Publications 2021

Janson ET, Knigge U, Dam G, Federspiel B, Gronbaek H, Stalberg P, Langer SW, Kjaer A, Arola J, Schalin-Jantti C, Sundin A, Welin S, Thiis-Evensen E, Sorbye H (2021)
Nordic guidelines 2021 for diagnosis and treatment of gastroenteropancreatic neuroendocrine neoplasms
Acta Oncol., 60 (7), 931-941
DOI 10.1080/0284186X.2021.1921262

Kjellman M, Knigge U, Welin S, Thiis-Evensen E, Gronbaek H, Schalin-Jantti C, Sorbye H, Joergensen MT, Johanson V, Metso S, Waldum H, Soreide JA, Ebeling T, Lindberg F, Landerholm K, Wallin G, Salem F, Schneider MD, Belusa R (2021)
A Plasma Protein Biomarker Strategy for Detection of Small Intestinal Neuroendocrine Tumors
Neuroendocrinology, 111 (9), 840-849
DOI 10.1159/000510483

Knudsen MD, Botteri E, Holme O, Hjartaker A, Song MY, Thiis-Evensen E, Norvard ER, Schult AL, Randel KR, Hoff G, Berstad P (2021)
Association between lifestyle and site-specific advanced colorectal lesions in screening with faecal immunochemical test and sigmoidoscopy
Dig. Liver Dis., 53 (3), 353-359
DOI 10.1016/j.dld.2020.11.021

Publications 2020

Sorbye H, Meyer LS, Mordal KE, Myhre S, Thiis-Evensen E (2020)
Patient reported symptoms, coping and quality of life during somatostatin analogue treatment for metastatic small- intestinal neuroendocrine tumours
Health Qual. Life Outcomes, 18 (1), 188
DOI 10.1186/s12955-020-01452-7

Thiis-Evensen E, Poole AC, Nguyen HTT, Sponheim J (2020)
Achieving objective response in treatment of non-resectable neuroendocrine tumors does not predict longer time to progression compared to achieving stable disease
BMC Cancer, 20 (1)
DOI 10.1186/s12885-020-06963-6

Publications 2019

Fazio N, Martini JF, Croitoru AE, Schenker M, Li S, Rosbrook B, Fernandez K, Tomasek J, Thiis-Evensen E, Kulke M, Raymond E (2019)
Pharmacogenomic analyses of sunitinib in patients with pancreatic neuroendocrine tumors
Future Oncol., 15 (17), 1997-2007
DOI 10.2217/fon-2018-0934

Loitegard T, Berntzen DT, Thiis-Evensen E (2019)
The RECIST criteria compared to conventional response evaluation after peptide receptor radionuclide therapy in patients with neuroendocrine neoplasms
Ann. Nucl. Med., 33 (3), 147-152
DOI 10.1007/s12149-018-1316-2

Olbjern C, Smastuen MC, Thiis-Evensen E, Nakstad B, Vatn MH, Jahnsen J, Ricanek P, Vatn S, Moen AEF, Tannaes TM, Lindstrom JC, Soderholm JD, Halfvarson J, Gomollon F, Casen C, Karlsson MK, Kalla R, Adams AT, Satsangi J, Perminow G (2019)
Fecal microbiota profiles in treatment-naive pediatric inflammatory bowel disease - associations with disease phenotype, treatment, and outcome
Clin. Exp. Gastroenterol., 12, 37-49
DOI 10.2147/CEG.S186235

Vyakaranam AR, Crona J, Norlen O, Granberg D, Garske-Roman U, Sandstrom M, Fross-Baron K, Thiis-Evensen E, Hellman P, Sundin A (2019)
Favorable Outcome in Patients with Pheochromocytoma and Paraganglioma Treated with Lu-177-DOTATATE
Cancers, 11 (7), 909
DOI 10.3390/cancers11070909

Publications 2018

Cetinkaya RB, Aagnes B, Myklebust TA, Thiis-Evensen E (2018)
Survival in neuroendocrine neoplasms; A report from a large Norwegian population-based study
Int. J. Cancer, 142 (6), 1139-1147
DOI 10.1002/ijc.31137

Raymond E, Kulke MH, Qin SK, Yu XJ, Schenker M, Cubillo A, Lou WH, Tomasek J, Thiis-Evensen E, Xu JM, Croitoru AE, Khasraw M, Sedlackova E, Borbath I, Ruff P, Oberstein PE, Ito T, Jia LQ, Hammel P, Shen L, Shrikhande SV, Shen YL, Sufliarsky J, Khan GN, Morizane C et al. (2018)
Efficacy and Safety of Sunitinib in Patients with Well-Differentiated Pancreatic Neuroendocrine Tumours
Neuroendocrinology, 107 (3), 237-245
DOI 10.1159/000491999

Publications 2017

Cetinkaya RB, Aagnes B, Thiis-Evensen E, Tretli S, Bergestuen DS, Hansen S (2017)
Trends in Incidence of Neuroendocrine Neoplasms in Norway: A Report of 16,075 Cases from 1993 through 2010
Neuroendocrinology, 104 (1), 1-10
DOI 10.1159/000442207

Olbjorn C, Smastuen MC, Thiis-Evensen E, Nakstad B, Vatn MH, Perminow G (2017)
Serological markers in diagnosis of pediatric inflammatory bowel disease and as predictors for early tumor necrosis factor blocker therapy
Scand. J. Gastroenterol., 52 (4), 414-419
DOI 10.1080/00365521.2016.1259653

Publications 2015

Vedeld HM, Andresen K, Eilertsen IA, Nesbakken A, Seruca R, Gladhaug IP, Thiis-Evensen E, Rognum TO, Boberg KM, Lind GE (2015)
The novel colorectal cancer biomarkers CDO1, ZSCAN18 and ZNF331 are frequently methylated across gastrointestinal cancers
Int. J. Cancer, 136 (4), 844-853
DOI 10.1002/ijc.29039

Zahid W, Bergestuen D, Haugaa KH, Ueland T, Thiis-Evensen E, Aukrust P, Fosse E, Edvardsen T (2015)
Myocardial Function by Two-Dimensional Speckle Tracking Echocardiography and Activin A May Predict Mortality in Patients with Carcinoid Intestinal Disease
Cardiology, 132 (2), 81-90
DOI 10.1159/000431076

Publications 2014

Cetinkaya RB, Vatn M, Aabakken L, Bergestuen DS, Thiis-Evensen E (2014)
Survival and prognostic factors in well-differentiated pancreatic neuroendocrine tumors
Scand. J. Gastroenterol., 49 (6), 734-741
DOI 10.3109/00365521.2014.903432

Janson ET, Sorbye H, Welin S, Federspiel B, Gronbaek H, Hellman P, Ladekarl M, Langer SW, Mortensen J, Schalin-Jantti C, Sundin A, Sundlov A, Thiis-Evensen E, Knigge U (2014)
Nordic guidelines 2014 for diagnosis and treatment of gastroenteropancreatic neuroendocrine neoplasms
Acta Oncol., 53 (10), 1284-1297
DOI 10.3109/0284186X.2014.941999

Olbjorn C, Nakstad B, Smastuen MC, Thiis-Evensen E, Vatn MH, Perminow G (2014)
Early anti-TNF treatment in pediatric Crohn's disease. Predictors of clinical outcome in a population-based cohort of newly diagnosed patients
Scand. J. Gastroenterol., 49 (12), 1425-1431
DOI 10.3109/00365521.2014.966316

Publications 2013

Gedde-Dahl M, Thiis-Evensen E, Tjolsen AM, Mordal KS, Vatn M, Bergestuen DS (2013)
Comparison of 24-h and overnight samples of urinary 5-hydroxyindoleacetic acid in patients with intestinal neuroendocrine tumors
Endocr. Connect., 2 (1), 51-55
DOI 10.1530/EC-12-0077

Sorbye H, Welin S, Langer SW, Vestermark LW, Holt N, Osterlund P, Dueland S, Hofsli E, Guren MG, Ohrling K, Birkemeyer E, Thiis-Evensen E, Biagini M, Gronbaek H, Soveri LM, Olsen IH, Federspiel B, Assmus J, Janson ET, Knigge U (2013)
Predictive and prognostic factors for treatment and survival in 305 patients with advanced gastrointestinal neuroendocrine carcinoma (WHO G3): The NORDIC NEC study
Ann. Oncol., 24 (1), 152-160
DOI 10.1093/annonc/mds276

Thiis-Evensen E, Kalager M, Bretthauer M, Hoff G (2013)
Long-term effectiveness of endoscopic screening on incidence and mortality of colorectal cancer: A randomized trial
United European Gastroenterol. J., 1 (3), 162-168
DOI 10.1177/2050640613483290

Publications 2012

Ahmed D, Danielsen SA, Aagesen TH, Bretthauer M, Thiis-Evensen E, Hoff G, Rognum TO, Nesbakken A, Lothe RA, Lind GE (2012)
A Tissue-Based Comparative Effectiveness Analysis of Biomarkers for Early Detection of Colorectal Tumors
Clin. Transl. Gastroenterol., 3, e27
DOI 10.1038/ctg.2012.21

Berstad P, Thiis-Evensen E, Vatn MH, Almendingen K (2012)
Fatty Acids in Habitual Diet, Plasma Phospholipids, and Tumour and Normal Colonic Biopsies in Young Colorectal Cancer Patients
J. Oncol., 2012, 254801
DOI 10.1155/2012/254801

Publications 2011

Agesen TH, Berg M, Clancy T, Thiis-Evensen E, Cekaite L, Lind GE, Nesland JM, Bakka A, Mala T, Hauss HJ, Fetveit T, Vatn MH, Hovig E, Nesbakken A, Lothe RA, Skotheim RI (2011)
CLC and IFNAR1 are differentially expressed and a global immunity score is distinct between early- and late-onset colorectal cancer
Genes Immun., 12 (8), 653-662
DOI 10.1038/gene.2011.43

Danielsen SA, Cekaite L, Agesen TH, Sveen A, Nesbakken A, Thiis-Evensen E, Skotheim RI, Lind GE, Lothe RA (2011)
Phospholipase C Isozymes Are Deregulated in Colorectal Cancer - Insights Gained from Gene Set Enrichment Analysis of the Transcriptome
PLoS One, 6 (9), e24419
DOI 10.1371/journal.pone.0024419

Haugaa KH, Bergestuen DS, Sahakyan LG, Skulstad H, Aakhus S, Thiis-Evensen E, Edvardsen T (2011)
Evaluation of Right Ventricular Dysfunction by Myocardial Strain Echocardiography in Patients with Intestinal Carcinoid Disease
J. Am. Soc. Echocardiogr., 24 (6), 644-650
DOI 10.1016/j.echo.2011.02.009

Lind GE, Danielsen SA, Ahlquist T, Merok MA, Andresen K, Skotheim RI, Hektoen M, Rognum TO, Meling GI, Hoff G, Bretthauer M, Thiis-Evensen E, Nesbakken A, Lothe RA (2011)
Identification of an epigenetic biomarker panel with high sensitivity and specificity for colorectal cancer and adenomas
Mol. Cancer, 10, 85
DOI 10.1186/1476-4598-10-85

Lind GE, Raiborg C, Danielsen SA, Rognum TO, Thiis-Evensen E, Hoff G, Nesbakken A, Stenmark H, Lothe RA (2011)
SPG20, a novel biomarker for early detection of colorectal cancer, encodes a regulator of cytokinesis
Oncogene, 30 (37), 3967-3978
DOI 10.1038/onc.2011.109

Publications 2010

Berg M, Agesen TH, Thiis-Evensen E, Merok MA, Teixeira MR, Vatn MH, Nesbakken A, Skotheim RI, Lothe RA, INFAC-Study Grp (2010)
Distinct high resolution genome profiles of early onset and late onset colorectal cancer integrated with gene expression data identify candidate susceptibility loci
Mol. Cancer, 9, 100
DOI 10.1186/1476-4598-9-100

Berg M, Danielsen SA, Ahlquist T, Merok MA, Agesen TH, Vatn MH, Mala T, Sjo OH, Bakka A, Moberg I, Fetveit T, Mathisen O, Husby A, Sandvik O, Nesbakken A, Thiis-Evensen E, Lothe RA (2010)
DNA Sequence Profiles of the Colorectal Cancer Critical Gene Set KRAS-BRAF-PIK3CA-PTEN-TP53 Related to Age at Disease Onset
PLoS One, 5 (11), e13978
DOI 10.1371/journal.pone.0013978

Bergestuen DS, Edvardsen T, Aakhus S, Ueland T, Oie E, Vatn M, Aukrust P, Thiis-Evensen E (2010)
Activin A in Carcinoid Heart Disease: A Possible Role in Diagnosis and Pathogenesis
Neuroendocrinology, 92 (3), 168-177
DOI 10.1159/000318014

Bergestuen DS, Gravning J, Haugaa KH, Sahakyan LG, Aakhus S, Thiis-Evensen E, Oie E, Aukrust P, Attramadal H, Edvardsen T (2010)
Plasma CCN2/connective tissue growth factor is associated with right ventricular dysfunction in patients with neuroendocrine tumors
BMC Cancer, 10, 6
DOI 10.1186/1471-2407-10-6

Janson ET, Sorbye H, Welin S, Federspiel B, Gronbaek H, Hellman P, Mathisen O, Mortensen J, Sundin A, Thiis-Evensen E, Valimaki MJ, Oberg K, Knigge U (2010)
Nordic Guidelines 2010 for diagnosis and treatment of gastroenteropancreatic neuroendocrine tumours
Acta Oncol., 49 (6), 740-756
DOI 10.3109/0284186X.2010.492791

Publications 2009

Bergestuen DS, Aabakken L, Holm K, Vatn M, Thiis-Evensen E (2009)
Small intestinal neuroendocrine tumors: Prognostic factors and survival
Scand. J. Gastroenterol., 44 (9), 1084-1091
DOI 10.1080/00365520903082432

Holme O, Thiis-Evensen E, Vatn MH (2009)
Treatment of fulminant ulcerative colitis with cyclosporine A
Scand. J. Gastroenterol., 44 (11), 1310-1314
DOI 10.3109/00365520903222673

Publications 2008

Ahlquist T, Lind GE, Costa VL, Meling GI, Vatn M, Hoff GS, Rognum TO, Skotheim RI, Thiis-Evensen E, Lothe RA (2008)
Gene methylation profiles of normal mucosa, and benign and malignant colorectal tumors identify early onset markers
Mol. Cancer, 7, 94
DOI 10.1186/1476-4598-7-94

Lind GE, Ahlquist T, Kolberg M, Berg M, Eknaes M, Alonso MA, Kallioniemi A, Meling GI, Skotheim RI, Rognum TO, Thiis-Evensen E, Lothe RA (2008)
Hypermethylated MAL gene - a silent marker of early colon tumorigenesis
J. Transl. Med., 6, 13
DOI 10.1186/1479-5876-6-13

Publications 2006

Lind GE, Kleivi K, Meling GI, Teixeira MR, Thiis-Evensen E, Rognum TO, Lothe RA (2006)
ADAMTS1, CRABP1, and NR3C1 identified as epigenetically deregulated genes in colorectal tumorigenesis
Cell. Oncol., 28 (5-6), 259-272

Thiis-Evensen E, Seip B, Vatn MH, Hoff GS (2006)
Impact of a colonoscopic screening examination for colorectal cancer on later utilization of distal GI endoscopies
Gastrointest. Endosc., 64 (6), 948-954
DOI 10.1016/j.gie.2006.08.006

Publications 2005

Bretthauer M, Lynge AB, Thiis-Evensen E, Hoff G, Fausa O, Aabakken L (2005)
Carbon dioxide insufflation in colonoscopy: Safe and effective in sedated patients
Endoscopy, 37 (8), 706-709
DOI 10.1055/s-2005-870154

Publications 2004

Hoff G, Grotmol T, Thiis-Evensen E, Bretthauer M, Gondal G, Vatn MH (2004)
Testing for faecal calprotectin (PhiCal) in the Norwegian Colorectal Cancer Prevention trial on flexible sigmoidoscopy screening: comparison with an immunochemical test for occult blood (FlexSure OBT)
Gut, 53 (9), 1329-1333
DOI 10.1136/gut.2004.039032

Publications 2003

Bretthauer M, Hoff GS, Thiis-Evensen E, Huppertz-Hauss G, Skovlund E (2003)
Air and carbon dioxide volumes insufflated during colonoscopy
Gastrointest. Endosc., 58 (2), 203-206
DOI 10.1067/mge.2003.340

Bretthauer M, Skovlund E, Grotmol T, Thiis-Evensen E, Gondal G, Huppertz-Hauss G, Efskind P, Hofstad B, Holmsen ST, Eide TJ, Hoff G (2003)
Inter-endoscopist variation in polyp and neoplasia pick-up rates in flexible sigmoidoscopy screening for colorectal cancer
Scand. J. Gastroenterol., 38 (12), 1268-1274
DOI 10.1080/00365520310006513

Publications 2002

Bretthauer M, Hoff G, Thiis-Evensen E, Grotmol T, Holmsen ST, Moritz V, Skovlund E (2002)
Carbon dioxide insufflation reduces discomfort due to flexible sigmoidoscopy in colorectal cancer screening
Scand. J. Gastroenterol., 37 (9), 1103-1107
DOI 10.1080/003655202320378329

Bretthauer M, Hoff G, Thiis-Evensen E, Grotmol T, Larsen IK, Kjellevold O, Skovlund E (2002)
Use of a disposable sheath system for flexible sigmoidoscopy in decentralized colorectal cancer screening
Endoscopy, 34 (10), 814-818
DOI 10.1055/s-2002-34273

Bretthauer M, Thiis-Evensen E, Huppertz-Hauss G, Gisselsson L, Grotmol T, Skovlund E, Hoff G (2002)
NORCCAP (Norwegian colorectal cancer prevention): a randomised trial to assess the safety and efficacy of carbon dioxide versus air insufflation in colonoscopy
Gut, 50 (5), 604-607
DOI 10.1136/gut.50.5.604

Hoff G, Thiis-Evensen E, Vatn M (2002)
Screening for sporadic colorectal cancer
Endoscopy, 34 (6), 508
DOI 10.1055/s-2002-31993

Publications 2001

Hoff G, Thiis-Evensen E, Grotmol T, Sauar J, Vatn MH, Moen IE (2001)
Do undesirable effects of screening affect all-cause mortality in flexible sigmoidoscopy programmes? Experience from the Telemark Polyp Study 1983-1996
Eur. J. Cancer Prev., 10 (2), 131-137
DOI 10.1097/00008469-200104000-00003

Thiis-Evensen E (2001)
Endoscopic prevention of colorectal cancer: 13 year follow-up of the Telemark polyp study I, a prospective controlled flexible sigmoidoscopy screening study
Department of Medicine, Rikshospitalet University Hospital : Norwegian Cancer Society : Department Group for Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, 1 b. (flere pag.)
BIBSYS 010548238, ISBN 82-7722-140-1

Thiis-Evensen E, Hoff GS, Sauar J, Majak BM, Vatn MH (2001)
The effect of attending a flexible sigmoidoscopic screening program on the prevalence of colorectal adenomas at 13-year follow-up
Am. J. Gastroenterol., 96 (6), 1901-1907
DOI 10.1016/S0002-9270(01)02454-6

Publications 2000

Thiis-Evensen E, Hoff GS, Sauar J, Vatn MH (2000)
Patient tolerance of colonoscopy without sedation during screening examination for colorectal polyps
Gastrointest. Endosc., 52 (5), 606-610
DOI 10.1067/mge.2000.109804

Publications 1999

Thiis-Evensen E, Hoff GS, Sauar J, Langmark F, Majak BM, Vatn MH (1999)
Population-based surveillance by colonoscopy: Effect on the incidence of colorectal cancer - Telemark Polyp Study I
Scand. J. Gastroenterol., 34 (4), 414-420

Thiis-Evensen E, Hoff GS, Sauar J, Majak BM, Vatn MH (1999)
Flexible sigmoidoscopy or colonoscopy as a screening modality for colorectal adenomas in older age groups? Findings in a cohort of the normal population aged 63-72 years
Gut, 45 (6), 834-839
DOI 10.1136/gut.45.6.834

Thiis-Evensen E, Wilhelmsen I, Hoff GS, Blomhoff S, Sauar J (1999)
The psychologic effect of attending a screening program for colorectal polyps
Scand. J. Gastroenterol., 34 (1), 103-109