Cited by 147Diabetes Management and ResearchDiabetes Management and EducationDiabetes and associated disorders

Real-World Patient-Reported Outcomes and Glycemic Results with Initiation of Control-IQ Technology

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Pinsker, Jordan E., Müller, Lars, Constantin, Alexandra, Leas, Scott, Manning, Michelle, McElwee Malloy, Molly, Singh, Harsimran, Habif, Steph·2021·Diabetes Technology & Therapeutics

Abstract

Background: The t:slim X2™ insulin pump with Control-IQ™ technology, an advanced hybrid closed-loop system, became available in the United States in early 2020. Real-world outcomes with use of this system have not yet been comprehensively reported. Methods: Individuals with type 1 diabetes (T1D) (≥14 years of age) who had ≥21 days of pump usage data were invited via email to participate. Participants completed psychosocial questionnaires (Technology Acceptance Scale [TAS], well-being index [WHO-5], and Diabetes Impact and Devices Satisfaction [DIDS] scale) at timepoint 1 (T1) (at least 3 weeks after starting Control-IQ technology) and the DIDS and WHO-5 at timepoint 2 (T2) (4 weeks from T1). Patient-reported outcomes (PROs) and glycemic outcomes were reviewed at each timepoint. Results: Overall, 9,085 potentially eligible individuals received the study invite. Of these, 3,116 consented and subsequently 1,435 participants completed questionnaires at both T1 and T2 and had corresponding glycemic data available on the t:connect ® web application. Time in range was 78.2% (70.2%–85.1%) at T1 and 79.2% (70.3%–86.2%) at T2. PROs reflected high device-related satisfaction and reduced diabetes impact at T2. Factors contributing to high trust in the system included sensor accuracy, improved diabetes control, reduction in extreme blood glucose levels, and improved sleep quality. In addition, participants reported improved quality of life, ease of use, and efficient connectivity to the continuous glucose monitoring system as being valuable features of the system. Conclusions: Continued real-world use of the t:slim X2 pump with Control-IQ technology showed improvements in psychosocial outcomes and persistent achievement of recommended TIR glycemic outcomes in people with T1D.

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  1. [26]O'Malley G, Henderson R, Levy C, et al.: Clinical management of a closed-loop control (CLC) System: results from a 6-month multicenter randomized clinical trial (RCT). J Diabetes Sci Technol 2020; 14: A78 PMC8114941 33155824
  2. [27]Isganaitis E, Raghinaru D, Ambler-Osborn L, et al.: Closed-loop control (CLC) in teens and young adults improves glycemic control: results from a 6-month multicenter randomized clinical trial (RCT). Pediatr Diabetes 2019; 20: 23231663191

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Authors
Pinsker, J. E., Müller, L., Constantin, A., Leas, S., Manning, M., McElwee Malloy, M., Singh, H., & Habif, S.
Affiliations
  • Sansum Diabetes Research Institute (US)
  • University of California San Diego (US)
  • Tandem Diabetes Care (United States) (US)
  • Tandem Diabetes Care, Behavioral Sciences, San Diego, California, USA.
Corresponding author
Pinsker, Jordan E.
Venue
Diabetes Technology & Therapeutics
Published
2021-01-28
Volume
23
Issue
2
Pages
120-127
ISSN
  • 1520-9156 (ISSN-L)
  • 1557-8593
OpenAlex
W3080495660
Cited by
147
References
28
Citations by year
2026: 13 · 2025: 19 · 2024: 26 · 2023: 29 · 2022: 31 · 2021: 28
FWCI
16.59
Type
journal article
Language
en
Open access
Locations
  • Diabetes Technology & Therapeutics (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Education
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
Keywords
type 1 diabetes, Control-IQ, hybrid closed-loop system, insulin pump therapy, time in range, glycemic outcomes, patient-reported outcomes, device satisfaction, technology acceptance, sleep quality, continuous glucose monitoring, psychosocial well-being
MeSH terms
Patient Reported Outcome Measures, Adolescent, Adult, Blood Glucose, Diabetes Mellitus, Type 1, Female, Humans, Hypoglycemic Agents, Insulin, Insulin Infusion Systems, Male, Middle Aged, Quality of Life, Technology, United States, Blood Glucose Self-Monitoring, Young Adult

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