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Oktavian P, Budi DS, Wibowo IN, Rusuldi RCR, Kusumawardhani AD, Wafa IA, Rahman HR, Pratama NR, Mudjanarko SW. Automated glycemic control with a bionic pancreas for type 1 diabetes mellitus: A systematic review and meta-analysis. Diabetes Metab Syndr 2023; 17:102847. [PMID: 37639999 DOI: 10.1016/j.dsx.2023.102847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 08/17/2023] [Accepted: 08/20/2023] [Indexed: 08/31/2023]
Abstract
BACKGROUND AND AIMS The use of a bionic pancreas with automated insulin delivery systems to prevent complications of diabetes mellitus shows conflicting results. We aimed to comprehensively discuss the potential use of a bionic pancreas in patients with type 1 diabetes (T1D). METHODS A systematic database search was conducted on October 24, 2022, for articles investigating the use of a bionic pancreas in patients with T1D. The hemoglobin A1c (HbA1c) level, mean glucose level, glucose coefficient of variability, time-in-range (TIR), and adverse events were investigated. RESULTS Nine studies were included in this review. The data from these studies suggested that the use of a bionic pancreas could reduce the HbA1c (mean difference [MD] = -0.40% [95% confidence interval {CI} = -0.59 to -0.21], I2 = 0%, p < 0.0001) and mean glucose levels (MD = -21.06 [95% CI = -24.66 to -17.46], I2 = 45%, p < 0.00001) and improve the TIR (MD = 14.41% [95% CI = 10.99 to 17.83], I2 = 60%, p < 0.00001). The most common adverse events reported were nausea and vomiting. CONCLUSIONS The use of a bionic pancreas shows potential in preventing complications of T1D by improving the TIR and decreasing the HbA1c and mean glucose levels. Furthermore, serious adverse events with the use of a bionic pancreas and standard of care show insignificant results, suggesting a good safety profile.
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Affiliation(s)
- Puguh Oktavian
- Faculty of Medicine Universitas Airlangga, Surabaya, Indonesia
| | | | | | | | | | - Ifan Ali Wafa
- Faculty of Medicine Universitas Airlangga, Surabaya, Indonesia
| | | | | | - Sony Wibisono Mudjanarko
- Division of Endocrinology, Metabolism, and Diabetes, Department of Internal Medicine, Dr. Soetomo General Academic Hospital, Faculty of Medicine Universitas Airlangga, Surabaya, Indonesia.
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Abstract
PURPOSE OF REVIEW New treatment strategies are needed for patients with type 1 diabetes (T1D). Closed loop insulin delivery and beta-cell replacement therapy are promising new strategies. This review aims to give an insight in the most relevant literature on this topic and to compare the two radically different treatment modalities. RECENT FINDINGS Multiple clinical studies have been performed with closed loop insulin delivery devices and have shown an improvement in overall glycemic control and time spent in hypoglycemia. Beta-cell transplantation has been shown to normalize or greatly improve glycemic control in T1D, but the donor organ shortage and the necessity to use immunosuppressive agents are major drawbacks. Donor organ shortage may be solved by the utilization of stem cell-derived beta cells, which has shown great promise in animal models and are now tested in clinical studies. Immunosuppression may be avoided by encapsulation. Closed loop insulin delivery devices are promising treatment strategies and are likely to be used in clinical practice in the short term. But this approach will always suffer from delays in glucose measurement and insulin action preventing it from normalizing glycemic control. In the long term, stem cell-derived beta cell transplantation may be able to achieve this, but wide implementation in clinical practice is still far away.
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Affiliation(s)
- Michiel F. Nijhoff
- Department of Medicine, Division of Nephrology and Transplantation, Division of Endocrinology and Metabolism, Leiden University Medical Centre, PO Box 9600, 2300 RC Leiden, the Netherlands
| | - Eelco J. P. de Koning
- Department of Medicine, Division of Nephrology and Transplantation, Division of Endocrinology and Metabolism, Leiden University Medical Centre, PO Box 9600, 2300 RC Leiden, the Netherlands
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Majors CE, Smith CA, Natoli ME, Kundrod KA, Richards-Kortum R. Point-of-care diagnostics to improve maternal and neonatal health in low-resource settings. LAB ON A CHIP 2017; 17:3351-3387. [PMID: 28832061 PMCID: PMC5636680 DOI: 10.1039/c7lc00374a] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Each day, approximately 830 women and 7400 newborns die from complications during pregnancy and childbirth. Improving maternal and neonatal health will require bringing rapid diagnosis and treatment to the point of care in low-resource settings. However, to date there are few diagnostic tools available that can be used at the point of care to detect the leading causes of maternal and neonatal mortality in low-resource settings. Here we review both commercially available diagnostics and technologies that are currently in development to detect the leading causes of maternal and neonatal mortality, highlighting key gaps in development where innovative design could increase access to technology and enable rapid diagnosis at the bedside.
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Affiliation(s)
- Catherine E Majors
- Department of Bioengineering, Rice University, 6100 Main Street, MS-142, Houston, TX 77005, USA.
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Christiansen SC, Fougner AL, Stavdahl Ø, Kölle K, Ellingsen R, Carlsen SM. A Review of the Current Challenges Associated with the Development of an Artificial Pancreas by a Double Subcutaneous Approach. Diabetes Ther 2017; 8:489-506. [PMID: 28503717 PMCID: PMC5446388 DOI: 10.1007/s13300-017-0263-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Indexed: 01/01/2023] Open
Abstract
INTRODUCTION Patients with diabetes type 1 (DM1) struggle daily to achieve good glucose control. The last decade has seen a rush of research groups working towards an artificial pancreas (AP) through the application of a double subcutaneous approach, i.e., subcutaneous (SC) continuous glucose monitoring (CGM) and continuous subcutaneous insulin infusion. Few have focused on the fundamental limitations of this approach, especially regarding outcome measures beyond time in range. METHODS Based on insulin physiology, the limitations of CGM, SC insulin absorption, meal challenge, and physical activity in DM1 patients, we discuss the limitations of the double SC approach. Finally, we discuss safety measures and the achievements reported in some recent AP studies that have utilized the double SC approach. RESULTS Most studies show that a double SC AP increases the time in range compared to a sensor-augmented insulin pump and shortens the time in hypoglycemia. Despite these achievements, the proportion of time spent in hyperglycemia is still roughly 20-40%, and hypoglycemia is still present 1-4% of the time. The main factors limiting further progress are the latency of SC CGM (at least 5-10 min) and the slow pharmacokinetics of SC-delivered fast-acting insulin. The maximum blood insulin level is reached after 45 min and the maximum glucose-lowering effect is observed after 1.5-2 h, while the glucose-lowering effect lasts for at least 5 h. CONCLUSIONS Although using a double SC AP leads to significant improvements in glucose control, the SC approach has severe limitations that hamper further progress towards a robust AP.
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Affiliation(s)
- Sverre Christian Christiansen
- Department of Endocrinology, St Olavs Hospital, Trondheim University Hospital, Trondheim, Norway.
- Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
| | - Anders Lyngvi Fougner
- Department of Engineering Cybernetics, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Central Norway Regional Health Authority, Stjørdal, Norway
| | - Øyvind Stavdahl
- Department of Engineering Cybernetics, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Konstanze Kölle
- Department of Engineering Cybernetics, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Central Norway Regional Health Authority, Stjørdal, Norway
| | - Reinold Ellingsen
- Department of Electronic Systems, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Sven Magnus Carlsen
- Department of Endocrinology, St Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
- Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
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Bettazzi F, Marrazza G, Minunni M, Palchetti I, Scarano S. Biosensors and Related Bioanalytical Tools. PAST, PRESENT AND FUTURE CHALLENGES OF BIOSENSORS AND BIOANALYTICAL TOOLS IN ANALYTICAL CHEMISTRY: A TRIBUTE TO PROFESSOR MARCO MASCINI 2017. [DOI: 10.1016/bs.coac.2017.05.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Krentz AJ, Hompesch M. Glucose: archetypal biomarker in diabetes diagnosis, clinical management and research. Biomark Med 2016; 10:1153-1166. [DOI: 10.2217/bmm-2016-0170] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The clinical utility of diabetes biomarkers can be considered in terms of diagnosis, management and prediction of long-term vascular complications. Glucose satisfies all of these requirements. Thresholds of hyperglycemia diagnostic of diabetes reflect inflections that confer a risk of developing long-term microvascular complications. Degrees of hyperglycemia (impaired fasting glucose, impaired glucose tolerance) that lie below the diagnostic threshold for diabetes identify individuals at risk of progression to diabetes and/or development of atherothrombotic cardiovascular disease. Self-measured glucose levels usefully complement hemoglobin A1c levels to guide daily management decisions. Continuous glucose monitoring provides detailed real-time data that is of value in clinical decision making, assessing response to new diabetes drugs and the development of closed-loop artificial pancreas technology.
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Affiliation(s)
- Andrew J Krentz
- Institute for Translational Medicine, Clore Life Sciences, University of Buckingham, Hunter Street, Buckingham, MK18 1EG, UK
- Profil Institute for Clinical Research, 855 3rd Avenue Suite 4400, Chula Vista, CA 91911, USA
| | - Marcus Hompesch
- Profil Institute for Clinical Research, 855 3rd Avenue Suite 4400, Chula Vista, CA 91911, USA
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Los E, Ulrich J, Guttmann-Bauman I. Technology Use in Transition-Age Patients With Type 1 Diabetes: Reality and Promises. J Diabetes Sci Technol 2016; 10:662-8. [PMID: 26892506 PMCID: PMC5038542 DOI: 10.1177/1932296816632543] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Youth with chronic illnesses have the greatest risk for a decline in their health management during transition-age. Because of this demonstrated and well-known issue, research has focused on how to improve the transition of care process. Despite the increasing number of technological devices on the market and the advances in telemedicine modalities available to patients with type 1 diabetes (T1D), the utilization of technology is still suboptimal among patients of transition-age (ages 13-25). This article reviews the available resources, patterns of use in transition-age youth, and explores opportunities to advance technology use in transitioning patients with T1D from pediatric to adult care.
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Affiliation(s)
- Evan Los
- Oregon Health & Science University, Portland, OR, USA
| | - Jenae Ulrich
- Oregon Health & Science University, Portland, OR, USA
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Battelino T, Liabat S, Veeze HJ, Castañeda J, Arrieta A, Cohen O. Routine use of continuous glucose monitoring in 10 501 people with diabetes mellitus. Diabet Med 2015; 32:1568-74. [PMID: 26042926 PMCID: PMC4744771 DOI: 10.1111/dme.12825] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/01/2015] [Indexed: 01/04/2023]
Abstract
AIMS To analyse blood glucose control according to continuous glucose monitoring use in data from the CareLink database, and to identify factors associated with continuation of sensor use during sensor-augmented pump therapy. METHODS The analysis used data from 10 501 people with Type 1 and 2 diabetes mellitus, of whom 7916 (61.7%) had used glucose sensors for ≥ 15 days during any 6-month period over a 2-year observation period. Data were analysed according to the extent of sensor use ( < 25%, 25-49%, 50-74% and ≥ 75% of the time). Time to discontinuation of sensor use was also analysed in new users of glucose sensors. RESULTS Compared with patients in the lowest sensor usage group and non-users, the highest glucose sensor usage group had significantly (P < 0.0001) lower mean blood glucose and blood glucose sd, were more likely to achieve a mean blood glucose concentration < 8.6 mmol/l, (odds ratio 1.5, 95% CI 1.3-1.7; P < 0.0001), and had 50% fewer hypoglycaemic (blood glucose concentration < 2.8 mmol/l) episodes. Among new users, sensor use during the first month of therapy was an important predictor of subsequent discontinuation. Lack of full reimbursement was also significantly associated with early discontinuation, whereas measures of glycaemic control were predictive of discontinuation during long-term treatment. CONCLUSIONS The use of continuous glucose monitoring was significantly associated with reductions in hypoglycaemia and improved metabolic control during insulin pump therapy. Sensor use during the first month was strongly associated with long-term adherence; patient education and training may be helpful in achieving this.
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MESH Headings
- Blood Glucose/analysis
- Canada
- Cohort Studies
- Diabetes Mellitus, Type 1/blood
- Diabetes Mellitus, Type 1/drug therapy
- Diabetes Mellitus, Type 1/economics
- Diabetes Mellitus, Type 2/blood
- Diabetes Mellitus, Type 2/drug therapy
- Diabetes Mellitus, Type 2/economics
- Drug Resistance
- Europe
- Health Information Exchange
- Humans
- Hyperglycemia/prevention & control
- Hypoglycemia/chemically induced
- Hypoglycemia/prevention & control
- Hypoglycemic Agents/administration & dosage
- Hypoglycemic Agents/adverse effects
- Hypoglycemic Agents/therapeutic use
- Insulin/administration & dosage
- Insulin/adverse effects
- Insulin/therapeutic use
- Insulin Infusion Systems/adverse effects
- Insurance, Health, Reimbursement
- Israel
- Monitoring, Ambulatory/economics
- Patient Compliance
- Practice Patterns, Physicians'
- Time Factors
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Affiliation(s)
- T Battelino
- University Medical Centre Ljubljana, Ljubljana, Slovenia
- Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - S Liabat
- Medtronic International Trading Sàrl, Tolochenaz, Switzerland
| | - H J Veeze
- Diabeter, Centre for Pediatric and Adolescent Diabetes Care and Research, Rotterdam, The Netherlands
| | - J Castañeda
- Medtronic Bakken Research Center, Maastricht, The Netherlands
| | - A Arrieta
- Medtronic Bakken Research Center, Maastricht, The Netherlands
| | - O Cohen
- Chaim Sheba Medical Centre, Ramat Gan, Israel
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Walsh J, Roberts R, Weber D, Faber-Heinemann G, Heinemann L. Insulin Pump and CGM Usage in the United States and Germany: Results of a Real-World Survey With 985 Subjects. J Diabetes Sci Technol 2015; 9:1103-10. [PMID: 26071425 PMCID: PMC4667344 DOI: 10.1177/1932296815588945] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND This survey collected and evaluated user responses about routine tasks and preferences regarding insulin pumps and infusion sets (IIS) with comparison of intercountry differences between the United States (US) and Germany (GER), chosen for their large insulin pump populations. METHODS A total of 985 subjects (534 US, 451 GER; 60% female) with type 1 diabetes on pump therapy anonymously answered 20 pump-related questions. US subjects also answered 11 questions about continuous glucose monitoring (CGM) usage. RESULTS Length of use of insulin cartridges is shorter in US than in GER, mean (SD) 4.3 (5.0) versus 5.3 (3.2) days (P < .001), while the IIS is used longer: 3.3 (1.0) versus 2.7 (1.1) days (P < .001). Lower self-reported HbA1c levels were associated with longer use of insulin cartridges (7.3% for >3 days vs. 7.7% for <3 days; P < .01), and with use of an auto-insertion device (vs. manual IIS insertion) in the US (7.2% vs. 6.9%), but not in GER (7.7% vs. 7.9%). Only 47% of pump wearers stated that they were "very satisfied" with their pump (49% US vs. 45% GER, ns). However, 98% would recommend the pump to others (95% vs. 93%, ns). Analysis of CGM questions showed that 297 (60%) of 496 US responders currently wore one. Of these, 84% said they would recommend CGM to others. CGM wearers who stated they were "very satisfied" with their CGM had lower HbA1c than those who said they were "partly satisfied" (6.9% vs. 7.2%). CONCLUSIONS This survey shows interesting differences in real-world use of insulin pumps in 2 large markets, and suggests areas where insulin pumps and CGMs might be improved.
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Affiliation(s)
- John Walsh
- Advanced Metabolic Care and Research, Escondido, CA, USA
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Electromagnetic Interference From Electronic Devices Used in the Management of Type 1 Diabetes Can Impair the Performance of an Avalanche Transceiver in Search Mode. Wilderness Environ Med 2015; 26:232-5. [DOI: 10.1016/j.wem.2014.12.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2014] [Revised: 11/20/2014] [Accepted: 12/17/2014] [Indexed: 11/24/2022]
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