2022
Navigating barriers to affording and obtaining insulin and diabetes supplies
Wilcox A, Lipska K, Weinzimer S, Gujral J, Arakaki A, Kerandi L, Nally L. Navigating barriers to affording and obtaining insulin and diabetes supplies. Journal Of Diabetes 2022, 15: 71-75. PMID: 36562281, PMCID: PMC9870729, DOI: 10.1111/1753-0407.13344.Peer-Reviewed Original ResearchAssessing Incorporation of Type 1 Diabetes Into Identity: Validation of the Accepting Diabetes and Personal Treatment (ADAPT) Survey in Teens and Young Adults
Commissariat PV, Volkening LK, Weinzimer SA, Dassau E, Laffel LM. Assessing Incorporation of Type 1 Diabetes Into Identity: Validation of the Accepting Diabetes and Personal Treatment (ADAPT) Survey in Teens and Young Adults. Canadian Journal Of Diabetes 2022, 47: 66-72. PMID: 36184368, PMCID: PMC10096441, DOI: 10.1016/j.jcjd.2022.08.007.Peer-Reviewed Original ResearchConceptsYoung adultsTreatment surveyDiabetes device useLess diabetes distressCross-sectional studyType 1 diabetesQuality of lifeImpact of T1DInternal consistencyLower A1CMale sexDiabetes distressExcellent internal consistencyMedical recordsCGM useDiabetes managementT1DHealth outcomesDiabetesType 1Clinical interventionsPsychosocial outcomesBenefit findingA1CAdults
2021
Lived Experience of Advanced Hybrid Closed-Loop Versus Hybrid Closed-Loop: Patient-Reported Outcomes and Perspectives
Hood KK, Laffel LM, Danne T, Nimri R, Weinzimer S, Sibayan J, Bailey RJ, Schatz D, Bratina N, Bello R, Punel A, Calhoun P, Beck RW, Bergenstal RM, Phillip M. Lived Experience of Advanced Hybrid Closed-Loop Versus Hybrid Closed-Loop: Patient-Reported Outcomes and Perspectives. Diabetes Technology & Therapeutics 2021, 23: 857-861. PMID: 34270328, PMCID: PMC9009590, DOI: 10.1089/dia.2021.0153.Peer-Reviewed Original ResearchYouth and parent preferences for an ideal AP system: It is all about reducing burden
Commissariat PV, Roethke LC, Finnegan JL, Guo Z, Volkening LK, Butler DA, Dassau E, Weinzimer SA, Laffel LM. Youth and parent preferences for an ideal AP system: It is all about reducing burden. Pediatric Diabetes 2021, 22: 1063-1070. PMID: 34324772, PMCID: PMC8530854, DOI: 10.1111/pedi.13252.Peer-Reviewed Original ResearchInnovative 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
Insulin dose optimization using an automated artificial intelligence-based decision support system in youths with type 1 diabetes
Nimri R, Battelino T, Laffel LM, Slover RH, Schatz D, Weinzimer SA, Dovc K, Danne T, Phillip M. Insulin dose optimization using an automated artificial intelligence-based decision support system in youths with type 1 diabetes. Nature Medicine 2020, 26: 1380-1384. PMID: 32908282, DOI: 10.1038/s41591-020-1045-7.Peer-Reviewed Original ResearchConceptsType 1 diabetesInsulin dose adjustmentPhysician armDose adjustmentAcademic diabetes centerInsulin pump settingsPrimary efficacy measureSevere adverse eventsTarget glucose rangeInsulin pump therapyNon-inferiority trialArtificial intelligence-based decision support systemAdverse eventsInsulin titrationDiabetes CenterEfficacy measuresPump therapyPercentage of timePercentage of readingsGlucose levelsSix monthsContinuous glucose monitoring devicesDiabetesInsulin pumpGlucose monitoring devicesEffect 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
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
Expectations 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 period
2009
The 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