abdomen and anaemia.
Marcus T T Roalsø, Lars Karlsen, Petr Buchmann, Einar Haukås, Kjetil Søreide

Tidsskr Nor Laegeforen· June 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
T
The influence of disease activity on fatigue in patients with ulcerative colitis - a longitudinal study.
Tore Grimstad, Berit M Skjellerudsveen, Jan Terje Kvaløy, Inger Marie Skoie, Arne Carlsen, Lars N Karlsen

Scand J Gastroenterol· March 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
T
The overriding role of surgery and tumor grade for long-term survival in patients with gastroenteropancreatic neuroendocrine neoplasms: A population-based cohort study.
Jon Arne Søreide, Jan Terje Kvaløy, Dordi Lea, Oddvar M Sandvik, Mohammed Al-Saiddi, Lars N Karlsen

Cancer Rep (Hoboken)· February 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
[
[Diagnosis and treatment of autoimmune hepatitis].
Mette Vesterhus, Kristine Wiencke, John Willy Haukeland, Svein Oskar Frigstad, Lars Normann Karlsen

Tidsskr Nor Laegeforen· June 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Effect of Therapeutic Drug Monitoring vs Standard Therapy During Infliximab Induction on Disease Remission in Patients With Chronic Immune-Mediated Inflammatory Diseases: A Randomized Clinical Trial.
Silje Watterdal Syversen, Guro Løvik Goll, Kristin Kaasen Jørgensen, Øystein Sandanger, Joseph Sexton, Lars Normann Karlsen

JAMA· May 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
D
Determination of lower cut-off levels of adalimumab associated with biochemical remission in Crohn's disease.
Arne Carlsen, Roald Omdal, Lars Karlsen, Jan Terje Kvaløy, Lars Aabakken

JGH Open· June 2020

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A case of Ménétriere´s disease treated with the monoclonal antibody cetuximab.
Arne Carlsen, Tore Bjørn Grimstad, Lars Normann Karlsen, Ole Jacob Greve, Katrine Brække Norheim

Clin J Gastroenterol· December 2019

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Endoscopic retrograde cholangiopancreatography (ERCP): lessons learned from population-based national registries: a systematic review.
Jon Arne Søreide, Lars Normann Karlsen, Gabriel Sandblom, Lars Enochsson

Surg Endosc· June 2019

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Palliative surgical outcome score (PSOS) in patients treated palliatively with self-expanding metal stent (SEMS) for malignant incurable colorectal obstruction.
Jon Arne Søreide, Tore Tholfsen, Lars Normann Karlsen, Jan Terje Kvaløy, Hartwig Kørner

Surg Oncol· June 2019

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
M
Medical management of fistulising Crohn's disease.
Tore Grimstad, Arne Carlsen, Lars N Karlsen

Tidsskr Nor Laegeforen· January 2019

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
S
Subtherapeutic concentrations of infliximab and adalimumab are associated with increased disease activity in Crohn's disease.
Arne Carlsen, Roald Omdal, Kristian Øgreid Leitao, Kjetil Isaksen, Anne Kristine Hetta, Lars Normann Karlsen

Therap Adv Gastroenterol· March 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Intramural gastric pseudocyst: A case report and a comprehensive literature review.
Jon Arne Søreide, Mohammed S S Al-Saiddi, Lars Normann Karlsen

Medicine (Baltimore)· December 2017

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
S
Sofosbuvir based treatment of chronic hepatitis C genotype 3 infections-A Scandinavian real-life study.
Olav Dalgard, Ola Weiland, Geir Noraberg, Lars Karlsen, Lars Heggelund

PLoS One· September 2017

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
T
TWEAK is not elevated in patients with newly diagnosed inflammatory bowel disease.
Tore Grimstad, Inger Marie Skoie, Jessica Doerner, Kjetil Isaksen, Lars Karlsen

Scand J Gastroenterol· April 2017

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Conventional treatment regimens for ulcerative colitis alleviate fatigue - an observational cohort study.
Tore Grimstad, Katrine B Norheim, Jan Terje Kvaløy, Kjetil Isaksen, Kristian Leitao, Lars N Karlsen

Scand J Gastroenterol· October 2016

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
H
Hepatitis C reinfection after sustained virological response.
Håvard Midgard, Benedikte Bjøro, Arild Mæland, Zbigniew Konopski, Hege Kileng, Lars N Karlsen

J Hepatol· May 2016

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
H
Hepatitis C treatment at three Norwegian hospitals 2000-2011.
Kjetil Isaksen, Lars Aabakken, Tore Grimstad, Lars Karlsen, Per Kristian Sandvei

Tidsskr Nor Laegeforen· December 2015

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
F
Fatigue in Newly Diagnosed Inflammatory Bowel Disease.
Tore Grimstad, Katrine B Norheim, Kjetil Isaksen, Kristian Leitao, Anne K Hetta, Lars N Karlsen

J Crohns Colitis· September 2015

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Polyethylene glycol vs sodium picosulfate/magnesium citrate for colonoscopy preparation.
Kristian Leitao, Tore Grimstad, Michael Bretthauer, Øyvind Holme, Vemund Paulsen, Lars Karlsen

Endosc Int Open· December 2014

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Consecutive fecal calprotectin measurements to predict relapse in patients with ulcerative colitis receiving infliximab maintenance therapy.
Martine De Vos, Edouard J Louis, Jørgen Jahnsen, Jo G P Vandervoort, Maja Noman, Lars Normann Karlsen

Inflamm Bowel Dis· September 2013

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis