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ObesityMNGIINCT03135041

The Effect of Prebiotic Fibres on Weight Loss in an Overweight and Obese Population

A study testing Fiber-containing dietary supplement in people with Obesity, run by University of Copenhagen at 1 site in Denmark.

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 aim of this study is to investigate whether a diet supplemented with two prebiotic fibres induces greater changes in body weight compared to placebo during 12 weeks of energy restriction in an obese/overweight population. Read more about this study

Who is it for?
Ages 18 to 60 yearsHealthy volunteers can take part
Conditions the study is for
Obesity
What is being tested?
Fiber-containing dietary supplement
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
117 participants
Where
1 siteDenmark
Study dates
26 May 2017to 24 May 2018
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 18 to 60 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • BMI: 28-45 kg/m2
  • Non-smoking
  • Haemoglobin level ≥7 mmol/L

Who cannot join

  • Use of antibiotics three months prior to study and during the study. If a participant uses antibiotics prior to randomization, the participant will be invited to be re-screened 3 months after the last use of antibiotics, provided that it is realistic to complete the study no later than the scheduled LPLV
  • Weight change >3 kg two months prior to study
  • Blood donation other than for this study <1 month prior to study and during study.
  • Participation in clinical trials other than for this <1 month prior to study and during study
  • Intensive physical training/ elite athlete (>10 hours of strenuous physical activity per week)
  • Unstable medication for dyslipidaemia and elevated blood pressure (the participant must have had a stable dose in the three months prior to study start), and use of systemic glucocorticoids
Show all 19Show fewer
  • Medication for T2D
  • Treatment with metformin
  • Dietary supplements with pro- and/or prebiotics and/or fibre 6 weeks prior to study
  • Special dietary regimen (vegetarians, vegans etc.), as evaluated by study staff
  • Lactose intolerance or allergy to components in the intervention products
  • Gluten intolerance
  • Maltodextrin intolerance
  • Lactation, pregnancy or planning of pregnancy during the study
  • Gastro intestinal and liver disorders
  • Chronic inflammation disorders (excluding obesity)
  • Diagnosed psychiatric disorder including depression requiring treatment
  • Surgical treatment of obesity and abdominal surgery
  • Inability, physically or mentally, to comply with the procedures required by the study protocol, as evaluated by the study staff

Trial locations and contacts

1 site in 1 country.

Denmark1 site
  • Department of Nutrition, Exercise and Sports

    Frederiksberg, Frederiksberg C, 1958

Other trials in Denmark

About this study

Official title: Effects of a Combination of Prebiotic Fibres on Weight Loss During an Energy Restricted Diet in an Overweight/Obese Population

The aim of this study is to investigate whether a diet supplemented with two prebiotic fibres induces greater changes in body weight compared to placebo during 12 weeks of energy restriction in an obese/overweight population.

The hypothesis is that the fiber-containing dietary supplement will:

  1. Induce greater changes in body weight compared to the placebo group 2) change the gut microbiota composition 3) improve glucose homeostasis 4) decrease serum concentration of triglycerides, total and LDL cholesterol

The hypothesis is that the effect of the intervention on weight loss will be partly mediated by the diet-induced changes in the gut microbiota composition.

Read the detailed description

Prebiotics are nutrients that specifically utilized by the gut microbiota. Beneficial health effects of prebiotics are generally attributed to 1) stimulation of beneficial bacteria and SCFA production, and consequently; improved barrier function, regulation of enteroendocrine peptide secretion and resistance to inflammatory stimuli; 2) modulation of lipid metabolism, possibly by suppression of lipogenic enzymes and thus decreased synthesis of lipoproteins and triglycerides; and 3) increased mineral absorption.

Inulin is recognized as a common prebiotic. Fibersol-2 is a resistant starch that has been suggested to induce satiety, when given in a dose of 10 g. Intake of inulin has been shown to induce changes in the microbial abundance and increase production of SCFA19; whereas resistant starch has been shown to improve insulin sensitivity and postprandial glucose AUC20. However, the effects of an intervention with a combination of these two fibers on obesity and body composition during an energy restricted diet have not been addressed. Supplements with other types of fibres in addition to energy restriction have shown additional effects in weight reduction.

In this study, the effects of a combination product of two prebiotic fibres on additional weight loss during energy restriction in a placebo-controlled, randomized parallel study with a duration of 12 weeks will be tested. Furthermore, the effects of the fibres on the gut microbial composition, markers of metabolic syndrome (MetS) and glucose metabolism will be tested. The active diet will contain intervention products high in dietary fibre and the placebo diet will contain maltodextrin. The fiber-containing dietary supplements will add approximately 20 g of prebiotic fibres per day, where approximately 10 g will be inulin and approximately 10 g will be resistant maltodextrin. The intervention products and placebo will be consumed as milk. The fiber-containing dietary supplement is expected to induce additional weight loss, compared to placebo and to affect the gut microbiome and markers of metabolic disease.

Conditions
Obesity
Being tested
Fiber-containing dietary supplement, Placebo
Keywords
Prebiotics, Microbiome, Glucose metabolism
Medical subject headings
Obesity

What participants receive

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

  • Fiber-containing dietary supplementDietary supplement

    Effects of fiber-containing dietary supplement on weight loss during energy restriction

  • PlaceboDietary supplement

    Effects of placebo supplement on weight loss during energy restriction

Study groups in NCT03135041
Study groupRoleWhat they receive
Fiber-containing dietary supplementExperimental2 x 200 ml of fiber-enriched UHT milk during 12 weeks of energy restriction
Receives: Dietary Supplement: Fiber-containing dietary supplement
PlaceboPlacebo comparator2 x 200 ml of UHT milk with maltodextrin during 12 weeks of energy restriction
Receives: Dietary Supplement: Placebo

What is being measured

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

  1. Weight loss

    Differences in changes in body weight between the group that receives fiber-containing dietary supplement and placebo group

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

Secondary outcomes (9)
  1. Body composition

    Changes in body composition

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

  2. Gut microbiota composition and function

    Changes in gut microbiota composition and function (faecal samples) assesed by metagenomics

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

  3. Glucose metabolism

    Glucose and insulin homeostasis

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

  4. Lipid metabolism

    Analyses of lipids in blood samples

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

  5. Inflammatory markers

    Changes in concentration of inflammatory markers

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

  6. SCFA concentration

    Changes in faecal concentration of short chain fatty acids

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

  7. Lipidomics and bile acids

    Changes in concentration of lipids and bile acids in blood and faecal samples

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

  8. Metabolomics

    Analyses of metabolites in blood, urine and fecal samples

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

  9. Weight loss

    Interaction between differences in changes in body weight between the group that receives fiber-containing dietary supplement and placebo group and each of baseline fasting glucose, baseline fasting insulin and baseline microbiome composition (e.g. enterotype).

    Measured: Measurements will be performed at baseline and after 12 weeks of intervention

Timeline

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

  1. First posted1 May 2017
  2. Study start26 May 2017
  3. Primary completion24 May 2018
  4. Study completion24 May 2018

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
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
117 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03135041
Sponsor's protocol ID
B328
Acronym
MNGII
Status last verified
May 2018
First submitted
26 Apr 2017
Last updated
29 May 2018
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Shared personal data collected includes basic data and demographics as well as health related data (weight, blood pressure, medical history etc.) and biological samples including maximum 50 mL blood, faecal samples and spot urine collected at baseline and during the study. The blood samples collected will be used for the analyses of markers of glucose metabolism, lipid metabo-lism and inflammation. Urine collection will be used for metabolomics analyses. Faecal samples will be used for metagenomics analyses and analysis of bile acids. Biological samples will be stored in the research biobank for 5 years and destroyed afterwards. Link between participant number and personal identification will be separated and stored in one protected participant number log. Personal data will be stored for 5 years, where data will be anonymized by destroying basic data sheet and participant number log.

Publications

  • Hess AL, Benitez-Paez A, Blaedel T, Larsen LH, Iglesias JR, Madera C, Sanz Y, Larsen TM; MyNewGut Consortium. The effect of inulin and resistant maltodextrin on weight loss during energy restriction: a randomised, placebo-controlled, double-blinded intervention. Eur J Nutr. 2020 Sep;59(6):2507-2524. doi: 10.1007/s00394-019-02099-x. Epub 2019 Oct 11.

    PubMed 31605197

Questions about this trial

What is this clinical trial studying?

A study testing Fiber-containing dietary supplement in people with Obesity, run by University of Copenhagen at 1 site in Denmark.

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 3 inclusion and 19 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 29 May 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 Denmark. 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. Some participants in this study may receive a placebo. 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?

Weight loss (time frame: Measurements will be performed at baseline and after 12 weeks of intervention). 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 NCT03135041, 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 29 May 2018.

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