- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02306343
Evaluation of the Effects of Heating the Vicinity of the Insulin Delivery Site by the Experimental Device
The study is an open-label, randomized, two-period, one-way crossover study using the Meal Tolerance Test (MTT) protocol or the daily life setting protocol.
The study consists of two parts. Subject may participate in both parts or just in one part.
The first part tests the effect of local heating on the post prandial glucose levels following a bolus at in-patient settings.Type I and type II diabetic patients on basal bolus insulin therapy admitted after overnight fast for a meal tolerance test. Subjects injected 0.2 units/kg and consumed standardized liquid meal. Blood samples for glucose and insulin measurements was taken from a venous line. The study was conducted twice with (test) and without (control) the use of the InsuPad device.
The second part evaluate the safety and efficacy of the device use at daily life settings. Type I and type II diabetic patients enrolled to the study. They will be required to perform at least 3 self monitored blood glucose (SMBG) measurements. Study length is up to 25 months. Up to one month run in period, up to 12 months with the device (test) and up to 12 months without the device (control).The subjects will be asked to record events of hypoglycemia, hyperglycemia and any adverse events related to diabetes or the study.
Study Overview
Detailed Description
The effect of the InsuPad device was studied using the Meal Tolerance Test protocol or the daily life setting protocol. In the Meal Tolerance Test protocol subjects consumed a standardized liquid meal taken immediately after injection of insulin bolus (0.2 units/kg body weight). Each subject went through the same Meal Tolerance Test protocol twice, once with the InsuPad device (test conditions) and again without the InsuPad device (control conditions) in randomized order. The study started after an overnight fast and stabilization period in which the subject glucose level was stabilized between 100-150 mg/dl, using I.V glucose solution/oral glucose or intravenous insulin administration if needed. The patient remained stable (change of glucose level <20mg/dl) without any intervention or infusion 30 min prior to the study. Blood glucose measurements were taken from a peripheral venous at pre-specified time points. Total follow up time was 5 hours post meal. Safety limits of the study were 75 mg/dl as the low limit and 300 mg/dl as the high limit. If the subject's blood glucose level was below 75 mg/dl glucose solution was given orally to increase his blood glucose level. If subjects blood glucose was above 300 mg/dl iv insulin was given to reduce blood glucose level.
In the daily life setting protocol subjects meeting the inclusion exclusion criteria enrolled to the study. Study length was up to 25 months. Up to one month run in period, up to 12 months with the device (test) and up to 12 months without the device (control). Subjects were asked to perform at least 3 blood glucose measurements a day. Subjects were asked to fill logbooks with measured blood glucose levels and insulin doses given during the whole study. Subjects were asked to report any adverse event during the study. The subjects received a tutorial about the device usage and the study procedures. The order of the test and control phases was randomly selected.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Gabriel Bitton, Ph.D.
- Phone Number: +972-52-4800249
- Email: gabby@insuline-medical.com
Study Locations
-
-
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Petach Tikva, Israel, 4900202
- Recruiting
- InsuLine Medical
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Participant age above 18 (including = 18 years)
- BMI above 18kg/m2
- Insulin dependent diabetes using insulin injections
- Diabetic patients with HbA1c values below 12%
- Participant understands the study requirements and the treatment procedures ,willing to comply with all specified follow-up evaluations and provides written Informed Consent before any study-specific tests or procedures are performed
Exclusion Criteria:
- Pregnancy
- Breast feeding women
- Alcohol addiction
- Had Coronary Artery Bypass Graft, are Post Myocardial Infarction or had active Ischemic heart failure in the last 3 months prior to the study date
- Had cardiovascular accident or transient ischemic accident in the last 12 months prior to the study
- Suffer from uncontrolled Hypertension (blood pressure > 165/90)
- Low blood hemoglobin concentration <9 g/dL for female and <12g/dL for male)
- Low Hematocrit concentration <36%; Abnormal kidney and/ or liver function tests. (Creatinine >2 , liver test> 3 times the upper limit of the normal range)
- Psychological incompetence; Any other clinical condition or history, that seems to be relevant to the principle investigator to disqualify the participant
- Subjects with diminished skin integrity
- Subjects with heat sensitivity
- Subjects involved in or planned to participate in other studies that may interfere in data collection.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Test (with the InsuPad device)
In the Meal Tolerance Test protocol - After overnight fast followed by a pre-study stabilization period, the InsuPad device was placed on the abdomen of the subject. The InsuPad device was activated and insulin bolus (0.2 units/kg body weight) was injected right before study start. The injection was given to the subject's abdomen through the injection window of the InsuPad device. Immediately afterwards the subject was asked to drink a standardized liquid meal within 10 minutes. Blood glucose measurements were taken from a peripheral venous line at a pre-determined time points. Total follow up time was 5 hours post meal. In the daily life setting - Up to 12 months with the device (test). Subjects were asked to perform at least 3 blood glucose measurements during the day. |
The InsuPad device is composed of a disposable heating pad and a reusable control unit.
The heating pad is intended for one day use.
The user would attach the InsuPad device to a site where insulin can be injected.
When there is a need for insulin bolus injection the user would inject the insulin to a location designate for that.
The device would start heating the area around the injection site without over heating the insulin.
At the end of the day the subject would remove the device, dispose of the disposable unit and put the reusable unit for recharging.
|
No Intervention: Control (without the InsuPad device)
In the Meal Tolerance Test protocol - After overnight fast followed by a pre-study stabilization period, insulin bolus (0.2 units/kg body weight) was injected to the abdomen right before study start. Immediately afterwards the subject was asked to drink a standardized liquid meal within 10 minutes. Blood glucose measurements were taken from a peripheral venous line at a pre-determined time points. Total follow up time was 5 hours post meal. In the daily life setting - Up to 12 months without the device (control). Subjects were asked to perform at least 3 blood glucose measurements during the day. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Blood glucose level during 120 minutes after meal start
Time Frame: 0-120 minutes
|
The primary efficacy endpoint of the Meal Tolerance Test (MTT) protocol and of the daily life setting protocol was blood glucose excursion during the first 120 minutes after meal.
|
0-120 minutes
|
Count of mild hypoglycemic events (blood glucose<75)
Time Frame: 5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
The primary safety endpoint was assessment of the safety of using the InsuPad device including mild hypoglycemia (blood glucose<75).
|
5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
assessment of skin inflammation
Time Frame: 5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
The primary safety endpoint was assessment of the safety of using the InsuPad device including skin inflammation.
|
5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
Count of hyperglycemia events (blood glucose>300)
Time Frame: 5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
The primary safety endpoint was assessment of the safety of using the InsuPad device including hyperglycemia (blood glucose>300).
|
5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
assessment of skin irritation
Time Frame: 5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
The primary safety endpoint was assessment of the safety of using the InsuPad device including skin irritation.
|
5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
post meal maximal glucose level
Time Frame: 5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
Secondary endpoint included: post meal maximal glucose level during 5 hours post meal.
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5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
area under the curve
Time Frame: 5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
Secondary endpoint included: area under the curve of the postprandial glucose excursion during 5 hours post meal.
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5 hours in the Meal Tolerance Test (MTT) protocol and up to 24 months during the daily life setting protocol
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 08-148
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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