By Professor Emad El-Omar

Journal articles

Lappin JM; Bolton P; Smith G; Chua XY; Grattan S; Samaras K; Day R; Popovic G; O'Donnell M; Buten S; Hansen J; Teasdale S; Wong T; El-Omar E, 2026, 'Weight loss and gut microbial changes associated with semaglutide among people living with schizophrenia receiving clozapine or olanzapine: An open-label 24-week semaglutide intervention and 76-week trial', Schizophrenia Research, 296, pp. 19 - 28, http://dx.doi.org/10.1016/j.schres.2026.06.021

Wills OC; Chua XY; McEvoy C; Fitzmaurice M; El-Assaad F; El-Omar E; Probst Y, 2026, 'A case-control study of the oral microbiome among Australian female adults with relapsing-remitting multiple sclerosis: A pilot study', Multiple Sclerosis and Related Disorders, 113, http://dx.doi.org/10.1016/j.msard.2026.107383

El-Assaad F; El-Omar EM, 2026, 'Gut-peritoneal-multisystem axis in endometriosis', Gut, 75, pp. 1085 - 1086, http://dx.doi.org/10.1136/gutjnl-2025-337490

Louca P; Manning S; Hackney E; Sharp L; Hull MA; Koo S; Young GR; Taylor GS; Dunneram Y; Mitra S; Hampton JS; Dobson C; Neilson LJ; Addison C; El-Omar EM; team TC-CR; Stewart CJ; Rees CJ, 2026, 'Gut microbiome signatures in colorectal neoplasia: a cross-sectional study across neoplasia stages and subtypes', Gut, pp. gutjnl-2025-337478, http://dx.doi.org/10.1136/gutjnl-2025-337478

Quansah M; David MA; Martins R; El-Omar E; Aliberti SM; Capunzo M; Jensen SO; Tayebi M, 2026, 'Correction: The Beneficial Effects of Lactobacillus Strains on Gut Microbiome in Alzheimer’s Disease: A Systematic Review (Healthcare, (2025), 13, 1, (74), 10.3390/healthcare13010074)', Healthcare Switzerland, 14, http://dx.doi.org/10.3390/healthcare14080974

El-Omar EM; Lyu G, 2026, 'eGastroenterology: a new chapter with exciting times ahead!', Egastroenterology, 4, http://dx.doi.org/10.1136/egastro-2026-100427

Wen W; Su R; Liu Y; Feng Z; Li Y; Li J; Huang Z; Zhang F; Gao S; Ma Y; Zhou Q; El-Omar EM; Barr JJ; Zuo T, 2026, 'Gut DNA virome enterotype dictates inflammation heterogeneity through tuning the phage-bacteria-sphingosine-intestine axis in Crohn's disease', Cell Host and Microbe, 34, pp. 460 - 478.e9, http://dx.doi.org/10.1016/j.chom.2026.01.016

Huang Z; Liu Y; Wu Y; Zhang F; Yu L; Gao S; Wen W; Wang G; Su R; Xia P; Zhou Q; Bie Y; Hu P; Burgermeister E; Lan P; Wu X; Zhang H; Zhang F; El-Omar EM; Zuo T, 2026, 'Gut mucosal mycobiome profiling in Crohn’s disease uncovers an AMP-mediated anti-inflammatory effect of Cladosporium sphaerospermum', Nature Metabolism, 8, pp. 389 - 409, http://dx.doi.org/10.1038/s42255-025-01420-9

Huang Z; Liu Y; Wu Y; Zhang F; Yu L; Gao S; Wen W; Wang G; Su R; Xia P; Zhou Q; Bie Y; Hu P; Burgermeister E; Lan P; Wu X; Zhang H; Zhang F; El-Omar EM; Zuo T, 2026, 'Publisher Correction: Gut mucosal mycobiome profiling in Crohn’s disease uncovers an AMP-mediated anti-inflammatory effect of Cladosporium sphaerospermum (Nature Metabolism, (2026), 10.1038/s42255-025-01420-9)', Nature Metabolism, 8, pp. 521, http://dx.doi.org/10.1038/s42255-026-01460-9

Lai CT; Lee WH; Chang YY; Chiu HM; Wu CY; Chou HC; Chen MJ; Ei-Omar EM, 2026, 'Concurrent evolution of infant oral and gut microbiota implies oral-to-gut transmission', Journal of the Formosan Medical Association, http://dx.doi.org/10.1016/j.jfma.2026.05.060

Sahran NF; Chong CW; Ismail IH; Taib F; Hoo PS; Palanisamy UD; Sundralingam U; Teh CSJ; Kong ZX; Ayub Q; Yoke Ling F; Hazlan SNH; Azlan M; Abdul Razak S; Tengku Din TADAA; Abdullah N; Tagiling N; Tee V; Ehab Ayad M; Zheng FM; El-Omar E; Lee YY, 2026, 'Effects of Traditional Asian Diet on dietary fibre requirement, gut microbiome composition, and faecal and urine metabolomes in healthy Asian women: a pilot study', Beneficial Microbes, 17, pp. 47 - 60, http://dx.doi.org/10.1163/18762891-BjA00074

Saleem N; Kumar N; El-Omar E; Willcox M; Jiang XT, 2026, 'Nano-antimicrobial peptides (Nano-AMPs) to combat resistant gram-negative bacteria', Drug Delivery and Translational Research, 16, pp. 1 - 35, http://dx.doi.org/10.1007/s13346-026-02085-x

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; Williams LM; Brannan JD; De Wang L; Wong SL; Scott HA, 2026, 'Personalising the management of obesity-related asthma using medical nutrition therapy and physical activity prescription: The IDEAL study protocol', Contemporary Clinical Trials, 160, http://dx.doi.org/10.1016/j.cct.2025.108178

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, '1276 IDENTIFICATION OF THE OPTIMAL SCREENING STRATEGY FOR HELICOBACTER PYLORI INFECTION FOR GASTRIC CANCER PREVENTION: A MULTICENTER RANDOMIZED CONTROLLED TRIAL', Gastroenterology, 170, pp. s - 2535, http://dx.doi.org/10.1016/s0016-5085(26)06008-7

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, '1276 IDENTIFICATION OF THE OPTIMAL SCREENING STRATEGY FOR HELICOBACTER PYLORI INFECTION FOR GASTRIC CANCER PREVENTION: A MULTICENTER RANDOMIZED CONTROLLED TRIAL', Gastrointestinal Endoscopy, 103, pp. s - 2535, http://dx.doi.org/10.1016/s0016-5107(26)05939-0

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, '863 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', Gastrointestinal Endoscopy, 103, pp. s - 2521, http://dx.doi.org/10.1016/s0016-5107(26)05910-9

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, '863 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', Gastroenterology, 170, pp. s - 2521, http://dx.doi.org/10.1016/s0016-5085(26)05979-2

Yuan L; Lan Z; Zhu J; Chen Y; Zhao Y; Wang N; Zheng H; Wan Z; Liu L; Sun J; El-Omar EM; Zhao Z; Li P, 2025, 'Combined impact of multiple healthy lifestyles on digestive diseases: a large population-based prospective cohort study', BMC Medicine, 23, http://dx.doi.org/10.1186/s12916-025-04485-1

Saleem N; Kumar N; El-Omar E; Willcox M; Jiang XT, 2025, 'Harnessing Machine Learning Approaches for the Identification, Characterization, and Optimization of Novel Antimicrobial Peptides', Antibiotics, 14, pp. 1263, http://dx.doi.org/10.3390/antibiotics14121263

El-Omar EM; Gill US; Rees CJ, 2025, 'Introducing Gut Science—a fundamental and discovery science companion journal to Gut', Gut, 74, pp. 1943 - 1944, http://dx.doi.org/10.1136/gutjnl-2025-337140

Black EG; Bugarcic A; Lauche R; El-Omar E; El-Assaad F, 2025, 'The Effects of Kefir on the Human Oral and Gut Microbiome', Nutrients, 17, http://dx.doi.org/10.3390/nu17243861

Liou JM; Malfertheiner P; Hong TC; Cheng HC; Sugano K; Shah S; Sheu BS; Chen MJ; Chiang TH; Chen YC; Yamaoka Y; Wong SH; Chen CC; Lee YY; Quach DT; Wu DC; Hsu PI; Wu CY; Wu JY; Luo JC; Chang WL; Lu H; Suzuki H; Jung HY; Mahachai V; Vilaichone RK; Mégraud F; Lin JT; Yeoh KG; Leung WK; El-Omar EM; Lee YC; Wu MS, 2025, 'Screening and eradication of Helicobacter pylori f or gastric cancer prevention: Taipei Global Consensus II', Gut, 74, pp. 1767 - 1791, http://dx.doi.org/10.1136/gutjnl-2025-336027

Li P; Xie L; Zheng H; Feng Y; Mai F; Tang W; Wang J; Lan Z; Lv S; Jayawardana T; Koentgen S; Xu S; Wan Z; Chen Y; Xu H; Shen S; Zhang F; Yang Y; Hold G; He F; El-Omar EM; Yu G; Chen X, 2025, 'Gut microbial-derived 3,4-dihydroxyphenylacetic acid ameliorates reproductive phenotype of polycystic ovary syndrome', Imeta, 4, http://dx.doi.org/10.1002/imt2.70065

Schulz C; Liou JM; Alboraie M; Bornschein J; Nunez CC; Coelho LG; Quach DT; Fallone CA; Chen YC; Gerhard M; Gisbert JP; Jung HY; Katelaris PH; Kim JG; Lu H; Macke L; Mahachai V; Moss SF; Troche JMR; Riquelme A; Romano M; Setshedi M; Smith S; Suerbaum S; Tshibangu-Kabamba E; Vilaichone RK; Yadegar A; Yamaoka Y; Mégraud F; El-Omar EM; Sugano K; Malfertheiner P, 2025, 'Helicobacter pylori antibiotic resistance: a global challenge in search of solutions', Gut, 74, pp. 1561 - 1570, http://dx.doi.org/10.1136/gutjnl-2025-335523

So SHS; Jiang W; Li Y; Hold GL; Goodrick K; Min A; Bourke MJ; El-Omar EM; Jiang XT; Yim HCH, 2025, 'Mucosal DNA and RNA virome alterations and their interactions with human RNA and microRNA transcriptomes in colorectal polyps', Egastroenterology, 3, http://dx.doi.org/10.1136/egastro-2025-100194

Grant-St James A; Lee AC; Lee AJ; Wist J; Sohel F; Wong KW; Yeap BB; Loo RL; Henry A; Susic D; El-Omar E; Nicholson JK; Holmes E; Whiley L; Gray N, 2025, 'Analytical quality control in targeted lipidomics: Evaluating the performance of commercial plasma as a surrogate for pooled study samples', Analytica Chimica Acta, 1365, http://dx.doi.org/10.1016/j.aca.2025.344225

Kuo CH; El-Omar E; Kao CY; Lin JT; Wu CY, 2025, 'Compositional and Metabolomic Shifts of the Gut Microbiome in Alcohol-Related Liver Disease', Journal of Gastroenterology and Hepatology Australia, 40, pp. 2176 - 2189, http://dx.doi.org/10.1111/jgh.17038

Chen MJ; Fang YJ; Chen CC; Chen CC; Luo JC; Bair MJ; Chen PY; Chou CK; Lee JY; Yang TH; Yu JJ; Kuo CC; Chiu MC; Chen CY; Shun CT; Hu WH; Tsai MH; Hsu YC; Tseng CH; Chang CY; Lin JT; El-Omar EM; Lee YC; Wu MS; Liou JM, 2025, 'Overall and Stratified Accuracies of H. pylori Serology Testing: A Multicenter Study of 8497 Screening-Naïve Adults', Helicobacter, 30, http://dx.doi.org/10.1111/hel.70074

Tseng CH; Wong S; Yu J; Lee YY; Terauchi J; Lai HC; Luo JC; Kao CY; Yu SL; Liou JM; Wu DC; Hou MC; Wu MS; Wu JJ; Sung JJY; El-Omar EM; Wu CY, 2025, 'Development of live biotherapeutic products: a position statement of Asia-Pacific Microbiota Consortium', Gut, 74, pp. 706 - 713, http://dx.doi.org/10.1136/gutjnl-2024-334501

Stanford J; Stefoska-Needham A; Jiang X; Mcwhinney B; Hassan HIC; El-Omar E; Charlton K; Lambert K, 2025, 'High-Diversity Plant-Based Diet and Gut Microbiome, Plasma Metabolome, and Symptoms in Adults with CKD', Clinical Journal of the American Society of Nephrology, 20, pp. 619 - 631, http://dx.doi.org/10.2215/CJN.0000000682

Noble A; Adams A; Nowak J; Cheng G; Nayak K; Quinn A; Kristiansen M; Kalla R; Ventham NT; Giachero F; Jayamanne C; Hansen R; Hold GL; El-Omar E; Croft NM; Wilson D; Beattie RM; Ashton JJ; Zilbauer M; Ennis S; Uhlig HH; Satsangi J, 2025, 'The Circulating Methylome in Childhood-Onset Inflammatory Bowel Disease', Journal of Crohn S and Colitis, 19, http://dx.doi.org/10.1093/ecco-jcc/jjae157

Porcari S; Mullish BH; Asnicar F; Ng SC; Zhao L; Hansen R; O'Toole PW; Raes J; Hold G; Putignani L; Hvas CL; Zeller G; Koren O; Tun H; Valles-Colomer M; Collado MC; Fischer M; Allegretti J; Iqbal T; Chassaing B; Keller J; Baunwall SM; Abreu M; Barbara G; Zhang F; Ponziani FR; Costello SP; Paramsothy S; Kao D; Kelly C; Kupcinskas J; Youngster I; Franceschi F; Khanna S; Vehreschild M; Link A; De Maio F; Pasolli E; Miguez AB; Brigidi P; Posteraro B; Scaldaferri F; Stojanovic MR; Megraud F; Malfertheiner P; Masucci L; Arumugam M; Kaakoush N; Segal E; Bajaj J; Leong R; Cryan J; Weersma RK; Knight R; Guarner F; Shanahan F; Cani PD; Elinav E; Sanguinetti M; de Vos WM; El-Omar E; Dorè J; Marchesi J; Tilg H; Sokol H; Segata N; Cammarota G; Gasbarrini A; Ianiro G, 2025, 'International consensus statement on microbiome testing in clinical practice', Lancet Gastroenterology and Hepatology, 10, pp. 154 - 167, http://dx.doi.org/10.1016/S2468-1253(24)00311-X

Hicks C; Leonardi M; Chua XY; Mari-Breedt L; Espada M; El-Omar EM; Condous G; El-Assaad F, 2025, 'Oral, Vaginal, and Stool Microbial Signatures in Patients With Endometriosis as Potential Diagnostic Non-Invasive Biomarkers: A Prospective Cohort Study', BJOG an International Journal of Obstetrics and Gynaecology, 132, pp. 326 - 336, http://dx.doi.org/10.1111/1471-0528.17979

He X; Hu M; Xu Y; Xia F; Tan Y; Wang Y; Xiang H; Wu H; Ji T; Xu Q; Wang L; Huang Z; Sun M; Wan Y; Cui P; Liang S; Pan Y; Xiao S; He Y; Song R; Yan J; Quan X; Wei Y; Hong C; Liao W; Li F; El-Omar E; Chen J; Qi X; Gao J; Zhou H, 2025, 'The gut–brain axis underlying hepatic encephalopathy in liver cirrhosis', Nature Medicine, 31, pp. 627 - 638, http://dx.doi.org/10.1038/s41591-024-03405-9

Quansah M; David MA; Martins R; El-Omar E; Aliberti SM; Capunzo M; Jensen SO; Tayebi M, 2025, 'The Beneficial Effects of Lactobacillus Strains on Gut Microbiome in Alzheimer’s Disease: A Systematic Review', Healthcare Switzerland, 13, http://dx.doi.org/10.3390/healthcare13010074

Huang Z; Zhang F; Liu Y; Zhang H; El-Omar EM; Zuo T, 2025, '1327: MULTI-OMICS, MULTI-COHORT PROFILING OF THE SMALL BOWEL VERSUS FECAL MYCOBIOME IN CROHN’S DISEASE UNVEILS MUCOSA-ASSOCIATED FUNGUS CLADOSPORIUM SPHAEROSPERMUM COUNTERACTING INTESTINAL INFLAMMATION VIA AMP SYNTHESIS', Gastroenterology, 169, pp. s - 333, http://dx.doi.org/10.1016/s0016-5085(25)01705-6

Rajapakse J; Khatiwada S; Shen S; Yu KL; Behary J; El-Omar EM; Zekry A, 2025, '934: IMPACT OF THE GUT MICROBIOTA ON IMMUNE MODULATION AND RESPONSE TO IMMUNE CHECKPOINT INHIBITORS IN HEPATOCELLULAR CARCINOMA: INSIGHTS FROM HUMAN AND PRECLINICAL MODELS', Gastroenterology, 169, pp. s - 228, http://dx.doi.org/10.1016/s0016-5085(25)01474-x

McLean AEB; Cooper WA; Kao SC; Lau ET; Wong KK; Jiang X; Yim HC; El-Omar E; Kohonen-Corish MR, 2025, 'P2.06.63 The Role of the Lower Airway Microbiome in Predicting Treatment Response to Immunotherapy in Patients With Non-Small Cell Lung Cancer', Journal of Thoracic Oncology, 20, pp. S319 - S319, http://dx.doi.org/10.1016/j.jtho.2025.09.597

Chen M-J; Chen P-Y; Chen C-C; Fang Y-J; Lin J-T; El-Omar EM; Wu M-S; Liou J-M, 2025, 'Su1478: COMPARISON OF VONOPRAZAN-BASED VERSUS LANSOPRAZOLE-BASED REGIMENS IN THE FIRST-LINE TREATMENT OF HELICOBACTER PYLORI INFECTION - AN INTERIM ANALYSIS OF A MULTICENTER, OPENLABELLED, RANDOMIZED CONTROLLED TRIAL', Gastroenterology, 169, pp. S - 771, http://dx.doi.org/10.1016/s0016-5085(25)02727-1

Liou J-M; Chen M-J; Fang Y-J; Chen C-C; El-Omar EM; Lin J-T; Lee Y-C; Wu M-S, 2025, 'Su1490: IDENTIFICATION OF THE OPTIMAL SCREENING STRATEGY FOR HELICOBACTER PYLORI INFECTION: AN INTERIM ANALYSIS OF A MULTICENTER, RANDOMIZED CONTROLLED TRIAL', Gastroenterology, 169, pp. S - 777, http://dx.doi.org/10.1016/s0016-5085(25)02739-8

He W-T; Hong T-C; Chen C-H; El-Omar EM; Wu M-S; Kao J-H; Liou J-M, 2025, 'Su1700: LOWER DIVERSITY AND DISTINCT COMPOSITIONS OF GUT MICROBIOTA IN PATIENTS WITH HEPATOCELLULAR CARCINOMA', Gastroenterology, 169, pp. S - 1758, http://dx.doi.org/10.1016/s0016-5085(25)04907-8

Hong T-C; Chen M-J; Chen C-C; Lin J-T; El-Omar EM; Wu M-S; Liou J-M, 2025, 'Su2012: THE INFLUENCE OF SUPPLEMENTARY PROBIOTICS ON THE ADVERSE EVENTS AND FECAL DYSBIOSIS OF HELICOBACTER PYLORI ERADICATION - A DOUBLE BLIND, MULTI-CENTER RANDOMIZED, PLACEBO-CONTROLLED TRIAL', Gastroenterology, 169, http://dx.doi.org/10.1016/s0016-5085(25)03073-2

Liou J-M; Fang Y-J; Chen C-C; Hong T-C; Chen M-J; Lin J-T; El-Omar EM; Wu M-S, 2025, 'Su2023: DISTINCT COMPOSITIONS OF GUT MICROBIOTA IN SUBJECTS WITH UNDERWEIGHT, NORMAL BODY MASS INDEX, OVERWEIGHT, AND OBESITY IN THE EAST-ASIAN POPULATION', Gastroenterology, 169, pp. S - 935, http://dx.doi.org/10.1016/s0016-5085(25)03084-7

Maher S; Rajapakse J; El-Omar E; Zekry A, 2024, 'Role of the Gut Microbiome in Metabolic Dysfunction-Associated Steatotic Liver Disease', Seminars in Liver Disease, 44, pp. 457 - 473, http://dx.doi.org/10.1055/a-2438-4383

Wagner M; Hicks C; El-Omar E; Combes V; El-Assaad F, 2024, 'The Critical Role of Host and Bacterial Extracellular Vesicles in Endometriosis', Biomedicines, 12, http://dx.doi.org/10.3390/biomedicines12112585

Van Hul M; Cani PD; Petitfils C; De Vos WM; Tilg H; El-Omar EM, 2024, 'What defines a healthy gut microbiome?', Gut, 73, pp. 1893 - 1908, http://dx.doi.org/10.1136/gutjnl-2024-333378

Dinis-Ribeiro M; Shah S; El-Serag H; Banks M; Uedo N; Tajiri H; Coelho LG; Libanio D; Lahner E; Rollan A; Fang JY; Moreira L; Bornschein J; Malfertheiner P; Kuipers EJ; El-Omar EM, 2024, 'The road to a world-unified approach to the management of patients with gastric intestinal metaplasia: a review of current guidelines', Gut, 73, pp. 1607 - 1617, http://dx.doi.org/10.1136/gutjnl-2024-333029

Feng Y; Zheng H; Yin C; Liang D; Zhang S; Chen J; Mai F; Lan Z; Zhu M; Mai Z; Shen S; Jayawardana T; Wu R; Tang W; Zhang R; He X; Zheng S; Hu Q; Han Y; Yang Y; Gong S; Wang Z; El-Omar EM; Luo W; Chen X; Chen G; Li P; Chen X, 2024, 'β-resorcylic acid released by Limosilactobacillus reuteri protects against cisplatin-induced ovarian toxicity and infertility', Cell Reports Medicine, 5, http://dx.doi.org/10.1016/j.xcrm.2024.101678

Chesworth R; Yim HCH; Watt G; El-Omar E; Karl T, 2024, 'Cannabidiol (CBD) facilitates cocaine extinction and ameliorates cocaine-induced changes to the gut microbiome in male C57BL/6JArc mice', Progress in Neuro Psychopharmacology and Biological Psychiatry, 133, http://dx.doi.org/10.1016/j.pnpbp.2024.111014

Liou JM; Malfertheiner P; Smith SI; El-Omar EM; Wu MS, 2024, '40 years after the discovery of Helicobacter pylori: towards elimination of H pylori for gastric cancer prevention', Lancet, 403, pp. 2570 - 2572, http://dx.doi.org/10.1016/S0140-6736(24)01171-1

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