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Clinical Trial Summary

Hypothesis: Low blood sugar (hypoglycemia) decreases function of the lining of the blood vessels in normal humans.

This study is designed to explore how hypoglycemia affects the function of the blood vessel lining. This will be determined by measuring blood flow to the arm before and after occlusion of flow. Blood vessel function will be measured before induction of hypoglycemia, during insulin induced hypoglycemia, and after recovery from hypoglycemia. A second study will be done but without hypoglycemia.


Clinical Trial Description

Purpose: The purpose of the research is to learn more about how low blood sugar (low blood glucose or hypoglycemia) affects the way the blood vessels work in healthy people. Subjects who participate in this research project must be in good health and taking no medications.

Methods: A screening visit to the Clinical Research Center of the Ohio State University will be used to assess eligibility to participate. The main study consists of two visits to the Clinical Research Center that occur two to four weeks apart. Each of these visits will involve a procedure known as an insulin clamp. This involves giving insulin and sugar water into a vein. The amount of sugar given varies to keep the blood sugar at a predetermined level. For one of the two visits the blood sugar will be low and the other it will be normal. The function of the blood vessels will be measured three times during each study by measuring blood flow before and after stopping blood flow to the arm for 5 min. ;


Study Design

Observational Model: Case Control, Time Perspective: Prospective


Related Conditions & MeSH terms


NCT number NCT00373854
Study type Observational
Source Ohio State University
Contact
Status Completed
Phase N/A
Start date September 2005
Completion date September 2006

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