2015
Improved Postprandial Glucose Control Using the InsuPad Device in Insulin-Treated Type 2 Diabetes
Raz I, Bitton G, Feldman D, Alon T, Pfutzner A, Tamborlane WV. Improved Postprandial Glucose Control Using the InsuPad Device in Insulin-Treated Type 2 Diabetes. Journal Of Diabetes Science And Technology 2015, 9: 639-643. PMID: 25883166, PMCID: PMC4604546, DOI: 10.1177/1932296815578881.Peer-Reviewed Original ResearchConceptsRapid-acting insulin analoguesType 2 diabetesMeal tolerance testPlasma insulin levelsInsulin analoguesInsulin levelsGlucose excursionsInjection siteInsulin absorptionType 2 diabetic patientsPostmeal glucose excursionsStandardized liquid mealPostprandial glucose excursionsTime-action profilePostprandial glucose controlInsulin therapyDiabetic patientsGlucose controlLiquid mealOvernight fastInsulin aspartTolerance testPostprandial hyperglycemiaPremeal bolusesPremeal injectionsCGM-measured glucose values have a strong correlation with C-peptide, HbA1c and IDAAC, but do poorly in predicting C-peptide levels in the two years following onset of diabetes
Buckingham B, Cheng P, Beck RW, Kollman C, Ruedy KJ, Weinzimer SA, Slover R, Bremer AA, Fuqua J, Tamborlane W, for the Diabetes Research in Children Network (DirecNet) and Type 1 Diabetes TrialNet Study Groups. CGM-measured glucose values have a strong correlation with C-peptide, HbA1c and IDAAC, but do poorly in predicting C-peptide levels in the two years following onset of diabetes. Diabetologia 2015, 58: 1167-1174. PMID: 25773405, PMCID: PMC4416994, DOI: 10.1007/s00125-015-3559-y.Peer-Reviewed Original ResearchConceptsC-peptide levelsType 1 diabetesHigher C-peptide levelsC-peptideGlucose levelsTime pointsGlucose valuesMixed meal tolerance testAims/hypothesisThe aimCGM glucose levelsC-peptide responseWeeks of diagnosisOnset of diabetesLower glucose variabilityConclusions/interpretationInMethodsA secondary analysisSensor glucose levelsCGM glucose valuesAdditional time pointsHypothesisThe aimGlucose variabilityTolerance testContinuous glucose monitoring dataInsulin secretionCGM metrics
2014
Reversal of Early Abnormalities in Glucose Metabolism in Obese Youth: Results of an Intensive Lifestyle Randomized Controlled Trial
Savoye M, Caprio S, Dziura J, Camp A, Germain G, Summers C, Li F, Shaw M, Nowicka P, Kursawe R, DePourcq F, Kim G, Tamborlane WV. Reversal of Early Abnormalities in Glucose Metabolism in Obese Youth: Results of an Intensive Lifestyle Randomized Controlled Trial. Diabetes Care 2014, 37: 317-324. PMID: 24062325, PMCID: PMC3898759, DOI: 10.2337/dc13-1571.Peer-Reviewed Original ResearchConceptsStandard of careClinical careBlood glucoseObese adolescentsObese youthOral glucose tolerance test glucoseIntensive lifestyle modificationDiabetes Prevention ProgramStandard clinical careInsulin sensitivity indexHealthy lifestyle programType 2 diabetesRisk of T2DChildhood obesity epidemicΒ-cell dysfunctionLifestyle modificationControlled TrialsOGTT glucosePrimary outcomeGlucose toleranceInsulin resistanceLifestyle programAnthropometric assessmentEarly abnormalitiesGlucose levels
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 ResearchMeSH KeywordsAdipose TissueAdolescentBody Mass IndexChildFemaleGlucose Tolerance TestHumansInsulinLife StyleMaleObesityWeight LossConceptsIntensive 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
2007
Degree of Obesity and Glucose Allostasis Are Major Effectors of Glucose Tolerance Dynamics in Obese Youth
Weiss R, Cali AM, Dziura J, Burgert TS, Tamborlane WV, Caprio S. Degree of Obesity and Glucose Allostasis Are Major Effectors of Glucose Tolerance Dynamics in Obese Youth. Diabetes Care 2007, 30: 1845-1850. PMID: 17475938, DOI: 10.2337/dc07-0325.Peer-Reviewed Original ResearchConceptsOral glucose tolerance testDegree of obesityElevated glucose levelsObese youthGlucose toleranceAmbient glycemiaInsulin sensitivityGlucose levelsSecond oral glucose tolerance testBaseline BMI z-scoreGlucose tolerance testBMI z-scoreAltered glucose metabolismCross-sectional analysisTolerance testInsulin sensitizationGlucose metabolismObesityZ-scoreLongitudinal assessmentLongitudinal changesMajor effectorGlycemiaSignificant reduction
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
Microalbuminuria in pediatric obesity: prevalence and relation to other cardiovascular risk factors
Burgert TS, Dziura J, Yeckel C, Taksali SE, Weiss R, Tamborlane W, Caprio S. Microalbuminuria in pediatric obesity: prevalence and relation to other cardiovascular risk factors. International Journal Of Obesity 2005, 30: 273-280. PMID: 16231019, DOI: 10.1038/sj.ijo.0803136.Peer-Reviewed Original ResearchConceptsUrine albumin-creatinine ratioPresence of microalbuminuriaBody mass indexCV riskBlood pressureMetabolic syndromeRisk factorsIndividual CV risk factorsRelationship of microalbuminuriaAlbumin-creatinine ratioCardiovascular risk factorsCV risk factorsOral glucose toleranceInsulin sensitivity indexRisk factor constellationsEarly vasculopathyMicroalbuminuric rangeCardiovascular eventsCV diseaseGross proteinuriaInflammatory markersEndothelial dysfunctionNondiabetic adultsObesity clinicCreatinine ratioPredictors 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
The Normal Glucose Tolerance Continuum in Obese Youth: Evidence for Impairment in β-Cell Function Independent of Insulin Resistance
Yeckel CW, Taksali SE, Dziura J, Weiss R, Burgert TS, Sherwin RS, Tamborlane WV, Caprio S. The Normal Glucose Tolerance Continuum in Obese Youth: Evidence for Impairment in β-Cell Function Independent of Insulin Resistance. The Journal Of Clinical Endocrinology & Metabolism 2004, 90: 747-754. PMID: 15522932, DOI: 10.1210/jc.2004-1258.Peer-Reviewed Original ResearchConceptsBeta-cell responsivenessNormal glucose tolerancePlasma glucose levelsGlucose levelsGlucose toleranceInsulin sensitivityPlasma glucoseObese youthOral glucose tolerance testType 2 diabetes mellitusDecreased insulinogenic indexGlucose tolerance continuumGlucose tolerance testInsulin sensitivity indexContinuum of riskDelta insulinInsulinogenic indexDiabetes mellitusInsulin resistancePlasma levelsTolerance testNormal rangeFunction IndependentDlGlucose concentrationObesity 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 ResearchMeSH KeywordsAbdomenAdipose TissueAdolescentChildFemaleGlucose Tolerance TestHumansInsulinInsulin ResistanceMaleMuscle, SkeletalObesityPrediabetic StateConceptsImpaired 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
1995
Enhanced adrenomedullary response and increased susceptibility to neuroglycopenia: Mechanisms underlying the adverse effects of sugar ingestion in healthy children
Jones TW, Borg WP, Boulware SD, McCarthy G, Sherwin RS, Tamborlane WV. Enhanced adrenomedullary response and increased susceptibility to neuroglycopenia: Mechanisms underlying the adverse effects of sugar ingestion in healthy children. The Journal Of Pediatrics 1995, 126: 171-177. PMID: 7844661, DOI: 10.1016/s0022-3476(95)70541-4.Peer-Reviewed Original ResearchConceptsClinical Research CenterHealthy childrenPlasma glucose concentrationAdrenomedullary responseHypoglycemic clampSymptom scoresSugar ingestionStandard oral glucose loadOral glucose loadPlasma epinephrine levelsPlasma glucose levelsGlucose concentrationCognitive effectsSugar-free drinksP300 potentialEpinephrine levelsP300 auditoryGlucose loadInsulin levelsSymptomatic responsePlasma glucoseOral administrationGlucose levelsHormone concentrationsPhysiologic mechanisms
1988
Insulin Resistance and Hyperinsulinemia in Patients with Thalassemia Major Treated by Hypertransfusion
Merkel PA, Simonson DC, Amiel SA, Plewe G, Sherwin RS, Pearson HA, Tamborlane WV. Insulin Resistance and Hyperinsulinemia in Patients with Thalassemia Major Treated by Hypertransfusion. New England Journal Of Medicine 1988, 318: 809-814. PMID: 3281000, DOI: 10.1056/nejm198803313181303.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBlood GlucoseBlood TransfusionChildDiabetes MellitusFemaleGlucose Tolerance TestHumansInsulinInsulin ResistanceMaleThalassemiaTransfusion ReactionConceptsInsulin resistanceInsulin levelsThalassemia majorInsulin-stimulated glucose metabolismC-peptide levelsDevelopment of diabetesOral glucose administrationPlasma insulin levelsHypertransfusion therapyPubertal patientsPrepubertal patientsDiabetes mellitusGlucose toleranceInsulin deficiencyPubertal childrenGlucose administrationInsulin secretionIron overloadPrepubertal childrenChelation therapyPubertal subjectsGlucose metabolismBeta cellsHyperglycemic stimulusPatients
1983
Effect of growth hormone on oral glucose tolerance and circulating metabolic fuels in man
Sherwin RS, Schulman GA, Hendler R, Walesky M, Belous A, Tamborlane W. Effect of growth hormone on oral glucose tolerance and circulating metabolic fuels in man. Diabetologia 1983, 24: 155-161. PMID: 6341144, DOI: 10.1007/bf00250154.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmino AcidsBlood GlucoseEpinephrineFatty Acids, NonesterifiedFemaleGlucagonGlucose Tolerance TestGrowth HormoneHumansHydrocortisoneInsulinKetone BodiesMaleConceptsGrowth hormone excessNon-esterified fatty acidsGrowth hormoneHormone excessHigher plasma insulin concentrationsOral glucose toleranceInsulin antagonistic effectsGrowth hormone infusionHigher insulin levelsInfusion of cortisolPlasma insulin concentrationOral glucoseGlucose intoleranceGlucose toleranceSomatomedin concentrationsInsulin levelsFatty acidsHormone infusionPlasma glucoseHyperglycaemic responseInsulin concentrationsNormal suppressionGlucose curveGlucose levelsNormal subjects