Anders Forss
About me
At the moment, I am completing my specialist training (ST) in gastroenterology and hepatology at Karolinska University Hospital. At the same time, I conduct epidemiological research on gastrointestinal diseases with a focus on inflammatory bowel disease (IBD).
Academic education and qualifications
Docent (Associate Professor) in Gastroenterology, Karolinska Institutet, 2025
PhD, Karolinska Institutet, 2022
Licensed physician, Karolinska University Hospital, 2021
Medical degree, Karolinska Institutet, 2019
Other: Law Degree (LLM), Uppsala University; Reserve Officer Degree, Swedish Armed ForcesResearch description
My research focuses on inflammatory bowel disease (IBD), microscopic colitis, and achalasia.Research funding
Bengt Ihre Research Fellowship (Bengt Ihre Research Fellowship)
Bengt Ihre Research Fund
The Swedish Gastroenterology Fund
Region Stockholm Postdoc Grant
Supervision
PhD student Tanja Walgram, Karolinska Institutet (co-supervisor), 2026 -
PhD student Siri Voghera, Karolinska Institutet (co-supervisor), 2025 -
PhD student Yuanhang Yang, Karolinska Institutet (co-supervisor), PhD 2025
Master's student, Selasie Kwame Darkah, University of Ghana, MSc 2025
Teaching
Study Director for the Doctoral School in Epidemiology for Clinicians, Karolinska Institutet, 2022–2024
Recurring teaching assignments in the Medical Program and Dental Program at Karolinska Institutet, 2019–Memberships and assignments
Board Member, Swedish Association for Epidemiology
Board Member, Swedish Gastroenterology Research Fund
Member of the Swedish Gastroenterology Association
Member of ECCO
Member of SOIBD
Articles
- Article: JOURNAL OF CROHNS & COLITIS. 2026;20(2):jjaf229Axelrad J; Forss A; Soderling J; Marild K; Halfvarson J; Naucler P; Ludvigsson JF; Olen O; Myrelid P; Hjortswang H; Strid H; Andersson MA; Jaghult S; Nordenvall C; Hedin C; Rejler M; Grip O; Fagerberg UL; Hreinsson J
- Journal article: JOURNAL OF CROHNS & COLITIS. 2026;20:jjaf231.1463Broms G; Trudu B; Modin FA; Moshtaghi-Svensson J; Burisch J; Forss A; Jansson S; Ludvigsson J; Marild K; Osooli M; De Ridder L; Wewer V; Malham M; Olen O
- Journal article: JOURNAL OF CROHNS & COLITIS. 2026;20:jjaf231.1418Eriksson C; Forss A; Singh S; Halfvarson J; Sun J; Soderling J; Everhov AH; Broms G; James S; Ludvigsson J; Olen O
- Journal article: JOURNAL OF CROHNS & COLITIS. 2026;20:jjaf231.160Forss A; Axelrad J; Soderling J; Marild K; Hreinsson JP; Grip O; Halfvarson J; Naucler P; Ludvigsson J; Olen O; SWIBREG SG
- Article: CLINICAL GASTROENTEROLOGY AND HEPATOLOGY. 2025;23(13):2468-2476.e7Forss A; Hansson MR; Holmberg D; Thuresson M; Ebrahimi F; Elbe P; Klevebro F; Hakanson B; Thorell A; Ludvigsson JF
- Article: AMERICAN JOURNAL OF GASTROENTEROLOGY. 2025;120(12):2867-2876Forss A; Broms G; Bergman D; Thuresson M; Sun J; Eriksson C; Olen O; Zoller B; Ludvigsson JF
- Journal article: PANCREATOLOGY. 2025;25(7):1325Vujasinovic M; Blazevic N; Maisonneuve P; Forss A; Panic N; Bloch N; Dominguez-Muñoz J; Ludvigsson J; Löhr J-M
- Article: INFLAMMATORY BOWEL DISEASES. 2025;31(10):2787-2797Khalili H; Forss A; Soderling J; Broms G; Eriksson C; Sun J; Ludvigsson JF; Olen O
- Journal article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2025;62(1):91-92Ebrahimi R; Ebrahimi F; Forss A
- Article: EUROPEAN HEART JOURNAL-QUALITY OF CARE AND CLINICAL OUTCOMES. 2025;11(4):415-423Forss A; Ma W; Thuresson M; Sun J; Ebrahimi F; Bergman D; Olen O; Sundstrom J; Ludvigsson JF
- Article: NATURE. 2025;642(8067):458-466Hracs L; Windsor JW; Gorospe J; Cummings M; Coward S; Buie MJ; Quan J; Goddard Q; Caplan L; Markovinovic A; Williamson T; Abbey Y; Abdullah M; Abreu MT; Ahuja V; Raja Ali RA; Altuwaijri M; Balderramo D; Banerjee R; Benchimol EI; Bernstein CN; Brunet-Mas E; Burisch J; Chong VH; Dotan I; Dutta U; El Ouali S; Forbes A; Forss A; Gearry R; Dao VH; Hartono JL; Hilmi I; Hodges P; Jones G-R; Juliao-Banos F; Kaibullayeva J; Kelly P; Kobayashi T; Kotze PG; Lakatos PL; Lees CW; Limsrivilai J; Lo B; Loftus EV; Ludvigsson JF; Mak JWY; Miao Y; Ng KK; Okabayashi S; Olen O; Panaccione R; Paudel MS; Quaresma AB; Rubin DT; Simadibrata M; Sun Y; Suzuki H; Toro M; Turner D; Iade B; Wei SC; Yamamoto-Furusho JK; Yang S-K; Ng SC; Kaplan GG
- Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2025;60(6):526-535Broms G; Forss A; Eriksson J; Askling J; Eriksson C; Halfvarson J; Linder M; Sun J; Westerlund E; Ludvigsson JF; Olen O
- Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2025;61(12):1904-1912Ebrahimi R; Ebrahimi F; Niess JH; Mahdi A; Chen S; Di Vece D; Bian W; Kutz A; Forss A
- Journal article: JOURNAL OF CLINICAL MEDICINE. 2025;14(11):3740Poddighe D; Zhubanova G; Galiyeva D; Mussina K; Forss A
- Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2025;61(10):1649-1661Hjaelte V; Myrelid P; Hjortswang H; Rejler M; Ludvigsson JF; Forss A; Bendtsen M; Olen O; Everhov AH; Eberhardson M
- Journal article: JOURNAL OF CROHNS & COLITIS. 2025;19:i860Bilican G; Karakan T; Gurkan OE; Sabhan H; Hedin C; Forss A; Petrousis G; Cindoruk M; Can A; Haas SL
- Journal article: JOURNAL OF CROHNS & COLITIS. 2025;19:i2208-i2210Forss A; Broms G; Bergman D; Thuresson M; Sun J; Eriksson C; Olen O; Zoller B; Ludvigsson JF
- Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2024;60(11-12):1549-1560Marild K; Soderling J; Axelrad J; Halfvarson J; Forss A; Michalsson K; Olen O; Ludvigsson JF
- Article: CIRCULATION-CARDIOVASCULAR QUALITY AND OUTCOMES. 2024;17(11):e010912Ebrahimi F; Ebrahimi R; Hagstroem H; Sundstroem J; Sun J; Bergman D; Forss A; Ludvigsson JF
- Article: CLINICAL GASTROENTEROLOGY AND HEPATOLOGY. 2024;22(11):2291-2298.e17Yang Y; Ludvigsson JF; Forss A; Faucon A-L; Faye AS; Olen O; Sjoelander A; Carrero JJ
- Article: JOURNAL OF CROHNS & COLITIS. 2024;18(8):1241-1249Atia O; Bryder N; Mendelovici A; Ledderman N; Ben-Tov A; Osooli M; Forss A; Loewenberg Weisband Y; Matz E; Dotan I; Turner D; Olen O
- Article: ESOPHAGUS. 2024;21(3):365-373Forss A; Uchida AM; Roelstraete B; Ebrahimi F; Garber JJ; Sundstrom J; Ludvigsson JF
- Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2024;59(9):1122-1133Eriksson C; Sun J; Bryder M; Broms G; Everhov AH; Forss A; Jernberg T; Ludvigsson JF; Olen O
- Article: CLINICAL GASTROENTEROLOGY AND HEPATOLOGY. 2024;22(4):831-846Histologic Activity in Inflammatory Bowel Disease and Risk of Serious Infections: A Nationwide StudyMarild K; Soderling J; Axelrad J; Halfvarson J; Forss A; Olen O; Ludvigsson JF
- Article: CLINICAL GASTROENTEROLOGY AND HEPATOLOGY. 2023;21(13):3356-3364.e9Forss A; Bergman D; Roelstraete B; Sundstroem J; Mahdi A; Khalili H; Ludvigsson JF
- Article: PLOS MEDICINE. 2023;20(10):e1004305Sun J; Roelstraete B; Svennberg E; Halfvarson J; Sundstrom J; Forss A; Olen O; Ludvigsson JF
- Article: LIVER INTERNATIONAL. 2023;43(10):2186-2197Ebrahimi F; Simon TG; Hagstrom H; Sun J; Bergman D; Forss A; Roelstraete B; Engstrand L; Ludvigsson JF
- Article: DIGESTIVE DISEASES AND SCIENCES. 2023;68(1):65-76Forss A; Clements M; Myrelid P; Strid H; Soderman C; Wagner A; Andersson D; Hjelm F; Olen O; Halfvarson J; Ludvigsson JF
- Article: AMERICAN JOURNAL OF GASTROENTEROLOGY. 2022;117(12):1971-1981Doyle JB; Lebwohl B; Askling J; Forss A; Green PHR; Roelstraete B; Soderling J; Ludvigsson JF
- Article: UNITED EUROPEAN GASTROENTEROLOGY JOURNAL. 2022;10(7):631-639Thunberg J; Bjorkqvist O; Hedin CRH; Forss A; Soderman C; Bergemalm D; Olen O; Hjortswang H; Strid H; Ludvigsson JF; Eriksson C; Halfvarson J
- Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2022;55(6):691-699A nationwide cohort study of the incidence of inflammatory bowel disease in Sweden from 1990 to 2014Forss A; Clements M; Bergman D; Roelstraete B; Kaplan GG; Myrelid P; Halfvarson J; Olen O; Ludvigsson JF
- Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2021;56(6):680-686Forss A; Clements M; Myrelid P; Strid H; Soderman C; Wagner A; Andersson D; Hjelm F; Olen O; Ludvigsson JF; Halfvarson J
- Article: BMC MEDICAL INFORMATICS AND DECISION MAKING. 2019;19(1):217Forss A; Myrelid P; Olen O; Everhov AH; Nordenvall C; Halfvarson J; Ludvigsson JF
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All other publications
- Review: UNITED EUROPEAN GASTROENTEROLOGY JOURNAL. 2025;13(7):1107-1115Vujasinovic M; Blazevic N; Maisonneuve P; Forss A; Panic N; Bloch N; Dominguez Munoz JE; Ludvigsson JF; Lohr J-M
- Review: LIVER INTERNATIONAL. 2025;45(9):e70293Zingone F; Canova C; Forss A; Ebrahimi F; Cazzagon N; Rosato I; Ludvigsson JF
- Conference publication: GASTROENTEROLOGY. 2025;169(1):S1386Forss A; Hansson MR; Holmberg D; Thuresson M; Ebrahimi F; Elbe P; Klevebro F; Hakanson BS; Thorell A; Ludvigsson J
- Conference publication: GASTROENTEROLOGY. 2025;169(1)Coward S; Windsor JW; Hracs L; Gorospe J; Zubieta AA; Benchimol EI; Bernstein CN; Bitton A; Mas EB; Burisch JM; Calvet X; Focht G; Forbes AJ; Forss A; Gearry R; Jones G-R; Kuenzig E; Lakatos PL; Lees CW; Limketkai B; Lo B; V. Loftus E; Ludvigsson J; Ng SC; Olen O; Otley A; Panaccione R; Sanchez JNP; Turner D; Vela E; Kaplan G
- Conference publication: GASTROENTEROLOGY. 2025;169(1)Forss A; Axelrad JE; Soderling J; Marild K; Halfvarson J; Naucler P; Ludvigsson J; Olen O
- Conference publication: GASTROENTEROLOGY. 2025;169(1)Bergman D; Forss A; Sun J; Ebrahimi F; Lindkvist B; Hedin CR; Hagstrom H; Bergquist A; Yao J; Ludvigsson JF
- Conference publication: GASTROENTEROLOGY. 2025;169(1)Bergman D; Forss A; Sun J; Ebrahimi F; Ludvigsson JF
- Conference publication: GASTROENTEROLOGY. 2025;169(1):S58-S59Axelrad JE; Forss A; Soderling J; Marild K; Halfvarson J; Naucler P; Ludvigsson JF; Olen O
- Letter: GUT. 2025;74(3):506-508Bergman D; Forss A; Sun J; Ebrahimi F; Ludvigsson JF
- Editorial: JOURNAL OF CROHNS & COLITIS. 2025;19(1):jjaf013Ebrahimi F; Forss A
- Editorial: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2024;60(10):1449-1450Ebrahimi F; Forss A
- Review: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2024;59(7):821-829Forss A; Flis P; Sotoodeh A; Kapraali M; Rosenborg S
- Letter: CLINICAL GASTROENTEROLOGY AND HEPATOLOGY. 2024;22(3):675-676Forss A; Bergman D; Ludvigsson JF
- Review: CLINICAL AND EXPERIMENTAL RHEUMATOLOGY. 2024;42(3):608-618Forss A; Sotoodeh A; van Vollenhoven RF; Ludvigsson JF
- Review: LUPUS SCIENCE & MEDICINE. 2024;11(1):e001106Sotoodeh A; Hoang MN; Hellgren K; Forss A
- Conference publication: GASTROENTEROLOGY. 2024;166(3):S56-S57Gorospe J; Windsor J; Hracs L; Coward S; Buie M; Quan J; Caplan L; Markovinovic A; Cummings M; Goddard Q; Williamson T; Abbey Y; Abreu M; Ali R; Abdullah M; Altuwaijri M; Ahuja V; Balderramo D; Banerjee R; Benchimol E; Bernstein C; Brunet-Mas E; Burisch J; Chong VH; Dotan I; Dutta U; El Ouali S; Forbes A; Forss A; Gearry R; Dao VH; Hartono J; Hilmi I; Julian-Banos F; Kaibullayeva J; Kelly P; Kotze P; Lakatos P; Lees C; Limsrivilai J; Loftus E; Ludvigsson J; Mak J; Ng KK; Olen O; Panaccione R; Paudel M; Quaresma A; Rubin D; Simadibrata M; Sun Y; Suzuki H; Toro M; Turner D; Vergara BI; Wei S-C; Yamamoto-Furusho J; Yang K-K; Ng S; Kaplan G
- Conference publication: INFLAMMATORY BOWEL DISEASES. 2024;30:s00Hracs L; Windsor J; Gorospe J; Buie M; Quan J; Caplan L; Markovinovic A; Cummings M; Goddard Q; Williamson T; Abbey Y; Abreu M; Ali R; Abdullah M; Altuwaijri M; Ahuja V; Balderramo D; Banerjee R; Benchimol E; Bernstein C; Brunet-Mas E; Burisch J; Chong VH; Dotan I; Dutta U; El Ouali S; Forbes A; Forss A; Gearry R; Dao VH; Hartono J; Hilmi I; Julian-Banos F; Kaibullayeva J; Kelly P; Kotze P; Lakatos P; Lees C; Limsrivilai J; Loftus E; Ludvigsson J; Mak J; Ng KK; Olen O; Panaccione R; Paudel M; Quaresma A; Rubin D; Simadibrata M; Sun Y; Suzuki H; Toro M; Turner D; Vergara BI; Wei S-C; Yamamoto-Furusho J; Yang K-K; Ng S; Coward S; Kaplan G
- Conference publication: INFLAMMATORY BOWEL DISEASES. 2024;30:s00Gorospe J; Windsor J; Hracs L; Coward S; Buie M; Quan J; Caplan L; Markovinovic A; Cummings M; Goddard Q; Williamson T; Abbey Y; Abreu M; Ali R; Abdullah M; Altuwaijri M; Ahuja V; Balderramo D; Banerjee R; Benchimol E; Bernstein C; Brunet-Mas E; Burisch J; Chong VH; Dotan I; Dutta U; El Ouali S; Forbes A; Forss A; Gearry R; Dao VH; Hartono J; Hilmi I; Julian-Banos F; Kaibullayeva J; Kelly P; Kotze P; Lakatos P; Lees C; Limsrivilai J; Loftus E; Ludvigsson J; Mak J; Ng KK; Olen O; Panaccione R; Paudel M; Quaresma A; Rubin D; Simadibrata M; Sun Y; Suzuki H; Toro M; Turner D; Vergara BI; Wei S-C; Yamamoto-Furusho J; Yang K-K; Ng S; Kaplan G
- Preprint: RESEARCH SQUARE. 2024Kaplan G; Hracs L; Windsor J; Gorospe J; Cummings M; Coward S; Buie M; Quan J; Goddard Q; Caplan L; Markovinović A; Williamson T; Abbey Y; Abdullah M; Abreu M; Ahuja V; Ali RAR; Altuwaijri M; Balderramo D; Banerjee R; Benchimol E; Bernstein C; Brunet-Mas E; Burisch J; Chong VH; Dotan I; Dutta U; Ouali SE; Forbes A; Forss A; Gearry R; Dao VH; Hartono J; Hilmi I; Hodges P; Jones G-R; Juliao-Baños F; Kaibullayeva J; Kelly P; Kobayashi T; Kotze P; Lakatos P; Lees C; Limsrivilai J; Lo B; Loftus E; Ludvigsson J; Mak J; Miao Y; Ng KK; Okabayashi S; Olén O; Panaccione R; Paudel M; Quaresma A; Rubin D; Simadibrata M; Sun Y; Suzuki H; Toro M; Turner D; Vergara B; Wei SC; Yamamoto-Furusho J; Yang S-K; Ng S
- Conference publication: JOURNAL OF CROHNS & COLITIS. 2024;18:I163-I164Yang Y; Ludvigsson JF; Forss A; Faucon AL; Faye AS; Olen O; Sjolander A; Carrero JJ
- Editorial: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2023;58(2):254-255Ebrahimi F; Forss A
- Letter: GASTROENTEROLOGY. 2023;164(7):1343-1344Forss A; Ludvigsson JF; Olen O
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Employments
- Affiliated to Research, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2026-2026
- Affiliated to Research, Department of Medicine, Karolinska Institutet, 2023-2026
Degrees and Education
- Docent, Gastroenterology, Karolinska Institutet, 2025
- Degree Of Doctor Of Philosophy, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2022
- Degree Of Master Of Science In Medicine, Karolinska Institutet, 2019
