2024
Postprandial Glucose Variability Following Typical Meals in Youth Living with Type 1 Diabetes
Patton S, Bergford S, Sherr J, Gal R, Calhoun P, Clements M, Riddell M, Martin C. Postprandial Glucose Variability Following Typical Meals in Youth Living with Type 1 Diabetes. Nutrients 2024, 16: 162. PMID: 38201991, PMCID: PMC10781146, DOI: 10.3390/nu16010162.Peer-Reviewed Original ResearchConceptsGlycemic variabilityGlucose variabilityType 1Continuous glucose monitoringPediatric studiesCarbohydrate intakeDay observation periodMacronutrient intakeDietary guidelinesPhysical activityExercise intensityT1DGlucose monitoringObservation periodTypical mealMeal contentMealIntakeCoefficient of variationAssociationMacronutrient contentMore carbohydratesCliniciansLarge sample
2023
The Acute Effects of Real-World Physical Activity on Glycemia in Adolescents With Type 1 Diabetes: The Type 1 Diabetes Exercise Initiative Pediatric (T1DEXIP) Study.
Riddell M, Gal R, Bergford S, Patton S, Clements M, Calhoun P, Beaulieu L, Sherr J. The Acute Effects of Real-World Physical Activity on Glycemia in Adolescents With Type 1 Diabetes: The Type 1 Diabetes Exercise Initiative Pediatric (T1DEXIP) Study. Diabetes Care 2023, 47: 132-139. PMID: 37922335, DOI: 10.2337/dc23-1548.Peer-Reviewed Original ResearchConceptsReal-world physical activityPhysical activityType 1Pediatric studiesHeart rateLower baseline HbA1c levelsReal-world observational studySelf-reported physical activityBaseline HbA1c levelsShorter disease durationPeak heart rateType 1 diabetesSelf-management strategiesDisease durationHbA1c levelsMedian durationLess hypoglycemiaLower BMIAcute effectsContinuous glucose monitoring dataObservational studyFood intakeEvent-level factorsInsulin dosingActive adolescentsCGM Metrics Identify Dysglycemic States in Participants From the TrialNet Pathway to Prevention Study.
Wilson D, Pietropaolo S, Acevedo-Calado M, Huang S, Anyaiwe D, Scheinker D, Steck A, Vasudevan M, McKay S, Sherr J, Herold K, Dunne J, Greenbaum C, Lord S, Haller M, Schatz D, Atkinson M, Nelson P, Pietropaolo M. CGM Metrics Identify Dysglycemic States in Participants From the TrialNet Pathway to Prevention Study. Diabetes Care 2023, 46: 526-534. PMID: 36730530, PMCID: PMC10020029, DOI: 10.2337/dc22-1297.Peer-Reviewed Original ResearchConceptsOral glucose tolerance testNormal oral glucose tolerance testType 1 diabetesDiabetes-related autoantibodiesGlucose levelsCGM metricsTrialNet PathwayPrevention StudyAbnormal oral glucose tolerance testGlucose valuesGlucose tolerance testContinuous glucose monitoring parametersStage 2 participantsRelatives of individualsCGMS assessmentDysglycemic statesTolerance testIdentification of individualsDiabetesNegative testAutoantibodiesProgressionBaseline dataIndividualsParticipants
2021
Hemoglobin A1c Patterns of Youth With Type 1 Diabetes 10 Years Post Diagnosis From 3 Continents
Sherr JL, Schwandt A, Phelan H, Clements MA, Holl RW, Benitez-Aguirre PZ, Miller KM, Woelfle J, Dover T, Maahs DM, Fröhlich-Reiterer E, Craig ME. Hemoglobin A1c Patterns of Youth With Type 1 Diabetes 10 Years Post Diagnosis From 3 Continents. Pediatrics 2021, 148: e2020048942. PMID: 34315809, PMCID: PMC8785705, DOI: 10.1542/peds.2020-048942.Peer-Reviewed Original Research
2020
Effect of Continuous Glucose Monitoring on Glycemic Control in Adolescents and Young Adults With Type 1 Diabetes
Laffel LM, Kanapka LG, Beck RW, Bergamo K, Clements MA, Criego A, DeSalvo DJ, Goland R, Hood K, Liljenquist D, Messer LH, Monzavi R, Mouse TJ, Prahalad P, Sherr J, Simmons JH, Wadwa RP, Weinstock RS, Willi SM, Miller KM. Effect of Continuous Glucose Monitoring on Glycemic Control in Adolescents and Young Adults With Type 1 Diabetes. JAMA 2020, 323: 2388-2396. PMID: 32543683, PMCID: PMC7298603, DOI: 10.1001/jama.2020.6940.Peer-Reviewed Original ResearchConceptsType 1 diabetesContinuous glucose monitoringGlycemic controlPatient-reported outcomesGlucose monitoringYoung adultsSecondary outcomesCGM groupHbA1c outcomesEffects of CGMType 1 diabetes exhibitBGM groupRandomized clinical trialsWorse glycemic controlBlood glucose monitoringDiabetic ketoacidosisMean HbA1cUsual careEndocrinology practiceAdverse eventsMonth 6Primary outcomeSevere hypoglycemiaClinical trialsCGM metrics
2019
Safety and Performance of the Omnipod Hybrid Closed-Loop System in Adults, Adolescents, and Children with Type 1 Diabetes Over 5 Days Under Free-Living Conditions
Sherr J, Buckingham BA, Forlenza G, Galderisi A, Ekhlaspour L, Wadwa RP, Carria L, Hsu L, Berget C, Peyser TA, Lee JB, O'Connor J, Dumais B, Huyett L, Layne JE, Ly TT. Safety and Performance of the Omnipod Hybrid Closed-Loop System in Adults, Adolescents, and Children with Type 1 Diabetes Over 5 Days Under Free-Living Conditions. Diabetes Technology & Therapeutics 2019, 22: 174-184. PMID: 31596130, PMCID: PMC7047109, DOI: 10.1089/dia.2019.0286.Peer-Reviewed Original ResearchConceptsDaily physical activityPhysical activityFree-living conditionsPercentage timeMultiple daily injectionsType 1 diabetesRespective age groupsCohort of participantsHybrid closed-loop systemPrimary endpointDaily injectionsEligible participantsClosed-loop studiesPercentage of timeTherapy phaseInvestigational deviceNights of useAge groupsSensor glucoseType 1Home settingDlSignificant decreaseUsual routineAdults
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
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 imbalancesTeplizumabEffect of Pramlintide on Prandial Glycemic Excursions During Closed-Loop Control in Adolescents and Young Adults With Type 1 Diabetes
Weinzimer SA, Sherr JL, Cengiz E, Kim G, Ruiz JL, Carria L, Voskanyan G, Roy A, Tamborlane WV. Effect of Pramlintide on Prandial Glycemic Excursions During Closed-Loop Control in Adolescents and Young Adults With Type 1 Diabetes. Diabetes Care 2012, 35: 1994-1999. PMID: 22815298, PMCID: PMC3447854, DOI: 10.2337/dc12-0330.Peer-Reviewed Original ResearchConceptsGlycemic excursionsBG excursionsEffects of pramlintideBlood glucose excursionsAbsorption of insulinContent of mealsPreprandial injectionsInsulin levelsPostprandial glycemiaGlucose excursionsInsulin delivery systemsInsulin concentrationsGlucose riseManual bolusesInsulin feedbackPostprandial BGStudy daysPramlintideCL controlInsulin absorptionType 1Beneficial effectsSubcutaneous sitesTarget glucoseYoung adultsEffect of Insulin Feedback on Closed-Loop Glucose Control: A Crossover Study
Ruiz JL, Sherr JL, Cengiz E, Carria L, Roy A, Voskanyan G, Tamborlane WV, Weinzimer SA. Effect of Insulin Feedback on Closed-Loop Glucose Control: A Crossover Study. Journal Of Diabetes Science And Technology 2012, 6: 1123-1130. PMID: 23063039, PMCID: PMC3570847, DOI: 10.1177/193229681200600517.Peer-Reviewed Original ResearchConceptsBG excursionsPostprandial hypoglycemiaBG levelsMeal-related glucose excursionsInsulin deliveryLate postprandial hypoglycemiaTotal insulin deliveryOverall glycemic controlOccurrence of hypoglycemiaClosed-loop glucose controlMean BG levelClosed-loop insulin delivery systemAverage BG levelsBlood glucose responseSeparate admissionsGlycemic controlCrossover studyGlucose controlHypoglycemic eventsGlucose excursionsInsulin delivery systemsGlucose riseBG controlInsulin feedbackManual bolusesAchievement 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 treatmentHypoglycemiaA Randomized Clinical Trial to Assess the Efficacy and Safety of Real-Time Continuous Glucose Monitoring in the Management of Type 1 Diabetes in Young Children Aged 4 to <10 Years
Mauras N, Beck R, Xing D, Ruedy K, Buckingham B, Tansey M, White NH, Weinzimer SA, Tamborlane W, Kollman C, . A Randomized Clinical Trial to Assess the Efficacy and Safety of Real-Time Continuous Glucose Monitoring in the Management of Type 1 Diabetes in Young Children Aged 4 to <10 Years. Diabetes Care 2012, 35: 204-210. PMID: 22210571, PMCID: PMC3263860, DOI: 10.2337/dc11-1746.Peer-Reviewed Original ResearchConceptsType 1 diabetesContinuous glucose monitoringGlycemic controlPrimary outcomeParental satisfactionReal-time continuous glucose monitoringGlucose monitoringSevere hypoglycemia ratesDays/weekGlucose dataUsual careHypoglycemia ratesSevere hypoglycemiaCGM groupClinical trialsChildren Aged 4Control groupDiabetesHypoglycemiaDay managementAged 4WeeksParental fearYoung childrenChildren
2011
Feasibility of prolonged continuous glucose monitoring in toddlers with type 1 diabetes
Tsalikian E, Fox L, Weinzimer S, Buckingham B, White NH, Beck R, Kollman C, Xing D, Ruedy K, Group D. Feasibility of prolonged continuous glucose monitoring in toddlers with type 1 diabetes. Pediatric Diabetes 2011, 13: 301-307. PMID: 22151826, PMCID: PMC3665108, DOI: 10.1111/j.1399-5448.2011.00837.x.Peer-Reviewed Original ResearchConceptsType 1 diabetesParental satisfactionMultiple daily injectionsContinuous glucose monitoring useYr of ageYoung childrenContinuous glucose monitoringMean HbA1cMean hemoglobinGlycemic controlMonth 6Daily injectionsMean ageSkin reactionsBiochemical hypoglycemiaCGM useGlucose valuesGlucose readingsInsulin pumpHyperglycemic excursionsHyperglycemic rangeGlucose monitoringMonthsWkDiabetes
2010
Effectiveness of Sensor-Augmented Insulin-Pump Therapy in Type 1 Diabetes
Bergenstal RM, Tamborlane WV, Ahmann A, Buse JB, Dailey G, Davis SN, Joyce C, Peoples T, Perkins BA, Welsh JB, Willi SM, Wood MA. Effectiveness of Sensor-Augmented Insulin-Pump Therapy in Type 1 Diabetes. New England Journal Of Medicine 2010, 363: 311-320. PMID: 20587585, DOI: 10.1056/nejmoa1002853.Peer-Reviewed Original ResearchConceptsInjection therapy groupPump-therapy groupSensor-augmented pump therapyGlycated hemoglobin levelsHemoglobin levelsType 1 diabetesPump therapyBaseline glycated hemoglobin levelMultiple daily insulin injectionsType 1 diabetes mellitusGlycated haemoglobin targetPrimary end pointProportion of patientsDaily insulin injectionsSignificant weight gainRecombinant insulin analogueHemoglobin targetsInjection therapyDiabetes mellitusSevere hypoglycemiaInsulin injectionsClinical teamInsulin analoguesEnd pointTherapy