2024
Cost-Effectiveness of Closed-Loop Automated Insulin Delivery Using the Cambridge Hybrid Algorithm in Children and Adolescents with Type 1 Diabetes: Results from a Multicenter 6-Month Randomized Trial.
Fox D, Ware J, Boughton C, Allen J, Wilinska M, Tauschmann M, Denvir L, Thankamony A, Campbell F, Wadwa R, Buckingham B, Davis N, DiMeglio L, Mauras N, Besser R, Ghatak A, Weinzimer S, Kanapka L, Kollman C, Sibayan J, Beck R, Hood K, Hovorka R. Cost-Effectiveness of Closed-Loop Automated Insulin Delivery Using the Cambridge Hybrid Algorithm in Children and Adolescents with Type 1 Diabetes: Results from a Multicenter 6-Month Randomized Trial. Journal Of Diabetes Science And Technology 2024, 19322968241231950. PMID: 38494876, DOI: 10.1177/19322968241231950.Peer-Reviewed Original ResearchQuality-adjusted life yearsType 1 diabetesDiabetic ketoacidosisClosed-loop automated insulin deliveryDiscounted quality-adjusted life yearsTreatment groupsContinuous glucose monitoringIncremental cost-effectivenessParallel controlled trialProbabilistic sensitivity analysesInsulin deliveryInsulin pump therapyLifetime cost-effectivenessContemporaneous control groupUsual careImproved HbA<sub>1c</sub>Participants aged 6Health-related quality of lifeAutomated insulin deliverySubgroup patientsTreatment subgroupsSevere hypoglycemiaRandomized trialsTotal health care utilizationLifetime complications
2022
Feasibility and Preliminary Safety of Smartphone-Based Automated Insulin Delivery in Adolescents and Children With Type 1 Diabetes
Deshpande S, Weinzimer SA, Gibbons K, Nally LM, Weyman K, Carria L, Zgorski M, Laffel LM, Doyle FJ, Dassau E. Feasibility and Preliminary Safety of Smartphone-Based Automated Insulin Delivery in Adolescents and Children With Type 1 Diabetes. Journal Of Diabetes Science And Technology 2022, 18: 363-371. PMID: 35971681, PMCID: PMC10973844, DOI: 10.1177/19322968221116384.Peer-Reviewed Original ResearchType 1 diabetesUnannounced exercisePercent timeGlucose standard deviationParents/guardiansSecondary outcomesAdverse eventsPrimary outcomeBlood glucose dataPump therapyPreliminary safetyAutomated Insulin DeliveryContinuous glucose monitoring dataPediatric participantsGlucose monitoring dataAge-based cohortsArtificial pancreas systemsLarge mealsInsulin deliveryGlucose dataYoung childrenDiabetesYounger cohortsChildrenCohortA Comparison of Postprandial Glucose Control in the Medtronic Advanced Hybrid Closed-Loop System Versus 670G
Weinzimer S, Bailey RJ, Bergenstal RM, Nimri R, Beck RW, Schatz D, Ambler-Osborn L, Schweiger DS, von dem Berge T, Sibayan J, Johnson ML, Calhoun P, Phillip M, Bergenstal R, Phillip M, Criego A, Bergenstal R, Carlson A, Martens T, Beasley S, Johnson M, Whipple D, Hyatt J, Punel A, Grieme A, Thomas L, LaFrance A, Hasledalen C, Laffel L, Isganaitis E, Freiner E, Ambler-Osborn L, Desrochers H, Turcotte C, Naik N, Roethke L, Fisher M, Nimri R, Nevo M, Bello R, Hamou A, Hermon O, Horesh O, Shiovitch Mantzuri G, Drotz I, Yehiel N, Naveh R, Schatz D, Haller M, Albanese-O'Neill A, Sheehan E, Leey J, Smith M, Jacobsen L, Adams J, Hosford J, Whyte L, Battelino T, Dovč K, Bratina N, Šmigoc Schweiger D, Sever U, Gianini A, Murn Berkopec B, Mali B, Weinzimer S, Weyman K, Carria L, Zgorski M, Danne T, Biester T, von dem Berge T, Weiskorn J, Kordonouri O, Biester S, Aschemeier B, Remus K, Pisarek N, Sibayan J, Beck R, Mouse T, Davis J, Bailey R, Hellmann A, Reese N, Calhoun P, Strayer H, Cohen N, Henderson R, Kollman C, Kennedy J, Woodall W, Mahr I, Hood K, Arreaza-Rubin G, Eggerman T, Green N, Janicek R, Gabrielson D, Belle S, Castle J, Green J, Legault L, Willi S, Wysham C, Eggerman T. A Comparison of Postprandial Glucose Control in the Medtronic Advanced Hybrid Closed-Loop System Versus 670G. Diabetes Technology & Therapeutics 2022, 24: 573-582. PMID: 35363054, PMCID: PMC9353997, DOI: 10.1089/dia.2021.0568.Peer-Reviewed Original ResearchConceptsHybrid closed-loop systemGlucose levelsGlycemic controlGlycemic excursionsAdvanced hybrid closed-loop systemG armPostprandial glycemic excursionsPostprandial glycemic controlType 1 diabetesPostprandial glucose controlPrandial insulin deliveryTreatment armsCrossover trialGlucose controlMedtronic MiniMedSecondary analysisMeal sizeOvernight improvementInsulin deliveryHyperglycemiaOutcomesArmLevel 2HypoglycemiaPremealCambridge hybrid closed-loop algorithm in children and adolescents with type 1 diabetes: a multicentre 6-month randomised controlled trial
Ware J, Boughton CK, Allen JM, Wilinska ME, Tauschmann M, Denvir L, Thankamony A, Campbell FM, Wadwa RP, Buckingham BA, Davis N, DiMeglio LA, Mauras N, Besser REJ, Ghatak A, Weinzimer SA, Hood KK, Fox DS, Kanapka L, Kollman C, Sibayan J, Beck RW, Hovorka R, Consortium D, Hovorka R, Acerini C, Thankamony A, Allen J, Boughton C, Dovc K, Dunger D, Ware J, Musolino G, Tauschmann M, Wilinska M, Hayes J, Hartnell S, Slegtenhorst S, Ruan Y, Haydock M, Mangat J, Denvir L, Kanthagnany S, Law J, Randell T, Sachdev P, Saxton M, Coupe A, Stafford S, Ball A, Keeton R, Cresswell R, Crate L, Cripps H, Fazackerley H, Looby L, Navarra H, Saddington C, Smith V, Verhoeven V, Bratt S, Khan N, Moyes L, Sandhu K, West C, Wadwa R, Alonso G, Forlenza G, Slover R, Towers L, Berget C, Coakley A, Escobar E, Jost E, Lange S, Messer L, Thivener K, Campbell F, Yong J, Metcalfe E, Allen M, Ambler S, Waheed S, Exall J, Tulip J, Buckingham B, Ekhlaspour L, Maahs D, Norlander L, Jacobson T, Twon M, Weir C, Leverenz B, Keller J, Davis N, Kumaran A, Trevelyan N, Dewar H, Price G, Crouch G, Ensom R, Haskell L, Lueddeke L, Mauras N, Benson M, Bird K, Englert K, Permuy J, Ponthieux K, Marrero-Hernandez J, DiMeglio L, Ismail H, Jolivette H, Sanchez J, Woerner S, Kirchner M, Mullen M, Tebbe M, Besser R, Basu S, London R, Makaya T, Ryan F, Megson C, Bowen-Morris J, Haest J, Law R, Stamford I, Ghatak A, Deakin M, Phelan K, Thornborough K, Shakeshaft J, Weinzimer S, Cengiz E, Sherr J, Van Name M, Weyman K, Carria L, Steffen A, Zgorski M, Sibayan J, Beck R, Borgman S, Davis J, Rusnak J, Hellman A, Cheng P, Kanapka L, Kollman C, McCarthy C, Chalasani S, Hood K, Hanes S, Viana J, Lanning M, Fox D, Arreaza-Rubin G, Eggerman T, Green N, Janicek R, Gabrielson D, Belle S, Castle J, Green J, Legault L, Willi S, Wysham C. Cambridge hybrid closed-loop algorithm in children and adolescents with type 1 diabetes: a multicentre 6-month randomised controlled trial. The Lancet Digital Health 2022, 4: e245-e255. PMID: 35272971, DOI: 10.1016/s2589-7500(22)00020-6.Peer-Reviewed Original ResearchConceptsClosed-loop groupInsulin pump therapyType 1 diabetesControl groupBaseline HbAUsual carePump therapyClosed-loop insulin deliverySuboptimal glucose controlPediatric diabetes centersKey inclusion criteriaClosed-loop insulin delivery systemPrimary endpointBlock randomisationDiabetes CenterGlucose controlInsulin delivery systemsInclusion criteriaPrimary analysisTherapyInsulin deliveryMonthsG pumpHbADiabetes
2021
Automated Insulin Delivery
Weinzimer S, Carria L, Van Name M. Automated Insulin Delivery. Contemporary Endocrinology 2021, 75-85. DOI: 10.1007/978-3-030-64133-7_8.ChaptersDiabetes self-management tasksInsulin deliveryHemoglobin A1c levelsT1D Exchange RegistrySelf-management tasksGlycemic targetsA1c levelsDiabetes careContinuous glucose monitoring devicesDiabetes therapyInsulin pumpGlucose monitoring devicesDiabetes technologyRecent dataMost youthMore burdenDiabetes devicesBurdenDeliveryT1DRegistryTherapy
2020
A Randomized Trial of Closed-Loop Control in Children with Type 1 Diabetes
Breton MD, Kanapka LG, Beck RW, Ekhlaspour L, Forlenza GP, Cengiz E, Schoelwer M, Ruedy KJ, Jost E, Carria L, Emory E, Hsu LJ, Oliveri M, Kollman CC, Dokken BB, Weinzimer SA, DeBoer MD, Buckingham BA, Cherñavvsky D, Wadwa RP. A Randomized Trial of Closed-Loop Control in Children with Type 1 Diabetes. New England Journal Of Medicine 2020, 383: 836-845. PMID: 32846062, PMCID: PMC7920146, DOI: 10.1056/nejmoa2004736.Peer-Reviewed Original ResearchConceptsType 1 diabetesSensor-augmented insulin pumpClosed-loop groupGlucose levelsMedian percentageTarget rangeInsulin pumpInsulin deliveryParallel-group trialYears of ageContinuous glucose monitoringDiabetic ketoacidosisPrimary outcomeSevere hypoglycemiaHemoglobin levelsRandomized trialsGlycemic outcomesPercentage of timeChildren 6Control groupType 1DiabetesMean percentageGlucose monitoringTrials1298-P: “I Would Rather Bolus”: Youth and Parents Prefer Manual Bolusing to Carbohydrate Limitations in a Fully Automated Artificial Pancreas (AP) System
COMMISSARIAT P, ROETHKE L, FINNEGAN J, VOLKENING L, MCGILL D, DASSAU E, WEINZIMER S, LAFFEL L. 1298-P: “I Would Rather Bolus”: Youth and Parents Prefer Manual Bolusing to Carbohydrate Limitations in a Fully Automated Artificial Pancreas (AP) System. Diabetes 2020, 69 DOI: 10.2337/db20-1298-p.Peer-Reviewed Original ResearchMeals/snacksDiabetes careHybrid closed-loop insulin delivery systemParents of youthMental burdenClosed-loop insulin delivery systemBoehringer Ingelheim PharmaceuticalsSanofi UST1D durationDiabetes CenterCarbohydrate intakeSpouse/partnerInsulin delivery systemsDietary restrictionJanssen PharmaceuticalsArtificial pancreas systemsYoung adultsInsulin deliverySpeakers bureauCareIntakeCGM usersAge 10National InstituteEli LillyPrecision Dosing of Rapid-Acting Insulin Matters
Aanstoot HJ, Rodriguez H, Weinzimer S, Vint N, Koeneman L. Precision Dosing of Rapid-Acting Insulin Matters. Diabetes Technology & Therapeutics 2020, 22: 346-351. PMID: 32125891, DOI: 10.1089/dia.2019.0374.Peer-Reviewed Original ResearchConceptsGood glycemic controlGlycemic controlHalf-unit insulin pensInsulin pensDiabetes managementInsulin deliveryStringent glycemic controlInadequate glycemic controlType 2 diabetesType 1 diabetesPrecision of dosingDelivery devicesInsulin delivery devicesInsulin therapyGeriatric patientsHypoglycemic eventsPatient preferencesFlexible dosingPhysical activityDosingLiterature searchPrecision dosingDiabetesInsulinCorrective doses
2018
Psychosocial and Human Factors During a Trial of a Hybrid Closed Loop System for Type 1 Diabetes Management
Adams RN, Tanenbaum ML, Hanes SJ, Ambrosino JM, Ly TT, Maahs DM, Naranjo D, Walders-Abramson N, Weinzimer SA, Buckingham BA, Hood KK. Psychosocial and Human Factors During a Trial of a Hybrid Closed Loop System for Type 1 Diabetes Management. Diabetes Technology & Therapeutics 2018, 20: 648-653. PMID: 30239219, DOI: 10.1089/dia.2018.0174.Peer-Reviewed Original ResearchConceptsManagement distressHuman factorsTechnology attitudesGlycemic outcomesType 1 diabetes outcomesHybrid closed-loop systemPsychosocial factorsMultisite clinical trialTrial periodDistressTrial exposureFear of hypoglycemiaDiabetes careOutpatient settingDiabetes outcomesClinical trialsType 1Insulin deliveryTrialsAttitudesOutcomesT-testRegression analysisFurther investigationAdolescents
2017
The dawn of automated insulin delivery: A new clinical framework to conceptualize insulin administration
Messer LH, Forlenza GP, Wadwa RP, Weinzimer SA, Sherr JL, Hood KK, Buckingham BA, Slover RH, Maahs DM. The dawn of automated insulin delivery: A new clinical framework to conceptualize insulin administration. Pediatric Diabetes 2017, 19: 14-17. PMID: 28656656, DOI: 10.1111/pedi.12535.Peer-Reviewed Original ResearchExpectations and Attitudes of Individuals With Type 1 Diabetes After Using a Hybrid Closed Loop System
Iturralde E, Tanenbaum ML, Hanes SJ, Suttiratana SC, Ambrosino JM, Ly TT, Maahs DM, Naranjo D, Walders-Abramson N, Weinzimer SA, Buckingham BA, Hood KK. Expectations and Attitudes of Individuals With Type 1 Diabetes After Using a Hybrid Closed Loop System. The Science Of Diabetes Self-Management And Care 2017, 43: 223-232. PMID: 28340542, PMCID: PMC7162535, DOI: 10.1177/0145721717697244.Peer-Reviewed Original ResearchConceptsType 1 diabetesHybrid closed-loop systemFirst hybrid closed-loop systemLong-term complicationsGlycemic controlClinical trialsUS FoodDrug AdministrationMethods ThirtyDiabetesLife benefitsInsulin deliveryMental burdenT1DArtificial pancreasConclusion UsersAttitudes of individualsFocus groupsPerceived benefitsIndividualsComplicationsPancreasCliniciansAdministrationTrialsGlucose Outcomes with the In-Home Use of a Hybrid Closed-Loop Insulin Delivery System in Adolescents and Adults with Type 1 Diabetes
Garg SK, Weinzimer SA, Tamborlane WV, Buckingham BA, Bode BW, Bailey TS, Brazg RL, Ilany J, Slover RH, Anderson SM, Bergenstal RM, Grosman B, Roy A, Cordero TL, Shin J, Lee SW, Kaufman FR. Glucose Outcomes with the In-Home Use of a Hybrid Closed-Loop Insulin Delivery System in Adolescents and Adults with Type 1 Diabetes. Diabetes Technology & Therapeutics 2017, 19: 155-163. PMID: 28134564, PMCID: PMC5359676, DOI: 10.1089/dia.2016.0421.Peer-Reviewed Original ResearchConceptsHybrid closed-loop insulin delivery systemGlucose valuesDiabetic ketoacidosis eventsMulticenter pivotal trialStudy phaseBlood sample testingType 1 diabetesClosed-loop insulin delivery systemBlood glucose valuesHome useContinuous glucose monitoringSensor glucose valuesHCl therapyKetoacidosis eventsHybrid closed-loop systemPivotal trialsInsulin delivery systemsGlucose outcomesMedtronic MiniMedType 1Glucose monitoringInsulin deliveryAdultsStayAdolescents
2016
Future Drug Treatments for Type 1 Diabetes
Sherr J, Cengiz E, Van Name M, Weinzimer S, Tamborlane W. Future Drug Treatments for Type 1 Diabetes. 2016, 985-999. DOI: 10.1002/9781118924853.ch66.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsInsulin analoguesDiabetes mellitusContinuous subcutaneous insulin infusion pumpType 2 diabetes mellitusType 1 diabetes mellitusInsulin deliveryBasal insulin analoguesNew treatment optionsFuture drug treatmentsAvailable insulin analoguesMore rapid absorptionClosed-loop deliveryDaily diabetes careAvailable insulin preparationsInsulin infusion pumpIntranasal glucagonInsulin therapyGlycemic controlAdjunctive agentsAvailable therapiesInjected medicationsDiabetes careTreatment optionsContinuous glucose monitorDrug treatmentMitigating Meal-Related Glycemic Excursions in an Insulin-Sparing Manner During Closed-Loop Insulin Delivery: The Beneficial Effects of Adjunctive Pramlintide and Liraglutide
Sherr JL, Patel NS, Michaud CI, Palau-Collazo MM, Van Name MA, Tamborlane WV, Cengiz E, Carria LR, Tichy EM, Weinzimer SA. Mitigating Meal-Related Glycemic Excursions in an Insulin-Sparing Manner During Closed-Loop Insulin Delivery: The Beneficial Effects of Adjunctive Pramlintide and Liraglutide. Diabetes Care 2016, 39: 1127-1134. PMID: 27208332, PMCID: PMC4915555, DOI: 10.2337/dc16-0089.Peer-Reviewed Original ResearchConceptsAdjunctive agentsInsulin deliveryTotal daily insulin doseWeight lossDose escalation periodClosed-loop insulin deliveryDaily insulin dosePlasma glucose excursionsLoop insulin deliveryPrandial insulin deliveryContent of mealsConcomitant bluntingLiraglutide therapyDose titrationLiraglutide treatmentDose escalationInsulin doseGlycemic excursionsGlucose excursionsPostprandial hyperglycemiaPostprandial incrementLiraglutidePramlintideBeneficial effectsEscalation period
2013
Reduced Hypoglycemia and Increased Time in Target Using Closed-Loop Insulin Delivery During Nights With or Without Antecedent Afternoon Exercise in Type 1 Diabetes
Sherr JL, Cengiz E, Palerm CC, Clark B, Kurtz N, Roy A, Carria L, Cantwell M, Tamborlane WV, Weinzimer SA. Reduced Hypoglycemia and Increased Time in Target Using Closed-Loop Insulin Delivery During Nights With or Without Antecedent Afternoon Exercise in Type 1 Diabetes. Diabetes Care 2013, 36: 2909-2914. PMID: 23757427, PMCID: PMC3781513, DOI: 10.2337/dc13-0010.Peer-Reviewed Original ResearchConceptsNocturnal hypoglycemiaType 1 diabetesAfternoon exerciseInsulin deliveryAntecedent exerciseTarget blood glucose rangeCL insulin deliveryClosed-loop insulin deliveryLoop insulin deliveryTarget rangeBlood glucose levelsBlood glucose rangeMaximum heart rateCL controlBrisk treadmillReduced hypoglycemiaSedentary dayExercise dayPercentage of timeGlucose levelsHeart rateGlucose valuesType 1Random orderStudy period
2004
Diabetes Mellitus in Children and Adolescents
Weinzimer S, Tamborlane W. Diabetes Mellitus in Children and Adolescents. 2004 DOI: 10.1002/0470862092.d0809.Peer-Reviewed Original ResearchDiabetes mellitusNormal glucose controlRoutine clinical practiceSpecific clinical presentationType 2 diabetesType 1 diabetesQuality of lifeOutpatient managementClinical presentationTreatment algorithmGlucose controlDifferential diagnosisClinical practiceMellitusDiabetesInsulin deliveryPresent unique challengesChildrenArtificial pancreasDiagnosisTreatmentUnique challengesPancreasPrevalenceClinicians