Effect of Needle-free Jet Injection of Insulin on Glucose Control and Injection Feelings in Type 1 Diabetic Patients
Summary
People with type 1 diabetes need long-term insulin injections. However, needles may cause discomfort or provoke anxiety if the patient has needle phobia, factors that contribute to poor compliance with insulin, especially in younger patients. Use of needle-free technology has been proposed as a strategy to mitigate these problems. There have been few studies on the efficacy of needle-free syringes for patients with type 1 diabetes. To determine the efficacy of needle-free injection of insulin in its patient population, people with type 1 diabetes, we conduct a pilot study to assess glycemic control and injection experience of patients. For the comparator device, we used an insulin pen. The primary objective is to explore whether needle-free syringes are more beneficial to control blood glucose than insulin pens of type 1 diabetes, which the blood sugar fluctuates significantly. The secondary objective is to evaluate the experience and safety of insulin administration by the needle-free injection.
Description
This is a single-center, prospective, 1:1 parallel-group, randomized controlled trial. The intervention will last for 12 weeks. The laboratory staff who tests the HbA1c level, the outcome assessor who collects the blood glucose data and injection experience include the measurement of perceived pain, skin condition at the injection site, and device preference in participants, and the statisticians will be blinded to the treatment allocation.
After informed consent is obtained, the participants can attend an initial study visit to determine eligibility for the trial. We propose to enroll 60 patients with type 1 diabetes (T1DM), participants are randomized into two groups, 30 in the needle-free jet injection group and 30 in the pen injection group. Sample size estimation is based on hypothesized changes in the primary outcome pre-prandial glucose in the morning. Participants are randomized using a computer-generated list.
In order to ensure high quality data, two staff are responsible for the input of original data into the database to check and confirm the accuracy. When the data entered by two people are inconsistent, the auxiliary staff decides which data to use.
Data analysis will be conducted under the intention-to-treat principle by including all the randomized patients in the data analysis. Missing data will be filled in with multiple imputation method. Any substantial difference in baseline characteristics will be adjusted with mixed-model regression analysis. Sensitivity analysis will be conducted by using per-protocol data by excluding those patients who drop out of the RCT.
Study Design
Conditions
Type 1 Diabetes
Intervention
Jet Injector without A Needle
Status
Not yet recruiting
Source
Second Xiangya Hospital of Central South University
Results (where available)
Links
- Source: http://clinicaltrials.gov/show/NCT04094740
- ClinicalTrials.gov processed this data on September 23, 2019
Published on BioPortfolio: 2019-09-24T05:27:32-0400
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Medical and Biotech [MESH] Definitions
Prediabetic State
The time period before the development of symptomatic diabetes. For example, certain risk factors can be observed in subjects who subsequently develop INSULIN RESISTANCE as in type 2 diabetes (DIABETES MELLITUS, TYPE 2).
Diabetes Mellitus, Type 2
A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.
Needle Sharing
Usage of a single needle among two or more people for injecting drugs. Needle sharing is a high-risk behavior for contracting infectious disease.
Microscopy, Scanning Tunneling
A type of scanning probe microscopy in which a very sharp conducting needle is swept just a few angstroms above the surface of a sample. The tiny tunneling current that flows between the sample and the needle tip is measured, and from this are produced three-dimensional topographs. Due to the poor electron conductivity of most biological samples, thin metal coatings are deposited on the sample.
Hyperlipoproteinemia Type V
A severe type of hyperlipidemia, sometimes familial, that it is characterized by the elevation of both plasma CHYLOMICRONS and TRIGLYCERIDES contained in VERY-LOW-DENSITY LIPOPROTEINS. Type V hyperlipoproteinemia is often associated with DIABETES MELLITUS and is not caused by reduced LIPOPROTEIN LIPASE activity as in HYPERLIPOPROTEINEMIA TYPE I .
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