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Clinical Trial Summary

In the proposed study, the investigators examine in older adults with Type 2 diabetes the impact of beginning insulin therapy on the orthostatic drop in blood pressure as well as the response of arterial blood pressure and Doppler measures of cerebral blood flow during upright tilt. The investigators hypothesize that in older adults with Type 2 diabetes, the cardiovascular effects of insulin would precipitate or worsen orthostatic intolerance not present at baseline.


Clinical Trial Description

Before and 2 weeks after the start of standard insulin therapy several tests will be done:

- orthostatic hypotension will be tested for with 3 orthostatic maneuvers

- vasovagal syncope will be tested with 2 tilt table tests, one augmented with 400ug of nitroglycerin

- MCA velocity will be measured with a transcranial doppler

- Heart Rate and Blood Pressure will be measured throughout the test with a Finometer and Power Lab on a beat to beat basis ;


Study Design


Related Conditions & MeSH terms


NCT number NCT01914146
Study type Interventional
Source University of British Columbia
Contact
Status Withdrawn
Phase N/A
Start date April 2015
Completion date January 2, 2018

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