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Type 2 Diabetes MellitusNCT01456026

Effects of Food Advanced Glycation Endproducts on Vascular Function in Diabetes

A study testing Glycated beta-lactoglobulins. and Non-glycated beta-lactoglobulins in people with Type 2 Diabetes Mellitus, run by Profil Institut für Stoffwechselforschung GmbH at 1 site in Germany.

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

Recent evidence supports detrimental effects of advanced glycation endproducts (AGE) on vascular function (VF). Though, the effect of AGE-modified proteins alone on vascular function remained unknown. Read more about this study

Who is it for?
Ages 20 to 70 years
Conditions the study is for
Type 2 Diabetes Mellitus
What is being tested?
Glycated beta-lactoglobulins. and Non-glycated beta-lactoglobulins
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
19 participants
Where
1 siteGermany
Study dates
Jun 2009to May 2010
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 20 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Type 2 diabetes mellitus

Who cannot join

  • Other types of diabetes
  • Major cardiovascular complications within 6 months prior to screening
  • Major diabetes complications
  • Failure to give informed consent

Trial locations and contacts

1 site in 1 country.

Germany1 site
  • Heart and Diabetes Center North-Rhine Westfalia

    Bad Oeynhausen, North Rhine-Westphalia, 32545

Other trials in Germany

About this study

Official title: Acute Effects of Food Advanced Glycation Endproducts on Macrovascular Function in Subjects With Type 2 Diabetes Mellitus

Recent evidence supports detrimental effects of advanced glycation endproducts (AGE) on vascular function (VF). Though, the effect of AGE-modified proteins alone on vascular function remained unknown. Therefore, the aim of our study is to investigate the effects of heat-treated, glycated beta-lactoglobulins (BLG) on vascular function in subjects with type 2 diabetes mellitus (T2DM) and to compare it to non-glycated, heat-treated BLG.

Read the detailed description

In a double-blind, controlled, randomized, cross-over manner, 19 subjects with T2DM will receive on 2 different days beverages containing either glycated, heat-treated BLG or non-glycated, heat-treated BLG.

Macrovascular (brachial ultrasound of flow mediated dilatation -FMD) and microvascular function (laser-doppler measurements of reactive hyperemia at the hand) at baseline (T0), as well as 90 (T90) and 180 (T180) minutes after each beverage will be measured.

Being tested
Glycated beta-lactoglobulins., Non-glycated beta-lactoglobulins
Keywords
Diabetes, Advanced glycation endproducts, Endothelium
Medical subject headings
Diabetes Mellitus, Type 2, Diabetes Mellitus

What participants receive

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

  • Glycated beta-lactoglobulins.Dietary supplement

    oral, 20 g, single administration

  • Non-glycated beta-lactoglobulinsDietary supplement

    20 g, oral, single administration,

Study groups in NCT01456026
Study groupRoleWhat they receive
Glycated beta-lactoglobulinsExperimentalIn this randomized, double blind,cross-over study, half of the subjects will receive on one day a beverage with a high AGE content and will be switched after a wash-out of min. 7 days to receive a low-AGE beverage (comparator). The other half will receive the beverages in inverse sequence.
Receives: Dietary Supplement: Glycated beta-lactoglobulins.
Non-glycated beta-lactoglobulinsActive comparatorIn this randomized, double blind,cross-over study, half of the subjects will receive on one day a beverage with a high AGE content and will be switched after a wash-out of min. 7 days to receive a low-AGE beverage (comparator). The other half will receive the beverages in inverse sequence.
Receives: Dietary Supplement: Non-glycated beta-lactoglobulins

What is being measured

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

  1. Postprandial Change from Baseline in Flow Mediated Dilatation

    Macrovascular (brachial ultrasound of flow mediated dilatation -FMD) will be measured at baseline (T0), as well as 90 (T90) and 180 (T180) minutes after each beverage. The hypothesis of our study is that an AGE-rich beverage acutely impairs FMD more than a beverage with a low AGE content.

    Measured: Baseline, 90 and 180 min after oral intake of food AGE

Secondary outcomes (1)
  1. Postprandial Change from Baseline in Microcirculation (Laser-Doppler measurements of reactive hyperemia at the hand)

    Microvascular function will be measured at baseline (T0), as well as 90 (T90) and 180 (T180) minutes after each beverage. The hypothesis of our study is that an AGE-rich beverage acutely impairs microvascular function more than a beverage with a low AGE content.

    Measured: Baseline, 90 and 180 min. following food AGE intake.

Timeline

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

  1. First posted20 Oct 2011 (estimated)
  2. Study startJun 2009
  3. Primary completionMay 2010
  4. Study completionMay 2010

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
Allocation
Randomised
Intervention model
Crossover
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
19 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01456026
Sponsor's protocol ID
Exogene-AGE
Status last verified
Oct 2011
First submitted
14 Oct 2011
Last updated
20 Oct 2011
Results posted
No
Data monitoring committee
No

Publications

  • Stirban A, Kotsi P, Franke K, Strijowski U, Cai W, Gotting C, Tschoepe D. Acute macrovascular dysfunction in patients with type 2 diabetes induced by ingestion of advanced glycated beta-lactoglobulins. Diabetes Care. 2013 May;36(5):1278-82. doi: 10.2337/dc12-1489. Epub 2012 Dec 13.

    PubMed 23238657

Questions about this trial

What is this clinical trial studying?

A study testing Glycated beta-lactoglobulins. and Non-glycated beta-lactoglobulins in people with Type 2 Diabetes Mellitus, run by Profil Institut für Stoffwechselforschung GmbH at 1 site in Germany.

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 1 inclusion and 4 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 20 Oct 2011. 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 Germany. 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?

Postprandial Change from Baseline in Flow Mediated Dilatation (time frame: Baseline, 90 and 180 min after oral intake of food AGE). 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 NCT01456026, which also lists 1 linked publication.

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 20 Oct 2011.

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