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Endothelial DysfunctionNCT02919488

The Effect of an Acute Bout of Exercise on High-sugar Meal Induced Endothelial Dysfunction

A study testing Exercise Condition in people with Endothelial Dysfunction, run by Texas Christian University at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to determine if postprandial (after a meal) endothelial (inner lining of blood vessels) dysfunction induced by a high sugar meal improves with a bout of exercise Read more about this study

Who is it for?
Ages 45 to 70 years, women onlyHealthy volunteers can take part
Conditions the study is for
Endothelial Dysfunction
What is being tested?
Exercise Condition
Could I receive a placebo?
No, everyone receives an active treatment
How many people
22 participants
Where
1 siteUnited States
Study dates
Nov 2016to Dec 2017
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 45 to 70 years
  • Women only
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Post-menopausal women
  • Must be 45-70 years

Who cannot join

  • Use of medications or supplements to lose weight
  • Following a weight loss diet
  • Smoking
  • Heavy alcohol consumption
  • Diabetes
  • Heart disease
Show all 16Show fewer
  • Stroke
  • Liver disease
  • Kidney disease
  • Untreated thyroid disease
  • Anemia
  • Uncontrolled hypertension
  • Pulmonary disease that prevents exercise
  • Orthopedic problems that prevents exercise
  • Arthritis problems that prevent exercise
  • Musculoskeletal problems that prevent exercise.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Texas Christian University

    Fort Worth, Texas, 76129

Other trials in United States

About this study

The purpose of this study is to determine if postprandial (after a meal) endothelial (inner lining of blood vessels) dysfunction induced by a high sugar meal improves with a bout of exercise

Read the detailed description

Endothelial dysfunction is due to an imbalance between vasodilating and vasoconstricting substances produced by the endothelium. An imbalance in these substances limits the ability of the blood vessel to relax in response to a shear stress stimulus. Endothelial dysfunction is a major risk factor for cardiovascular disease.

High-sugar intakes result in postprandial hyperglycemia and endothelial dysfunction. Exercise may attenuate the endothelial dysfunction induced by a high-sugar meal. There are only two studies that have examined the effect of exercise on endothelial dysfunction induced by high-sugar intake. Both studies found that a bout of aerobic exercise attenuated the impaired flow mediated dilation induced by high-sugar ingestion. Neither study measured important markers of endothelial dysfunction such as blood nitric oxide, endothelin I, and angiotensin II concentrations, however. In addition, whether the same results apply to older post-menopausal women is unknown. Understanding how acute exercise affects meal-induced endothelial dysfunction in older women is important given that age is related to endothelial dysfunction and cardiovascular disease.

Being tested
Exercise Condition, Control Condition

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Exercise ConditionOther

    A bout of exercise in the evening followed by high-sugar meal consumption the following morning

  • Control ConditionOther

    Rest in the evening followed by high-sugar meal consumption the following morning

Study groups in NCT02919488
Study groupRoleWhat they receive
Exercise ConditionExperimentalNot described
Receives: Other: Exercise Condition
Control ConditionActive comparatorNot described
Receives: Other: Control Condition

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in brachial artery flow mediated dilation

    Measured: 0, 60, 120, and 180 minutes

Secondary outcomes (7)
  1. Change in blood nitric oxide concentration

    Measured: 0, 60, 120, and 180 minutes

  2. Change in blood endothelin-1concentration

    Measured: 0, 60, 120, and 180 minutes

  3. Change in blood angiotensin II concentration

    Measured: 0, 60, 120, and 180 minutes

  4. Change in blood glucose concentration

    Measured: 0, 60, 120, and 180 minutes

  5. Change in blood insulin concentration

    Measured: 0, 60, 120, and 180 minutes

  6. Change in blood lipoprotein particle numbers

    Measured: 0, 60, 120, and 180 minutes

  7. Change in blood lipid concentration

    Measured: 0, 60, 120, and 180 minutes

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted29 Sep 2016 (estimated)
  2. Study startNov 2016
  3. Primary completionDec 2017
  4. Study completionDec 2017

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
None (open label)
Enrolment
22 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02919488
Sponsor's protocol ID
CT2016MS2
Status last verified
Apr 2018
First submitted
27 Sep 2016
Last updated
27 Apr 2018
Results posted
No
Data monitoring committee
No

Publications

  • Deanfield J, Donald A, Ferri C, Giannattasio C, Halcox J, Halligan S, Lerman A, Mancia G, Oliver JJ, Pessina AC, Rizzoni D, Rossi GP, Salvetti A, Schiffrin EL, Taddei S, Webb DJ; Working Group on Endothelin and Endothelial Factors of the European Society of Hypertension. Endothelial function and dysfunction. Part I: Methodological issues for assessment in the different vascular beds: a statement by the Working Group on Endothelin and Endothelial Factors of the European Society of Hypertension. J Hypertens. 2005 Jan;23(1):7-17. doi: 10.1097/00004872-200501000-00004.

    PubMed 15643116
  • Widmer RJ, Lerman A. Endothelial dysfunction and cardiovascular disease. Glob Cardiol Sci Pract. 2014 Oct 16;2014(3):291-308. doi: 10.5339/gcsp.2014.43. eCollection 2014. No abstract available.

    PubMed 25780786
  • Loader J, Montero D, Lorenzen C, Watts R, Meziat C, Reboul C, Stewart S, Walther G. Acute Hyperglycemia Impairs Vascular Function in Healthy and Cardiometabolic Diseased Subjects: Systematic Review and Meta-Analysis. Arterioscler Thromb Vasc Biol. 2015 Sep;35(9):2060-72. doi: 10.1161/ATVBAHA.115.305530. Epub 2015 Jun 25.

    PubMed 26112007
  • Zhu W, Zhong C, Yu Y, Li K. Acute effects of hyperglycaemia with and without exercise on endothelial function in healthy young men. Eur J Appl Physiol. 2007 Apr;99(6):585-91. doi: 10.1007/s00421-006-0378-3. Epub 2007 Jan 6.

    PubMed 17206439
  • Weiss EP, Arif H, Villareal DT, Marzetti E, Holloszy JO. Endothelial function after high-sugar-food ingestion improves with endurance exercise performed on the previous day. Am J Clin Nutr. 2008 Jul;88(1):51-7. doi: 10.1093/ajcn/88.1.51.

    PubMed 18614723
  • Shah M, Gloeckner A, Bailey S, Adams-Huet B, Kreutzer A, Cheek D, Willis JL, Mitchell J. Effect of a late afternoon/early evening bout of aerobic exercise on postprandial lipid and lipoprotein particle responses to a high-sugar meal breakfast the following day in postmenopausal women: a randomized cross-over study. J Sports Sci. 2022 Jan;40(2):175-184. doi: 10.1080/02640414.2021.1982497. Epub 2021 Sep 27.

    PubMed 34565292
  • Shah M, Bailey S, Gloeckner A, Kreutzer A, Adams-Huet B, Cheek D, Mitchell J. Effect of acute exercise on postprandial endothelial function in postmenopausal women: a randomized cross-over study. J Investig Med. 2019 Aug;67(6):964-970. doi: 10.1136/jim-2019-000992. Epub 2019 Mar 5.

    PubMed 30842213

Questions about this trial

What is this clinical trial studying?

A study testing Exercise Condition in people with Endothelial Dysfunction, run by Texas Christian University at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 16 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 27 Apr 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in brachial artery flow mediated dilation (time frame: 0, 60, 120, and 180 minutes). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02919488, which also lists 7 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Apr 2018.

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