E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Patients with type 1 diabetes mellitus |
Personer med type 1 diabetes mellitus |
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E.1.1.1 | Medical condition in easily understood language |
Metabolic disease in which a person has high blood glucose values due to insufficient insulin production |
Metabolisk sjukdom med för höga blodsocker på grund av avsaknad av insulin produktion. |
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E.1.1.2 | Therapeutic area | Diseases [C] - Hormonal diseases [C19] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 19.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10012608 |
E.1.2 | Term | Diabetes mellitus insulin-dependent |
E.1.2 | System Organ Class | 100000004861 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
1. To compare the increase in plasma glucose after 200µg glucagon given either after exercise or after resting for 45 minutes.
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E.2.2 | Secondary objectives of the trial |
2. To determine whether a subcutaneous glucagon injection just before exercise has a greater impact on hepatic glucose production and thereby is superior to an injection after exercise in preventing hypoglycemia during and two hours after exercise.
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Age 18 - 70 years
- T1D ≥ 2 year
- BMI 20-30 kg/m2
- Insulin pump ≥ 1 year.
- HbA1c < 69 mmol/mol (8.5 %)
- Hypoglycemia awareness (reported by Gold et al.)
- Use of carbohydrate counting and the insulin pump bolus calculator for all meals |
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E.4 | Principal exclusion criteria |
Allergy or intolerance to lactose or GlucaGen® (Novo Nordisk, Bagsværd, DK)
- Impaired renal function (eGFR < 60 ml/min/1.73m2)
- Liver disease with ALAT > 2.5 times the upper limit of the reference interval
- Use of anti-diabetic medicine (other than insulin), per oral corticosteroids or other drugs affecting glucose metabolism during the study period or within 30 days prior to study start
- Known or suspected alcohol or drug abuse
- Other concomitant medical or psychological condition that according to the investigator's assessment makes the patient unsuitable for study participation
- Females who are pregnant, breast-feeding or intend to become pregnant or are not using adequate contraceptive methods
- Inability to understand the patient information and to give informed consent
- Physical or mental incapacity to perform exercise
-People with vigorous intensity aerobic physical activity such as swimming, jogging, aerobics, football, tennis, gym, workout etc, more than 3 hours or more per week.
- Chronic use or unable to stop acetaminophen (paracetamol) use
-Allergy to the patch of CGM sensors
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary endpoint is peak plasma glucose achieved within 2 hours after the 200 μg subcutaneous glucagon injection. In the primary analysis, we will compare the peak plasma glucose after exercise and after resting. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
2 hours after injection of glucagon as mentioned in E.5.1 |
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E.5.2 | Secondary end point(s) |
1) The time-to-peak value after glucagon injection.
2) Duration of the glucagon effect; equal to the time point from glucagon injection to when plasma glucose is below baseline.
3) The glycaemic effect, calculated as the total area under the curve (tAUC) after each glucagon injection.
4) Changes after each glucagon injection (ketone bodies, lactic acid glucagon, and FFA/TG).
5) Differences of continuously glucose monitoring placed at different sites on the patient during exercise compared to plasma glucose monitoring.
6) Number of events of hypoglycemia (plasma glucose ≤3.9 mmol/l) in the three study groups.
7) Number of re-events of hypoglycemia (plasma glucose ≤3.9 mmol/l) 30 minutes after first event in the three study groups.
8) Number of rebound hyperglycemia (plasma glucose ≥10.0 mmol/l).
9) To test the difference in mean absolute relative difference (MARD) during the study visits between the two sensor sites (CGMarm vs. CGMabdomen) with the YSI 2300 STAT PLUS as the reference value.
10) To test the difference in MARD between the two CGM sites (CGMarm vs. CGMabdomen) during the four days after the study day using the daily 8 prespecified plasma glucose measurements by Bayer Contour Link as the reference value.
11) To test the difference in MARD during the hypoglycemia range (≤3.9 mmol/l) of the study visits between the two sensor sites (CGMarm vs. CGMabdomen) with the YSI 2300 STAT PLUS as the reference value.
12) To test the difference in MARD during the euglycemia range (>3.9 mmol/l and < 10.0 mmol/l) of the study visits between the two sensor sites (CGMarm vs. CGMabdomen) with the YSI 2300 STAT PLUS as the reference.
13) To test the difference in MARD during the hyperglycemia range (≥10.0 mmol/l) of the study visits between the two Dexcom G4 sensor sites (CGMarm vs. CGMabdomen) with the YSI 2300 STAT PLUS as the reference value.
14) To test the difference in MARD between the two sensor sites (CGMarm vs. CGMabdomen) from day 1- 7 with the Bayer Contour Link as the reference value.
15) To compare the rate-of change (ROC) accuracy of the two sensors with the actual rate-of-change (ROC) of PG measured by the YSI 2300 STAT PLUS.
16) To determine the Precision Absolute Relative Difference PARD (=CGM readings of one system will be subtracted from CGM readings of the other system, and this difference will be divided by the average of the CGM readings of the abdominal sensors, i.e. CGMabdomen is used as reference):
a. from day 1- 7 with
b. during the study visits
17) To test the difference of the sensors’ sensitivity and specificity to detect a hypoglycemic event. A hypoglycemic period is defined as three consecutive blood glucose values ≤3.9 mmol/l measured with 5 minutes interval on a YSI or one measurements ≤ 3.9 mmol/l by self-monitoring of blood glucose by finger stick measurements.
18) To evaluate the point accuracy of both sensors with the Clarke error grid analysis
19) To evaluate the pressure induced sensor attenuation (PISA) by using a recent fault detection algorithm that can detect non-physiologic anomalous low sensor readings.
20) To fuse the data from the two sensors in order to have one combined processed CGM signal which is more accurate and has less uncertainty than the readings from the individual sensors. We will use novel data fusion techniques to achieve this goal
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Evaluation is performed during the study days and 4 days after. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | Yes |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | No |
E.6.5 | Efficacy | No |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | Yes |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | Yes |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 3 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | |
E.8.9.1 | In the Member State concerned months | 2 |
E.8.9.1 | In the Member State concerned days | |