2012
Teplizumab treatment may improve C-peptide responses in participants with type 1 diabetes after the new-onset period: a randomised controlled trial
Herold KC, Gitelman SE, Willi SM, Gottlieb PA, Waldron-Lynch F, Devine L, Sherr J, Rosenthal SM, Adi S, Jalaludin MY, Michels AW, Dziura J, Bluestone JA. Teplizumab treatment may improve C-peptide responses in participants with type 1 diabetes after the new-onset period: a randomised controlled trial. Diabetologia 2012, 56: 391-400. PMID: 23086558, PMCID: PMC3537871, DOI: 10.1007/s00125-012-2753-4.Peer-Reviewed Original ResearchConceptsC-peptide responseType 1 diabetesImmune therapyHigh C-peptide responseCentral randomisation centreChronic autoimmune processPlacebo-treated participantsPlacebo-controlled trialPrimary outcome analysisCharacteristics of patientsC-peptide levelsSubgroup of patientsC-peptide productionTeplizumab groupClinical respondersAutoimmune processPrimary outcomeExogenous insulinMixed mealSubgroup analysisResultsThirty-fourInsulin secretionTreatment benefitBaseline imbalancesTeplizumab
2008
Primary Defects in β-Cell Function Further Exacerbated by Worsening of Insulin Resistance Mark the Development of Impaired Glucose Tolerance in Obese Adolescents
Cali AM, Man CD, Cobelli C, Dziura J, Seyal A, Shaw M, Allen K, Chen S, Caprio S. Primary Defects in β-Cell Function Further Exacerbated by Worsening of Insulin Resistance Mark the Development of Impaired Glucose Tolerance in Obese Adolescents. Diabetes Care 2008, 32: 456-461. PMID: 19106382, PMCID: PMC2646028, DOI: 10.2337/dc08-1274.Peer-Reviewed Original ResearchConceptsImpaired glucose toleranceNormal glucose toleranceBeta-cell functionBeta-cell responsivityObese adolescentsGlucose toleranceDisposition indexOral glucose tolerance testProgressive declinePre-diabetic stateGlucose tolerance testBMI z-scorePrimary defectGlucose intoleranceGlucose areaTolerance testPlasma glucoseInsulin sensitivityC-peptideInsulin secretionNonprogressorsZ-scoreNatural historyProgressorsPercent fat