Healthcare Utilization, Costs, and Adverse Events of Real-Time Continuous Glucose Monitoring (rtCGM) versus Traditional Blood Glucose Monitoring (BG) among US Adults with Type 1 Diabetes

2021 ◽  
pp. 193229682110315
Author(s):  
Benjamin Wong ◽  
Yalin Deng ◽  
Karen L. Rascati

Objective: To compare healthcare utilization, costs, and incidence of diabetes-specific adverse events (ie, hyperglycemia, diabetic ketoacidosis, and hypoglycemia) in type 1 diabetes adult patients using real-time continuous glucose monitoring (rtCGM) versus traditional blood glucose monitoring (BG). Methods: Adult patients (≥18 years old) with type 1 diabetes in a large national administrative claims database between 2013 and 2015 were identified. rtCGM patients with 6-month continuous health plan enrollment and ≥1 pharmacy claim for insulin during pre-index and post-index periods were propensity-score matched with BG patients. Healthcare utilization associated with diabetic adverse events were examined. A difference-in-difference (DID) method was used to compare the change in costs between rtCGM and BG cohorts. Results: Six-month medical costs for rtCGM patients ( N = 153) increased from pre- to post-index period, while they decreased for matched BG patients ( N = 153). DID analysis indicated a $2,807 ( P = .062) higher post-index difference in total medical costs for rtCGM patients. Pharmacy costs for both cohorts increased. DID analysis indicated a $1,775 ( P < .001) higher post-index difference in pharmacy costs for rtCGM patients. The incidence of hyperglycemia for both cohorts increased minimally from pre- to post-index period. The incidence of hypoglycemia for rtCGM patients decreased, while it increased marginally for BG patients. Inpatient hospitalizations for rtCGM and BG patients increased and decreased marginally, respectively. Conclusions: rtCGM users had non-significantly higher pre-post differences in medical costs but significantly higher pre-post differences in pharmacy costs (mostly due to the rtCGM costs themselves) compared to BG users. Changes in adverse events were minimal.

2020 ◽  
Author(s):  
Linda A. DiMeglio ◽  
Lauren G. Kanapka ◽  
Daniel J. DeSalvo ◽  
Marisa E. Hilliard ◽  
Lori M. Laffel ◽  
...  

<b>Objective: </b>This study evaluated the effects of continuous glucose monitoring (CGM) combined with family behavioral intervention (CGM+FBI) and CGM alone (Standard-CGM) on glycemic outcomes and parental quality of life compared with blood glucose monitoring (BGM) in children ages 2 to <8 years with type 1 diabetes <p><b>Research Design and Methods: </b>A multicenter (N=14), 6-month, randomized controlled trial including 143 youth 2 to <8 years of age with type 1 diabetes. Primary analysis included treatment group comparisons of percent time in range (TIR, 70-180 mg/dL) across follow-up visits.</p> <p><b>Results: </b>About 90% of participants in the CGM groups used CGM ≥ 6 days/week at 6-months. Between-group TIR comparisons showed no significant changes: CGM+FBI vs BGM = 3.2% [95% CI -0.5%, 7.0%], Standard-CGM vs BGM = 0.5% [-2.6% to 3.6%], CGM+FBI vs Standard-CGM = 2.7% [-0.6%, 6.1%]. Mean time <70 mg/dL was reduced from baseline to follow-up in the CGM+FBI (from 5.2% to 2.6%) and Standard-CGM (5.8% to 2.5%) groups , compared with 5.4% to 5.8% with BGM (CGM+FBI vs. BGM, p<0.001, Standard-CGM vs BGM p<0.001). No severe hypoglycemic events occurred in the CGM+FBI group, 1 in the Standard-CGM, and 5 in the BGM. CGM+FBI parents reported greater reductions in diabetes burden and fear of hypoglycemia compared with Standard-CGM (p=0.008 and 0.04) and BGM (p=0.02 and 0.002). </p> <b>Conclusions: </b>CGM used consistently over a 6-month period in young children with type 1 diabetes did not improve TIR but did significantly reduce time in hypoglycemia. The FBI benefited parental well-being.


Diabetes Care ◽  
2017 ◽  
Vol 40 (4) ◽  
pp. 538-545 ◽  
Author(s):  
Grazia Aleppo ◽  
Katrina J. Ruedy ◽  
Tonya D. Riddlesworth ◽  
Davida F. Kruger ◽  
Anne L. Peters ◽  
...  

2020 ◽  
Author(s):  
Linda A. DiMeglio ◽  
Lauren G. Kanapka ◽  
Daniel J. DeSalvo ◽  
Marisa E. Hilliard ◽  
Lori M. Laffel ◽  
...  

<b>Objective: </b>This study evaluated the effects of continuous glucose monitoring (CGM) combined with family behavioral intervention (CGM+FBI) and CGM alone (Standard-CGM) on glycemic outcomes and parental quality of life compared with blood glucose monitoring (BGM) in children ages 2 to <8 years with type 1 diabetes <p><b>Research Design and Methods: </b>A multicenter (N=14), 6-month, randomized controlled trial including 143 youth 2 to <8 years of age with type 1 diabetes. Primary analysis included treatment group comparisons of percent time in range (TIR, 70-180 mg/dL) across follow-up visits.</p> <p><b>Results: </b>About 90% of participants in the CGM groups used CGM ≥ 6 days/week at 6-months. Between-group TIR comparisons showed no significant changes: CGM+FBI vs BGM = 3.2% [95% CI -0.5%, 7.0%], Standard-CGM vs BGM = 0.5% [-2.6% to 3.6%], CGM+FBI vs Standard-CGM = 2.7% [-0.6%, 6.1%]. Mean time <70 mg/dL was reduced from baseline to follow-up in the CGM+FBI (from 5.2% to 2.6%) and Standard-CGM (5.8% to 2.5%) groups , compared with 5.4% to 5.8% with BGM (CGM+FBI vs. BGM, p<0.001, Standard-CGM vs BGM p<0.001). No severe hypoglycemic events occurred in the CGM+FBI group, 1 in the Standard-CGM, and 5 in the BGM. CGM+FBI parents reported greater reductions in diabetes burden and fear of hypoglycemia compared with Standard-CGM (p=0.008 and 0.04) and BGM (p=0.02 and 0.002). </p> <b>Conclusions: </b>CGM used consistently over a 6-month period in young children with type 1 diabetes did not improve TIR but did significantly reduce time in hypoglycemia. The FBI benefited parental well-being.


2014 ◽  
Vol 60 (2) ◽  
pp. 24-30 ◽  
Author(s):  
D N Laptev

The primary objective of the present study was to analyse the advantages of insulin pump therapy and real time glucose monitoring systems as the tools for reducing the frequency of hypoglycemic episodes. The study included 190 children and adolescents at the age varying from 1 to 18 years suffering from type 1 diabetes mellitus. All the patients were hospitalized at the Endocrinological Research Centre for the treatment the disease using different modalities of insulin therapy, such as multiple injections of insulin (MII) and its continuous subcutaneous infusion (CSII). The blood glucose level was monitored during 72 hours making use of the continuous blind and real time monitoring protocols (blind-CGM and RT-CGM respectively). All the patients were divided into 4 groups depending on the therapeutic modality and the mode of blood glucose monitoring. Group 1 was comprised of the patients given multiple insulin injections in combination with blind glucose monitoring ("blind-CGM + MII"), group 2 included the patients undergoing blind glucose monitoring in conjunction with continuous insulin infusion ("blind-CGM + CSII"), group 3 contained the patients treated by multiple insulin injections followed by real-time blood glucose monitoring ("RT-CGM + MII"), and group 4 was composed of the patients undergoing continuous subcutaneous infusion of insulin combined with real-time blood glucose monitoring ("RT-CGM + CSII"). In all the cases, the blood glucose levels were measured and the occurrence of hypoglycemia during the period of monitoring time was evaluated. It was shown that the highest frequency of hypoglycemia during 72 hours was recorded in the "blind-CGM" group and the lowest one in the RT-CGM groups. Despite adequate self-control, almost half of the patients in the "blind-CGM + MII" group reported at least one hypoglycemic episode either at the daytime or at night ; the duration of such episode was more than 1 hour on the average. In the "blind-CGM" group, CSII resulted in the decrease of the number of hypoglycemic episodes both at night and daytime (p<0.05). In the "RT-CGM + CSII" group, continuous insulin infusion reduced the mean duration of nocturnal hypoglycemic episodes (p<0.05) whereas this parameter was not significantly different between the other groups. It is concluded that hypoglycemia especially nocturnal one is rather a common problem facing children and adolescents suffering from type 1 diabetes mellitus. The use of insulin pump therapy and real time glucose monitoring systems (RT-CGM) makes it possible to substantially decrease the frequency and duration of hypoglycemic episodes in this population group.


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