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Metabolic SyndromePhase 2SysdimetNCT00573781

Dietary Modulation of Gene Expression and Metabolic Pathways in Glucose Metabolism

A Phase 2 study testing Diet with increased intake of rye bread, berries and fish and Increased intake of whole grain and rye bread in people with Metabolic Syndrome and Obesity, run by Marjukka Kolehmainen at 1 site in Finland.

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

Professor Matti Uusitupa, University of Kuopio, Department of Clinical Nutrition (www.uku.fi) Docent Matej Oresic, VTT (www.vtt.fi) Ursula Schwab, PhD, Docent, Marjukka Kolehmainen, PhD, Docent, Leena Pulkkinen, PhD, Docent, David Laaksonen, MD, PhD, MPH, Docent, Kaisa Poutanen, DSc (Tech), Research Professor ABSTRACT… Read more about this study

Who is it for?
Ages 40 to 65 yearsHealthy volunteers can take part
What is being tested?
Diet with increased intake of rye bread, berries and fish and Increased intake of whole grain and rye bread
Could I receive a placebo?
No, everyone receives an active treatment
How many people
106 participants
Where
1 siteFinland
Study dates
Sep 2007to Jun 2009
Phase
Phase 2
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 40 to 65 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • impaired glucose tolerance (oral glucose tolerance test with 2-h glucose concentration 7,8-11,0 mmol/l) OR
  • impaired fasting glucose fasting plasma glucose concentration 5,6-6,9 mmol/l = IFG)
  • and two of the criteria for metabolic syndrome:
  • BMI 26-39 kg/m2
  • Waist circumference > 102 cm (men) or > 88 cm (women)
  • hypertriglyceridemia (fasting serum triglyceride conc > 1,7 mmol/l),
  • HDL-cholesterol (fasting serum HDL conc < 1,0 mmol/l for men and < 1,3 mmol/l for women)
  • Blood pressure ≥ 130/≥ 85 mmHg

Who cannot join

  • BMI > 40 kg/m2
  • fasting serum triglyceride conc > 3.5 mmol/l
  • fasting serum cholesterol > 8 mmol/l
  • type 1 or 2 diabetes
  • abnormal liver, kidney or thyroid function
  • large alcohol intake (women >16, men > 24 doses (4cl liquor or equivalent) during week)
Show all 9Show fewer
  • inflammatory bowel disease
  • disease that prevents participation
  • neuroleptic neuroleptic cortisone medication

Trial locations and contacts

1 site in 1 country.

Finland1 site
  • University of Kuopio, Department of Clinical Nutrition

    Kuopio, 70211

Other trials in Finland

About this study

Official title: Systems Biology Approach to Understand Dietary Modulation of Gene Expression and Metabolic Pathways in Subjects With Abnormal Glucose Metabolism (Sysdimet)

Professor Matti Uusitupa, University of Kuopio, Department of Clinical Nutrition (www.uku.fi) Docent Matej Oresic, VTT (www.vtt.fi) Ursula Schwab, PhD, Docent, Marjukka Kolehmainen, PhD, Docent, Leena Pulkkinen, PhD, Docent, David Laaksonen, MD, PhD, MPH, Docent, Kaisa Poutanen, DSc (Tech), Research Professor

ABSTRACT

Read more

The metabolic syndrome (MS) and type 2 diabetes (T2DM) are the most important health problems worldwide. In Finland the prevalence of T2DM is 12-15% among middle-aged people. The prevalence of less marked disturbances in glucose metabolism and MS is 30-40%. Because MS and T2DM are important risk factors for cardiovascular diseases (CVD), the leading cause of death in western countries, all efforts to reverse the epidemic increase in the incidence of MS and T2DM are warranted. The investigators have focused for years on the prevention and non-pharmacological treatment of T2DM and its complications including studies on genetic regulation of glucose and lipid metabolism after dietary modifications. In the investigators' recent projects, the investigators have studied the effects of long-term dietary interventions on gene expression profiles of fat tissue in subjects who are at risk of T2DM. The ultimate goal of these projects has been to identify genes and gene clusters and their biological pathways that respond to dietary modification and modulate glucose and lipid metabolism, and to develop dietary strategies for prevention of T2DM. The main goal of this project is to find nutrition related early biomarkers for progression of MS to T2DM by using modern technologies of systems biology (transcriptomics, metabolomics) of carefully conducted dietary interventions involving subjects with MS. The data will be analysed by using bioinformatics. The investigators reflect these new data to well-known risk factors for T2DM and CVD, e.g., insulin sensitivity, insulin secretion, serum lipids and inflammatory factors among others. In addition to interventions conducted earlier, a new intervention with a whole grain-berry-fish diet and a whole grain diet compared to a control diet with refined foods will be performed. The aim is to increase the investigators' understanding on the synergistic effects of these foods, because the investigators' previous interventions have shown that these individual foods have beneficial effects on glucose and lipid metabolism. On the contrary, diets with refined foods may be harmful in long-term due to its high insulin response, which may through chronic stress lead to both insulin resistance and beta-cell damage.

The significance of this project is to increase understanding of the pathophysiology of MS, T2DM and CVD in physiological, cellular and genetic systems, which may lead to more effective and individualised strategies for treatment and prevention, and better identification of high-risk individuals responsive to specific dietary modifications. Increasing knowledge of dietary factors involved in the progression of MS to T2DM and CVD offers new opportunities to individually tailored diets in the management and prevention of these disorders. The results will also be beneficial for the food industry in developing new functional foods. These results and actions may help delay or even stop the epidemic of MS and T2DM and their negative effect on public health currently seen in Finland and worldwide.

Being tested
Diet with increased intake of rye bread, berries and fish, Increased intake of whole grain and rye bread, Control diet with decreased intake of rye bread, berries and fish
Keywords
Systems biology, Nutrigenomics, Metabolomics, Gene expression, Fat tissue, Peripheral mononuclear cells, Gene clusters, Gene expression profiles, Personal diets, Metabolic syndrome, Type 2 Diabetes, Atherosclerosis
Medical subject headings
Metabolic Syndrome, Obesity, Glucose Intolerance, Diabetes Mellitus, Type 2, Atherosclerosis

What participants receive

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

  • Diet with increased intake of rye bread, berries and fishDietary supplement

    Dietary modification with commercial food items

  • Increased intake of whole grain and rye breadDietary supplement

    Dietary modification with commercial food items

  • Control diet with decreased intake of rye bread, berries and fishDietary supplement

    Dietary modification with commercial food items

Study groups in NCT00573781
Study groupRoleWhat they receive
AExperimentalDiet with increased intake of rye bread, berries and fish
Receives: Dietary Supplement: Diet with increased intake of rye bread, berries and fish
BExperimentalIncreased intake of whole grain and rye bread
Receives: Dietary Supplement: Increased intake of whole grain and rye bread
CActive comparatorControl diet with decreased intake of rye bread, berries and fish
Receives: Dietary Supplement: Control diet with decreased intake of rye bread, berries and fish

What is being measured

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

  1. Changes in glucose metabolism, changes in transcriptomic and metabolomic profiles

    Measured: By 2010

Secondary outcomes (1)
  1. Interaction between the diet and genetic factors within treatment groups

    Measured: By 2010

Timeline

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

  1. First posted14 Dec 2007 (estimated)
  2. Study startSep 2007
  3. Primary completionJun 2009
  4. Study completionJun 2009

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 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
106 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00573781
Sponsor's protocol ID
56/2007
Other IDs
117844 by Finnish Academy
Acronym
Sysdimet
Status last verified
Apr 2012
First submitted
13 Dec 2007
Last updated
17 Apr 2012
Results posted
No
Data monitoring committee
No

Publications

  • Karkkainen O, Lankinen MA, Vitale M, Jokkala J, Leppanen J, Koistinen V, Lehtonen M, Giacco R, Rosa-Sibakov N, Micard V, Rivellese AAA, Schwab U, Mykkanen H, Uusitupa M, Kolehmainen M, Riccardi G, Poutanen K, Auriola S, Hanhineva K. Diets rich in whole grains increase betainized compounds associated with glucose metabolism. Am J Clin Nutr. 2018 Nov 1;108(5):971-979. doi: 10.1093/ajcn/nqy169.

    PubMed 30256894
  • Lankinen MA, Hanhineva K, Kolehmainen M, Lehtonen M, Auriola S, Mykkanen H, Poutanen K, Schwab U, Uusitupa M. CMPF does not associate with impaired glucose metabolism in individuals with features of metabolic syndrome. PLoS One. 2015 Apr 15;10(4):e0124379. doi: 10.1371/journal.pone.0124379. eCollection 2015.

    PubMed 25874636
  • Hanhineva K, Lankinen MA, Pedret A, Schwab U, Kolehmainen M, Paananen J, de Mello V, Sola R, Lehtonen M, Poutanen K, Uusitupa M, Mykkanen H. Nontargeted metabolite profiling discriminates diet-specific biomarkers for consumption of whole grains, fatty fish, and bilberries in a randomized controlled trial. J Nutr. 2015 Jan;145(1):7-17. doi: 10.3945/jn.114.196840. Epub 2014 Nov 12.

    PubMed 25527657
  • Lankinen M, Kolehmainen M, Jaaskelainen T, Paananen J, Joukamo L, Kangas AJ, Soininen P, Poutanen K, Mykkanen H, Gylling H, Oresic M, Jauhiainen M, Ala-Korpela M, Uusitupa M, Schwab U. Effects of whole grain, fish and bilberries on serum metabolic profile and lipid transfer protein activities: a randomized trial (Sysdimet). PLoS One. 2014 Feb 28;9(2):e90352. doi: 10.1371/journal.pone.0090352. eCollection 2014.

    PubMed 24587337
  • Lappi J, Salojarvi J, Kolehmainen M, Mykkanen H, Poutanen K, de Vos WM, Salonen A. Intake of whole-grain and fiber-rich rye bread versus refined wheat bread does not differentiate intestinal microbiota composition in Finnish adults with metabolic syndrome. J Nutr. 2013 May;143(5):648-55. doi: 10.3945/jn.112.172668. Epub 2013 Mar 20.

    PubMed 23514765
  • Lankinen M, Schwab U, Kolehmainen M, Paananen J, Poutanen K, Mykkanen H, Seppanen-Laakso T, Gylling H, Uusitupa M, Oresic M. Whole grain products, fish and bilberries alter glucose and lipid metabolism in a randomized, controlled trial: the Sysdimet study. PLoS One. 2011;6(8):e22646. doi: 10.1371/journal.pone.0022646. Epub 2011 Aug 25.

    PubMed 21901116
  • de Mello VD, Schwab U, Kolehmainen M, Koenig W, Siloaho M, Poutanen K, Mykkanen H, Uusitupa M. A diet high in fatty fish, bilberries and wholegrain products improves markers of endothelial function and inflammation in individuals with impaired glucose metabolism in a randomised controlled trial: the Sysdimet study. Diabetologia. 2011 Nov;54(11):2755-67. doi: 10.1007/s00125-011-2285-3. Epub 2011 Aug 26.

    PubMed 21870174

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Diet with increased intake of rye bread, berries and fish and Increased intake of whole grain and rye bread in people with Metabolic Syndrome and Obesity, run by Marjukka Kolehmainen at 1 site in Finland.

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 8 inclusion and 9 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 17 Apr 2012. 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 Finland. 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.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

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?

Changes in glucose metabolism, changes in transcriptomic and metabolomic profiles (time frame: By 2010). 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 NCT00573781, 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 17 Apr 2012.

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