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Klinik Çalışmalar

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YorkTest Klinik Çalışmaları

YorkTest, gıda hassasiyetinin insan zihni ve bedeni üzerindeki etkileri konusunda klinik çalışmaları olan tek gıda intolerans testi markasıdır.

YorkTest 39 yılı aşkın geçmişinde çok sayıda klinik çalışmaya ev sahipliği yaparak ıgG bazlı gıda intolerans testinin eliminasyon diyetine etkisini, diyetin spor performansını nasıl etkilediğini, gıda intoleransı ile zihinsel sağlık, obezite, kilo kaybı ve migren arasındaki ilişkisini keşfetmiştir.

YorkTest'in Klinik Çalışmaları

Referanslar

Alpay K et al (2010) Diet restriction in migraine, based on IgG against foods: a clinical double-blind, randomised, cross-over trial. Cephalagia 30:829-37 https://pubmed.ncbi.nlm.nih.gov/20647174/

Aluno A et al (2017) Prevalence and significance of anti-saccharomyces cerevisiae antibodies in primary Sjogren’s syndrome. Clin Exp Rheumatol Jun 29 (Epub ahead of print).https://Www.Ncbi.Nlm.Nih.Gov/Pubmed/28664835

Atkinson W et al (2004) Food elimination based on IgG antibodies in irritable bowel syndrome: a randomised controlled trial. Gut 53:1459-64. https://Www.Ncbi.Nlm.Nih.Gov/Pmc/Articles/PMC1774223/

Bentz S et al (2010) Clinical relevance of IgG antibodies against food antigens in Crohn’s disease: a double-blind cross-over diet intervention study. Digestion 81(4):252-64. https://Www.Researchgate.Net/Publication/41405338

Cai C et al (2014) Serological Investigation of Food Specific Immunoglobulin G Antibodies in Patients with Inflammatory Bowel Diseases. PLoS One 9(11): e112154 https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0112154http://Journals.Plos.Org/Plosone/Article?Id=10.1371/Journal.Pone.0112154

Coucke F (2018) Food intolerance in patients with manifest autoimmunity. Observational study. Autoimmunity Reviews 17:1078-80 https://Www.Ncbi.Nlm.Nih.Gov/Pubmed/30213697

Drisko J et al (2006) Treating IBS with a food elimination diet, followed by food challenge and probiotics. J Am Coll Nutr 25:514-22 https://pubmed.ncbi.nlm.nih.gov/17229899/

Geiselman JF (2019) The Clinical Use of IgG Food Sensitivity Testing with Migraine Headache Patients: a Literature Review. Curr Pain Headache Rep 27;23(11):79. doi: 10.1007/s11916-019-0819-4. https://pubmed.ncbi.nlm.nih.gov/31456119/

Gunasekeera V et al (2016) Treatment of Crohn’s Disease with an IgG-Guided Exclusion Diet: A Randomized Controlled Trial. Digestive Diseases and Sciences 61:1148-57 https://link.springer.com/article/10.1007/s10620-015-3987-z

Hardman G and Hart G (2007) Dietary advice based on food-specific IgG results. Nutrition & Food Science 37:16-23 https://www.emerald.com/insight/content/doi/10.1108/00346650710726913/full/html

Hart G (2017) Food-specific IgG guided elimination diet; a strategy for weight loss? BAOJ Obesity & Weight Loss Management 3:1:12 https://bioaccent.org/obesity/obesity12.pdf

Hart G (2018) Food-specific IgG guided elimination diet; role in irritable bowel syndrome? Int J Nutr Sci & Food Tech 3:4, 57-9 https://www.biocoreopen.org/ijnf/Food-Specific-IgG-Guided-Elimination-Diet-Role-in-Irritable-Bowel-Syndrome.pdf

Hicks K and Hart G (2008) Role for food-specific IgG based elimination diets. Nutrition and Food Science 38, 404-416. https://www.emerald.com/insight/content/doi/10.1108/00346650810906912/full/html

Hvatum M et al (2006), The gut–joint axis: cross reactive food antibodies in rheumatoid arthritis, Gut, 55:1240-47. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1860040/

Jian L et al (2018) Food exclusion based on IgG antibodies alleviates symptoms in ulcerative colitis: A prospective study. Inflamm Bowel Dis doi: 10.1093/ibd/izy110 https://www.researchgate.net/publication/325182114_Food_Exclusion_Based_on_IgG_Antibodies_Alleviates_Symptoms_in_Ulcerative_Colitis_A_Prospective_Study

Karakuła-Juchnowicz H et al (2017) The role of IgG hypersensitivity in the pathogenesis and therapy of depressive disorders. Nutr Neurosci 20:110-8 https://pubmed.ncbi.nlm.nih.gov/25268936/

Karakula-Juchnowicz H et al (2018) The Food-Specific Serum IgG Reactivity in Major Depressive Disorder Patients, Irritable Bowel Syndrome Patients and Healthy Controls. Nutrients 10:548; doi:10.3390/nu10050548 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5986428/

Lewis J et al (2012) Eliminating Immunologically-Reactive Foods from the Diet and its Effect on Body Composition and Quality of Life in Overweight Persons’. J Obes Weig los Ther 2:1 https://www.researchgate.net/publication/315037280_Eliminating_Immunologically-Reactive_Foods_from_the_Diet_and_its_Effect_on_Body_Composition_and_Quality_of_Life_in_Overweight_Persons

Mitchell N et al (2011) Randomised controlled trial of food elimination diet based on IgG antibodies for the prevention of migraine like headaches. Nutr J. 11;10:85 https://pubmed.ncbi.nlm.nih.gov/21835022/

Mullin et al (2010) Testing for food reactions: The good the bad and the ugly. Nutrition in Clinical Practice 25:192-8 https://pubmed.ncbi.nlm.nih.gov/20413700/

Rees T et al (2005) A prospective audit of food intolerance among migraine consumers in primary care clinical practice. Headache Care 2, 11-14. https://www.researchgate.net/publication/228627514_A_prospective_audit_of_food_intolerance_among_migraine_patients_in_primary_care_clinical_practice

Severance E et al (2015) IgG dynamics of dietary antigens point to cerebrospinal fluid barrier or flow dysfunction in first-episode schizophrenia. Brain Behav Immun. 44:148–58 https://pubmed.ncbi.nlm.nih.gov/25241021/

Tao R et al (2019) Chronic Food Antigen-specific IgG-mediated Hypersensitivity Reaction as A Risk Factor for Adolescent Depressive Disorder. Genomics Proteomics Bioinformatics 17(2):183-189. doi: 10.1016/j.gpb.2019.05.002 https://pubmed.ncbi.nlm.nih.gov/31233833/

Virdee K et al (2015) Food-specific IgG antibody-guided elimination diets followed by resolution of asthma symptoms and reduction in pharmacological interventions in two patients: a case report. Glob Adv Health Med 4: 62-6 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4311561/

Wang HY et al (2019) Serological investigation of IgG and IgE antibodies against food antigens in patients with inflammatory bowel disease. World J Clin Cases 26;7(16):2189-2203. doi: 10.12998/wjcc.v7.i16.2189 https://pubmed.ncbi.nlm.nih.gov/31531314/

Wilders-Truschnig M et al (2008) IgG Antibodies against food antigens are correlated with inflammation and intima media thickness in obese juveniles. Exp Clin Endocrinol Diabetes 116:241-5 https://pubmed.ncbi.nlm.nih.gov/18072008/

Xiao N et al (2018) Food-specific IgGs Are highly increased in the sera of patients with Inflammatory Bowel Disease and are clinically relevant to the pathogenesis. Intern Med Advance Publication DOI: 10.20169/internalmedicine.9377-17 https://www.jstage.jst.go.jp/article/internalmedicine/advpub/0/advpub_9377-17/_pdf/-char/en

Xie Y et al (2019) Effects of Diet Based on IgG Elimination Combined with Probiotics on Migraine Plus Irritable Bowel Syndrome. Pain Res Manag 21;2019:7890461. doi: 10.1155/2019/7890461 https://pubmed.ncbi.nlm.nih.gov/31531150/

Yang C and Li Y (2007) The therapeutic effects of eliminating allergic foods according to food-specific IgG antibodies in irritable bowel syndrome. Zhonghua Nei Ke Za Zhi 46:641-3 https://www.researchgate.net/publication/5879399_The_therapeutic_effects_of_eliminating_allergic_foods_according_to_food-specific_IgG_antibodies_in_irritable_bowel_syndrome

Zar S et al (2005) Food-specific IgG antibody guided exclusion diet improves symptoms and rectal compliance in IBS. Scand J Gastroenterol 40:800-7 https://www.researchgate.net/publication/5879399_The_therapeutic_effects_of_eliminating_allergic_foods_according_to_food-specific_IgG_antibodies_in_irritable_bowel_syndrome

Sports Performance

Gut Microbiota, IgG-Guided Elimination Diet and Sports Performance

Our Scientific Director Dr Gill Hart published a paper on how diet plays a key role in an active person’s preparation, competition and recovery strategies. https://sbxe62pla7z2blpgz26yfeif-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Sports-Performance.pdf

Food Intolerance and IBS

Peer-reviewed & Published Paper January 2018

Read this new peer-reviewed published paper which provides information about the benefit of food-specific IgG-guided elimination diet for those with IBS. Written by our Scientific Director Dr Gill Hart. https://www.yorktest.com/uploads/pdfs/ibs-ijnf-white-paper-2018.pdf

IBS Clinical Trial

A clinical trial, published in the medical journal GUT, focused on diagnosed sufferers of Irritable Bowel Syndrome. https://www.yorktest.com/uploads/pdfs/ibs-clinical-trial-paper.pdf

Food Intolerance and Mental Health

Peer-reviewed Paper 2017

A peer-reviewed paper by our Scientific Director, Dr Gill Hart, which provides information about the evidence linking diet and gut health to mental health symptoms, and the role for an IgG-guided elimination diet. https://www.yorktest.com/uploads/pdfs/mental-health-white-paper-2017.pdf

Weight Loss

Obesity And Weight Loss White Paper September 2017

There are countless dietary programmes on the market, but none of them recognises the possibility that certain foods, even healthy ones like tomatoes or carrots, could be problematic if they trigger an immune system response in overweight individuals. Eliminating foods that are IgG-reactive, while replacing them with similar, non-reactive foods to ensure that nutrient deficiencies do not occur, is a relatively new concept for a diet. This new published paper examines the viability of a food-specific IgG guided elimination diet as a weight loss strategy. https://www.yorktest.com/uploads/pdfs/weight-loss-whitepaper-2017.pdf

YorkTest Survey

University of York Study

Survey of over 5000 people taking the yorktest food intolerance programme; commissioned by Allergy UK and feedback analysed by the University of York. https://www.yorktest.com/uploads/pdfs/5000_survey_hardman_and_hart.pdf

Migraine Research

Migraine Study 2005

A prospective audit looked at migraine sufferers to determine whether eliminating the foods highlighted in the result of a yorktest food-specific IgG antibody test could improve their condition. https://www.yorktest.com/uploads/pdfs/migraine-study-2005.pdf

Migraine Study 2011

Research from the University of York further supported the finding of the 2005 Migraine Audit. https://www.yorktest.com/uploads/pdfs/migraine-study-2011.pdf

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Dünyanın klinik çalışması olan tek gıda intolerans testi YorkTest ile semptomlarından kurtulan, diyetisyenlerimizin özel olarak hazırladığı beslenme programları ile hayat kalitesini arttıran müşterilerimizin başarı hikayelerini dinleyin…

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