2011
Long-term Results of an Obesity Program in an Ethnically Diverse Pediatric Population
Savoye M, Nowicka P, Shaw M, Yu S, Dziura J, Chavent G, O'Malley G, Serrecchia JB, Tamborlane WV, Caprio S. Long-term Results of an Obesity Program in an Ethnically Diverse Pediatric Population. Pediatrics 2011, 127: 402-410. PMID: 21300674, PMCID: PMC3065145, DOI: 10.1542/peds.2010-0697.Peer-Reviewed Original ResearchConceptsControl groupLow-density lipoprotein cholesterolTotal body fat massIntensive lifestyle programIntensive lifestyle interventionHomeostasis model assessmentActive intervention phaseWeight management programBody fat massLong-term resultsBMI z-scorePercent body fatDiverse pediatric populationFamily-based programsLifestyle interventionLipoprotein cholesterolTotal cholesterolObese childrenObese populationPediatric populationInsulin resistanceObesity programLifestyle programFat massIntervention group
2008
Effect of a Successful Intensive Lifestyle Program on Insulin Sensitivity and Glucose Tolerance in Obese Youth
Shaw M, Savoye M, Cali A, Dziura J, Tamborlane WV, Caprio S. Effect of a Successful Intensive Lifestyle Program on Insulin Sensitivity and Glucose Tolerance in Obese Youth. Diabetes Care 2008, 32: 45-47. PMID: 18840769, PMCID: PMC2606827, DOI: 10.2337/dc08-0808.Peer-Reviewed Original ResearchConceptsIntensive lifestyle programLifestyle programInsulin sensitivityObese youthBody fatGlucose metabolismLarge randomized clinical trialsOral glucose tolerance testGlucose tolerance testRandomized clinical trialsGlucose toleranceObese childrenControl subjectsTolerance testClinical trialsBody compositionBody weightSubject changesGreater decreaseSubjectsFatMetabolismBMIResearch designBright bodiesShort‐term metabolic and cardiovascular effects of metformin in markedly obese adolescents with normal glucose tolerance
Burgert TS, Duran EJ, Goldberg‐Gell R, Dziura J, Yeckel CW, Katz S, Tamborlane WV, Caprio S. Short‐term metabolic and cardiovascular effects of metformin in markedly obese adolescents with normal glucose tolerance. Pediatric Diabetes 2008, 9: 567-576. PMID: 18761646, DOI: 10.1111/j.1399-5448.2008.00434.x.Peer-Reviewed Original ResearchConceptsNormal glucose toleranceInsulin sensitivityGlucose toleranceObese childrenDouble-blind clinical trialType 2 diabetes mellitusSubcutaneous fatCardio-metabolic consequencesBaseline insulin sensitivityImproved insulin sensitivityInsulin-resistant adolescentsHeart rate recoveryLong-term treatmentDeep subcutaneous fatShort-term useMagnetic resonance imagingPlacebo groupCardiovascular effectsDiabetes mellitusMetS groupClinical effectsLipid parametersInsulin sensitizersInflammatory cytokinesObese adolescents
2006
Ethnic differences in beta cell adaptation to insulin resistance in obese children and adolescents
Weiss R, Dziura JD, Burgert TS, Taksali SE, Tamborlane WV, Caprio S. Ethnic differences in beta cell adaptation to insulin resistance in obese children and adolescents. Diabetologia 2006, 49: 571-579. PMID: 16456682, DOI: 10.1007/s00125-005-0109-z.Peer-Reviewed Original ResearchConceptsEarly insulin responseObese childrenInsulin resistanceInsulin clearanceInsulin responseAims/hypothesisThe prevalenceObesity-related insulin resistanceOral glucose loadLower insulin clearanceType 2 diabetesAcute insulin responseGlucose tolerance levelsAltered glucose metabolismSevere insulin resistanceBeta-cell adaptationAfrican American subjectsEthnic groupsHypothesisThe prevalenceGlucose toleranceGlucose loadInsulin sensitivityGlucose metabolismMethodsSeven hundredClearanceHispanic origin
2005
Predictors of Changes in Glucose Tolerance Status in Obese Youth
Weiss R, Taksali SE, Tamborlane WV, Burgert TS, Savoye M, Caprio S. Predictors of Changes in Glucose Tolerance Status in Obese Youth. Diabetes Care 2005, 28: 902-909. PMID: 15793193, DOI: 10.2337/diacare.28.4.902.Peer-Reviewed Original ResearchConceptsOral glucose tolerance testImpaired glucose toleranceType 2 diabetesNormal glucose toleranceGlucose tolerance statusGlucose toleranceObese youthPredictors of changeObese childrenTolerance statusHigh riskGlucose tolerance testSevere obesityAfrican American descentTolerance testInsulin sensitivityC-peptideGlucose levelsDiabetesAnthropometric predictorsWeight changeAfrican American backgroundsPredictorsBaselineSubjects
2004
Obesity and the Metabolic Syndrome in Children and Adolescents
Weiss R, Dziura J, Burgert TS, Tamborlane WV, Taksali SE, Yeckel CW, Allen K, Lopes M, Savoye M, Morrison J, Sherwin RS, Caprio S. Obesity and the Metabolic Syndrome in Children and Adolescents. New England Journal Of Medicine 2004, 350: 2362-2374. PMID: 15175438, DOI: 10.1056/nejmoa031049.Peer-Reviewed Original ResearchMeSH KeywordsAdiponectinAdolescentAdultChildChild, PreschoolC-Reactive ProteinFemaleFollow-Up StudiesGlucose Tolerance TestHumansInsulin ResistanceIntercellular Signaling Peptides and ProteinsInterleukin-6Logistic ModelsMaleMetabolic SyndromeObesityPrevalenceProteinsRisk FactorsSeverity of Illness IndexConceptsDegree of obesityC-reactive proteinMetabolic syndromeBody mass indexAdiponectin levelsInsulin resistanceBlood pressureStandard glucose tolerance testC-reactive protein levelsHigh-density lipoprotein cholesterolZ-scoreAdverse cardiovascular outcomesSeverity of obesityGlucose tolerance testLevels of triglyceridesCardiovascular outcomesLipoprotein cholesterolObese subjectsObese childrenUnit of increaseMultiracial cohortNonobese childrenPlasma lipidsChildhood obesityObesityValidation of Insulin Sensitivity Indices from Oral Glucose Tolerance Test Parameters in Obese Children and Adolescents
Yeckel CW, Weiss R, Dziura J, Taksali SE, Dufour S, Burgert TS, Tamborlane WV, Caprio S. Validation of Insulin Sensitivity Indices from Oral Glucose Tolerance Test Parameters in Obese Children and Adolescents. The Journal Of Clinical Endocrinology & Metabolism 2004, 89: 1096-1101. PMID: 15001593, DOI: 10.1210/jc.2003-031503.Peer-Reviewed Original ResearchConceptsWhole-body insulin sensitivity indexOral glucose tolerance testInsulin sensitivity indexIntramyocellular lipid contentInsulin sensitivityInsulin resistanceObese youthLarge cohortComposite whole body insulin sensitivity indexOral glucose tolerance test parametersSurrogate indexClamp-derived insulin sensitivityImpaired glucose toleranceGlucose tolerance testType 2 diabetesEuglycemic hyperinsulinemic clampInsulin sensitivity measurementsGlucose toleranceMetabolic syndromeObese childrenObese populationPoor functionPlasma glucoseTolerance testInsulin response
2003
Prediabetes in obese youth: a syndrome of impaired glucose tolerance, severe insulin resistance, and altered myocellular and abdominal fat partitioning
Weiss R, Dufour S, Taksali SE, Tamborlane WV, Petersen KF, Bonadonna RC, Boselli L, Barbetta G, Allen K, Rife F, Savoye M, Dziura J, Sherwin R, Shulman GI, Caprio S. Prediabetes in obese youth: a syndrome of impaired glucose tolerance, severe insulin resistance, and altered myocellular and abdominal fat partitioning. The Lancet 2003, 362: 951-957. PMID: 14511928, PMCID: PMC2995523, DOI: 10.1016/s0140-6736(03)14364-4.Peer-Reviewed Original ResearchConceptsImpaired glucose toleranceNormal glucose toleranceGlucose toleranceObese childrenInsulin resistanceObese adolescentsGlucose disposalInsulin sensitivitySevere peripheral insulin resistanceNon-oxidative glucose metabolismSubcutaneous fatH plasma glucose concentrationsAbdominal fat partitioningVisceral lipid contentsPeripheral glucose disposalHigher intramyocellular lipid contentAbdominal fat distributionDegree of obesityIntramyocellular lipid contentPeripheral insulin resistanceHigh visceral fatAbdominal subcutaneous fatEuglycaemic hyperinsulinaemic clampSevere insulin resistancePlasma glucose concentration
2002
Prevalence of Impaired Glucose Tolerance among Children and Adolescents with Marked Obesity
Sinha R, Fisch G, Teague B, Tamborlane WV, Banyas B, Allen K, Savoye M, Rieger V, Taksali S, Barbetta G, Sherwin RS, Caprio S. Prevalence of Impaired Glucose Tolerance among Children and Adolescents with Marked Obesity. New England Journal Of Medicine 2002, 346: 802-810. PMID: 11893791, DOI: 10.1056/nejmoa012578.Peer-Reviewed Original ResearchConceptsImpaired glucose toleranceType 2 diabetesC-peptide levelsGlucose toleranceGlucose tolerance testBeta-cell functionInsulin resistanceObese childrenInsulin levelsObese adolescentsGlucose levelsTwo-hour oral glucose tolerance testImpaired oral glucose toleranceOvert type 2 diabetesOral glucose tolerance testHomeostatic model assessmentOral glucose toleranceBody mass indexLevels of proinsulinBeta-cell failureIngestion of glucoseRatio of proinsulinSevere obesityMarked obesityChildhood obesity
1996
Co-existence of severe insulin resistance and hyperinsulinaemia in pre-adolescent obese children
Caprio S, Bronson M, Sherwin RS, Rife F, Tamborlane WV. Co-existence of severe insulin resistance and hyperinsulinaemia in pre-adolescent obese children. Diabetologia 1996, 39: 1489-1497. PMID: 8960831, DOI: 10.1007/s001250050603.Peer-Reviewed Original ResearchConceptsObese groupHyperglycaemic clampInsulin resistanceObese preadolescentsInsulin actionGlucose-stimulated insulin levelsHigher insulin infusion ratesNon-oxidative glucose metabolismGlucose uptakeDuration of obesityGroup of obeseNon-obese subjectsBeta-cell functionDevelopment of obesityEuglycaemic hyperinsulinaemic clampSevere insulin resistanceInsulin infusion rateCross-sectional analysisOnset of pubertyAbility of insulinSevere obesityObese adultsObese childrenObese subjectsInsulin levelsHyperleptinemia: an early sign of juvenile obesity. Relations to body fat depots and insulin concentrations
Caprio S, Tamborlane WV, Silver D, Robinson C, Leibel R, McCarthy S, Grozman A, Belous A, Maggs D, Sherwin RS. Hyperleptinemia: an early sign of juvenile obesity. Relations to body fat depots and insulin concentrations. American Journal Of Physiology 1996, 271: e626-e630. PMID: 8843759, DOI: 10.1152/ajpendo.1996.271.3.e626.Peer-Reviewed Original ResearchConceptsVisceral fat massLeptin levelsLeptin concentrationsFat depotsJuvenile obesityFat massInsulin concentrationsDb/db miceHyperglycemic clamp studiesAdult obese subjectsOb gene productDevelopment of obesityFa/fa ratsLeptin mRNA expressionSubcutaneous fat depotsMagnetic resonance imagingSpecific fat depotsObese subjectsNonobese subjectsObese childrenDb miceNonobese childrenAcute increaseObese stateHyperinsulinemic conditions