2023
Personalized Digital Health Information to Substantiate Human-Delivered Exercise Support for Adults With Type 1 Diabetes
Ash G, Nally L, Stults-Kolehmainen M, De Los Santos M, Jeon S, Brandt C, Gulanski B, Spanakis E, Baker J, Weinzimer S, Fucito L. Personalized Digital Health Information to Substantiate Human-Delivered Exercise Support for Adults With Type 1 Diabetes. Clinical Journal Of Sport Medicine 2023, 33: 512-520. PMID: 36715983, PMCID: PMC10898917, DOI: 10.1097/jsm.0000000000001078.Peer-Reviewed Original ResearchConceptsContinuous glucose monitoringExercise supportHealth informationDigital health informationBody mass indexType 1 diabetesCommunity-based sampleSevere hypoglycemiaMass indexPsychosocial assessmentCGM useHigh satisfaction ratingsPhysician oversightType 1Future interventionsGlucose monitoringMedical readinessMolecular biomarkersBaseline observationsInterventionSatisfaction ratingsAdultsExerciseBehavioral skillsSingle group
2022
DKA Prevention and Insulin Pumps: Lessons Learned From a Large Pediatric Pump Practice
Doyle EA, Weinzimer SA, Tamborlane W. DKA Prevention and Insulin Pumps: Lessons Learned From a Large Pediatric Pump Practice. The Science Of Diabetes Self-Management And Care 2022, 48: 476-482. PMID: 36129121, DOI: 10.1177/26350106221125699.Peer-Reviewed Original ResearchConceptsContinuous glucose monitorHigher A1C levelsA1c levelsDKA eventsInsulin pumpPump usersPump-treated patientsRetrospective chart reviewPediatric endocrinology practiceType 1 diabetesInsulin pump usersConcurrent illnessDKA preventionPump patientsDiabetes durationDKA episodesMean A1CChart reviewEndocrinology practiceDKA ratesDKA severityMean ageInsulin omissionMost episodesPatients
2021
Innovative features and functionalities of an artificial pancreas system: What do youth and parents want?
Commissariat PV, Volkening LK, Butler DA, Dassau E, Weinzimer SA, Laffel LM. Innovative features and functionalities of an artificial pancreas system: What do youth and parents want? Diabetic Medicine 2021, 38: e14492. PMID: 33290599, PMCID: PMC9196947, DOI: 10.1111/dme.14492.Peer-Reviewed Original ResearchA comparison of two hybrid closed-loop systems in adolescents and young adults with type 1 diabetes (FLAIR): a multicentre, randomised, crossover trial
Bergenstal RM, Nimri R, Beck RW, Criego A, Laffel L, Schatz D, Battelino T, Danne T, Weinzimer SA, Sibayan J, Johnson ML, Bailey RJ, Calhoun P, Carlson A, Isganaitis E, Bello R, Albanese-O'Neill A, Dovc K, Biester T, Weyman K, Hood K, Phillip M, Group F. A comparison of two hybrid closed-loop systems in adolescents and young adults with type 1 diabetes (FLAIR): a multicentre, randomised, crossover trial. The Lancet 2021, 397: 208-219. PMID: 33453783, PMCID: PMC9194961, DOI: 10.1016/s0140-6736(20)32514-9.Peer-Reviewed Original ResearchConceptsAdvanced hybrid closed-loop systemType 1 diabetesHybrid closed-loop systemMiniMed 670G systemGlucose levelsCrossover trialYoung adultsMultiple daily insulin injectionsSevere hypoglycaemic eventsDaily insulin injectionsComputer-generated sequencePermuted block designContinuous glucose monitoringBaseline HbACoprimary outcomesEndocrinology practiceHypoglycaemic eventsWashout periodHemoglobin levelsKidney diseaseMean ageInsulin injectionsProportion of timeContinuous glucose monitorImpaired awareness
2020
Effect of Afrezza on Glucose Dynamics During HCL Treatment
Galderisi A, Cohen N, Calhoun P, Kraemer K, Breton M, Weinzimer S, Cengiz E. Effect of Afrezza on Glucose Dynamics During HCL Treatment. Diabetes Care 2020, 43: 2146-2152. PMID: 32661108, PMCID: PMC7440894, DOI: 10.2337/dc20-0091.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, InhalationAdolescentAdultBlood GlucoseBlood Glucose Self-MonitoringCross-Over StudiesDiabetes Mellitus, Type 1Dose-Response Relationship, DrugEquipment and SuppliesFemaleGlycemic ControlHumansHypoglycemic AgentsInsulin Infusion SystemsInsulin, Regular, HumanMaleMealsPostprandial PeriodYoung AdultConceptsControl armPremeal bolusesPostprandial plasma glucose levelsPostprandial blood glucose controlPrimary efficacy outcomeRapid-acting insulinBlood glucose controlPlasma glucose levelsType 1 diabetesLater time pointsSequential mealsEfficacy outcomesPPG levelsSecondary outcomesGlycemic excursionsMeal studyGlucose controlSubcutaneous routeInsulin delivery systemsGlucose levelsGlucose metricsHigh doseStudy daysInsulin absorptionInsulin bolus
2019
Sotagliflozin Added to Optimized Insulin Therapy Leads to Lower Rates of Clinically Relevant Hypoglycemic Events at Any HbA1c at 52 Weeks in Adults with Type 1 Diabetes
Danne T, Pettus J, Giaccari A, Cariou B, Rodbard H, Weinzimer S, Bonnemaire M, Sawhney S, Stewart J, Wang S, de Cassia Castro R, Garg S. Sotagliflozin Added to Optimized Insulin Therapy Leads to Lower Rates of Clinically Relevant Hypoglycemic Events at Any HbA1c at 52 Weeks in Adults with Type 1 Diabetes. Diabetes Technology & Therapeutics 2019, 21: 471-477. PMID: 31335194, PMCID: PMC6708262, DOI: 10.1089/dia.2019.0157.Peer-Reviewed Original ResearchConceptsSotagliflozin 200Insulin therapyHypoglycemia eventsRate of hypoglycemiaType 1 diabetesLevel 2 hypoglycemiaLower ratesImportant hypoglycemiaHypoglycemia ratesWeek 52Adult patientsGlycemic controlHypoglycemic eventsHypoglycemic rateClinical trialsInsulin treatmentPlaceboSotagliflozinHypoglycemiaType 1Phase 3PatientsTherapyWeeksAdults
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 investigationAdolescentsPredictive Low-Glucose Suspend Reduces Hypoglycemia in Adults, Adolescents, and Children With Type 1 Diabetes in an At-Home Randomized Crossover Study: Results of the PROLOG Trial
Forlenza GP, Li Z, Buckingham BA, Pinsker JE, Cengiz E, Wadwa RP, Ekhlaspour L, Church MM, Weinzimer SA, Jost E, Marcal T, Andre C, Carria L, Swanson V, Lum JW, Kollman C, Woodall W, Beck RW. Predictive Low-Glucose Suspend Reduces Hypoglycemia in Adults, Adolescents, and Children With Type 1 Diabetes in an At-Home Randomized Crossover Study: Results of the PROLOG Trial. Diabetes Care 2018, 41: dc180771. PMID: 30089663, DOI: 10.2337/dc18-0771.Peer-Reviewed Original ResearchConceptsType 1 diabetesSAP armPredictive low glucose suspendSensor-augmented pump therapyNew insulin delivery systemsRandomized Crossover StudySevere hypoglycemic eventsGlucose concentrationMin/dayMean glucose concentrationLow glucose suspendBasal-IQRebound hyperglycemiaSlim X2Glycemic controlPrimary outcomeCrossover studyMedian timeCrossover trialHypoglycemic eventsPump therapyInsulin delivery systemsPercentage of timeHypoglycemiaDiabetesOptimizing Hybrid Closed-Loop Therapy in Adolescents and Emerging Adults Using the MiniMed 670G System
Messer LH, Forlenza GP, Sherr JL, Wadwa RP, Buckingham BA, Weinzimer SA, Maahs DM, Slover RH. Optimizing Hybrid Closed-Loop Therapy in Adolescents and Emerging Adults Using the MiniMed 670G System. Diabetes Care 2018, 41: dc171682. PMID: 29444895, PMCID: PMC6463622, DOI: 10.2337/dc17-1682.Peer-Reviewed Original ResearchConceptsMiniMed 670G systemHybrid closed-loop therapyTotal daily insulin doseYoung adult participantsDaily insulin doseType 1 diabetesOptimal clinical useAdult participantsClosed-loop therapyHybrid closed-loop systemPivotal trialsYounger patientsInsulin doseInsulin ratioClinical guidancePercentage of timeHCL useClinical sitesClinical useMonthsStudy phaseTrialsUse ratesParticipantsDelivery patterns
2017
Trust in hybrid closed loop among people with diabetes: Perspectives of experienced system users
Tanenbaum ML, Iturralde E, Hanes SJ, Suttiratana SC, Ambrosino JM, Ly TT, Maahs DM, Naranjo D, Walders-Abramson N, Weinzimer SA, Buckingham BA, Hood KK. Trust in hybrid closed loop among people with diabetes: Perspectives of experienced system users. Journal Of Health Psychology 2017, 25: 429-438. PMID: 28810490, PMCID: PMC7162558, DOI: 10.1177/1359105317718615.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
Automated hybrid closed‐loop control with a proportional‐integral‐derivative based system in adolescents and adults with type 1 diabetes: individualizing settings for optimal performance
Ly TT, Weinzimer SA, Maahs DM, Sherr JL, Roy A, Grosman B, Cantwell M, Kurtz N, Carria L, Messer L, von Eyben R, Buckingham BA. Automated hybrid closed‐loop control with a proportional‐integral‐derivative based system in adolescents and adults with type 1 diabetes: individualizing settings for optimal performance. Pediatric Diabetes 2016, 18: 348-355. PMID: 27191182, DOI: 10.1111/pedi.12399.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAdolescentAdolescent BehaviorAdultAlgorithmsBlood GlucoseBlood Glucose Self-MonitoringCalibrationCohort StudiesDiabetes Mellitus, Type 1Drug Dosage CalculationsDrug MonitoringGlucoseHumansHyperglycemiaHypoglycemiaHypoglycemic AgentsInsulinPancreas, ArtificialPrecision MedicineSubcutaneous TissueYoung AdultConceptsType 1 diabetesAdolescent cohortAdult cohortHybrid closed-loop systemPump therapyPercentage of timeGlucose valuesSensor-augmented pump therapyOverall glucose controlInsulin pump therapyOverall mean percentageDose insulinGlucose controlPreliminary safetyInsulin delivery systemsInitial cohortHybrid closed-loop controlClinical practiceSecond cohortCohortMean percentageTarget rangeOverall percentageDiabetesAdultsMitigating 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 periodThe Effects of Inpatient Hybrid Closed-Loop Therapy Initiated Within 1 Week of Type 1 Diabetes DiagnosisDiabetes Research in Children Network (DirecNet) and Type 1 Diabetes TrialNet Study Groups*
Buckingham B, Beck R, Ruedy K, Cheng P, Kollman C, Weinzimer S, DiMeglio L, Bremer A, Slover R, Cantwell M. The Effects of Inpatient Hybrid Closed-Loop Therapy Initiated Within 1 Week of Type 1 Diabetes DiagnosisDiabetes Research in Children Network (DirecNet) and Type 1 Diabetes TrialNet Study Groups*. Diabetes Technology & Therapeutics 2013, 15: 401-408. PMID: 23570538, PMCID: PMC3643224, DOI: 10.1089/dia.2013.0002.Peer-Reviewed Original ResearchConceptsType 1 diabetesMean glucose concentrationHybrid closed-loop controlMedian percentageHybrid closed-loop therapyType 1Sensor-augmented pump therapyPositive pancreatic autoantibodiesTrialNet Study GroupDays of diagnosisNormal glycemic controlΒ-cell functionGlucose concentrationClosed-loop therapyPancreatic autoantibodiesGlycemic controlSAP therapyPump therapyStudy groupGlucose levelsGlucose toxicityDay 2Day 3Glucose valuesTherapy
2009
Sustained Benefit of Continuous Glucose Monitoring on A1C, Glucose Profiles, and Hypoglycemia in Adults With Type 1 Diabetes
Bode B, Beck R, Xing D, Gilliam L, Hirsch I, Kollman C, Laffel L, Ruedy K, Tamborlane W, Weinzimer S, Wolpert H. Sustained Benefit of Continuous Glucose Monitoring on A1C, Glucose Profiles, and Hypoglycemia in Adults With Type 1 Diabetes. Diabetes Care 2009, 32: 2047-2049. PMID: 19675193, PMCID: PMC2768224, DOI: 10.2337/dc09-0846.Peer-Reviewed Original ResearchThe Effect of Continuous Glucose Monitoring in Well-Controlled Type 1 Diabetes
Beck R, Hirsch I, Laffel L, Tamborlane W, Bode B, Buckingham B, Chase P, Clemons R, Fiallo-Scharer R, Fox L, Gilliam L, Huang E, Kollman C, Kowalski A, Lawrence J, Lee J, Mauras N, O'Grady M, Ruedy K, Tansey M, Tsalikian E, Weinzimer S, Wilson D, Wolpert H, Wysocki T, Xing D. The Effect of Continuous Glucose Monitoring in Well-Controlled Type 1 Diabetes. Diabetes Care 2009, 32: 1378-1383. PMID: 19429875, PMCID: PMC2713649, DOI: 10.2337/dc09-0108.Peer-Reviewed Original ResearchConceptsType 1 diabetesContinuous glucose monitoringSevere hypoglycemic eventsCGM groupControl groupHypoglycemic eventsGlucose monitoringGlucose levelsSignificant treatment group differencesMain study outcomeManagement of adultsTreatment group differencesMin/dayStandard glucose monitoringMean A1CA1c levelsMedian timeOutcome measuresA1CBiochemical hypoglycemiaMost outcomesType 1Hypoglycemia dataStudy outcomesDiabetes
2008
Continuous Glucose Monitoring and Intensive Treatment of Type 1 Diabetes
Tamborlane W, Beck R, Bode B, Buckingham B, Chase H, Clemons R, Fiallo-Scharer R, Fox L, Gilliam L, Hirsch I, Huang E, Kollman C, Kowalski A, Laffel L, Lawrence J, Lee J, Mauras N, O'Grady M, Ruedy K, Tansey M, Tsalikian E, Weinzimer S, Wilson D, Wolpert H, Wysocki T, Xing D. Continuous Glucose Monitoring and Intensive Treatment of Type 1 Diabetes. New England Journal Of Medicine 2008, 359: 1464-1476. PMID: 18779236, DOI: 10.1056/nejmoa0805017.Peer-Reviewed Original ResearchConceptsYears of ageContinuous glucose monitoringContinuous monitoring groupPatients 25 yearsGlycated hemoglobin levelsType 1 diabetesHemoglobin levelsGlucose monitoringStudy groupControl groupType 1 diabetes mellitusMulticenter clinical trialBetween-group differencesHemoglobin outcomesYounger patientsDiabetes mellitusGlycemic controlIntensive therapyPrimary outcomeSevere hypoglycemiaClinical trialsIntensive treatmentAge groupsBlood glucose metersType 1Fully Automated Closed-Loop Insulin Delivery Versus Semiautomated Hybrid Control in Pediatric Patients With Type 1 Diabetes Using an Artificial Pancreas
Weinzimer SA, Steil GM, Swan KL, Dziura J, Kurtz N, Tamborlane WV. Fully Automated Closed-Loop Insulin Delivery Versus Semiautomated Hybrid Control in Pediatric Patients With Type 1 Diabetes Using an Artificial Pancreas. Diabetes Care 2008, 31: 934-939. PMID: 18252903, DOI: 10.2337/dc07-1967.Peer-Reviewed Original ResearchConceptsType 1 diabetesGlucose levelsHCl groupFCL groupInsulin pumpBeta cell replacement therapyPostprandial glycemic excursionsPostprandial glucose excursionsPostprandial glucose levelsClosed-loop glucose controlArtificial pancreasClosed-loop artificial pancreasPediatric patientsPostprandial excursionsBolus dosesGlycemic excursionsReplacement therapySubcutaneous routeGlucose controlGlucose excursionsInsulin delivery systemsHybrid closed-loop controlInsulin absorptionType 1Dl