Adjunct Faculty
Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsBasile Njei, MD, PhD, MPH, FRCP
Assistant Professor AdjunctAbout
Research
Publications
2025
Lean MASLD in U.S. Adults: Undiagnosed Burden and Metabolic Features from NHANES 2017–2020
Njei B, Boateng S, Mohamed M, Al-Ajlouni Y, Soliman M, Dranoff J, Lim J. Lean MASLD in U.S. Adults: Undiagnosed Burden and Metabolic Features from NHANES 2017–2020. Journal Of General Internal Medicine 2025, 1-9. PMID: 41402675, DOI: 10.1007/s11606-025-10086-8.Peer-Reviewed Original ResearchNational Health and Nutrition Examination SurveyNational prevalenceU.S. adultsHealth and Nutrition Examination SurveyNutrition Examination SurveyLean adultsControlled attenuation parameterMetabolic risk factorsHigh-risk individualsNonalcoholic fatty liver diseaseSelf-reported provider diagnosisAssociated with obesityScreening practicesExamination SurveyProvider diagnosisSurvey weightsLean individualsRisk stratification toolDiastolic blood pressureLiver diseaseLean populationAlcohol useSignificant alcohol useFasting GlucoseScreening strategiesThe burden of digestive diseases in Jordan: a longitudinal analysis of Global Burden of Disease Study, 1990–2021
Altobaishat O, Khlidj Y, Bataineh O, Alzoubi O, Adam M, Abouzid M, Al Ta’ani O, Njei B, Al-Ajlouni Y. The burden of digestive diseases in Jordan: a longitudinal analysis of Global Burden of Disease Study, 1990–2021. Baylor University Medical Center Proceedings 2025, ahead-of-print: 1-14. DOI: 10.1080/08998280.2025.2593111.Peer-Reviewed Original ResearchDisability-adjusted life yearsHighest disability-adjusted life yearsDigestive diseasesGlobal burdenRisk factorsBurden of digestive diseasesMetabolic-associated fatty liver diseaseGlobal Burden of Disease StudyEstimated prevalenceBurden of Disease StudyAll-age prevalencePublic health strategiesLongitudinal analysisYears of lifeCross-sectional studyPrevalence of metabolic-associated fatty liver diseaseHealth strategiesDigestive system diseasesPrimary risk factorHealth lossLife yearsEpidemiological trendsPremature deathDisease StudyNorth African populationsAI-Based Models for Risk Prediction in MASLD: A Systematic Review
Njei B, Al-Ajlouni Y, Lemos S, Ugwendum D, Njei N, Al Ta’ani O, Ameyaw P, Njei L, Boateng S. AI-Based Models for Risk Prediction in MASLD: A Systematic Review. Digestive Diseases And Sciences 2025, 1-28. PMID: 41231418, DOI: 10.1007/s10620-025-09499-6.Peer-Reviewed Original ResearchRisk predictionSystematic reviewLow riskQUADAS-2Cross-sectional designRisk of biasWeb of ScienceComprehensive literature searchQUADAS-2 toolClinically significant diseasePROSPERO databasePRISMA guidelinesPatient outcomesHealth concernLiterature searchClinical practiceExclusion criteriaGlobal health concernRetrospective cohortAdvanced fibrosisClinical featuresPatient selectionClinical managementQuality assessmentLiver diseaseRole of dietary quality in lean metabolic dysfunction–associated steatotic liver disease: analysis of NHANES 2017–2020
Kasar A, Boateng S, Ameyaw P, Issaka Y, Al-Ajlouni Y, Balasundaram R, Njei B. Role of dietary quality in lean metabolic dysfunction–associated steatotic liver disease: analysis of NHANES 2017–2020. Baylor University Medical Center Proceedings 2025, 39: 29-36. DOI: 10.1080/08998280.2025.2563490.Peer-Reviewed Original ResearchHealthy Eating Index scoreHealthy Eating IndexDiet qualityNational Health and Nutrition Examination SurveyHealth and Nutrition Examination SurveySurvey-weighted logistic regressionPresence of metabolic dysfunctionLiver diseaseMetabolic dysfunctionNutrition Examination SurveyLow riskNormal body mass indexSteatotic liver diseaseCardiometabolic risk factorsHigher-quality dietCross-sectional analysisBody mass indexHEI-2015Examination SurveyDietary qualityPotential confoundersQuartile 4Quartile 1Mass indexClinical challengeS269 Comparative Risk of Cholangiocarcinoma With GLP-1 Receptor Agonists and Bariatric Surgery in Patients With Diabetes and Obesity: A Matched Cohort Study
Alhalalmeh Y, Al Ta’ani O, Althunibat I, Qirem M, Eldesouki M, Njei B. S269 Comparative Risk of Cholangiocarcinoma With GLP-1 Receptor Agonists and Bariatric Surgery in Patients With Diabetes and Obesity: A Matched Cohort Study. The American Journal Of Gastroenterology 2025, 120: s57-s57. DOI: 10.14309/01.ajg.0001128536.23109.f4.Peer-Reviewed Original ResearchS223 Outcomes of Acute Pancreatitis in Lean vs Non-Lean MASLD Patients: A Nationwide Analysis
Ameyaw P, Boateng S, Sandra Ackah E, Kasar A, Issaka Y, Al Ajlouni Y, Njei B. S223 Outcomes of Acute Pancreatitis in Lean vs Non-Lean MASLD Patients: A Nationwide Analysis. The American Journal Of Gastroenterology 2025, 120: s47-s47. DOI: 10.14309/01.ajg.0001127352.27759.8f.Peer-Reviewed Original ResearchS2907 Analysis of the Outcomes of Septic Shock Patients With and Without MASLD: A United States Population-Based Cohort Study
Nguefang Tchoukeu G, Boateng S, Eze I, Issaka Y, Konlack Mekontso J, Verma A, Ameyaw P, Ezeano C, Al Ajlouni Y, Njei B. S2907 Analysis of the Outcomes of Septic Shock Patients With and Without MASLD: A United States Population-Based Cohort Study. The American Journal Of Gastroenterology 2025, 120: s625-s625. DOI: 10.14309/01.ajg.0001139088.69308.0f.Peer-Reviewed Original ResearchS90 Predictors of Biliary Malignancy Among GLP-1 Receptor Agonist Users
Boateng S, Njei B, Issaka Y, Nguefang Tchoukeu G, Al Ajlouni Y, Ameyaw P, Eze I, Atarere J, Omeludike E, Roberts L. S90 Predictors of Biliary Malignancy Among GLP-1 Receptor Agonist Users. The American Journal Of Gastroenterology 2025, 120: s19-s19. DOI: 10.14309/01.ajg.0001126820.19690.23.Peer-Reviewed Original ResearchS2080 Antiretroviral Therapy Enhances the Cardioprotective Benefit of GLP-1 Receptor Agonists in People With HIV
Boateng S, Issaka Y, Ameyaw P, Al Ajlouni Y, Nguefang Tchoukeu G, Eze I, Boampong A, Malik B, Nabeta G, Altinbas A, Njei B. S2080 Antiretroviral Therapy Enhances the Cardioprotective Benefit of GLP-1 Receptor Agonists in People With HIV. The American Journal Of Gastroenterology 2025, 120: s447-s447. DOI: 10.14309/01.ajg.0001135780.83910.54.Peer-Reviewed Original ResearchS2684 Fibro-GPT: A Large Language Model for Accurate Prediction of Advanced Fibrosis and Hepatic Decompensation in MASLD
Njei B, Njei N, Ilagan-Ying Y, Al Ta’ani O, Boateng S, Al Ajlouni Y, Banini B. S2684 Fibro-GPT: A Large Language Model for Accurate Prediction of Advanced Fibrosis and Hepatic Decompensation in MASLD. The American Journal Of Gastroenterology 2025, 120: s576-s576. DOI: 10.14309/01.ajg.0001138196.67839.b3.Peer-Reviewed Original Research
Academic Achievements & Community Involvement
News
News
- October 15, 2025
Welcome New Faculty and Postgrads in the Yale Department of Internal Medicine (October 2025)
- March 06, 2025
Meet Yale Internal Medicine: Basile Njei, MD, PhD, MPH
- December 03, 2024Source: MEDPAGETODAY
Lean MASH Patients Face Higher Mortality and Worse Outcomes
- October 27, 2024Source: HCPLive American College of Gastroenterology
Basile Njei, MD, MPH, PhD: Increasing Lean MASLD Awareness, Improving Screening
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