By Professor Emad El-Omar

Journal articles

McColl KEL; Dickson A; El-Nujumi A; El-Omar E; Kelman A, 2000, 'Symptomatic benefit 1-3 years after H. pylori eradication in ulcer patients: Impact of gastroesophageal reflux disease', American Journal of Gastroenterology, 95, pp. 101 - 105, http://dx.doi.org/10.1016/S0002-9270(99)00765-0

McColl KEL; Gillen D; El-Omar E, 2000, 'The role of gastrin in ulcer pathogenesis', Bailliere S Best Practice and Research in Clinical Gastroenterology, 14, pp. 13 - 26, http://dx.doi.org/10.1053/bega.1999.0056

Palli D; Masala G; Russo A; Saieva C; Bazzoli F; Brenner H; Bode G; Boeing H; Parsonnet J; El-Omar E; McColl KEL, 2000, 'When enthusiasm is infectious [1] (multiple letters)', Gastroenterology, 119, pp. 274 - 276, http://dx.doi.org/10.1053/gast.2000.9116

El-Omar EM; Wang CD; McColl KE; Rabkin CS, 2000, 'Interleukin-10 promoter polymorphisms influence risk of chronic H-pylori infection.', GASTROENTEROLOGY, 118, pp. A889 - A889, http://dx.doi.org/10.1016/S0016-5085(00)85694-2

El-Omar EM; Chow WHM; McColl KE; Fraumeni JF; Rabkin CS, 2000, 'Interleukin-1β-enhancing genotypes are associated with increased risk of gastric cancer and its precursors.', GASTROENTEROLOGY, 118, pp. A181 - A181, http://dx.doi.org/10.1016/S0016-5085(00)82800-0

McColl KEL; Murray LS; El-Omar EM, 1999, 'Helicobacter pylori and nonulcer dyspepsia -: Reply', NEW ENGLAND JOURNAL OF MEDICINE, 340, pp. 1509 - 1510

Lieber CS; Puspok A; Oberhubek G; Logan RFA; Logan RPH; Ganz PA; Scott BB; McColl KEL; Murray LS; El-Omar EM; Blum AL; Talley NJ; Stolte M; Friedman LS, 1999, 'Helicobacter pylori and nonulcer dyspepsia [1] (multiple letters)', New England Journal of Medicine, 340, pp. 1508 - 1511, http://dx.doi.org/10.1056/NEJM199905133401912

Smith AD; Gillen D; Cochran KM; El-Omar E; McColl KEL, 1999, 'Dyspepsia on withdrawal of ranitidine in previously asymptomatic volunteers', American Journal of Gastroenterology, 94, pp. 1209 - 1213, http://dx.doi.org/10.1016/S0002-9270(99)00124-0

Mccoll KEL; Dickson A; El-Nujumi A; El-Omar E; Kelman A, 1999, 'Symptomatic benefit 1-3 years post H-pylori eradication in ulcer patients: Impact of reflux disease', GUT, 44, pp. A120 - A120, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000079446300478&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

McColl KEL; Murray LS; El-Omar EM, 1999, 'Reply', Gastroenterology, 117, pp. 271 - 272, http://dx.doi.org/10.1016/s0016-5085(99)70580-9

McColl K; Murray L; El-Omar E; Dickson A; El-Nujumi A; Wirz A; Kelman A; Penny C; Knill-Jones R; Hilditch T, 1998, 'Symptomatic benefit from eradicating Helicobacter pylori infection in patients with nonulcer dyspepsia', New England Journal of Medicine, 339, pp. 1869 - 1874, http://dx.doi.org/10.1056/NEJM199812243392601

McColl KEL; Gillen D; El-Omar E; Ardill J, 1998, 'Effect of antral atrophy on gastric function in h. pylori infection: Relevance to progression to pangastritis', Zeitschrift Fur Gastroenterologie, 36, pp. 1090

El-Omar E; Oien K; El-Nujumi A; Wirz A; Gillen D; Williams C; Ardill JES; Fullarton G; McColl KEL, 1998, 'Prevalence of atrophy and hypochlorhydria is high in gastric cancer relatives and related to H-pylori status.', GASTROENTEROLOGY, 114, pp. A590 - A590, http://dx.doi.org/10.1016/S0016-5085(98)82402-5

McColl KEL; Murray LS; El-Omar E; Kelman AW; Dickson A; El-Nujumi A; Wirz A; Knill-Jones R; Penney C; Cochrane K; Danesh B; Gaw N; Wilson F, 1998, 'UK MRC trial of H-pylori eradication therapy for non-ulcer ulcer dyspepsia.', GASTROENTEROLOGY, 114, pp. A222 - A222, http://dx.doi.org/10.1016/S0016-5085(98)80900-1

McColl KEL; El-Omar E; Gillen D; Oien K, 1998, 'H-pylori-associated hypochlorhydria - Reply', GASTROENTEROLOGY, 114, pp. 620 - 621, http://dx.doi.org/10.1016/S0016-5085(98)70559-1

El-Omar E; Oien K; El-Nujumi A; Wirz A; Gillen D; Williams C; Ardill JES; Fullarton G; Mccoll KEL, 1998, 'Prevalence of atrophy and hypochlorhydria is high in gastric cancer relatives and related to H-pylori status.', GUT, 42, pp. A51 - A51, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000072567900205&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Mccoll KEL; Murray LS; El-Omar E; Kelman AW; Dickson A; El-Nujumi A; Wirz A; Knill-Jones R; Penney C; Cochrane K; Danesh B; Gaw N; Wilson F, 1998, 'UK MRC trial of H-pylori eradication therapy for non-ucler dyspepsia', GUT, 42, pp. A3 - A3, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000072567900011&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

McColl KEL; El-Nujumi A; Murray LS; El-Omar EM; Dickson A; Kelman AW; Hilditch TE, 1998, 'Assessment of symptomatic response as predictor of Helicobacter pylori status following eradication therapy in patients with ulcer', Gut, 42, pp. 618 - 622, http://dx.doi.org/10.1136/gut.42.5.618

Beales ILP; McColl KEL; El-Omar E; Gillen D; Oien K, 1998, 'H. pylori-associated hypochlorhydria [2] (multiple letters)', Gastroenterology, 114, pp. 618 - 620, http://dx.doi.org/10.1016/s0016-5085(98)70558-x

McColl KEL; El-Omar E; Gillen D, 1998, 'Interactions between H. pylori infection, gastric acid secretion and anti-secretory therapy', British Medical Bulletin, 54, pp. 121 - 138, http://dx.doi.org/10.1093/oxfordjournals.bmb.a011663

Gillen D; El-Omar EM; Wirz AA; Ardill JES; McColl KEL, 1998, 'The acid response to gastrin distinguishes duodenal ulcer patients from Helicobacter pylori-infected healthy subjects', Gastroenterology, 114, pp. 50 - 57, http://dx.doi.org/10.1016/S0016-5085(98)70632-8

McColl KEL; EI-Nujumi A; Murray LS; El-Omar EM; Dickson A; Kelman AW; Hilditch TE, 1998, 'Assessment of symptomatic response as predictor of Helicobacter pylori status following eradication therapy in patients with ulcer', European Journal of Gastroenterology & Hepatology, 10, pp. 626 - 626, http://dx.doi.org/10.1097/00042737-199807000-00025

McColl KEL; El-Omar EM; Gillen D, 1997, 'Alterations in gastric physiology in Helicobacter pylori infection: Causes of different diseases or all epiphenomena?', Italian Journal of Gastroenterology and Hepatology, 29, pp. 459 - 464

McColl KEL; El-Omar E; Gillen D; Banerjee S, 1997, 'The role of Helicobacter pylori in the pathophysiology of duodenal ulcer disease and gastric cancer', Seminars in Gastrointestinal Disease, 8, pp. 142 - 155

McColl KEL; El-Omar EM; Gillen D, 1997, 'The role of H. Pylori infection in the pathophysiology of duodenal ulcer disease', Journal of Physiology and Pharmacology, 48, pp. 287 - 295

El-Omar EM; Oien K; El-Nujumi A; Gillen D; Wirz A; Dahill S; Williams C; Ardill JES; McColl KEL, 1997, 'Helicobacter pylori infection and chronic gastric acid hyposecretion', Gastroenterology, 113, pp. 15 - 24, http://dx.doi.org/10.1016/S0016-5085(97)70075-1

Talley NJ; Agreus L; Van Zanten SV; McColl KEL; El-Omar EM; Banerjee S; Wirz A, 1997, 'The Glasgow Dyspepsia Severity Score - A tool for the global measurement of dyspepsia (multiple letters) [1]', European Journal of Gastroenterology and Hepatology, 9, pp. 413 - 414, http://dx.doi.org/10.1097/00042737-199704000-00018

McColl KEL; El-Nujumi A; Murray L; El-Omar E; Gillen D; Dickson A; Kelman A; Hilditch TE, 1997, 'The Helicobacter pylori breath test: A surrogate marker for peptic ulcer disease in dyspeptic patients', Gut, 40, pp. 302 - 306, http://dx.doi.org/10.1136/gut.40.3.302

McColl KEL; El-Omar EM; Gillen D, 1997, 'Alterations in gastric physiology in Helicobacter pylori infection: causes of different diseases or all epiphenomena? (vol 29, pg 459, 1997)', ITALIAN JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 29, pp. 631 - 631

McColl KEL; ElOmar EM; Banerjee S; Wirz A, 1997, 'Is the Glasgow Dyspepsia Severity Score a useful tool for the measurement of dyspepsia? Reply', EUROPEAN JOURNAL OF GASTROENTEROLOGY & HEPATOLOGY, 9, pp. 413 - 414, http://dx.doi.org/10.1097/00042737-199704000-00019

El-Omar E; Banerjee S; Wirz A; Penman I; Ardill JES; McColl KEL, 1996, 'Marked rebound acid hypersecretion after treatment with ranitidine', American Journal of Gastroenterology, 91, pp. 355 - 359

Graham DY; El-Omar E; Gillen G; McColl KEL, 1996, 'Gastrin-releasing peptide, acid secretion, Helicobacter pylori, and duodenal ulcer: Another epiphenomenon? [4]', Gastroenterology, 110, pp. 1325 - 1326, http://dx.doi.org/10.1053/gast.1996.v110.agast961325

Banerjee S; El-Omar E; Mowat A; Ardill JES; Park RHR; Watson W; Beattie AD; McColl KEL, 1996, 'Sucralfate suppresses Helicobacter pylori infection and reduces gastric acid secretion by 50% in patients with duodenal ulcer', Gastroenterology, 110, pp. 717 - 724, http://dx.doi.org/10.1053/gast.1996.v110.pm8608880

El-Omar EM; Banerjee S; Wirz A; McColl KEL, 1996, 'The Glasgow Dyspepsia Severity Score - A tool for the global measurement of dyspepsia', European Journal of Gastroenterology and Hepatology, 8, pp. 967 - 971, http://dx.doi.org/10.1097/00042737-199610000-00006

El-Omar E; Penman I; Ardill JES; McColl KEL, 1995, 'A substantial proportion of non-ulcer dyspepsia patients have the same abnormality of acid secretion as duodenal ulcer patients', Gut, 36, pp. 534 - 538, http://dx.doi.org/10.1136/gut.36.4.534

McCOLL KEL; EL‐OMAR E, 1995, 'Gastrin releasing peptide and its value in assessing gastric secretory function', Alimentary Pharmacology Therapeutics, 9, pp. 341 - 347, http://dx.doi.org/10.1111/j.1365-2036.1995.tb00392.x

El-Omar EM; Penman ID; Ardill JES; Chittajallu RS; Howie C; McColl KEL, 1995, 'Helicobacter pylori infection and abnormalities of acid secretion in patients with duodenal ulcer disease', Gastroenterology, 109, pp. 681 - 691, http://dx.doi.org/10.1016/0016-5085(95)90374-7

Penman ID; El-Omar E; McColl KEL, 1995, 'Reply', Gastroenterology, 108, pp. 619, http://dx.doi.org/10.1016/0016-5085(95)90114-0

El-Omar E; Wirz A; McColl KEL, 1995, 'Effect of H pylori eradication on the severity of dyspeptic symptoms in du patients - a one year follow up study', Gastroenterology, 108, pp. A88 - A88, http://dx.doi.org/10.1016/0016-5085(95)23016-5

ELOMAR E; WIRZ A; MCCOLL KEL, 1995, 'EFFECT OF HELICOBACTER-PYLORI ERADICATION ON THE SEVERITY OF DYSPEPTIC SYMPTOMS IN DU PATIENTS - A ONE-YEAR FOLLOW-UP-STUDY', GASTROENTEROLOGY, 108, pp. A88 - A88, http://dx.doi.org/10.1016/0016-5085(95)23015-7

McColl KEL; El-Omar E; Banerjee S; Savarino V; Vigneri S; Sandro Mela G; Termini R; Celle G; Goddard AF, 1994, 'Duodenal ulcer healing drugs', Lancet, 343, pp. 915 - 916, http://dx.doi.org/10.1016/S0140-6736(94)90033-7

Louw JA; Marks IN; El-Omar E; McColl K, 1994, 'Helicobacter pylori eradication, duodenal ulcer healing, and gastric secretory state [1]', Gut, 35, pp. 571, http://dx.doi.org/10.1136/gut.35.4.571

El-Omar E; Penman I; Cruikshank G; Dover S; Banerjee S; Williams C; McColl KEL, 1994, 'Low prevalence of Helicobacter pylori in inflammatory bowel disease: Association with sulphasalazine', Gut, 35, pp. 1385 - 1388, http://dx.doi.org/10.1136/gut.35.10.1385

Penman ID; El-Omar E; Ardill JES; McGregor JR; Galloway DJ; O'Dwyer PJ; McColl KEL, 1994, 'Plasma gastrin concentrations are normal in patients with colorectal neoplasia and unaltered following tumor resection', Gastroenterology, 106, pp. 1263 - 1270, http://dx.doi.org/10.1016/0016-5085(94)90018-3

El-Omar EM; Penman ID; Spence E; Ardill JES; McColl KEL, 1994, 'The GRP test: A new clinical test of acid secretion — reproducibility data', European Journal of Gastroenterology and Hepatology, 6, pp. 417 - 421

ELOMAR E; MCCOLL KEL, 1994, 'HELICOBACTER-PYLORI ERADICATION, DUODENAL-ULCER HEALING, AND GASTRIC SECRETORY STATE - REPLY', GUT, 35, pp. 571 - 571, http://dx.doi.org/10.1136/gut.35.4.571-a

McColl KEL; El-Nujumi AM; Chittajallu RS; Dahill SW; Dorrian CA; El-Omar E; Penman I; Fitzsimons EJ; Drain J; Graham H; Ardill JES; Bessent R, 1993, 'A study of the pathogenesis of Helicobacter pylon negative chronic duodenal ulceration', Gut, 34, pp. 762 - 768

El-Omar E; Penman I; Dorrian CA; Ardill JES; McColl KEL, 1993, 'Eradicating Helicobacter pylon infection lowers gastrin mediated acid secretion by two thirds in patients with duodenal ulcer', Gut, 34, pp. 1060 - 1065, http://dx.doi.org/10.1136/gut.34.8.1060

Penman ID; El-Omar E; McGregor JR; Hillan KJ; O'Dwyer PJ; McColl KEL, 1993, 'Omeprazole inhibits colorectal carcinogenesis induced by azoxymethane in rats', Gut, 34, pp. 1559 - 1565, http://dx.doi.org/10.1136/gut.34.11.1559

Anthony R; El‐Omar E; Lappin DF; Macsween RNM; Whaley K, 1989, 'Regulation of hepatic synthesis of C3 and C4 during the acute‐phase response in the rat', European Journal of Immunology, 19, pp. 1405 - 1412, http://dx.doi.org/10.1002/eji.1830190809

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