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Concepts and Instruments for Patient-Reported Outcome Assessment in Celiac Disease: Literature Review and Experts' Perspectives.

Clifford S, Taylor AJ, Gerber M, Devine J, Cho M, Walker R, Stefani I, Fidel S, Drahos J, Leffler DA.

Value Health. 2020 Jan;23(1):104-113. doi: 10.1016/j.jval.2019.07.018. Epub 2020 Jan 8.


Patients over Age 75 Are at Increased Risk of Emergency Department Visit and Hospitalization Following Colonoscopy.

Grossberg LB, Papamichael K, Leffler DA, Sawhney MS, Feuerstein JD.

Dig Dis Sci. 2019 Nov 29. doi: 10.1007/s10620-019-05962-3. [Epub ahead of print]


Inter- and Intra-assay Variation in the Diagnostic Performance of Assays for Anti-tissue Transglutaminase in 2 Populations.

Singh P, Singh A, Silvester JA, Sachdeva V, Chen X, Xu H, Leffler DA, Ahuja V, Duerksen DR, Kelly CP, Makharia GK.

Clin Gastroenterol Hepatol. 2019 Sep 20. pii: S1542-3565(19)31023-7. doi: 10.1016/j.cgh.2019.09.018. [Epub ahead of print]


High Rate of Incomplete Consent for Colonoscopy: Identifying an Area for Improvement in Gastrointestinal Endoscopy.

Fudman DI, Roemi L, Leffler DA, Feuerstein JD.

Am J Med Qual. 2019 Aug 18:1062860619868296. doi: 10.1177/1062860619868296. [Epub ahead of print] No abstract available.


Celiac disease: a comprehensive current review.

Caio G, Volta U, Sapone A, Leffler DA, De Giorgio R, Catassi C, Fasano A.

BMC Med. 2019 Jul 23;17(1):142. doi: 10.1186/s12916-019-1380-z. Review.


Systematic review with meta-analysis: Safety and efficacy of local injections of mesenchymal stem cells in perianal fistulas.

Ciccocioppo R, Klersy C, Leffler DA, Rogers R, Bennett D, Corazza GR.

JGH Open. 2019 Feb 13;3(3):249-260. doi: 10.1002/jgh3.12141. eCollection 2019 Jun. Review.


Angiotensin II receptor blockers and gastrointestinal adverse events of resembling sprue-like enteropathy: a systematic review.

Kamal A, Fain C, Park A, Wang P, Gonzalez-Velez E, Leffler DA, Hutfless SM.

Gastroenterol Rep (Oxf). 2019 Jun;7(3):162-167. doi: 10.1093/gastro/goz019. Epub 2019 Jun 1. Review.


Efficacy of Enteric-Release Oral Budesonide in Treatment of Acute Reactions to Gluten in Patients With Celiac Disease.

Therrien A, Silvester JA, Leffler DA, Kelly CP.

Clin Gastroenterol Hepatol. 2020 Jan;18(1):254-256. doi: 10.1016/j.cgh.2019.03.029. Epub 2019 Mar 21.


Diagnosis and Treatment Patterns in Celiac Disease.

Cichewicz AB, Mearns ES, Taylor A, Boulanger T, Gerber M, Leffler DA, Drahos J, Sanders DS, Thomas Craig KJ, Lebwohl B.

Dig Dis Sci. 2019 Aug;64(8):2095-2106. doi: 10.1007/s10620-019-05528-3. Epub 2019 Mar 1. Review.


Neurological Manifestations of Neuropathy and Ataxia in Celiac Disease: A Systematic Review.

Mearns ES, Taylor A, Thomas Craig KJ, Puglielli S, Leffler DA, Sanders DS, Lebwohl B, Hadjivassiliou M.

Nutrients. 2019 Feb 12;11(2). pii: E380. doi: 10.3390/nu11020380.


Association Between Endoscopist Personality and Rate of Adenoma Detection.

Ezaz G, Leffler DA, Beach S, Schoen RE, Crockett SD, Gourevitch RA, Rose S, Morris M, Carrell DS, Greer JB, Mehrotra A.

Clin Gastroenterol Hepatol. 2019 Jul;17(8):1571-1579.e7. doi: 10.1016/j.cgh.2018.10.019. Epub 2018 Oct 13.


Systematic Literature Review of the Economic Burden of Celiac Disease.

Mearns ES, Taylor A, Boulanger T, Craig KJ, Gerber M, Leffler DA, Drahos J, Sanders DS, Lebwohl B.

Pharmacoeconomics. 2019 Jan;37(1):45-61. doi: 10.1007/s40273-018-0707-5. Review.


Effect of Consent and Educational Adjuncts to Consent on Patient Perceptions About Colonoscopy.

Fudman DI, Papamichael K, Roemi L, Rao V, Falchuk KR, Leffler DA, Feuerstein JD.

J Clin Gastroenterol. 2019 Sep;53(8):e316-e321. doi: 10.1097/MCG.0000000000001093.



Grossberg LB, Leffler DA.

Gastrointest Endosc. 2018 Jul;88(1):205. doi: 10.1016/j.gie.2018.03.010. No abstract available.


Diagnostic Accuracy of Point of Care Tests for Diagnosing Celiac Disease: A Systematic Review and Meta-Analysis.

Singh P, Arora A, Strand TA, Leffler DA, Mäki M, Kelly CP, Ahuja V, Makharia GK.

J Clin Gastroenterol. 2019 Aug;53(7):535-542. doi: 10.1097/MCG.0000000000001081.


Editorial: isolated duodenal eosinophilia-clinical condition or just seeing spots?

Singh P, Leffler DA.

Aliment Pharmacol Ther. 2018 May;47(9):1327-1328. doi: 10.1111/apt.14602. No abstract available.


Global Prevalence of Celiac Disease: Systematic Review and Meta-analysis.

Singh P, Arora A, Strand TA, Leffler DA, Catassi C, Green PH, Kelly CP, Ahuja V, Makharia GK.

Clin Gastroenterol Hepatol. 2018 Jun;16(6):823-836.e2. doi: 10.1016/j.cgh.2017.06.037. Epub 2018 Mar 16.


Outcome measures in coeliac disease trials: the Tampere recommendations.

Ludvigsson JF, Ciacci C, Green PH, Kaukinen K, Korponay-Szabo IR, Kurppa K, Murray JA, Lundin KEA, Maki MJ, Popp A, Reilly NR, Rodriguez-Herrera A, Sanders DS, Schuppan D, Sleet S, Taavela J, Voorhees K, Walker MM, Leffler DA.

Gut. 2018 Aug;67(8):1410-1424. doi: 10.1136/gutjnl-2017-314853. Epub 2018 Feb 13.


Targeted Physician Education and Standardizing Documentation Improves Documented Reporting with Inflammatory Bowel Disease Quality Measures in a Large Academic and Private Practice.

Feuerstein JD, Papamichael K, Popejoy S, Nadelson A, Lewandowski JJ, Geissler K, Martinez-Vazquez M, Leffler DA, Ariyabuddhiphongs K, Thukral C, Cheifetz AS.

Dig Dis Sci. 2018 Jan;63(1):36-45. doi: 10.1007/s10620-017-4845-y. Epub 2017 Nov 17.


The Role of an IgA/IgG-Deamidated Gliadin Peptide Point-of-Care Test in Predicting Persistent Villous Atrophy in Patients With Celiac Disease on a Gluten-Free Diet.

Lau MS, Mooney PD, White WL, Rees MA, Wong SH, Kurien M, Trott N, Leffler DA, Hadjivassiliou M, Sanders DS.

Am J Gastroenterol. 2017 Dec;112(12):1859-1867. doi: 10.1038/ajg.2017.357. Epub 2017 Oct 10.


Disparities Among Gastrointestinal Disorders in Research Funding From the National Institutes of Health.

Clerx E, Kupfer SS, Leffler DA; North American Society for the Study of Celiac Disease.

Gastroenterology. 2017 Oct;153(4):877-880. doi: 10.1053/j.gastro.2017.08.051. Epub 2017 Sep 1. No abstract available.


Physician characteristics associated with higher adenoma detection rate.

Mehrotra A, Morris M, Gourevitch RA, Carrell DS, Leffler DA, Rose S, Greer JB, Crockett SD, Baer A, Schoen RE.

Gastrointest Endosc. 2018 Mar;87(3):778-786.e5. doi: 10.1016/j.gie.2017.08.023. Epub 2017 Sep 1.


Predictors of post-colonoscopy emergency department use.

Grossberg LB, Vodonos A, Papamichael K, Novack V, Sawhney M, Leffler DA.

Gastrointest Endosc. 2018 Feb;87(2):517-525.e6. doi: 10.1016/j.gie.2017.08.019. Epub 2017 Aug 30.


Symptoms of Functional Intestinal Disorders Are Common in Patients with Celiac Disease Following Transition to a Gluten-Free Diet.

Silvester JA, Graff LA, Rigaux L, Bernstein CN, Leffler DA, Kelly CP, Walker JR, Duerksen DR.

Dig Dis Sci. 2017 Sep;62(9):2449-2454. doi: 10.1007/s10620-017-4666-z. Epub 2017 Jul 7.


Tests for Serum Transglutaminase and Endomysial Antibodies Do Not Detect Most Patients With Celiac Disease and Persistent Villous Atrophy on Gluten-free Diets: a Meta-analysis.

Silvester JA, Kurada S, Szwajcer A, Kelly CP, Leffler DA, Duerksen DR.

Gastroenterology. 2017 Sep;153(3):689-701.e1. doi: 10.1053/j.gastro.2017.05.015. Epub 2017 May 22. Review.


A multicenter, retrospective, case-cohort study of the epidemiology and risk factors for Clostridium difficile infection among cord blood transplant recipients.

Alonso CD, Braun DA, Patel I, Akbari M, Oh DJ, Jun T, McMasters M, Hammond SP, Glotzbecker B, Cutler C, Leffler DA, Ballen KK, Kelly CP.

Transpl Infect Dis. 2017 Aug;19(4). doi: 10.1111/tid.12728. Epub 2017 Jul 12.


The impact of acid suppression medications and non-steroidal anti-inflammatory drugs on clinical and histologic features in celiac disease.

Jordan R, Shannahan S, Lewis SK, Krishnareddy S, Leffler DA, Green PHR, Lebwohl B.

Dig Liver Dis. 2017 Aug;49(8):883-886. doi: 10.1016/j.dld.2017.03.018. Epub 2017 Apr 2.


Safety of Adding Oats to a Gluten-Free Diet for Patients With Celiac Disease: Systematic Review and Meta-analysis of Clinical and Observational Studies.

Pinto-Sánchez MI, Causada-Calo N, Bercik P, Ford AC, Murray JA, Armstrong D, Semrad C, Kupfer SS, Alaedini A, Moayyedi P, Leffler DA, Verdú EF, Green P.

Gastroenterology. 2017 Aug;153(2):395-409.e3. doi: 10.1053/j.gastro.2017.04.009. Epub 2017 Apr 18. Review.


Challenges in adapting existing clinical natural language processing systems to multiple, diverse health care settings.

Carrell DS, Schoen RE, Leffler DA, Morris M, Rose S, Baer A, Crockett SD, Gourevitch RA, Dean KM, Mehrotra A.

J Am Med Inform Assoc. 2017 Sep 1;24(5):986-991. doi: 10.1093/jamia/ocx039.


A Novel Patient-Derived Conceptual Model of the Impact of Celiac Disease in Adults: Implications for Patient-Reported Outcome and Health-Related Quality-of-Life Instrument Development.

Leffler DA, Acaster S, Gallop K, Dennis M, Kelly CP, Adelman DC.

Value Health. 2017 Apr;20(4):637-643. doi: 10.1016/j.jval.2016.12.016. Epub 2017 Feb 14.


Diagnostic Yield of Isolated Deamidated Gliadin Peptide Antibody Elevation for Celiac Disease.

Hoerter NA, Shannahan SE, Suarez J, Lewis SK, Green PHR, Leffler DA, Lebwohl B.

Dig Dis Sci. 2017 May;62(5):1272-1276. doi: 10.1007/s10620-017-4474-5. Epub 2017 Feb 4.


Lack of adherence to SHEA-IDSA treatment guidelines for Clostridium difficile infection is associated with increased mortality.

Patel I, Wungjiranirun M, Theethira T, Villafuerte-Galvez J, Castillo N, Akbari M, Alonso CD, Leffler DA, Kelly CP.

J Antimicrob Chemother. 2017 Feb;72(2):574-581. doi: 10.1093/jac/dkw423. Epub 2016 Nov 14.


Salivary Gluten Degradation and Oral Microbial Profiles in Healthy Individuals and Celiac Disease Patients.

Tian N, Faller L, Leffler DA, Kelly CP, Hansen J, Bosch JA, Wei G, Paster BJ, Schuppan D, Helmerhorst EJ.

Appl Environ Microbiol. 2017 Mar 2;83(6). pii: e03330-16. doi: 10.1128/AEM.03330-16. Print 2017 Mar 15.


Is Autoimmunity Infectious? The Effect of Gastrointestinal Viral Infections and Vaccination on Risk of Celiac Disease Autoimmunity.

Silvester JA, Leffler DA.

Clin Gastroenterol Hepatol. 2017 May;15(5):703-705. doi: 10.1016/j.cgh.2016.12.014. Epub 2016 Dec 23. No abstract available.


Prospective randomized controlled study on the effects of Saccharomyces boulardii CNCM I-745 and amoxicillin-clavulanate or the combination on the gut microbiota of healthy volunteers.

Kabbani TA, Pallav K, Dowd SE, Villafuerte-Galvez J, Vanga RR, Castillo NE, Hansen J, Dennis M, Leffler DA, Kelly CP.

Gut Microbes. 2017 Jan 2;8(1):17-32. doi: 10.1080/19490976.2016.1267890. Epub 2016 Dec 14.


Diagnosis and Updates in Celiac Disease.

Shannahan S, Leffler DA.

Gastrointest Endosc Clin N Am. 2017 Jan;27(1):79-92. doi: 10.1016/j.giec.2016.08.011. Review.


Disease activity indices in coeliac disease: systematic review and recommendations for clinical trials.

Hindryckx P, Levesque BG, Holvoet T, Durand S, Tang CM, Parker C, Khanna R, Shackelton LM, D'Haens G, Sandborn WJ, Feagan BG, Lebwohl B, Leffler DA, Jairath V.

Gut. 2018 Jan;67(1):61-69. doi: 10.1136/gutjnl-2016-312762. Epub 2016 Oct 31. Review.


Cancer in first-degree relatives of people with celiac disease.

Emilsson L, Murray JA, Leffler DA, Ludvigsson JF.

Medicine (Baltimore). 2016 Aug;95(32):e4588. doi: 10.1097/MD.0000000000004588.


Creation of a model to predict survival in patients with refractory coeliac disease using a multinational registry.

Rubio-Tapia A, Malamut G, Verbeek WH, van Wanrooij RL, Leffler DA, Niveloni SI, Arguelles-Grande C, Lahr BD, Zinsmeister AR, Murray JA, Kelly CP, Bai JC, Green PH, Daum S, Mulder CJ, Cellier C.

Aliment Pharmacol Ther. 2016 Oct;44(7):704-14. doi: 10.1111/apt.13755. Epub 2016 Aug 3.


An open-access endoscopy screen correctly and safely identifies patients for conscious sedation.

Kothari D, Feuerstein JD, Moss L, D'Souza J, Montanaro K, Leffler DA, Sheth SG.

Gastroenterol Rep (Oxf). 2016 Nov;4(4):281-286. Epub 2016 Jul 31.


The association between socioeconomic status and the symptoms at diagnosis of celiac disease: a retrospective cohort study.

Roy A, Mehra S, Kelly CP, Tariq S, Pallav K, Dennis M, Peer A, Lebwohl B, Green PH, Leffler DA.

Therap Adv Gastroenterol. 2016 Jul;9(4):495-502. doi: 10.1177/1756283X16637532. Epub 2016 Mar 18.


Current and novel therapeutic strategies in celiac disease.

Kurada S, Yadav A, Leffler DA.

Expert Rev Clin Pharmacol. 2016 Sep;9(9):1211-23. doi: 10.1080/17512433.2016.1200463. Epub 2016 Jun 23. Review.


Systematic Analysis and Critical Appraisal of the Quality of the Scientific Evidence and Conflicts of Interest in Practice Guidelines (2005-2013) for Barrett's Esophagus.

Feuerstein JD, Castillo NE, Akbari M, Belkin E, Lewandowski JJ, Hurley CM, Lloyd S, Leffler DA, Cheifetz AS.

Dig Dis Sci. 2016 Oct;61(10):2812-2822. doi: 10.1007/s10620-016-4222-2. Epub 2016 Jun 15. Review.


Localizing Acute Lower Gastrointestinal Hemorrhage: CT Angiography Versus Tagged RBC Scintigraphy.

Feuerstein JD, Ketwaroo G, Tewani SK, Cheesman A, Trivella J, Raptopoulos V, Leffler DA.

AJR Am J Roentgenol. 2016 Sep;207(3):578-84. doi: 10.2214/AJR.15.15714. Epub 2016 Jun 15.


Serum I-FABP Detects Gluten Responsiveness in Adult Celiac Disease Patients on a Short-Term Gluten Challenge.

Adriaanse MP, Leffler DA, Kelly CP, Schuppan D, Najarian RM, Goldsmith JD, Buurman WA, Vreugdenhil AC.

Am J Gastroenterol. 2016 Jul;111(7):1014-22. doi: 10.1038/ajg.2016.162. Epub 2016 May 17.


Current Status of Celiac Disease Drug Development.

Wungjiranirun M, Kelly CP, Leffler DA.

Am J Gastroenterol. 2016 Jun;111(6):779-86. doi: 10.1038/ajg.2016.105. Epub 2016 Mar 29. Review.


Capnographic Monitoring of Moderate Sedation During Low-Risk Screening Colonoscopy Does Not Improve Safety or Patient Satisfaction: A Prospective Cohort Study.

Barnett S, Hung A, Tsao R, Sheehan J, Bukoye B, Sheth SG, Leffler DA.

Am J Gastroenterol. 2016 Mar;111(3):388-94. doi: 10.1038/ajg.2016.2. Epub 2016 Feb 2.


The Morbidity and Mortality Conference in Gastroenterology and Hepatology: An Important Cornerstone of Patient Safety and Optimal Care.

Tapper EB, Leffler DA.

Gastroenterology. 2016 Jan;150(1):19-23. doi: 10.1053/j.gastro.2015.11.027. Epub 2015 Nov 22. Review. No abstract available.


Recent Advances in Celiac Disease from TTG to Gluten in Pee.

Silvester JA, Leffler DA.

Clin Transl Gastroenterol. 2015 Nov 12;6:e125. doi: 10.1038/ctg.2015.53. No abstract available.


Despite sequence homologies to gluten, salivary proline-rich proteins do not elicit immune responses central to the pathogenesis of celiac disease.

Tian N, Leffler DA, Kelly CP, Hansen J, Marietta EV, Murray JA, Schuppan D, Helmerhorst EJ.

Am J Physiol Gastrointest Liver Physiol. 2015 Dec 1;309(11):G910-7. doi: 10.1152/ajpgi.00157.2015. Epub 2015 Oct 1.

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