The purpose of this single-centre, open label prospective study is to investigate a novel ocular mini insert (OMI) for detection of blood glucose levels in human subjects. First, the optimal technical parameters for measurement are determined on healthy subjects. Secondly, performance measurements follow investigating relationship between OMI signal and blood glucose in diabetes patients during short sessions with oral glucose tolerace test.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
8
A glucose sensitive ocular mini insert (OMI) is placed sub-conjunctivaly. When exited by photometer the glucose concentration is measured.
Correlation between OMI signal and blood glucose
Correlation between OMI fluorescence readings of subconjunctival interstitial fluid glucose concentration and capillary blood glucose level
Time frame: 1-2 times weekly for 10 weeks after insertion
Adverse Events Reporting
wound healing and conjunctival hyperaemia
Time frame: at each visit, up to 10 months
Sensitivity and signal to noise ratio of the photometer
Time frame: 1-2 times weekly for 10 weeks after insertion
Long term stability of insert
signal drift and stability of measurement
Time frame: 1-2 times weekly for 10 weeks after insertion
Targeting of measurement beam
Time frame: 1-2 times weekly for 10 weeks after insertion
Subjective impressions
subjecs has to answer a questionnaire
Time frame: 10 months
Lag time
evaluation between device readings and blood glucose concentration
Time frame: 1-2 times weekly for 10 weeks after insertion
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