Study Results
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Basic Information
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COMPLETED
244 participants
OBSERVATIONAL
2020-01-01
2022-01-01
Brief Summary
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Among the extra-intestinal symptoms, several studies have shown, in patients with NCWS, the presence of anemia, generally mild, often with iron or folate deficiency characteristics, but no research has ever been planned with the specific intention of analyze this particular aspect of the disease.
Therefore, the aim of the present multicentric research was to analyze, both retrospectively and prospectively, the laboratory data of NCWS patients, compared to CD and IBS controls, to identify: a) the presence, severity and morphologic characteristic of anemia; 2) possible pathogenic mechanisms.
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Detailed Description
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There are conflicting data about the real mechanisms which induce symptoms in NCGS/NCWS patients after wheat ingestion. Some authors suggested a prevalent role for Fermentable Oligosaccharides-Disaccharides-Monosaccharides and Polyols (FODMAPs), rather than gluten in determining the symptoms. Other studies underlined the activation of mechanisms of both innate and acquired immunity in NCWS patients after wheat ingestion.
Given the lack of a diagnostic biomarker, NCGS/NCWS mostly remains a diagnosis of exclusion, especially respect to CD and WA, so a confirmatory test is required. The "Salerno criteria" suggested the double-blind, placebo-controlled (DBPC), cross-over, gluten/wheat challenge as the gold standard test to discriminate true NCGS/NCWS patients.
By definition, NCGS/NCWS symptoms generally occur after the ingestion of gluten/wheat, disappear within a few days of a gluten-free diet (GFD) and quickly reappear when gluten/wheat is, voluntarily or accidentally, reintroduced. However, GDF is very difficult and onerous from a social (presence of gluten in many industrial food products and "contamination", both domestic and extra-domestic), psychological (e.g. for adolescents, exclusion from the "peer group", with difficulty in accepting the diagnosis) and economic point of view.
Among the extra-intestinal symptoms, several studies have shown, in patients with NCWS, the presence of anemia, generally mild, often with iron or folate deficiency characteristics, but no research has ever been planned with the specific intention of analyze this particular aspect of the disease.
Therefore, the aim of the present multicentric research was to analyze, both retrospectively and prospectively, the laboratory data of NCWS patients, compared to CD and IBS controls, to identify: a) the presence, severity and morphologic characteristic of anemia; 2) possible pathogenic mechanisms, with particular attention to iron, vitamin B12 and folate metabolism, thyroid hormones, and autoimmune gastric involvement.
Conditions
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Study Design
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CASE_CONTROL
PROSPECTIVE
Study Groups
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NCWS retrospective and prospective patients
The clinical charts of NCWS patients, diagnosed by DBPC gluten/wheat challenge, between January 2001 and December 2019, attending the Department of Internal Medicine at the University Hospital of Palermo, the Department of Internal Medicine of the Hospital of Sciacca, and the Department of Medical and Surgical Sciences of the University of Bologna, will be reviewed retrospectively. The investigators prospectively will also survey patients with functional gastroenterological symptoms according to the Rome III criteria, and a definitive diagnosis of NCWS by DBPC gluten/wheat challenge. The patients will be recruited between January 2019 and January 2022 at the same centers, and at the Internal Medicine Division of the "Cervello-Villa Sofia" Hospital of Palermo, Palermo.
Evaluation of anemia
Evaluation of anemia in NCWS patients, and in CD and IBS controls, with both retrospective and prospective method.
CD retrospective and prospective control patients
To compare the presence and characteristics of anemia in NCWS patients, the clinical charts of a control group of CD patients had been randomly chosen by a computer-generated method from patients diagnosed in the same centers, during the same period (2001-2019), and age- and sex-matched with the NCWS patients. The investigators prospectively will also survey a control group of CD patients randomly chosen by a computer-generated method from subjects diagnosed in the same centers, during the same period (2019-2022), and age- and sex-matched with the NCWS patients.
Evaluation of anemia
Evaluation of anemia in NCWS patients, and in CD and IBS controls, with both retrospective and prospective method.
IBS retrospective and prospective control patients
To compare the presence and characteristics of anemia in NCWS patients, the clinical charts of another control group of IBS patients had been randomly chosen by a computer-generated method from patients diagnosed in the same centers, during the same period (2001-2019), and age- and sex-matched with the NCWS patients. The investigators prospectively will also survey a control group of IBS patients randomly chosen by a computer-generated method from subjects diagnosed in the same centers, during the same period (2019-2022), and age- and sex-matched with the NCWS patients.
Evaluation of anemia
Evaluation of anemia in NCWS patients, and in CD and IBS controls, with both retrospective and prospective method.
Interventions
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Evaluation of anemia
Evaluation of anemia in NCWS patients, and in CD and IBS controls, with both retrospective and prospective method.
Eligibility Criteria
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Inclusion Criteria
\- negative serum anti-transglutaminase (anti-tTG) and anti-endomysium (EmA) immunoglobulin (Ig)A and IgG antibodies, absence of intestinal villous atrophy, negative IgE-mediated immune-allergy tests to wheat (skin prick tests and/or serum specific IgE detection), resolution of the IBS symptoms on standard elimination diet, excluding wheat, cow's milk, egg, tomato, chocolate, and other self-reported food(s) causing symptoms, symptom reappearance on double-blind placebo-controlled (DBPC) wheat challenge. As the investigators previously described in other studies, DBPC cow's milk protein challenge and other "open" food challenges will be performed too.
2. To diagnose CD the standard criteria will be adopted. All the patients will meet the following criteria:
\- positive serum anti-transglutaminase (anti-tTG) and anti-endomysium (EmA) immunoglobulin (Ig)A and IgG antibodies presence of intestinal villous atrophy.
3. To diagnose IBS the standard Rome II (for retrospective patients) and Rome III (for prospective patients) Criteria will be adopted. None of these subjects improved on an elimination diet without wheat, cow's milk, egg, tomato, or chocolate.
Exclusion Criteria
18 Years
65 Years
ALL
No
Sponsors
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University of Palermo
OTHER
Responsible Party
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Pasquale Mansueto
Principal Investigator
Principal Investigators
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Pasquale Mansueto, MD
Role: PRINCIPAL_INVESTIGATOR
University of Palermo
Locations
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Department of Internal Medicine, Giovanni Paolo II Hospital of Sciacca
Sciacca, Agrigento, Italy
Internal Medicine Division of the "Cervello-Villa Sofia" Hospital
Palermo, PA, Italy
Department of Internal Medicine, University Hospital of Palermo
Palermo, , Italy
Countries
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References
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Mansueto P, Soresi M, La Blasca F, Fayer F, D'Alcamo A, Carroccio A. Body Mass Index and Associated Clinical Variables in Patients with Non-Celiac Wheat Sensitivity. Nutrients. 2019 May 29;11(6):1220. doi: 10.3390/nu11061220.
Carroccio A, Giannone G, Mansueto P, Soresi M, La Blasca F, Fayer F, Iacobucci R, Porcasi R, Catalano T, Geraci G, Arini A, D'Alcamo A, Villanacci V, Florena AM. Duodenal and Rectal Mucosa Inflammation in Patients With Non-celiac Wheat Sensitivity. Clin Gastroenterol Hepatol. 2019 Mar;17(4):682-690.e3. doi: 10.1016/j.cgh.2018.08.043. Epub 2018 Aug 21.
Carroccio A, D'Alcamo A, Cavataio F, Soresi M, Seidita A, Sciume C, Geraci G, Iacono G, Mansueto P. High Proportions of People With Nonceliac Wheat Sensitivity Have Autoimmune Disease or Antinuclear Antibodies. Gastroenterology. 2015 Sep;149(3):596-603.e1. doi: 10.1053/j.gastro.2015.05.040. Epub 2015 May 27.
Carroccio A, Soresi M, D'Alcamo A, Sciume C, Iacono G, Geraci G, Brusca I, Seidita A, Adragna F, Carta M, Mansueto P. Risk of low bone mineral density and low body mass index in patients with non-celiac wheat-sensitivity: a prospective observation study. BMC Med. 2014 Nov 28;12:230. doi: 10.1186/s12916-014-0230-2.
Mansueto P, Seidita A, D'Alcamo A, Carroccio A. Non-celiac gluten sensitivity: literature review. J Am Coll Nutr. 2014;33(1):39-54. doi: 10.1080/07315724.2014.869996.
Carroccio A, Rini G, Mansueto P. Non-celiac wheat sensitivity is a more appropriate label than non-celiac gluten sensitivity. Gastroenterology. 2014 Jan;146(1):320-1. doi: 10.1053/j.gastro.2013.08.061. Epub 2013 Nov 22. No abstract available.
Carroccio A, Mansueto P, Iacono G, Soresi M, D'Alcamo A, Cavataio F, Brusca I, Florena AM, Ambrosiano G, Seidita A, Pirrone G, Rini GB. Non-celiac wheat sensitivity diagnosed by double-blind placebo-controlled challenge: exploring a new clinical entity. Am J Gastroenterol. 2012 Dec;107(12):1898-906; quiz 1907. doi: 10.1038/ajg.2012.236. Epub 2012 Jul 24.
Volta U, De Giorgio R, Caio G, Uhde M, Manfredini R, Alaedini A. Nonceliac Wheat Sensitivity: An Immune-Mediated Condition with Systemic Manifestations. Gastroenterol Clin North Am. 2019 Mar;48(1):165-182. doi: 10.1016/j.gtc.2018.09.012. Epub 2018 Dec 13.
Uhde M, Ajamian M, Caio G, De Giorgio R, Indart A, Green PH, Verna EC, Volta U, Alaedini A. Intestinal cell damage and systemic immune activation in individuals reporting sensitivity to wheat in the absence of coeliac disease. Gut. 2016 Dec;65(12):1930-1937. doi: 10.1136/gutjnl-2016-311964. Epub 2016 Jul 25.
Volta U, Pinto-Sanchez MI, Boschetti E, Caio G, De Giorgio R, Verdu EF. Dietary Triggers in Irritable Bowel Syndrome: Is There a Role for Gluten? J Neurogastroenterol Motil. 2016 Oct 30;22(4):547-557. doi: 10.5056/jnm16069.
Volta U, Caio G, De Giorgio R. Is Autoimmunity More Predominant in Nonceliac Wheat Sensitivity Than Celiac Disease? Gastroenterology. 2016 Jan;150(1):282. doi: 10.1053/j.gastro.2015.08.058. Epub 2015 Nov 23. No abstract available.
De Giorgio R, Volta U, Gibson PR. Sensitivity to wheat, gluten and FODMAPs in IBS: facts or fiction? Gut. 2016 Jan;65(1):169-78. doi: 10.1136/gutjnl-2015-309757. Epub 2015 Jun 15.
Di Sabatino A, Volta U, Salvatore C, Biancheri P, Caio G, De Giorgio R, Di Stefano M, Corazza GR. Small Amounts of Gluten in Subjects With Suspected Nonceliac Gluten Sensitivity: A Randomized, Double-Blind, Placebo-Controlled, Cross-Over Trial. Clin Gastroenterol Hepatol. 2015 Sep;13(9):1604-12.e3. doi: 10.1016/j.cgh.2015.01.029. Epub 2015 Feb 19.
Caio G, Volta U, Tovoli F, De Giorgio R. Effect of gluten free diet on immune response to gliadin in patients with non-celiac gluten sensitivity. BMC Gastroenterol. 2014 Feb 13;14:26. doi: 10.1186/1471-230X-14-26.
Other Identifiers
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ACPM25
Identifier Type: -
Identifier Source: org_study_id
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