The Acute Effect of Physical Activity on Blood Glucose in Pregnant Women
NCT ID: NCT03644238
Last Updated: 2019-05-06
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
15 participants
INTERVENTIONAL
2017-08-21
2018-08-30
Brief Summary
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15 pregnant participants will perform two Oral Glucose Tolerance Tests (OGTT). One is followed by physical activity and the other is followed by inactivity and will serve as control. Blood glucose will be monitored continuously during the study.
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Detailed Description
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Intervention: The subjects will perform two OGTT separated by a minimum of two days. One - the regular OGTT will serve as control and the second OGTT will be the intervention. The two days in between will function as a "wash out period" to avoid potential carry over effect. During the OGTT subjects will consume a liquid containing 75g of glucose. The control OGTT will be followed by inactivity. The intervention OGTT will be immediately followed by 20 minutes of exercise on a bicycle ergometer with a fixed intensity.
Study variables: Blood glucose will be monitored continuously using the IPro2 Continous Glucose Monitor (CGM) from Medtronic. A sensor is inserted into interstitial fluid and continuously generates an electrical current proportional to the glucose concentration. A recorder stores the average sensor current every 5 minutes.
In both control and intervention, blood tests will be taken at time 0, 1 and 2 hours after the OGTT. Blood samples will be analyzed for blood glucose, HbA1c, C-peptide and insulin.
Data on demography, family history of diabetes, prepregnancy BMI, gestational weight gain and complications during pregnancy are collected from medical records of the patients and their offspring.
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
PREVENTION
NONE
Study Groups
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Experimental intervention
Oral Glucose Tolerance Test and physical activity
Oral Glucose Tolerance Test
75g of glucose is consumed
Physical activity
20 minutes of fixed intensity exercise on a bicycle ergometer.
Control intervention
Oral Glucose Tolerance Test and inactivity.
Oral Glucose Tolerance Test
75g of glucose is consumed
Inactivity
Lying or sitting down.
Interventions
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Oral Glucose Tolerance Test
75g of glucose is consumed
Inactivity
Lying or sitting down.
Physical activity
20 minutes of fixed intensity exercise on a bicycle ergometer.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
18 Years
FEMALE
Yes
Sponsors
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University of Aarhus
OTHER
Responsible Party
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Principal Investigators
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Per Ovesen, MD, Prof.
Role: STUDY_DIRECTOR
Aarhus University Hospital / University of Aarhus
Locations
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Department of Obstetrics and Gynecology, Aarhus University Hospital
Aarhus, , Denmark
Countries
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References
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Andersen MB, Ovesen PG, Daugaard M, Ostenfeld EB, Fuglsang J. Cycling reduces blood glucose excursions after an oral glucose tolerance test in pregnant women: a randomized crossover trial. Appl Physiol Nutr Metab. 2020 Nov;45(11):1247-1252. doi: 10.1139/apnm-2020-0020. Epub 2020 May 22.
Other Identifiers
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OGTT study
Identifier Type: -
Identifier Source: org_study_id
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