CELIAKI Var står vi idag?

Anneli Ivarsson Docent & Barnläkare

BARNVECKAN I JÖNKÖPING 2010

Institutionen för Folkhälsa och Klinisk Medicin Enheten för Epidemiologi och Global Hälsa Umeå universitet The Swedish Epidemic

300

0-1.9 year

250 2-4.9 year

5-14.9 year years 200

150 000 person

100 ses per 100 50 Ca

0 1975 1980 1985 1990 1995 2000

Year of diagnosis

Ivarsson A et al. Acta Paediatr. 2000;89:165-71 Olsson C, et al Pediatrics 2008;122:528-534 Multifactorial aetiology

Lifestyle

CD

Genes Gluten

Ivarsson A, Myleus A, Wall S. Towards preventing celiac disease - an epidemiological approach. In: Fasano A, Troncone R, Branski D, eds. Pediatric and Adolescent Medicine. New Frontiers in Celiac Disease. Karger Publishers, Basel, Switzerland. 2008, pp 198-209

A two-ppghase CD screening

8 1993 19922005-2006 7 1991 1987-88 6 1989-90 ths

rr 1994 1985-86 5 2009-2010 per 1000 bi

ss 4 1995 1983-84 1997 Case 3 1996 2000 1999 1998 2001 1978-82 2 1973-77 2002 1

0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Age (years)

Ivarsson A, et al. Acta Paediatr. 2000;89:165-71 Olsson C, et al Pediatrics 2008;122:528-534 Screening Exppgloring the Iceber g of Celiacs in

A multicenter study with a two-phase cross-sectional CD screening All 6th ggyrade children at five study sites Umeå Phase I: 2005-2006: 10 041 children born in 1993 Norrtälje Phase II: 2009-2010: Norrköping 8 000 children born in 1997 Växjö LdLund Results from phase I Phase I Phase II

898.9 per 10001 000

21 per 1 000

Children born in 1993 Children born in 1997 An increase in prevalence over time

Current screening 29 per 1000 (95% CI 25 – 33)

PiPrevious screen ing 5.3 per 1000 (95% CI 2.5 – 9.7) Study protocols & Questionnaires Prevalence CD Diagnostics markers & biopsy Weight & height

Health & Genetics Quality of life

Screening Health diabetes type 2 Substudies economics

Autoimmunity Symptoms Rome III

Complience & effect Immunology gltluten free diet Gluten free diet intervention www.simsam.org.umu.se 1973-1990 1991-1997 1998 – 15 % 40 % 100 % (?) Göteborg Göteborg Nationell täckning Lund Lund Norrköping Norrköping Umeå Umeå Växjö Växjö Danderyd Huddinge Jönköping Linköping Skellefteå Uddevalla Västerås Örebro The Swedish Epidemic

300

0-1.9 year

250 2-4.9 year

5-14.9 year years 200

150 000 person 100 ? ses per 100

aa 50 C

0 1975 1980 1985 1990 1995 2000

Year of diagnosis

Ivarsson A et al. Acta Paediatr. 2000;89:165-71 Olsson C, et al Pediatrics 2008;122:528-534 Regional variation in celiac disease incidence

Olsson C, et al Pediatrics 2008;122:528-534 Regional variation in celiac disease incidence

Upper Norrland

Middle Norrland

North Middle Sweden Cases per 100 000 person years 21-25 East Middle Sweden 26-30 Småland and the islands 31-35

36-40

Olsson C, et al Pediatrics 2008;122:528-534 Regional variation - ETICS I

20 / 1000 (95% CI 12 – 27)

27 / 1000 (95% CI 16 – 40)

27 / 1000 (95% CI 17 – 38)

41 / 1000 (95% CI 29 – 53)

34 / 1000 (95% CI 28 – 40)

Illustration by Erik Winbo www.winboartstudio.com Prevalence of celiac disease

29 / 1000

10 / 1000

3 / 1000

10 / 1000 10 / 1000 3 / 1000 5 / 1000

6 / 1000 8 / 1000 56 / 1000

Carlsson A.K, et al. Pediatrics, 2001;107: 42-5 Fasano A, et al. Arch Intern Med, 2003;163: 286-92 Maki M, et al. N Engl J Med, 2003;348:2517-24 Dube C, et al. Gastroenterology, 2005;128: S57-67 Tommasini A, et al.Arch Dis Child, 2004;89:512-5 Rewers M, Gastroenterology, 2005;128:S47-51 Hariz MB, et al Eur J Gastroenterol Hepatol, 2007;19:687- Catassi C. et al The global village of coeliac disease, 2005 694 Hur vanlig är celiaki?

1 per 1000 4 per 1000 (0.4%) 10 per 1000 (1.0%) 30 per 1000 (3.0%) Clinical implications

Classical symptoms Atypical symptoms Diffuse symptoms No symptoms

Current age of the Number of celiac epidemic cohorts Prevalens 3% disease cases Children 1,5 million 14 – 26 years ~ 45 000 cases 30 000 cases undiagnosed

Myleus A, et al. J Pediatr Gastroenterol Nutr 2009;49:170-176 Clinical implications – all ages

0-13 years 14-26 years >26 years

Prevalens 2% Prevalens 3% Prevalens 0.5%

Approximately 100 000 celiacs in Sweden

Ivarsson A, et al. J Int Med 1999;245:63-68 Olsson C, et al Pediatrics 2008;122:528-534 Myleus A, et al. J Pediatr Gastroenterol Nutr 2009;49:170-176 2002

Wheat consumption

70

65

60

55 er capita) pp

50

Wheat (kg 45

40 1850 1890 1930 1970

1970 1975 1980 1985 1990 1995 2000 2005

Years period

Adapted from www.fao.org [CCP:GR-RI/04/4] COLLABORATORSTACK!

Anneli Ivarsson (PI) Marie-Louise Hammarström Annelie Carlsson Britta Halvarsson Lars Stenhammar Dan Holmberg Lars Danielsson Eckart Mummert Eva Karlsson Maria Emmelin OfSOlof Sandströ m Agneta Hörnell Lotta Högberg Cecilia Olsson Lotta Webb Curt Löfgren Solveig Hammarroth Lars Lindholm Olle Hernell Stig Wall Hans Stenlund Anna Myléus Marie Lindqvist Anna Rosén Katrina Nordyke Cathrine Astermark Fredrik Norström Ann-Catrin Andersson Carina Lagerqvist Gudrun Hellgren CtCatar ina Lun dlldell ÅSdtöÅsa Sundström Ethel Kautto Birgitta Isaksson Anna Eriksson Barbro Skog www.etics.se Anette Eriksson SWlthSusanne Walther www.preventdtcd.com Monica Roos Solveig Linghult Ruthgerd Larsson Barbro Larsson