Maya Olaisen
About
My research field is inflammatory bowel disease (IBD). Ph.D. with the title "Microbiota in inflammatory bowel disease".
Publications
2022
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Olaisen, Maya;
Fossmark, Reidar.
(2022)
Reply to "Too Soon to Dismiss Inflammation-Related Differences in the Mucosa-Associated Microbiota in Crohn's Disease Patients".
Inflammatory Bowel Diseases
Letter to the editor
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Olaisen, Maya;
Richard, Mathias L.;
Beisvag, Vidar;
Granlund, Atle van Beelen;
Røyset, Elin Synnøve;
Rué, Olivier.
(2022)
The ileal fungal microbiota is altered in Crohn's disease and is associated with the disease course.
Frontiers in medicine
Academic article
2021
-
Fossmark, Reidar;
Olaisen, Maya;
Martinsen, Tom Christian;
Melberg, Hans Olav.
(2021)
Factors associated with the persistence of oral 5-aminosalicylic acid monotherapy in ulcerative colitis: a nationwide Norwegian cohort study.
Therapeutic Advances in Gastroenterology
Academic article
2020
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Olaisen, Maya;
Flatberg, Arnar;
Granlund, Atle van Beelen;
Røyset, Elin Synnøve;
Martinsen, Tom Christian;
Sandvik, Arne Kristian.
(2020)
Bacterial Mucosa-associated Microbiome in Inflamed and Proximal Noninflamed Ileum of Patients With Crohn's Disease.
Inflammatory Bowel Diseases
Academic article
-
Olaisen, Maya;
Fossmark, Reidar.
(2020)
Nytt om 5-ASA ved ulcerøs colitt.
Website (informational material)
-
Fossmark, Reidar;
Olaisen, Maya;
Martinsen, Tom Christian;
Melberg, Hans Olav.
(2020)
P760 Differences in persistence of oral mesalazine preparations as monotherapy in patients with ulcerative colitis
.
Journal of Crohn's and Colitis
Abstract
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Olaisen, Maya;
Flatberg, Arnar;
Granlund, Atle van Beelen;
Røyset, Elin Synnøve;
Martinsen, Tom Christian;
Sandvik, Arne Kristian.
(2020)
P833 Bacterial mucosa-associated microbiome in inflamed and proximal non-inflamed ileum of patients with Crohn’s disease.
Journal of Crohn's and Colitis
Abstract
2019
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Olaisen, Maya;
Fossmark, Reidar.
(2019)
Editorial: mesalamine and mucosal microbiome in quiescent ulcerative colitis – what can we learn? Authors reply.
Alimentary Pharmacology and Therapeutics
Short communication
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Olaisen, Maya;
Spigset, Olav;
Flatberg, Arnar;
Granlund, Atle van Beelen;
Brede, wenche Rødseth;
Albrektsen, Grethe.
(2019)
Mucosal 5-aminosalicylic acid concentration, drug formulation and mucosal microbiome in patients with quiescent ulcerative colitis.
Alimentary Pharmacology and Therapeutics
Academic article
2014
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Olaisen, Maya;
Rydning, Astrid;
Martinsen, Tom Christian;
Nordrum, Ivar Skjåk;
Mjønes, Patricia Gjertrud;
Fossmark, Reidar.
(2014)
Cytomegalovirus infection and postoperative complications in patients with ulcerative colitis undergoing colectomy.
Scandinavian Journal of Gastroenterology
Academic article
Journal publications
-
Olaisen, Maya;
Fossmark, Reidar.
(2022)
Reply to "Too Soon to Dismiss Inflammation-Related Differences in the Mucosa-Associated Microbiota in Crohn's Disease Patients".
Inflammatory Bowel Diseases
Letter to the editor
-
Olaisen, Maya;
Richard, Mathias L.;
Beisvag, Vidar;
Granlund, Atle van Beelen;
Røyset, Elin Synnøve;
Rué, Olivier.
(2022)
The ileal fungal microbiota is altered in Crohn's disease and is associated with the disease course.
Frontiers in medicine
Academic article
-
Fossmark, Reidar;
Olaisen, Maya;
Martinsen, Tom Christian;
Melberg, Hans Olav.
(2021)
Factors associated with the persistence of oral 5-aminosalicylic acid monotherapy in ulcerative colitis: a nationwide Norwegian cohort study.
Therapeutic Advances in Gastroenterology
Academic article
-
Olaisen, Maya;
Flatberg, Arnar;
Granlund, Atle van Beelen;
Røyset, Elin Synnøve;
Martinsen, Tom Christian;
Sandvik, Arne Kristian.
(2020)
Bacterial Mucosa-associated Microbiome in Inflamed and Proximal Noninflamed Ileum of Patients With Crohn's Disease.
Inflammatory Bowel Diseases
Academic article
-
Fossmark, Reidar;
Olaisen, Maya;
Martinsen, Tom Christian;
Melberg, Hans Olav.
(2020)
P760 Differences in persistence of oral mesalazine preparations as monotherapy in patients with ulcerative colitis
.
Journal of Crohn's and Colitis
Abstract
-
Olaisen, Maya;
Flatberg, Arnar;
Granlund, Atle van Beelen;
Røyset, Elin Synnøve;
Martinsen, Tom Christian;
Sandvik, Arne Kristian.
(2020)
P833 Bacterial mucosa-associated microbiome in inflamed and proximal non-inflamed ileum of patients with Crohn’s disease.
Journal of Crohn's and Colitis
Abstract
-
Olaisen, Maya;
Fossmark, Reidar.
(2019)
Editorial: mesalamine and mucosal microbiome in quiescent ulcerative colitis – what can we learn? Authors reply.
Alimentary Pharmacology and Therapeutics
Short communication
-
Olaisen, Maya;
Spigset, Olav;
Flatberg, Arnar;
Granlund, Atle van Beelen;
Brede, wenche Rødseth;
Albrektsen, Grethe.
(2019)
Mucosal 5-aminosalicylic acid concentration, drug formulation and mucosal microbiome in patients with quiescent ulcerative colitis.
Alimentary Pharmacology and Therapeutics
Academic article
-
Olaisen, Maya;
Rydning, Astrid;
Martinsen, Tom Christian;
Nordrum, Ivar Skjåk;
Mjønes, Patricia Gjertrud;
Fossmark, Reidar.
(2014)
Cytomegalovirus infection and postoperative complications in patients with ulcerative colitis undergoing colectomy.
Scandinavian Journal of Gastroenterology
Academic article
INFORMASJONSMATR
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Olaisen, Maya;
Fossmark, Reidar.
(2020)
Nytt om 5-ASA ved ulcerøs colitt.
Website (informational material)
Knowledge Transfer
2023
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Academic lectureOlaisen, Maya; Richard, Mathias L.; Beisvåg, Vidar; Granlund, Atle van Beelen; Røyset, Elin Synnøve; Rue, Oliver. (2023) Soppmikrobiota i ileum er endret ved Crohns sykdom og er assosiert med sykdomsforløp. Norsk gastroenterologisk forening Norsk gastroenterologisk forenings årsmøte , Lillehammer 2023-02-09 - 2023-02-11
2021
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PosterOlaisen, Maya; Richard, Mathias L; Beisvag, Vidar; Granlund, Atle van Beelen; Røyset, Elin Synnøve; Martinsen, Tom Christian. (2021) Fungal microbiota in the ileal mucosa of patients with Crohn’s disease . UEG United european gastroenterology Week , Virtual 2021-10-02 - 2021-10-06
2020
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Academic lectureFossmark, Reidar; Olaisen, Maya; Martinsen, Tom Christian; Melberg, Hans Olav. (2020) Forskjeller i medikamentoverlevelse mellom perorale mesalazin-preparater som monoterapi ved ulcerøs colitt. Norsk gastroenterologisk forening Norsk gastroenterologisk forenings årsmøte , Lillehammer 2020-02-06 - 2020-02-08
2019
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PosterOlaisen, Maya; Spigset, Olav; Wenche Rødseth, Brede; Flatberg, Arnar; Granlund, Atle van Beelen; Røyset, Elin Synnøve. (2019) Mucosal 5-ASA concentration is associated with changes in mucosal bacterial microbiome diversity and composition in patients with quiescent ulcerative colitis. . European Crohns and Colitis Organisation 14th Congress of ECCO , København 2019-03-06 - 2019-03-09
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Academic lectureOlaisen, Maya; Spigset, Olav; Flatberg, Arnar; Granlund, Atle van Beelen; Wenche Rødseth, Brede; Albrektsen, Grethe. (2019) Mucosal 5-ASA konsentrasjon, 5-ASA formulering og mucosalt mikrobiom i venstre hemicolon og rektum hos pasienter med ulcerøs colitt. NGF, Legeforeningen Norsk Gastroenterologisk Forening , Lillehammer 2019-02-08 - 2019-02-08
2018
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PosterOlaisen, Maya; Spigset, Olav; Sandvik, Arne Kristian; Albrektsen, Grethe; Røyset, Elin Synnøve; Martinsen, Tom Christian. (2018) Mucosal 5-ASA concentration in the left hemicolon and rectum in patients with quiescent ulcerative colitis. UEG United European Gastroenterology Week (UEGW) , Wien 2018-10-20 - 2018-10-24
2014
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Academic lectureOlaisen, Maya; Fossmark, Reidar; Rydning, Astrid; Martinsen, Tom Christian. (2014) Colectomi av pasienter med aktiv ulcerøs colitt, et tiårsmateriale fra St. Olavs Hospital, Trondheim. Norsk gastroenterologisk forening Norsk gastroenterologisk forenings årsmøte , Lillehammer 2014-01-30 - 2014-02-01