Mariangela Allocca



Dr. Mariangela Allocca is a gastroenterologist of the Department of Gastroenterology and Digestive Endoscopy of the IRCCS Ospedale San Raffaele under the supervision of Professor Silvio Danese.

After graduating from the Faculty of Medicine and Surgery of the University of Milan in 1995, she specialized in gastroenterology at the same university in 1999. She completed her studies with a PhD in 2004 and a European Fellowship in Gastroenterologia.

Clinically, Dr. Allocca is mainly engaged in the study and treatment of chronic inflammatory bowel diseases, such as:

  • MICI (chronic inflammatory bowel diseases)
  • IBD (inflammatory bowel disease)
  • microscopic colitis

As for scientific activity, the doctor acquired certain skills of non-invasive assessment of chronic inflammatory bowel diseases (MICI/IBD) using imaging techniques such as ultrasound of intestinal loops.

The doctor also collaborates at the national and international levels in research protocols aimed at developing new pharmacological treatments for MICI/IBD.

She is the author and co-author of several scientific articles published in international journals and book chapters. Constantly participates as a speaker at international congresses and conferences in the industry.

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Latest publications

Effectiveness of Mesalazine, Thiopurines and Tumour Necrosis Factor Antagonists in Preventing Post- Operative Crohn's Disease Recurrence in a Real-Life Setting
Digestion. 2017;96(3):166-172;
Allocca M, Landi R, Bonovas S, Fiorino G, Papa A, Spinelli A, Furfaro F, Peyrin-Biroulet L, Armuzzi A, Danese S.
Efficacy of tumour necrosis factor antagonists in stricturing Crohn's disease: A tertiary center real-life experience
Dig Liver Dis. 2017 Aug;49(8):872-877;
Allocca M, Bonifacio C, Fiorino G, Spinelli A, Furfaro F, Balzarini L, Bonovas S, Danese S.
Accuracy of Humanitas Ultrasound Criteria in Assessing Disease Activity and Severity in Ulcerative Colitis: A Prospective Study
J Crohns Colitis. 2018 Nov 28;12(12):1385-1391;
Allocca M, Fiorino G, Bonovas S, Furfaro F, Gilardi D, Argollo M, Magnoni P, Peyrin-Biroulet L, Danese S.
Comparative Accuracy of Bowel Ultrasound Versus Magnetic Resonance Enterography in Combination With Colonoscopy in Assessing Crohn's Disease and Guiding Clinical Decision-making
J Crohns Colitis. 2018 Nov 15;12(11):1280-1287;
Allocca M, Fiorino G, Bonifacio C, Furfaro F, Gilardi D, Argollo M, Peyrin-Biroulet L, Danese S.
Non-invasive Multi-modal Methods to Differentiate Inflamed vs Fibrotic Strictures in Patients With Crohn's Disease
Clin Gastroenterol Hepatol. 2019 Nov;17(12):2397-2415;
Allocca M, Fiorino G, Bonifacio C, Peyrin-Biroulet L, Danese S.
Use of Cross-sectional Imaging for Tight Monitoring of Inflammatory Bowel Diseases
Clin Gastroenterol Hepatol 2020 May;18(6):1309-1323.e4;
Mariangela Allocca, Silvio Danese, Valérie Laurent, Laurent Peyrin-Biroulet
Clinical course of COVID-19 in 41 patients with immune-mediated inflammatory diseases: Experience from humanitas center, Milan
Pharmacol Res. 2020 Oct;160:105061;
Allocca M, Guidelli GM, Borroni RG, Selmi C, Narcisi A, Danese S, Fiorino G.
Milan Ultrasound Criteria are accurate in assessing disease activity in ulcerative colitis: External validation
United European Gastroenterol J. 2020 Dec 21:2050640620980203;
Allocca M, Filippi E, Costantino A, Bonovas S, Fiorino G, Furfaro F, Peyrin-Biroulet L, Fraquelli M, Caprioli F, Danese S.
Patients with Inflammatory Bowel Disease Are Not at Increased Risk of COVID-19: A Large Multinational Cohort Study
J Clin Med. 2020 Oct 31;9(11):3533;
Allocca M, Chaparro M, Gonzalez HA, Bosca-Watts MM, Palmela C, D'Amico F, Zacharopoulou E, Kopylov U, Ellul P, Bamias G, Ntelis V, Lahat A, Mantzaris GJ, Papaconstantinou I, Katsanos K, Uspenskaya Y, Christodoulou D, Ben Horin S, Peyrin-Biroulet L, Torres J, Sebastian S, Gisbert JP, Danese S, Fiorino G.
Maintaining the Quality Standards of Care for Inflammatory Bowel Disease Patients During the COVID- 19 Pandemic
Clin Gastroenterol Hepatol. 2020 Jul;18(8):1882-1883;
Allocca M, Fiorino G, Furfaro F, Gilardi D, Radice S, D'Amico F, Zilli A, Danese S.
Incidence and Patterns of COVID-19 Among Inflammatory Bowel Disease Patients From the Nancy and Milan Cohorts
Clin Gastroenterol Hepatol. 2020 Aug;18(9):2134-2135;
Allocca M, Fiorino G, Zallot C, Furfaro F, Gilardi D, Radice S, Danese S, Peyrin-Biroulet L.
Point-of-Care Ultrasound in Inflammatory Bowel Disease
J Crohns Colitis. 2021 Jan 13;15(1):143-151;
Allocca M, Furfaro F, Fiorino G, Peyrin-Biroulet L, Danese S.
Viral infections in inflammatory bowel disease: Tips and tricks for correct management
World J Gastroenterol. 2021 Jul 21;27(27):4276-4297;
Craviotto V, Furfaro F, Loy L, Zilli A, Peyrin-Biroulet L, Fiorino G, Danese S, Allocca M.
Predictive Value of Bowel Ultrasound in Crohn's Disease: A 12-Month Prospective Study
Clin Gastroenterol Hepatol. 2021 Apr 22:S1542-3565(21)00463-8;
Allocca M, Craviotto V, Bonovas S, Furfaro F, Zilli A, Peyrin-Biroulet L, Fiorino G, Danese S.
ECCO Guidelines on the Prevention, Diagnosis, and Management of Infections in Inflammatory Bowel Disease
J Crohns Colitis. 2021 Jun 22;15(6):879-913.
Kucharzik T, Ellul P, Greuter T, Rahier JF, Verstockt B, Abreu C, Albuquerque A, Allocca M, Esteve M, Farraye FA, Gordon H, Karmiris K, Kopylov U, Kirchgesner J, MacMahon E, Magro F, Maaser C, de Ridder L, Taxonera C, Toruner M, Tremblay L, Scharl M, Viget N, Zabana Y, Vavricka S.

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