Selected Publications

Academic Article

Year Title Altmetric
2022 Gastric Cancer: Emerging Trends in Prevention, Diagnosis, and TreatmentGastroenterology Clinics of North America.  51:501-518. 2022
2021 Western Honduras Copán Population-Based Cancer Registry: Initial Estimates and a Model for Rural Central AmericaJCO Global Oncology.  7:1694-1702. 2021
2021 Ornithine decarboxylase (ODC1) gene variant (rs2302615) is associated with gastric cancer independently of Helicobacter pylori CagA serostatusOncogene.  40:5963-5969. 2021
2021 Prevalence and Associated Dietary Factors of Rome IV Functional Gastrointestinal Disorders in Rural Western HondurasDigestive Diseases and Sciences.  66:3086-3095. 2021
2021 The Colombian Chemoprevention Trial: 20-Year Follow-Up of a Cohort of Patients With Gastric Precancerous LesionsGastroenterology.  160:1106-1117.e3. 2021
2021 A 500-year tale of co-evolution, adaptation, and virulence: Helicobacter pylori in the Americas 2021
2021 Gastric Intestinal Metaplasia: Demographic and Epidemiological Characterization in Puerto Rican Hispanics (2012-2014)Gastroenterology Research and Practice.  2021. 2021
2020 Traumatic injuries in rural Honduras: A two month pilot studyAmerican Journal of Emergency Medicine.  38:958-961. 2020
2020 AGA Technical Review on Gastric Intestinal Metaplasia—Epidemiology and Risk FactorsGastroenterology.  158:732-744.e16. 2020
2020 AGA Technical Review on Gastric Intestinal Metaplasia—Natural History and Clinical OutcomesGastroenterology.  158:705-731.e5. 2020
2020 Advancing the Science in Gastric Pre-Neoplasia: Study Design ConsiderationsGastroenterology.  158:751-759. 2020
2020 Circulating Antibodies against Epstein Barr Virus (EBV) and p53 in EBV-positive and -negative gastric cancerCancer Epidemiology, Biomarkers and Prevention.  29:414-419. 2020
2020 Increased Incidence and Mortality of Gastric Cancer in Immigrant Populations from High to Low Regions of Incidence: A Systematic Review and Meta-AnalysisClinical Gastroenterology and Hepatology.  18:347-359.e5. 2020
2020 Spotlight: Gastric Intestinal MetaplasiaGastroenterology.  158:704. 2020
2019 Helicobacter pylori antimicrobial resistance and antibiotic consumption in the low-resource Central America setting 2019
2019 Geospatial analyses identify regional hot spots of diffuse gastric cancer in rural Central AmericaBMC Cancer.  19. 2019
2019 Management patterns of gastric polyps in the United StatesFrontline Gastroenterology.  10:16-23. 2019
2019 α-Difluoromethylornithine reduces gastric carcinogenesis by causing mutations in Helicobacter pylori cagY 2019
2018 Health barriers and patterns of gastric cancer care in rural central American resource-limited settingsJAMA Oncology.  4:1131-1133. 2018
2018 Advancing reliable data for cancer control in the Central America four regionJournal of Global Oncology.  2018:1-11. 2018
2018 Perspectives on strengthening cancer research and control in Latin America through partnerships and diplomacy: Experience of the national cancer institute's center for global healthJournal of Global Oncology.  2018:1-11. 2018
2018 Seroprevalence of Helicobacter pylori in Hispanics living in Puerto Rico: A population-based study 2018
2018 Dynamics of Helicobacter pylori infection as a determinant of progression of gastric precancerous lesions: 16-year follow-up of an eradication trialGut.  67:1239-1246. 2018
2018 HIV related hypochlorhydria does not appear to respond to anti-retroviral therapy in Zambian adults: A case control studyThe Pan African Medical Journal.  31. 2018
2017 Congenital Malformations of the Central Nervous System in Rural Western Honduras: A 6-Year Report on TrendsWorld Neurosurgery.  107:249-254. 2017
2017 High prevalence of gastric intestinal metaplasia detected by confocal laser endomicroscopy in Zambian adultsPLoS One.  12. 2017
2017 Exposure to biomass smoke as a risk factor for oesophageal and gastric cancer in low-income populations: A systematic reviewMalawi Medical Journal.  29:212-217. 2017
2017 Draft genome sequences of 13 Colombian Helicobacter pylori Strains Isolated from Pacific coast and Andean residentsMicrobiology Resource Announcements.  5. 2017
2017 Helicobacter pylori recurrence after eradication in Latin America: Implications for gastric cancer preventionWorld Journal of Gastrointestinal Oncology.  9:184-193. 2017
2017 Gastric cancer screening in low-income countriesIEEE Robotics and Automation magazine.  24:73-81. 2017
2016 Initial US evaluation of secondgeneration capsule colonoscopy for detecting colon polypsBMJ Open Gastroenterology.  3. 2016
2016 Epigenetic and genetic variation in GATA5 is associated with gastric disease riskHuman Genetics.  135:895-906. 2016
2016 Hydrogen metabolism in Helicobacter pylori plays a role in gastric carcinogenesis through facilitating CagA translocationmBio.  7. 2016
2016 Gastric adenocarcinoma microRNA profiles in fixed tissue and in plasma reveal cancer-associated and Epstein-Barr virus-related expression patternsLaboratory Investigation.  96:661-671. 2016
2016 Anti-Helicobacter pylori Antibody Profiles in Epstein-Barr virus (EBV)-Positive and EBV-Negative Gastric Cancer 2016
2015 Association of 4p14 TLR locus with antibodies to Helicobacter pyloriGenes and Immunity.  16:567-570. 2015
2015 Increased Helicobacter pylori-associated gastric cancer risk in the Andean region of Colombia is mediated by spermine oxidaseOncogene.  34:3429-3440. 2015
2015 A platform for gastric cancer screening in low-And middle-income countriesIEEE Transactions on Biomedical Engineering.  62:1324-1332. 2015
2015 Accuracy of capsule colonoscopy in detecting colorectal polyps in a screening populationGastroenterology.  148:948-957.e2. 2015
2015 The Descriptive Epidemiology of Gastric Cancer in Central America and Comparison with United States Hispanic PopulationsJournal of Gastrointestinal Cancer.  46:21-28. 2015
2015 A population-based study of prevalence and risk factors of chronic kidney disease in León, NicaraguaCanadian Journal of Kidney Health and Disease.  2. 2015
2015 Three molecular subtypes of gastric adenocarcinoma have distinct histochemical features reflecting Epstein-Barr virus infection status and neuroendocrine differentiationApplied Immunohistochemistry and Molecular Morphology.  23:633-645. 2015
2014 Molecular oncology testing in resource-limited settings 2014
2014 Case-case comparison of smoking and alcohol risk associations with Epstein-Barr virus-positive gastric cancerInternational Journal of Cancer.  134:948-953. 2014
2014 Comparison of multiple enzyme activatable near-infrared fluorescent molecular probes for detection and quantification of inflammation in murine colitis modelsInflammatory Bowel Diseases.  20:363-377. 2014
2014 Activation of EGFR and ERBB2 by helicobacter pylori results in survival of gastric epithelial cells with DNA damageGastroenterology.  146. 2014
2014 Etiology of childhood diarrhea after rotavirus vaccine introduction: A prospective, population-based study in Nicaragua 2014
2013 A multicenter, U.S. experience of single-balloon, double-balloon, and rotational overtube-assisted enteroscopy ERCP in patients with surgically altered pancreaticobiliary anatomy (with video)Gastrointestinal Endoscopy.  77:593-600. 2013
2013 Risk of recurrent helicobacter pylori infection 1 year after initial eradication therapy in 7 Latin American communitiesJournal of the American Medical Association.  309:578-586. 2013
2013 Epidemiology of helicobacter pylori infection in six Latin American countries (SWOG Trial S0701)Cancer Causes and Control.  24:209-215. 2013
2013 Gastric cancer incidence and mortality is associated with altitude in the mountainous regions of Pacific Latin AmericaCancer Causes and Control.  24:249-256. 2013
2013 Gastric cancer incidence estimation in a resource-limited nation: Use of endoscopy registry methodologyCancer Causes and Control.  24:233-239. 2013
2013 Iron deficiency accelerates Helicobacter pylori-induced carcinogenesis in rodents and humansJournal of Clinical Investigation.  123:479-492. 2013
2013 Community diarrhea incidence before and after rotavirus vaccine introduction in NicaraguaAmerican Journal of Tropical Medicine and Hygiene.  89:246-250. 2013
2013 The stratification of gastric cancer risk in Latin AmericaRevista de Gastroenterología de México.  78:125-126. 2013
2012 Molecular imaging of gastric neoplasia with near-infrared fluorescent activatable probesMolecular Imaging.  11:507-515. 2012
2012 Epstein-barr virus infected gastric adenocarcinoma expresses latent and lytic viral transcripts and has a distinct human gene expression profileInfectious Agents and Cancer.  7. 2012
2012 Epstein-barr virus infection is common in inflamed gastrointestinal mucosaDigestive Diseases and Sciences.  57:1887-1898. 2012
2012 The epidemiology of functional gastrointestinal disorders in Mexico: A population-based studyGastroenterology Research and Practice2012
2012 Irritable bowel syndrome and gastrointestinal parasite infection in a developing nation environmentGastroenterology Research and Practice2012
2012 Burden of gastrointestinal disease in the United States: 2012 updateGastroenterology.  143. 2012
2012 Sex hormones, hormonal interventions, and gastric cancer risk: A meta-analysisCancer Epidemiology, Biomarkers and Prevention.  21:20-38. 2012
2012 Treatment of Helicobacter pylori in Latin America - Authors' reply 2012
2011 Short Report: Rotavirus Prevalence in the Primary Care Setting in Nicaragua after Universal Infant Rotavirus ImmunizationAmerican Journal of Tropical Medicine and Hygiene.  85:957-960. 2011
2011 Impact of capsule endoscopy on management of inflammatory bowel disease: A single tertiary care center experienceInflammatory Bowel Diseases.  17:1855-1862. 2011
2011 14-day triple, 5-day concomitant, and 10-day sequential therapies for Helicobacter pylori infection in seven Latin American sites: A randomised trial 2011
2011 Changes in childhood diarrhea incidence in Nicaragua following 3 years of universal infant rotavirus immunization 2011
2011 Inverse association of esophageal eosinophilia with Helicobacter pylori based on analysis of a US pathology databaseGastroenterology.  141:1586-1592. 2011
2011 Randomised clinical trial: High-dose acid suppression for chronic cough - A double-blind, placebo-controlled studyAlimentary Pharmacology and Therapeutics.  33:225-234. 2011
2010 Improvements to water purification and sanitation infrastructure may reduce the diarrheal burden in a marginalized and flood prone population in remote NicaraguaBMC Public Health.  10. 2010
2010 Spiral enteroscopy: Prospective U.S. multicenter study in patients with small-bowel disordersGastrointestinal Endoscopy.  72:992-998. 2010
2010 Positive association of renal insufficiency with agriculture employment and unregulated alcohol consumption in NicaraguaRenal Failure.  32:766-777. 2010
2010 Single-balloon enteroscopy: Results from an initial experience at a U.S. tertiary-care centerGastrointestinal Endoscopy.  72:422-426. 2010
2010 Clinical trial: Gastric acid suppression in Hispanic adults with symptomatic gastro-oesophageal reflux disease - Comparator study of esomeprazole, lansoprazole and pantoprazoleAlimentary Pharmacology and Therapeutics.  32:200-208. 2010
2010 Association Between Intimate Partner Violence and Irritable Bowel Syndrome: A Population-Based Study in Nicaragua 2010
2010 Crohn's disease of the esophagus with esophagobronchial fistula formation: a case report and review of the literatureGastrointestinal Endoscopy.  71:207-209. 2010
2010 International crises and global health electives: lessons for faculty and institutionsAcademic Medicine.  85:1560-1563. 2010
2009 Endoscopic retrograde cholangiopancreatography with single-balloon enteroscopy Is feasible in patients with a prior Roux-en-Y anastomosisDigestive Diseases and Sciences.  54:1798-1803. 2009
2009 High levels of Epstein-Barr virus DNA in latently infected gastric adenocarcinomaLaboratory Investigation.  89:80-90. 2009
2008 Biochromoendoscopy: molecular imaging with capsule endoscopy for detection of adenomas of the GI tractGastrointestinal Endoscopy.  68:520-527. 2008
2008 Gastroesophageal reflux disease as an etiology of sleep disturbance in subjects with insomnia and minimal reflux symptoms: A pilot study of prevalence and response to therapyDigestive Diseases and Sciences.  53:1493-1499. 2008
2008 Agile patency system eliminates risk of capsule retention in patients with known intestinal strictures who undergo capsule endoscopyGastrointestinal Endoscopy.  67:902-909. 2008
2006 Gastric Cancer and the High Combination Prevalence of Host Cytokine Genotypes and Helicobacter pylori in HondurasClinical Gastroenterology and Hepatology.  4:1103-1111. 2006
2006 The burden of gastrointestinal and liver diseases, 2006American Journal of Gastroenterology.  101:2128-2138. 2006
2006 Frequency of functional bowel disorders among healthy volunteers in Mexico City 2006
2006 High incidence of gastric bezoars in cystic fibrosis patients after lung transplantationTransplantation.  81:1141-1146. 2006
1999 Pathophysiology and treatment of hepatitis C infectionJournal of Pharmacy Practice.  12:391-400. 1999
1997 Endoscopic sclerotherapy compared with percutaneous transjugular intrahepatic portosystemic shunt after initial sclerotherapy in patients with acute variceal hemorrhage: A randomized, controlled trialACP journal club.  126:858-865. 1997


Year Title Altmetric
2015 Gastroenteritis.  334-341. 2015
2010 Gastroenteritis.  349-358. 2010

Education And Training

  • Master of Public Health in Epidemiology, University of California Berkeley 1996
  • Doctor of Medicine, Case Western Reserve University 1991
  • Full Name

  • Douglas Morgan