Jørgen Valeur

  • MD, PhD
  • +47 909 35 831


  • MD University of Bergen (2004)
  • PhD University of Bergen (2010)

Current position:

  • Senior researcher, Unger-Vetlesen Institute, Lovisenberg Diaconal Hospital
  • Fellow of Gastroenterology, Department of Gastroenterology, Oslo University Hospital

Publications 2020

Berentsen B, Nagaraja BH, Teige EP, Lied GA, Lundervold AJ, Lundervold K, Steinsvik EK, Hillestad ER, Valeur J, Brønstad I, Gilja OH, Osnes B, Hatlebakk JG, Haász J, Labus J, Gupta A, Mayer EA, Benitez-Páez A, Sanz Y, Lundervold A, Hausken T (2020)
Study protocol of the Bergen brain-gut-microbiota-axis study: A prospective case-report characterization and dietary intervention study to evaluate the effects of microbiota alterations on cognition and anatomical and functional brain connectivity in patients with irritable bowel syndrome
Medicine (Baltimore), 99 (37), e21950
DOI 10.1097/MD.0000000000021950, PubMed 32925728

Birkeland E, Gharagozlian S, Birkeland KI, Valeur J, Måge I, Rud I, Aas AM (2020)
Prebiotic effect of inulin-type fructans on faecal microbiota and short-chain fatty acids in type 2 diabetes: a randomised controlled trial
Eur J Nutr, 59 (7), 3325-3338
DOI 10.1007/s00394-020-02282-5, PubMed 32440730

Birkeland E, Gharagozlian S, Birkeland KI, Valeur J, Måge I, Rud I, Aas AM (2020)
Correction to: Prebiotic effect of inulin‑type fructans on faecal microbiota and short‑chain fatty acids in type 2 diabetes: a randomised controlled trial
Eur J Nutr, 59 (7), 3339-3340
DOI 10.1007/s00394-020-02314-0, PubMed 32632657

El-Salhy M, Valeur J, Hausken T, Gunnar Hatlebakk J (2020)
Changes in fecal short-chain fatty acids following fecal microbiota transplantation in patients with irritable bowel syndrome
Neurogastroenterol Motil, 33 (2), e13983
DOI 10.1111/nmo.13983, PubMed 32945066

Farup PG, Valeur J (2020)
Changes in Faecal Short-Chain Fatty Acids after Weight-Loss Interventions in Subjects with Morbid Obesity
Nutrients, 12 (3)
DOI 10.3390/nu12030802, PubMed 32197409

Fretheim H, Chung BK, Didriksen H, Bækkevold ES, Midtvedt Ø, Brunborg C, Holm K, Valeur J, Tennøe AH, Garen T, Midtvedt T, Trøseid M, Zarè H, Lund MB, Hov JR, Lundin KEA, Molberg Ø, Hoffmann-Vold AM (2020)
Fecal microbiota transplantation in systemic sclerosis: A double-blind, placebo-controlled randomized pilot trial
PLoS One, 15 (5), e0232739
DOI 10.1371/journal.pone.0232739, PubMed 32437393

Steinsvik EK, Valeur J, Hausken T, Gilja OH (2020)
Postprandial Symptoms in Patients With Functional Dyspepsia and Irritable Bowel Syndrome: Relations to Ultrasound Measurements and Psychological Factors
J Neurogastroenterol Motil, 26 (1), 96-105
DOI 10.5056/jnm19072, PubMed 31917915

Publications 2019

Bjørkhaug ST, Aanes H, Neupane SP, Bramness JG, Malvik S, Henriksen C, Skar V, Medhus AW, Valeur J (2019)
Characterization of gut microbiota composition and functions in patients with chronic alcohol overconsumption
Gut Microbes, 10 (6), 663-675
DOI 10.1080/19490976.2019.1580097, PubMed 30894059

Bjørkhaug ST, Neupane SP, Bramness JG, Aanes H, Skar V, Medhus AW, Valeur J (2019)
Plasma cytokine levels in patients with chronic alcohol overconsumption: Relations to gut microbiota markers and clinical correlates
Alcohol, 85, 35-40
DOI 10.1016/j.alcohol.2019.10.002, PubMed 31610228

Dale HF, Jensen C, Hausken T, Valeur J, Hoff DAL, Lied GA (2019)
Effects of a Cod Protein Hydrolysate Supplement on Symptoms, Gut Integrity Markers and Fecal Fermentation in Patients with Irritable Bowel Syndrome
Nutrients, 11 (7)
DOI 10.3390/nu11071635, PubMed 31319590

Farup PG, Lydersen S, Valeur J (2019)
Are Nonnutritive Sweeteners Obesogenic? Associations between Diet, Faecal Microbiota, and Short-Chain Fatty Acids in Morbidly Obese Subjects
J Obes, 2019, 4608315
DOI 10.1155/2019/4608315, PubMed 31662903

Juul FE, Valeur J (2019)
Fecal transplantation and microbiome Reply
Tidsskr. Nor. Laegeforen., 139 (11), 1020

Juul FE, Valeur J (2019)
Intestinal flora treatment
Tidsskr. Nor. Laegeforen., 139 (9), 859

Juul FE, Valeur J (2019)
Kind bacteria do not exist
Tidsskr. Nor. Laegeforen., 139 (6), 504-505

Juul FE, Valeur J (2019)
F. E. Juul and J. Valeur respond
Tidsskr Nor Laegeforen, 139 (11)
DOI 10.4045/tidsskr.19.0446, PubMed 31429236

Juul FE, Valeur J (2019)
There is no such thing as good bacteria
Tidsskr Nor Laegeforen, 139 (6)
DOI 10.4045/tidsskr.19.0134, PubMed 30917646

Kristensen VA, Valeur J, Brackmann S, Jahnsen J, Brunborg C, Tveito K (2019)
Attention deficit and hyperactivity disorder symptoms respond to gluten-free diet in patients with coeliac disease
Scand J Gastroenterol, 54 (5), 571-576
DOI 10.1080/00365521.2019.1608467, PubMed 31050907

Mazzawi T, Hausken T, Hov JR, Valeur J, Sangnes DA, El-Salhy M, Gilja OH, Hatlebakk JG, Lied GA (2019)
Clinical response to fecal microbiota transplantation in patients with diarrhea-predominant irritable bowel syndrome is associated with normalization of fecal microbiota composition and short-chain fatty acid levels
Scand J Gastroenterol, 54 (6), 690-699
DOI 10.1080/00365521.2019.1624815, PubMed 31190584

Publications 2018

Bogseth AO, Soares JZ, Undseth R, Valeur J (2018)
Artery of Percheron occlusion
Tidsskr. Nor. Laegeforen., 138 (19), 1854

Bøgseth AØ, Soares JZ, Undseth R, Valeur J (2018)
Artery of Percheron occlusion
Tidsskr Nor Laegeforen, 138 (19)
DOI 10.4045/tidsskr.18.0298, PubMed 30497243

Dahl C, Stigum H, Valeur J, Iszatt N, Lenters V, Peddada S, Bjørnholt JV, Midtvedt T, Mandal S, Eggesbø M (2018)
Preterm infants have distinct microbiomes not explained by mode of delivery, breastfeeding duration or antibiotic exposure
Int J Epidemiol, 47 (5), 1658-1669
DOI 10.1093/ije/dyy064, PubMed 29688458

Farup PG, Aasbrenn M, Valeur J (2018)
Separating "good" from "bad" faecal dysbiosis - evidence from two cross-sectional studies
BMC Obes, 5, 30
DOI 10.1186/s40608-018-0207-3, PubMed 30524735

Farup PG, Valeur J (2018)
Faecal Microbial Markers and Psychobiological Disorders in Subjects with Morbid Obesity. A Cross-Sectional Study
Behav Sci (Basel), 8 (10)
DOI 10.3390/bs8100089, PubMed 30262766

Hoel H, Hove-Skovsgaard M, Hov JR, Gaardbo JC, Holm K, Kummen M, Rudi K, Nwosu F, Valeur J, Gelpi M, Seljeflot I, Ueland PM, Gerstoft J, Ullum H, Aukrust P, Nielsen SD, Trøseid M (2018)
Impact of HIV and Type 2 diabetes on Gut Microbiota Diversity, Tryptophan Catabolism and Endothelial Dysfunction
Sci Rep, 8 (1), 6725
DOI 10.1038/s41598-018-25168-3, PubMed 29712976

Juul FE, Garborg K, Bretthauer M, Skudal H, Øines MN, Wiig H, Rose Ø, Seip B, Lamont JT, Midtvedt T, Valeur J, Kalager M, Holme Ø, Helsingen L, Løberg M, Adami HO (2018)
Fecal Microbiota Transplantation for Primary Clostridium difficile Infection
N Engl J Med, 378 (26), 2535-2536
DOI 10.1056/NEJMc1803103, PubMed 29860912

Moore AM, Mathias M, Valeur J (2018)
Contextualising the microbiota-gut-brain axis in history and culture
Microb Ecol Health Dis, 30 (Suppl 1), 1546267
DOI 10.1080/16512235.2019.1546267, PubMed 30455619

Ramsli T, Valeur J, Pretorius M, Gerlyng P (2018)
Severe, reversible dysphagia and malnutrition in a patient with tumour-induced hypophosphataemia
BMJ Case Rep, 2018
DOI 10.1136/bcr-2017-223873, PubMed 29950359

Valeur J (2018)
Sir Tore Midtvedt
Microb Ecol Health Dis, 29 (1), 1535826
DOI 10.1080/16512235.2018.1535826, PubMed 30425611

Valeur J, Småstuen MC, Knudsen T, Lied GA, Røseth AG (2018)
Exploring Gut Microbiota Composition as an Indicator of Clinical Response to Dietary FODMAP Restriction in Patients with Irritable Bowel Syndrome
Dig Dis Sci, 63 (2), 429-436
DOI 10.1007/s10620-017-4893-3, PubMed 29302878

Publications 2017

Aasbrenn M, Valeur J, Farup PG (2017)
Evaluation of a faecal dysbiosis test for irritable bowel syndrome in subjects with and without obesity
Scand J Clin Lab Invest, 78 (1-2), 109-113
DOI 10.1080/00365513.2017.1419372, PubMed 29271246

Bjørkhaug ST, Skar V, Medhus AW, Tollisen A, Bramness JG, Valeur J (2017)
Chronic alcohol overconsumption may alter gut microbial metabolism: a retrospective study of 719 13C-D-xylose breath test results
Microb Ecol Health Dis, 28 (1), 1301725
DOI 10.1080/16512235.2017.1301725, PubMed 28572752

Komperød MJ, Sommer C, Mellin-Olsen T, Iversen PO, Røseth AG, Valeur J (2017)
Persistent symptoms in patients with Crohn's disease in remission: An exploratory study on the role of diet
Scand J Gastroenterol, 53 (5), 573-578
DOI 10.1080/00365521.2017.1397736, PubMed 29168412

Landfald B, Valeur J, Berstad A, Raa J (2017)
Microbial trimethylamine-N-oxide as a disease marker: something fishy?
Microb Ecol Health Dis, 28 (1), 1327309
DOI 10.1080/16512235.2017.1327309, PubMed 28588431

Publications 2016

Berstad A, Raa J, Midtvedt T, Valeur J (2016)
Probiotic lactic acid bacteria - the fledgling cuckoos of the gut?
Microb Ecol Health Dis, 27, 31557
DOI 10.3402/mehd.v27.31557, PubMed 27235098

Berstad A, Valeur J (2016)
Gut gateway to generalized pain
Scand J Pain, 13, 164-165
DOI 10.1016/j.sjpain.2016.06.001, PubMed 28850524

Hustoft TN, Hausken T, Ystad SO, Valeur J, Brokstad K, Hatlebakk JG, Lied GA (2016)
Effects of varying dietary content of fermentable short-chain carbohydrates on symptoms, fecal microenvironment, and cytokine profiles in patients with irritable bowel syndrome
Neurogastroenterol Motil, 29 (4)
DOI 10.1111/nmo.12969, PubMed 27747984

Kaur P, Bergrem A, Gerlyng P, Reims HM, Leh S, Valeur J (2016)
A methadone user with anaemia, skeletal pain and altered appearance
Tidsskr Nor Laegeforen, 136 (10), 925-9
DOI 10.4045/tidsskr.15.0692, PubMed 27272371

Undseth R, Berstad A, Valeur J (2016)
Systemic symptoms in irritable bowel syndrome: An investigative study on the role of enterocyte disintegrity, endotoxemia and inflammation
Mol Med Rep, 14 (6), 5072-5076
DOI 10.3892/mmr.2016.5878, PubMed 27779674

Valeur J (2016)
Just mental
Tidsskr. Nor. Laegeforen., 136 (9), 783

Valeur J (2016)
[In Process Citation]
Tidsskr Nor Laegeforen, 136 (9), 783
DOI 10.4045/tidsskr.16.0381, PubMed 27221168

Valeur J, Landfald B, Berstad A, Raa J (2016)
Trimethylamine N-Oxide in Seafood: Rotten or Forgotten?
J Am Coll Cardiol, 68 (25), 2916-2917
DOI 10.1016/j.jacc.2016.08.077, PubMed 28007155

Valeur J, Røseth AG, Knudsen T, Malmstrøm GH, Fiennes JT, Midtvedt T, Berstad A (2016)
Fecal Fermentation in Irritable Bowel Syndrome: Influence of Dietary Restriction of Fermentable Oligosaccharides, Disaccharides, Monosaccharides and Polyols
Digestion, 94 (1), 50-6
DOI 10.1159/000448280, PubMed 27487397

Valeur J, Undseth R, Berstad A (2016)
"Gährungsdyspepsie" Revisited
Am J Gastroenterol, 111 (1), 145-7
DOI 10.1038/ajg.2015.361, PubMed 26785663

Vara EJ, Valeur J, Hausken T, Lied GA (2016)
Extra-intestinal symptoms in patients with irritable bowel syndrome: related to high total IgE levels and atopic sensitization?
Scand J Gastroenterol, 51 (8), 908-13
DOI 10.3109/00365521.2016.1157890, PubMed 27161383

Publications 2015

Berstad A, Raa J, Valeur J (2015)
Indole - the scent of a healthy 'inner soil'
Microb Ecol Health Dis, 26, 27997
DOI 10.3402/mehd.v26.27997, PubMed 26282698

Undseth R, Jakobsdottir G, Nyman M, Berstad A, Valeur J (2015)
Low serum levels of short-chain fatty acids after lactulose ingestion may indicate impaired colonic fermentation in patients with irritable bowel syndrome
Clin Exp Gastroenterol, 8, 303-8
DOI 10.2147/CEG.S94084, PubMed 26664152

Valeur J (2015)
The microbial community in our bowel – flora or fauna?
Tidsskr Nor Laegeforen, 135 (12-13), 1154
DOI 10.4045/tidsskr.15.0393, PubMed 26130553

Valeur J (2015)
We all need friends
Microb Ecol Health Dis, 26, 28063
DOI 10.3402/mehd.v26.28063, PubMed 26031683

Valeur J, Puaschitz NG, Midtvedt T, Berstad A (2015)
Oatmeal porridge: impact on microflora-associated characteristics in healthy subjects
Br J Nutr, 115 (1), 62-7
DOI 10.1017/S0007114515004213, PubMed 26511097

Publications 2014

Berstad A, Hauso O, Valeur J (2014)
Intestinal staphylococcal small colony variants: a cause of medically unexplained physical symptoms?
Microb Ecol Health Dis, 25
DOI 10.3402/mehd.v25.25817, PubMed 25317113

Berstad A, Raa J, Valeur J (2014)
Tryptophan: 'essential' for the pathogenesis of irritable bowel syndrome?
Scand J Gastroenterol, 49 (12), 1493-8
DOI 10.3109/00365521.2014.936034, PubMed 25000845

Undseth R, Berstad A, Kløw NE, Arnljot K, Moi KS, Valeur J (2014)
Abnormal accumulation of intestinal fluid following ingestion of an unabsorbable carbohydrate in patients with irritable bowel syndrome: an MRI study
Neurogastroenterol Motil, 26 (12), 1686-93
DOI 10.1111/nmo.12449, PubMed 25271767

Valeur J, Berstad A, Hausken T (2014)
The effect of body position on postprandial perceptions, gastric emptying, and intragastric meal distribution: an ultrasonographic study in reclining healthy subjects
Scand J Gastroenterol, 50 (2), 170-3
DOI 10.3109/00365521.2014.990506, PubMed 25515140

Valeur J, Midtvedt T (2014)
Faeces transplantation—new wonder medicine?
Tidsskr Nor Laegeforen, 134 (23-24), 2233
DOI 10.4045/tidsskr.14.1261, PubMed 25492317

Publications 2013

Lind R, Berstad A, Hatlebakk J, Valeur J (2013)
Chronic fatigue in patients with unexplained self-reported food hypersensitivity and irritable bowel syndrome: validation of a Norwegian translation of the Fatigue Impact Scale
Clin Exp Gastroenterol, 6, 101-7
DOI 10.2147/CEG.S45760, PubMed 23869173

Valeur J, Berstad A (2013)
Irritable bowel syndrome--a microbial perspective
Tidsskr Nor Laegeforen, 133 (21), 2276-8
DOI 10.4045/tidsskr.13.1185, PubMed 24226338

Valeur J, Julsrud J (2013)
Vomiting: a physiological response to acidosis?
Scand J Gastroenterol, 48 (9), 1103-4
DOI 10.3109/00365521.2013.825926, PubMed 23964767

Publications 2012

Berstad A, Morken MH, Arslan Lied G, Lind R, Hjartholm AS, Valeur J (2012)
Fecal fat excretion in irritable bowel syndrome
Scand J Gastroenterol, 47 (8-9), 1120-1
DOI 10.3109/00365521.2012.696683, PubMed 22746315

Berstad A, Undseth R, Lind R, Valeur J (2012)
Functional bowel symptoms, fibromyalgia and fatigue: a food-induced triad?
Scand J Gastroenterol, 47 (8-9), 914-9
DOI 10.3109/00365521.2012.690045, PubMed 22594347

Hausken T, Valeur J (2012)
[Position dependent dyspepsia]
Tidsskr Nor Laegeforen, 132 (12-13), 1461
DOI 10.4045/tidsskr.12.0559, PubMed 22766819

Valeur J, Hausken T (2012)
[Bloated stomach without gas]
Tidsskr Nor Laegeforen, 132 (21), 2400
DOI 10.4045/tidsskr.12.0663, PubMed 23160591

Publications 2011

Berstad A, Valeur J (2011)
[Dessert stomach]
Tidsskr Nor Laegeforen, 131 (24), 2453
DOI 10.4045/tidsskr.11.0998, PubMed 22170121

Gregersen K, Valeur J, Lillestøl K, Frøyland L, Araujo P, Lied GA, Berstad A (2011)
Subjective food hypersensitivity: assessment of enterochromaffin cell markers in blood and gut lavage fluid
Int J Gen Med, 4, 555-60
DOI 10.2147/IJGM.S18349, PubMed 21887108

Lied GA, Lillestøl K, Lind R, Valeur J, Morken MH, Vaali K, Gregersen K, Florvaag E, Tangen T, Berstad A (2011)
Perceived food hypersensitivity: a review of 10 years of interdisciplinary research at a reference center
Scand J Gastroenterol, 46 (10), 1169-78
DOI 10.3109/00365521.2011.591428, PubMed 21679125

Valeur J, Berstad A, Midtvedt T (2011)
[Intestinal auto-intoxication--still a current disease mechanism?]
Tidsskr Nor Laegeforen, 131 (19), 1875-6
DOI 10.4045/tidsskr.11.0762, PubMed 21984290

Publications 2010

Gregersen K, Lind RA, Valeur J, Bjørkkjær T, Berstad A, Lied GA (2010)
Duodenal administered seal oil for patients with subjective food hypersensitivity: an explorative open pilot study
Int J Gen Med, 3, 383-92
DOI 10.2147/IJGM.S13013, PubMed 21189836

Lied GA, Lillestøl K, Valeur J, Berstad A (2010)
Intestinal B cell-activating factor: an indicator of non-IgE-mediated hypersensitivity reactions to food?
Aliment Pharmacol Ther, 32 (1), 66-73
DOI 10.1111/j.1365-2036.2010.04314.x, PubMed 20353497

Lillestøl K, Helgeland L, Arslan Lied G, Florvaag E, Valeur J, Lind R, Berstad A (2010)
Indications of 'atopic bowel' in patients with self-reported food hypersensitivity
Aliment Pharmacol Ther, 31 (10), 1112-22
DOI 10.1111/j.1365-2036.2010.04261.x, PubMed 20163379

Lind R, Lied GA, Lillestøl K, Valeur J, Berstad A (2010)
Do psychological factors predict symptom severity in patients with subjective food hypersensitivity?
Scand J Gastroenterol, 45 (7-8), 835-43
DOI 10.3109/00365521003797213, PubMed 20433401

Valeur J, Berstad A (2010)
The colon is a digestive organ!
Adv Physiol Educ, 34 (3), 162
DOI 10.1152/advan.00063.2010, PubMed 20826773

Valeur J, Berstad A (2010)
Colonic fermentation: a neglected topic in human physiology education
Adv Physiol Educ, 34 (1), 22
DOI 10.1152/advan.00103.2009, PubMed 20237231

Valeur J, Morken MH, Norin E, Midtvedt T, Berstad A (2010)
Intestinal fermentation in patients with self-reported food hypersensitivity: painful, but protective?
Clin Exp Gastroenterol, 3, 65-70
DOI 10.2147/ceg.s11349, PubMed 21694848

Valeur J, Norin E, Midtvedt T, Berstad A (2010)
Assessment of microbial fermentation products in fecal samples
Neurogastroenterol Motil, 22 (10), 1147
DOI 10.1111/j.1365-2982.2010.01534.x, PubMed 20840720

Publications 2009

Lind R, Lillestøl K, Valeur J, Eriksen HR, Tangen T, Berstad A, Arslan Lied G (2009)
Job stress and coping strategies in patients with subjective food hypersensitivity
Scand J Psychol, 51 (2), 179-84
DOI 10.1111/j.1467-9450.2009.00761.x, PubMed 19961557

Morken MH, Lind RA, Valeur J, Wilhelmsen I, Berstad A (2009)
Subjective health complaints and quality of life in patients with irritable bowel syndrome following Giardia lamblia infection: a case control study
Scand J Gastroenterol, 44 (3), 308-13
DOI 10.1080/00365520802588091, PubMed 19031266

Morken MH, Valeur J, Norin E, Midtvedt T, Nysaeter G, Berstad A (2009)
Antibiotic or bacterial therapy in post-giardiasis irritable bowel syndrome
Scand J Gastroenterol, 44 (11), 1296-303
DOI 10.3109/00365520903274401, PubMed 19821794

Valeur J (2009)
[Napoleon's stomach]
Tidsskr Nor Laegeforen, 129 (2), 122-3
DOI 10.4045/tidsskr.09.35813, PubMed 19151808

Valeur J, Berstad A (2009)
["Five a day"--tough for the stomach?]
Tidsskr Nor Laegeforen, 129 (22), 2388-9
DOI 10.4045/tidsskr.09.1246, PubMed 19935947

Valeur J, Lappalainen J, Rita H, Lin AH, Kovanen PT, Berstad A, Eklund KK, Vaali K (2009)
Food allergy alters jejunal circular muscle contractility and induces local inflammatory cytokine expression in a mouse model
BMC Gastroenterol, 9, 33
DOI 10.1186/1471-230X-9-33, PubMed 19450258

Valeur J, Morken MH, Norin E, Midtvedt T, Berstad A (2009)
Carbohydrate intolerance in patients with self-reported food hypersensitivity: comparison of lactulose and glucose
Scand J Gastroenterol, 44 (12), 1416-23
DOI 10.3109/00365520903348684, PubMed 19883270

Publications 2008

Valeur J, Berstad A (2008)
[Why do we have large intestine?]
Tidsskr Nor Laegeforen, 128 (11), 1298-300
PubMed 18511975

Valeur J, Milde AM, Helle KB, Berstad A (2008)
Low serum chromogranin A in patients with self-reported food hypersensitivity
Scand J Gastroenterol, 43 (11), 1403-4
DOI 10.1080/00365520802273074, PubMed 18654936

Valeur J, Øines E, Morken MH, Holst JJ, Berstad A (2008)
Plasma glucagon-like peptide 1 and peptide YY levels are not altered in symptomatic fructose-sorbitol malabsorption
Scand J Gastroenterol, 43 (10), 1212-8
DOI 10.1080/00365520802116448, PubMed 18609141

Publications 2007

Valeur J (2007)
[Hunger and satiation--a biological explanatory model]
Tidsskr Nor Laegeforen, 127 (19), 2546-8
PubMed 17925825

Page visits: 1669