2020
Children and adolescents with type 1 and type 2 diabetes mellitus in the Pediatric Diabetes Consortium Registries: comparing clinical characteristics and glycaemic control
Van Name MA, Cheng P, Gal RL, Kollman C, Lynch J, Nelson B, Tamborlane WV, Consortium F. Children and adolescents with type 1 and type 2 diabetes mellitus in the Pediatric Diabetes Consortium Registries: comparing clinical characteristics and glycaemic control. Diabetic Medicine 2020, 37: 863-867. PMID: 31943374, DOI: 10.1111/dme.14233.Peer-Reviewed Original ResearchConceptsType 2 diabetesType 1 diabetesPediatric Diabetes ConsortiumTarget HbAType 1Median C-peptide levelsResidual endogenous insulin secretionType 2 diabetes mellitusC-peptide levelsEndogenous insulin secretionOverweight/obeseYears of agePoor diabetes outcomesSubset of participantsCharacteristics of childrenDiabetic ketoacidosisGlycaemic controlClinical characteristicsDiabetes mellitusDiabetes outcomesRisk factorsFamilies of childrenInsulin secretionInsulin treatmentDiabetes diagnosis
2015
C‐peptide levels in pediatric type 2 diabetes in the Pediatric Diabetes Consortium T2D Clinic Registry
Gregg B, Connor CG, Cheng P, Ruedy KJ, Beck RW, Kollman C, Schatz D, Cengiz E, Tamborlane WV, Klingensmith GJ, Lee JM, Consortium F. C‐peptide levels in pediatric type 2 diabetes in the Pediatric Diabetes Consortium T2D Clinic Registry. Pediatric Diabetes 2015, 17: 274-280. PMID: 25940861, DOI: 10.1111/pedi.12280.Peer-Reviewed Original ResearchConceptsC-peptide levelsC-peptide measurementsLower body mass indexPediatric type 2 diabetesInsulin-treated patientsEndogenous insulin secretionPediatric diabetes centersC-peptide valuesBody mass indexType 2 diabetesT2D durationInsulin therapyClinical factorsDiabetes CenterClinic registryMass indexC-peptideInsulin secretionInsulin treatmentLarge cohortT2DMetabolic controlType 2Biologic dataRegistryCGM-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
2013
Lack of Association Between Residual Insulin Production and Glucagon Response to Hypoglycemia in Youth With Short Duration of Type 1 Diabetes
Sherr J, Xing D, Ruedy KJ, Beck RW, Kollman C, Buckingham B, White NH, Fox L, Tsalikian E, Weinzimer S, Arbelaez AM, Tamborlane WV, Network F. Lack of Association Between Residual Insulin Production and Glucagon Response to Hypoglycemia in Youth With Short Duration of Type 1 Diabetes. Diabetes Care 2013, 36: 1470-1476. PMID: 23288858, PMCID: PMC3661789, DOI: 10.2337/dc12-1697.Peer-Reviewed Original ResearchConceptsMixed meal tolerance testΒ-cell functionResidual β-cell functionC-peptide levelsGlucagon responseT1D subjectsHypoglycemic clampPlasma glucagonPg/Endogenous β-cell functionPlasma C-peptide levelsAbsent glucagon responsesNondiabetic young adultsResidual insulin productionC-peptide responseNondiabetic control subjectsType 1 diabetesLack of associationT1D durationIncremental increaseControl subjectsTolerance testHypoglycemiaInsulin productionType 1
2012
Achievement of Target A1C Levels With Negligible Hypoglycemia and Low Glucose Variability in Youth With Short-Term Type 1 Diabetes and Residual β-Cell Function
Sherr J, Tamborlane WV, Xing D, Tsalikian E, Mauras N, Buckingham B, White NH, Arbelaez AM, Beck RW, Kollman C, Ruedy K, . Achievement of Target A1C Levels With Negligible Hypoglycemia and Low Glucose Variability in Youth With Short-Term Type 1 Diabetes and Residual β-Cell Function. Diabetes Care 2012, 35: 817-820. PMID: 22323414, PMCID: PMC3308298, DOI: 10.2337/dc11-2190.Peer-Reviewed Original ResearchConceptsResidual β-cell functionΒ-cell functionSensor glucose levelsLower glucose variabilityType 1 diabetesGlucose levelsContinuous glucose monitoringT1D participantsGlucose variabilityMean sensor glucose levelPeak C-peptide levelsMixed meal tolerance testTarget A1C levelsC-peptide levelsLong-term T1DShort-term groupNondiabetic groupT1D groupA1c levelsT1D patientsLess hyperglycemiaNondiabetic individualsTolerance testInsulin treatmentHypoglycemia
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
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 ResearchConceptsInsulin 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