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Type 2 Diabetes MellitusNCT02129946

The Effect of Resistant Starch Bagels on Risk Factors of Type 2 Diabetes and Colorectal Cancer

A study testing Resistant Starch in people with Type 2 Diabetes Mellitus, run by University of Guelph at 1 site in Canada.

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 consumption of bagels made with resistant starch for 8 weeks can improve markers of type 2 diabetes, colon cancer and satiety in adults. Read more about this study

Who is it for?
Ages 40 years and olderHealthy volunteers can take part
Conditions the study is for
Type 2 Diabetes Mellitus
What is being tested?
Resistant Starch
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
25 participants
Where
1 siteCanada
Study dates
Jan 2014to Oct 2014
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 40 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Males and postmenopausal females at least 40 year old
  • BMI ≥25 and <40 kg/m2
  • Waist circumference ≥ 102 cm for men, ≥88cm for women
  • CANRISK score ≥21 which indicates an elevated risk for type 2 diabetes

Who cannot join

  • Diabetes mellitus (fasting blood glucose ≥ 7.0 mmol/L)
  • Restrained eating habits
  • Gastrointestinal conditions (Celiac's disease, Crohn's disease, Ulcerative Colitis, Inflammatory Bowel Disease)
  • Renal Conditions
  • Hepatic Conditions
  • Surgery or major medical event within 3 months of study start date
Show all 11Show fewer
  • Select medication use (Glycemia medications, cholesterol-lowering agents, antibiotics within 6 months of the study, other medications known to influence blood glucose insulin, cholesterol, triglycerides, incretin hormones of the digestive tract microbiome)
  • Select natural health product (NHP) use (Phytosterols or phytosterol functional foods, other NHPs intended for glycemic or cholesterol control)
  • Gluten allergy or intolerance
  • Alcohol consumption >15 drinks/week for men and >10 drinks/week for women
  • Significant international travel within 6 months of the starting the study, or plans to travel internationally during the study.

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • Human Nutraceutical Research Unit

    Guelph, Ontario, N1G 2W1

Other trials in Canada

About this study

Official title: Human Clinical Trial to Investigate the Effects of Resistant Starch Bagels on Risk Factors of Type 2 Diabetes and Colorectal Cancer in Adults at Risk for Type 2 Diabetes

The purpose of this study is to determine if consumption of bagels made with resistant starch for 8 weeks can improve markers of type 2 diabetes, colon cancer and satiety in adults.

Read the detailed description

Using a randomized, double-blind crossover study design, we will determine the effect of consuming bagels made with resistant starch daily for 8-weeks can reduce the risk of type 2 diabetes and colon cancer in an adults who are at an increased risk for type 2 diabetes. Additionally, we will compare the satiating effect of these bagels to that of a standard bagel.

Being tested
Resistant Starch
Keywords
Type 2 Diabetes, Resistant Starch, Postprandial Glucose, Postprandial Insulin, Satiety
Medical subject headings
Diabetes Mellitus, Type 2

What participants receive

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

  • Resistant StarchOther

    Also called RS bagels

    In a randomized crossover fashion, participants will consume bagels that are made with either high-resistant starch or standard wheat flour, daily for a period of 8 weeks, with a 4 week washout period.

Study groups in NCT02129946
Study groupRoleWhat they receive
Resistant Starch BagelsActive comparatorBagels made from high-resistant starch flour (provides 24g resistant starch per day)
Receives: Other: Resistant Starch
Control BagelsPlacebo comparatorBagels made from wheat flour
Receives: Other: Resistant Starch

What is being measured

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

  1. Fasting and postprandial blood glucose

    Blood glucose will be measured in the fasting state and postprandially (during a 3-hour oral glucose tolerance test) on the first and last study days of both treatment periods.

    Measured: up to day 57 of both treatment periods

  2. Fasting and postprandial insulin

    Circulating insulin will be measured in the fasting state and postprandially (during a 3-hour oral glucose tolerance test) on the first and last study days of both treatment periods.

    Measured: up to day 57 of both treatment periods

Secondary outcomes (3)
  1. HbA1c

    HbA1c (glycated haemoglobin) will be measured from fasting blood drawn on days 1 and 57 of both treatment periods.

    Measured: Day 1 and 57 of both treatment periods

  2. Calculated insulin sensitivity and beta-cell function

    Data will be used from 3-hour oral glucose tolerance tests performed on days 1 and 57 of both treatment periods.

    Measured: Days 1 and 57 of both treatment periods

  3. Satiety-producing effect

    After study bagel consumption as part of a standard breakfast, questionnaires will be used to quantify subjective measures of satiety, and weighted food records will be used to objectively measure food intake for the rest of the day.

    Measured: Day 2,3 or 4 of both treatment periods

Timeline

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

  1. First posted2 May 2014 (estimated)
  2. Study startJan 2014
  3. Primary completionOct 2014
  4. Study completionOct 2014

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
Basic science
Allocation
Randomised
Intervention model
Crossover
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
25 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02129946
Sponsor's protocol ID
13MY041
Status last verified
May 2018
First submitted
29 Apr 2014
Last updated
8 May 2018
Results posted
No
Data monitoring committee
No

Publications

  • Dainty SA, Klingel SL, Pilkey SE, McDonald E, McKeown B, Emes MJ, Duncan AM. Resistant Starch Bagels Reduce Fasting and Postprandial Insulin in Adults at Risk of Type 2 Diabetes. J Nutr. 2016 Nov;146(11):2252-2259. doi: 10.3945/jn.116.239418. Epub 2016 Oct 12.

    PubMed 27733521

Questions about this trial

What is this clinical trial studying?

A study testing Resistant Starch in people with Type 2 Diabetes Mellitus, run by University of Guelph at 1 site in Canada.

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 4 inclusion and 11 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 8 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 Canada. 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?

Fasting and postprandial blood glucose (time frame: up to day 57 of both treatment periods). The study lists 2 primary outcomes in all. 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 NCT02129946, 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 8 May 2018.

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