By Professor Emad El-Omar

Conference Papers

McColl KEL; El-Omar E, 2000, 'Mechanisms involved in the development of hypochlorhydria and pangastritis in Helicobacter pylori infection', in Hunt RH; Tytgat GNJ (ed.), HELICOBACTER PYLORI: BASIC MECHANISMS TO CLINICAL CURE 2000, SPRINGER, BERMUDA, pp. 373 - 384, presented at 4th Symposium on Helicobacter Pylori - Basic Mechanisms to Clinical Cure, BERMUDA, 26 March 2000 - 29 March 2000, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000167245700039&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

McColl KEL; Gillen D; Ardill J, 1999, 'Effect of antral atrophy on gastric function in H-pylori infection:: Relevance to progression to pangastritis.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A249 - A249

El-Omar EM; McColl KEL; Perez-Perez GI; Olivares-Perez A; Blaser MJ, 1999, 'H pylori genotypes and clinical and histopathological findings in first degree relatives of patients with non-cardia gastric adenocarcinoma', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A154 - A154

McColl KEL; Dickson A; El-Nujumi AM; El-Omar EM; Kelman A, 1999, 'Symptomatic benefit 1-3 years post H-pylori eradication in ulcer patients:: Impact of reflux disease.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A249 - A249

El-Omar EM; Thompson SA; Blaser MJ, 1998, 'Ablation of fucosyl transferase homologs has varying effects on H-pylori Lewis antigen expression.', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A972 - A972, http://dx.doi.org/10.1016/S0016-5085(98)83958-9

El-Omar EM; Oien K; El-Nujumi A; Wirz A; Gillen D; Williams C; Ardill JES; Fullarton G; McColl KEL, 1998, 'H-pylori induced hypochlorhydria and gastric atrophy associated with increased gastric cancer risk', in JOURNAL OF PATHOLOGY, JOHN WILEY & SONS LTD, pp. 1A - 1A

Gillen D; Wirz A; McColl KEL, 1997, 'Degree of suppression of gastric acid secretion by omeprazole is related to H-pylori status.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A126 - A126

ElOmar E; Oien K; ElNujumi A; Gillen D; Wirz A; Fullarton G; Penny C; McColl KEL, 1997, 'H-pylori induced hypochlorhydria is associated with increased risk of gastric cancer.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A558 - A558

ElOmar E; Oien K; ElNujumi A; Gillen D; Wirz A; Fullarton G; Penny C; McColl KEL, 1997, 'H-pylori induced hypochlorhydria is associated with increased risk of gastric cancer.', in GUT, BRITISH MED JOURNAL PUBL GROUP, pp. WA32 - WA32

Oien K; ElOmar EM; Dahill S; ElNujumi A; Gillen D; Wirz A; Williams C; Ardill JES; McColl KEL, 1997, 'H-pylori infection and gastric acid hyposecretion', in JOURNAL OF PATHOLOGY, JOHN WILEY & SONS LTD, pp. A30 - A30

McColl KEL; ElOmar E; Gillen D; Ardill JES; Murray L; Crabtree JE, 1997, 'H-pylori-induced hypergastrinaemia is related to bacterial CagA status.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A215 - A215

McColl KEL; ElOmar E; Gillen D; Ardill JES; Murray L; Crabtree JE, 1997, 'H-pylori-induced hypergastrinaemia is related to bacterial CagA status.', in GUT, BMJ PUBLISHING GROUP, pp. TH183 - TH183

Hassen S; Vollset SE; Ardill JES; ElOmar E; Melby K; Aase S; Jellum E; McColl KEL, 1997, 'Hypergastrinaemia is a strong predictor of distal gastric adenocarcinoma among Helicobacter pylori infected persons', in GUT, BRITISH MED JOURNAL PUBL GROUP, pp. A45 - A45

Hansen S; Vollset SE; Ardill JES; ElOmar E; Melby K; Aase S; Jellum E; McColl KEL, 1997, 'Hypergastrinaemia is a strong predictor of distal gastric adenocarcinoma among Helicobacter pylori infected persons', in GUT, BRITISH MED JOURNAL PUBL GROUP, pp. A1 - A1

Hansen S; Vollset SE; Ardill JES; ElOmar E; Melby K; Aase S; Jellum E; McColl KEL, 1997, 'Hypergastrinaemia is a strong predictor of distal gastric adenocarcinoma among Helicobacter pylori infected persons.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A575 - A575

Hansen S; Vollset SE; Ardill JES; ElOmar E; Melby K; Aase S; Jellum E; McColl KEL, 1997, 'Hypergastrinaemia is a strong predictor of distal gastric adenocarcinoma among Helicobacter pylori infected persons.', in GUT, BMJ PUBLISHING GROUP, pp. TH184 - TH184

Gillen D; Wirz A; McColl KEL, 1997, 'Marked rebound acid hypersecretion following omeprazole therapy in H-pylori negative subjects.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A126 - A126

Penman ID; ElOmar E; Rehfeld JF; McColl KEL, 1997, 'Plasma glycine-extended gastrin concentrations and human colorectal cancer.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A638 - A638

Smith A; Gillen D; Cochran K; ElOmar E; McColl KEL, 1997, 'Ranitidine treatment induces dyspepsia in previously asymptomatic healthy volunteers.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A293 - A293

Smith A; Gillen D; Cochran K; ElOmar E; McColl KEL, 1997, 'Ranitidine treatment induces dyspepsia in previously asymptomatic healthy volunteers.', in GUT, BRITISH MED JOURNAL PUBL GROUP, pp. W11 - W11

Gillen D; ElOmar E; Wirz A; Ardill JES; McColl KEL, 1997, 'Regulation of corpus mucosal function in Hp infected DU patients versus healthy volunteers.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A126 - A126

Gillen D; ElOmar E; Wirz A; Ardill JES; McColl KEL, 1997, 'Regulation of corpus mucosal function in HP infected DU patients versus healthy volunteers.', in GUT, BRITISH MED JOURNAL PUBL GROUP, pp. W12 - W12

McColl KEL; ElNujumi A; Murray L; ElOmar E, 1997, 'Variable symptomatic response to H-pylori eradication in ulcer patients.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A215 - A215

McColl KEL; El-Omar E, 1996, 'Helicobacter pylori and disturbance of gastric function associated with duodenal ulcer disease and gastric cancer', in Scandinavian Journal of Gastroenterology Supplement, pp. 32 - 37

ElOmar E; Olen K; Wirz K; Wirz A; McColl KEL, 1996, 'Divergent effects of H-pylori on acid secretion.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A102 - A102

McColl KEL; ElNujumi A; ElOmar E; Dickson A, 1996, 'Evidence supporting a H-pylori test and treat strategy for simple dyspepsia.', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A28 - A28

Gillen D; ElOmar E; McColl KEL, 1996, 'Parietal cell sensitivity to gastrin distinguishes H-pylori infected DU patients from infected healthy volunteers', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, pp. A116 - A116

PENMAN ID; ARDILL JES; ELOMAR E; MCKENZIE J; MCCOLL KEL, 1995, 'GASTRIN AND ITS PRECURSORS IN HUMAN COLORECTAL-CANCER', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A524 - A524

ELOMAR E; PENMAN ID; ARDILL JES; MCCOLL KEL, 1994, 'A SUBSTANTIAL PROPORTION OF NUD PATIENTS HAVE THE SAME ABNORMALITY OF ACID-SECRETION AS DU PATIENTS', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A74 - A74

BANERJEE S; WILSON R; HAWKSBY C; DAHILL S; ARDILL JES; MILLER S; PARK RHR; WATSON W; BEATTIE AD; MCCOLL KEL, 1994, 'EFFECT OF ALLOPURINOL ON GASTRODUODENAL MORPHOLOGY AND FUNCTION IN HELICOBACTER-PYLORI POSITIVE SUBJECTS', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A45 - A45

PENMAN ID; ELOMAR E; MCGREGOR JR; ARDILL JES; GALLOWAY D; ODWYER PJ; MCCOLL KEL, 1994, 'FASTING AND MEAL-STIMULATED GASTRIN-LEVELS PREOPERATIVELY AND POSTOPERATIVELY IN COLORECTAL TUMOR PATIENTS', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A428 - A428

ELOMAR E; BANERJEE S; PENMAN ID; ARDILL JES; MCCOLL KEL, 1994, 'HELICOBACTER-PYLORI IMPAIRS THE INHIBITORY CONTROL OF ACID-SECRETION IN DUODENAL-ULCER PATIENTS', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A74 - A74

ELOMAR E; BANERJEE S; WIRZ A; PENMAN I; ARDILL JES; MCCOLL KEL, 1994, 'MARKED REBOUND ACID HYPERSECRETION IN HEALTHY-VOLUNTEERS FOLLOWING RANITIDINE', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A74 - A74

BANERJEE S; ELOMAR E; MOWAT A; ARDILL JES; PARK RHR; WATSON W; BEATTIE AD; MCCOLL KEL, 1994, 'SUCRALFATE SUPPRESSES HELICOBACTER-PYLORI INFECTION AND REDUCES GASTRIC-ACID SECRETION BY 50-PERCENT IN DU PATIENTS', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A45 - A45

ELOMAR E; PENMAN I; DORRIAN CA; ARDILL JES; MCCOLL KEL, 1993, 'ERADICATING HELICOBACTER-PYLORI LOWERS GASTRIN-MEDIATED ACID-SECRETION BY 70-PERCENT IN DU PATIENTS AND BY 50-PERCENT IN HEALTHY-VOLUNTEERS', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A75 - A75

PENMAN ID; ELOMAR E; MCGREGOR JR; HILLAN KJ; ODWYER P; MCCOLL KEL, 1993, 'OMEPRAZOLE INHIBITS AZOXYMETHANE-INDUCED COLORECTAL CARCINOGENESIS IN RATS', in GASTROENTEROLOGY, W B SAUNDERS CO, pp. A441 - A441

ELOMAR E; BOYD EJS; PENMAN I; MCCOLL KEL, 1992, 'ERADICATION OF HELICOBACTER-PYLORI INFECTION DURING LONG-TERM SULFASALAZINE THERAPY', in GUT, BRITISH MED JOURNAL PUBL GROUP, pp. S28 - S28

ELOMAR E; PENMAN I; DORRIAN CA; ARDILL JES; MCCOLL KEL, 1992, 'ERADICATION OF HELICOBACTER-PYLORI LOWERS GASTRIN-MEDIATED ACID-SECRETION BY 70-PERCENT IN DU PATIENTS', in GUT, BRITISH MED JOURNAL PUBL GROUP, pp. S28 - S28

ANTHONY R; ELOMAR E; MACSWEEN RNM; WHALEY K, 1987, 'SEPARATE SIGNALS ARE REQUIRED FOR THE STIMULATION OF HEPATIC SYNTHESIS OF THE 3RD AND 4TH COMPONENTS OF COMPLEMENT DURING THE ACUTE-PHASE RESPONSE', in JOURNAL OF PATHOLOGY, JOHN WILEY & SONS LTD, pp. A68 - A68

MCCOLL KEL; ELOMAR E; MACPHEE GJA; THOMPSON GG; MOORE MR; PARK BK; BRODIE MJ, 1986, 'EFFECTS OF RIFAMPICIN ON HEME-BIOSYNTHESIS AND HEPATIC MONOOXYGENASE ACTIVITY IN HEALTHY-SUBJECTS', in BRITISH JOURNAL OF CLINICAL PHARMACOLOGY, BLACKWELL SCIENCE LTD, pp. P602 - P602

MCCOLL KEL; THOMPSON GG; BIRNIE G; ELOMAR E; MOORE MR; GOLDBERG A, 1985, 'NEW OBSERVATIONS IN GILBERTS SYNDROME', in SCOTTISH MEDICAL JOURNAL, HERMISTON PUBLICATIONS LTD, pp. 56 - 57

Conference Posters

Zhang N; Wang Z; Lv J; Liu Y; Liu T; Zhang S; Li W; Gong L; Zhang X; El-Omar E; Lu W, 2022, 'Characterization of gut microbiota and exploration of potential predictive model for hepatocellular carcinoma microvascular invasion', ENGLAND, London, Vol. 77, pp. S920 - S921, presented at International Liver Congress, ENGLAND, London, 22 June 2022 - 26 June 2022, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000826275104366&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Conference Presentations

Strout N; Pasic L; Hicks C; Chua X-Y; Tashvighi N; Samaras K; Craig M; Davis G; Henry A; Ledger W; El-Omar E, 2022, 'The MothersBabies Study: analysing the preconception microbiome to determine risk of adverse maternal-child health outcomes', presented at Brighter Beginnings First 2000 Days Summit, NSW Ministry of Health, 31 October 2022 - 01 November 2022, https://willorganise.eventsair.com/bb-first-2000-days-summit/day-2

Conference Abstracts

Liou J-M; Chen M-J; Chen P-Y; Chen C-C; Fang Y-J; Lin J-T; El-Omar EM; Wu M-S, 2026, 'COMPARISON OF THE EFFICACY AND GUT MICROBIOTA IMPACT OF VONOPRAZAN-BASED VERSUS LANSOPRAZOLE-BASED REGIMENS FOR FIRST-LINE HELICOBACTER PYLORI TREATMENT: A MULTICENTER OPEN-LABEL RANDOMIZED CONTROLLED TRIAL', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, IL, Chicago, Vol. 170, pp. S2521 - S2521, presented at Digestive Disease Week (DDW), IL, Chicago, 02 May 2026 - 05 May 2026

Liou J-M; Chen M-J; Chen C-C; Fang Y-J; Chen P-Y; Lin J-T; El-Omar EM; Wu M-S, 2026, 'IDENTIFICATION OF THE OPTIMAL SCREENING STRATEGY FOR HELICOBACTER PYLORI INFECTION FOR GASTRIC CANCER PREVENTION: A MULTICENTER RANDOMIZED CONTROLLED TRIAL', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, IL, Chicago, Vol. 170, presented at Digestive Disease Week (DDW), IL, Chicago, 02 May 2026 - 05 May 2026

Blickisdorf T; Wood LG; Valkenborghs SR; Dixon AE; Horvat JC; Weaver NA; Yoong S; Berthon BS; Williams EJ; Brown AC; Jenkins CR; Morrissey ML; Wark PA; Wynne K; Grainge CL; El-Omar EM; William L; D Brannan J; Scott HA, 2026, 'METABOLIC SYNDROME AND BODY COMPOSITION DISPLAY SEX-SPECIFIC EFFECTS ON AIRWAY INFLAMMATION AND CLINICAL ASTHMA OUTCOMES', in INTERNAL MEDICINE JOURNAL, WILEY, Vol. 56, pp. 6 - 7

Wills O; Mcevoy C; Chua X-Y; El-Assaad F; El-Omar E; Probst Y, 2025, 'Case-control study on oral microbiome in females with RRMS', in MULTIPLE SCLEROSIS JOURNAL, SAGE PUBLICATIONS LTD, AUSTRALIA, Brisbane, Vol. 32, presented at MS Australia's 10th Progress in MS Research Conference, AUSTRALIA, Brisbane, 03 December 2025 - 05 December 2025

Yim HCH; Quinn C; Jiang X-T; Hold GL; El-Omar E; Goldstein D, 2025, '235eP Influence of gut and oral microbiomes on chemotherapy survival status in gastrointestinal cancer patients in Australia', in Annals of Oncology, Elsevier, Vol. 36, pp. s298 - s299, http://dx.doi.org/10.1016/j.annonc.2025.08.665

McLean AEB; Cooper WA; Kao SC; Lau ET; Wong KK; Jiang X; Yim HC; El-Omar E; Kohonen-Corish MR, 2025, 'The Role of the Lower Airway Microbiome in Predicting Treatment Response to Immunotherapy in Patients With Non-Small Cell Lung Cancer', in JOURNAL OF THORACIC ONCOLOGY, ELSEVIER SCIENCE INC, Vol. 20

Chacon-Fajardo D; Porazinski S; Man J; Yim H; El-Omar E; Joshua A; Pajic M, 2024, 'Abstract A029: Re-purposing non-oncology agent itraconazole to target the dynamic cellular ecosystem of pancreatic cancer', in Cancer Research, American Association for Cancer Research (AACR), Vol. 84, pp. a029 - a029, http://dx.doi.org/10.1158/1538-7445.panca2023-a029

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