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This trial investigates the effects of continuous glucose monitoring (CGM) and an in-hospital diabetes team on in-hospital glycemic and clinical outcomes in patients with type 2 diabetes compared to standard glucose point-of-care (POC) testing and an in-hospital diabetes team.
In Denmark and worldwide, 15-20 % of hospitalised patients have diabetes mellitus. For most patients, diabetes is not the primary cause of admission. The patients are therefore under the care of non-diabetes specialists. Consequently, diabetes management can be inadequate resulting in hypoglycemia, hyperglycemia, and increased glycemic variability, which might increase patient mortality, morbidity, and length of hospital stay. Despite these challenges, a recent review concludes that in-hospital diabetes management is under-researched. Therefore, new in-hospital diabetes management strategies are greatly needed.
Continuous glucose monitoring (CGM) might accommodate this need by providing 288 glucose readings per day compared to usual glucose point-of-care (POC) testing from finger-prick blood 3-5 times per day during admission. CGM glucose levels can be transmitted from the patient's room to a monitoring screen at the nursing stations. This setup is called telemetric CGM. Outstanding results on glycemic and clinical outcomes in an out-hospital setting exist, however, In-hospital CGM has been associated only with a clinically insignificant reduction of mean daily glucose levels and a small increased detection rate of hypoglycemia of glucose levels <3 mmol/L (<54 mg/dL) compared to POC. Reasons for this might be that an in-hospital diabetes team (i.e., educated diabetes nurses with CGM competencies) is imperative in achieving optimal use of telemetric CGM.
This trial investigates if telemetric CGM and an in-hospital diabetes team improve patients' in-hospital glycemic and clinical outcomes compared to POC glucose testing and an in-hospital diabetes team
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| POC-arm | Active Comparator | Subjects are monitored by point-of-care (POC) glucose testing. Diabetes management is done by usual ward nurses and guided by an in-hospital diabetes team. A blinded CGM is mounted in the POC-arm for outcome analysis. |
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| CGM-arm | Experimental | CGM-arm subjects are monitored by CGM viewed by the in-hospital diabetes team in addition to POC glucose testing performed by usual ward nurses. Diabetes management is done by usual ward nurses by POC glucose testing and guided by an in-hospital diabetes team with acces to CGM data. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dexcom G6 Continuous Glucose Monitoring System (Dexcom Inc., San Diego, USA) | Device | For CGM-arm subjects, glucose data are obtained by the CGM Dexcom G6 which via an iPhone SE 3 transmits data to the in-hospital diabetes team stations to be displayed on an iPad 9 10.2". |
| Measure | Description | Time Frame |
|---|---|---|
| Time in range | Time in range (TIR) is defined as the percentage of time within glucose level of 3.9-10.0 mmol/L (70-180 mg/dL) measured by CGM. | During hospitalization (up to 30 days) |
| Measure | Description | Time Frame |
|---|---|---|
| Time in range per day 3.9-10.0 mmol/L (70-180 mg/dL) | Percentage of time in range assessed each day of inclusion; amount of time (hours and minutes). | During hospitalization (up to 30 days) |
| Time above range (TAR) >10.0 mmol/L (>180 mg/dL) |
| Measure | Description | Time Frame |
|---|---|---|
| Length of hospital stay | The length of hospital stay from inclusion to discharge. | During hospitalization (up to 30 days) |
| Number of In-hospital complications | Any in-hospital related complications occurring at least one day after randomisation (e.g. acute kidney injury, death during hospitalisation, transfer to intensive care unit etc.). |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Peter Lommer Kristensen, MD, PhD | Copenhagen University Hospital - North Zealand, Department of Endocrinology and Nephrology, Denmark | Principal Investigator |
| Katrine Bagge Hansen, MD, PhD | Copenhagen University Hospital - Herlev-Gentofte, Steno Diabetes Center Copenhagen, Denmark | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Copenhagen University Hospital - Herlev-Gentofte (Steno Diabetes Center Copenhagen) | Herlev | 2730 | Denmark | |||
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 11889147 | Background | Umpierrez GE, Isaacs SD, Bazargan N, You X, Thaler LM, Kitabchi AE. Hyperglycemia: an independent marker of in-hospital mortality in patients with undiagnosed diabetes. J Clin Endocrinol Metab. 2002 Mar;87(3):978-82. doi: 10.1210/jcem.87.3.8341. | |
| 34851255 | Background | Kristensen PL, Jessen A, Houe SMM, Banck-Petersen P, Schiotz C, Hansen KB, Svendsen OL, Almdal T, Bjerre-Christensen U. Quality of diabetes treatment in four orthopaedic departments in the Capital Region of Denmark. Dan Med J. 2021 Nov 30;68(12):A05210449. |
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If required by medical journal to which articles are planned to be submitted or by request to corresponding author.
Data will be available at the end of the trial. Anticipation: Year 2025
Supporting information is available by request to corresponding author of the planned articles when the trial is completed.
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| May 19, 2025 | Jun 3, 2025 | 4 |
| ID | Term |
|---|---|
| D003924 | Diabetes Mellitus, Type 2 |
| D006943 | Hyperglycemia |
| D007003 | Hypoglycemia |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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This is an investigator-initiated, two-site, prospective randomised open-label blinded endpoint (PROBE) trial.
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| FreeStyle Precision Pro Glucometer for glucose POC testing | Device | For the POC-arm subjects, glucose assessment is done by standard ward glucometer. |
|
Percentage of time above range; amount of time (hours and minutes).
| During hospitalization (up to 30 days) |
| Time above range (TAR) >13.9 mmol/L (>250 mg/dL) | Percentage of time above range; amount of time (hours and minutes). | During hospitalization (up to 30 days) |
| Time below range (TBR) <3.9 mmol/L (<70 mg/dL) | Percentage of time below range; amount of time (hours and minutes) | During hospitalization (up to 30 days) |
| Time below range (TBR) <3.0 (<54 mg/dL) | Percentage of time below range; amount of time (hours and minutes) | During hospitalization (up to 30 days) |
| Standard deviation (SD) of all CGM glucose levels | mmol/L (mg/dL) | During hospitalization (up to 30 days) |
| Coefficient of variation (CV) | SD divided by mean glucose level | During hospitalization (up to 30 days) |
| Mean glucose levels | mmol/L (mg/dL) | During hospitalization (up to 30 days) |
| Hypoglycemia < 3.9 mmol/L (< 70 mg/dL) | mmol/L (mg/dL), duration ≥15 consecutive min. | During hospitalization (up to 30 days) |
| Hypoglycemia (level 1) 3.0-3.8 mmol/L (54-69 mg/dL) | mmol/L (mg/dL), duration ≥15 consecutive min. | During hospitalization (up to 30 days) |
| Hypoglycemia (level 2) < 3.0 mmol/L (<54 mg/dL) | mmol/L (mg/dL), duration ≥15 consecutive min. | During hospitalization (up to 30 days) |
| Recurrent hypoglycemic events | Number; Reoccurring hypoglycemic events after the first episode of hypoglycemia. | During hospitalization (up to 30 days) |
| During hospitalization (up to 30 days) |
| Number of times insulin is administered | The number of times basal, prandial, and correctional insulin is used in total and correctly used according to clinical investigation plan specifications. | During hospitalization (up to 30 days) |
| Insulin doses | Basal, prandial, and correctional insulin doses in total. | During hospitalization (up to 30 days) |
| Readmissions and mortality | Assesment of 30-day numbers of readmissions and mortality. | 30-day after discharge from hospital |
| Questionnaires | Subject and in-hospital diabetes team user satisfaction levels with in-hospital telemetric CGM are assessed by validated questionnaires. | During hospitalization (up to 30 days) |
| Copenhagen University Hospital - North Zealand |
| Hillerød |
| 3400 |
| Denmark |
| 33783872 | Background | Akiboye F, Sihre HK, Al Mulhem M, Rayman G, Nirantharakumar K, Adderley NJ. Impact of diabetes specialist nurses on inpatient care: A systematic review. Diabet Med. 2021 Sep;38(9):e14573. doi: 10.1111/dme.14573. Epub 2021 May 18. |
| 21550947 | Background | Swanson CM, Potter DJ, Kongable GL, Cook CB. Update on inpatient glycemic control in hospitals in the United States. Endocr Pract. 2011 Nov-Dec;17(6):853-61. doi: 10.4158/EP11042.OR. |
| 24267153 | Background | Thabit H, Hovorka R. Glucose control in non-critically ill inpatients with diabetes: towards closed-loop. Diabetes Obes Metab. 2014 Jun;16(6):500-9. doi: 10.1111/dom.12228. Epub 2013 Nov 24. |
| 35264139 | Background | Olsen MT, Dungu AM, Klarskov CK, Jensen AK, Lindegaard B, Kristensen PL. Glycemic variability assessed by continuous glucose monitoring in hospitalized patients with community-acquired pneumonia. BMC Pulm Med. 2022 Mar 9;22(1):83. doi: 10.1186/s12890-022-01874-7. |
| 16449265 | Background | Baker EH, Janaway CH, Philips BJ, Brennan AL, Baines DL, Wood DM, Jones PW. Hyperglycaemia is associated with poor outcomes in patients admitted to hospital with acute exacerbations of chronic obstructive pulmonary disease. Thorax. 2006 Apr;61(4):284-9. doi: 10.1136/thx.2005.051029. Epub 2006 Jan 31. |
| 36256494 | Background | Dhatariya KK, Umpierrez G. Gaps in our knowledge of managing inpatient dysglycaemia and diabetes in non-critically ill adults: A call for further research. Diabet Med. 2023 Mar;40(3):e14980. doi: 10.1111/dme.14980. Epub 2022 Nov 16. |
| 34524009 | Background | Klarskov CK, Windum NA, Olsen MT, Dungu AM, Jensen AK, Lindegaard B, Pedersen-Bjergaard U, Kristensen PL. Telemetric Continuous Glucose Monitoring During the COVID-19 Pandemic in Isolated Hospitalized Patients in Denmark: A Randomized Controlled Exploratory Trial. Diabetes Technol Ther. 2022 Feb;24(2):102-112. doi: 10.1089/dia.2021.0291. Epub 2022 Jan 4. |
| 35690929 | Background | Seisa MO, Saadi S, Nayfeh T, Muthusamy K, Shah SH, Firwana M, Hasan B, Jawaid T, Abd-Rabu R, Korytkowski MT, Muniyappa R, Antinori-Lent K, Donihi AC, Drincic AT, Luger A, Torres Roldan VD, Urtecho M, Wang Z, Murad MH. A Systematic Review Supporting the Endocrine Society Clinical Practice Guideline for the Management of Hyperglycemia in Adults Hospitalized for Noncritical Illness or Undergoing Elective Surgical Procedures. J Clin Endocrinol Metab. 2022 Jul 14;107(8):2139-2147. doi: 10.1210/clinem/dgac277. |
| 38711112 | Derived | Olsen MT, Klarskov CK, Pedersen-Bjergaard U, Hansen KB, Kristensen PL. Summary of clinical investigation plan for The DIATEC trial: in-hospital diabetes management by a diabetes team and continuous glucose monitoring or point of care glucose testing - a randomised controlled trial. BMC Endocr Disord. 2024 May 6;24(1):60. doi: 10.1186/s12902-024-01595-4. |
| D004700 | Endocrine System Diseases |