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Pediatric ObesityNCT03387293

Effect of Food Insulin Index on Metabolic Parameters in Obese Adolescents

A study testing LGI-LII Breakfast and LGI-HII Breakfast in people with Pediatric Obesity, run by TC Erciyes University.

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 was to determine the effect of food insulin index (FII) on metabolic parameters and appetite in obese adolescents with insulin resistance. A randomized, single-blind and crossover trial included 15 obese adolescents aged 12-18 years with insulin resistance. Read more about this study

Who is it for?
Ages 12 to 18 years
Conditions the study is for
Pediatric Obesity
What is being tested?
LGI-LII Breakfast and LGI-HII Breakfast
Could I receive a placebo?
No, everyone receives an active treatment
How many people
22 participants
Where
No sites listed yet
Study dates
1 Nov 2016to 1 May 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 12 to 18 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Who may be able to join

  • Aged 12-18 years
  • Age- and sex-specific body mass index (BMI) ≥95th percentile of the World Health Organization (WHO) growth-reference data
  • New diagnosis and not receiving any treatment
  • Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) >3.16

Who cannot join

  • Hypertension, cardiovascular disease, diabetes mellitus or any other significant metabolic, endocrine or gastrointestinal disease
  • Use of tobacco or alcohol
  • Taking any medications
  • Having difficulties for physical activity

About this study

The aim of this study was to determine the effect of food insulin index (FII) on metabolic parameters and appetite in obese adolescents with insulin resistance. A randomized, single-blind and crossover trial included 15 obese adolescents aged 12-18 years with insulin resistance. All participants were submitted two different breakfasts: low glycemic index, low insulin index (LGI-LII) and low glycemic index, high insulin index (LGI-HII), with a 1-week washout period between meals. At time 0 (just before breakfast), 15, 30, 45, 60, 90, 120, 180 and 240 minutes after the meal, serum glucose, insulin and c-peptide levels were measured and appetite was evaluated by visual analog scale. At the end of four hours, participants were served ad libitum lunch meal. Then, the foods eaten at lunch were recorded and their energy and nutrient analysis was calculated.

Being tested
LGI-LII Breakfast, LGI-HII Breakfast
Keywords
Pediatric Obesity, Insulin Resistance, Diet
Medical subject headings
Pediatric Obesity, Insulin Resistance

What participants receive

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

  • LGI-LII BreakfastOther

    This test meal with low GI and low FII amounts were served as a breakfast after 12-hours fasting and participants were asked to consume the meal in full, within 15 min.

  • LGI-HII BreakfastOther

    In crossover design, this test meal with low GI and high FII amounts were served as a breakfast to compare the LGI-LII Breakfast.

Study groups in NCT03387293
Study groupRoleWhat they receive
LGI-LII BreakfastExperimentalLow glycemic index, low insulin index (LGI-LII) breakfast as a test meal
Receives: Other: LGI-LII Breakfast; Other: LGI-HII Breakfast
LGI-HII BreakfastExperimentalLow glycemic index, high insulin index (LGI-HII) breakfast as a test meal
Receives: Other: LGI-LII Breakfast; Other: LGI-HII Breakfast

What is being measured

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

  1. Postprandial glucose response

    Postprandial glucose response was quantified as area under the curve (AUC) (mg/dL x minutes), which was calculated according to the trapezoidal rule by using serum glucose values at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes.

    Measured: Four hours postprandial period (from fasting to 240 minutes after the test breakfast)

  2. Postprandial insulin response

    Postprandial insulin response was quantified as AUC (μU/mL x minutes), which was calculated according to the trapezoidal rule by using serum insulin values at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes.

    Measured: Four hours postprandial period

  3. Postprandial C-peptide response

    Postprandial C-peptide response was quantified as AUC (ng/mL x minutes), which was calculated according to the trapezoidal rule by using serum C-peptide values at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes.

    Measured: Four hours postprandial period

Secondary outcomes (14)
  1. Hunger rating

    Visual analogue scale (VAS) ratings were measured by using a question "How hungry do you feel? (not at all hungry - as hungry as I ever felt)" at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes, and hunger rating was quantified as AUC (mm x minutes), which was calculated according to the trapezoidal rule by using those VAS scores.

    Measured: Four hours postprandial period

  2. Fullness rating

    Visual analogue scale (VAS) ratings were measured by using a question "How full do you feel? (not at all full - totally full)" at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes, and fullness rating was quantified as AUC (mm x minutes), which was calculated according to the trapezoidal rule by using those VAS scores.

    Measured: Four hours postprandial period

  3. Desiring to eat

    Visual analogue scale (VAS) ratings were measured by using a question "How strong is your desire to eat? (very weak - very strong)" at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes, and desiring to eat was quantified as AUC (mm x minutes), which was calculated according to the trapezoidal rule by using those VAS scores.

    Measured: Four hours postprandial period

  4. Prospective food consumption

    Visual analogue scale (VAS) ratings were measured by using a question "How much do you think you can eat? (no food at all - a large amount of food)" at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes, and prospective food consumption was quantified as AUC (mm x minutes), which was calculated according to the trapezoidal rule by using those VAS scores.

    Measured: Four hours postprandial period

  5. Desiring for sweet

    Visual analogue scale (VAS) ratings were measured by using a question "Would you like to eat something sweet? (No, not at all - Yes, very much)" at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes, and desiring for sweet was quantified as AUC (mm x minutes), which was calculated according to the trapezoidal rule by using those VAS scores.

    Measured: Four hours postprandial period

  6. Desiring for salty

    Visual analogue scale (VAS) ratings were measured by using a question "Would you like to eat something salty? (No, not at all - Yes, very much)" at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes, and desiring for salty was quantified as AUC (mm x minutes), which was calculated according to the trapezoidal rule by using those VAS scores.

    Measured: Four hours postprandial period

  7. Desiring for savoury

    Visual analogue scale (VAS) ratings were measured by using a question "Would you like to eat something savoury? (No, not at all - Yes, very much)" at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes, and desiring for savoury was quantified as AUC (mm x minutes), which was calculated according to the trapezoidal rule by using those VAS scores.

    Measured: Four hours postprandial period

  8. Desiring for fatty

    Visual analogue scale (VAS) ratings were measured by using a question "Would you like to eat something fatty? (No, not at all - Yes, very much)" at time points 0, 15, 30, 45, 60, 90, 120, 180 and 240 minutes, and desiring for fatty was quantified as AUC (mm x minutes), which was calculated according to the trapezoidal rule by using those VAS scores.

    Measured: Four hours postprandial period

  9. Subsequent energy consumption

    At 240 minutes after the test breakfast, participants were presented with an ad libitum lunch following appetite sensation measurement. Participants selected from a buffet-style meal. During the lunch, participants were left alone in a quiet room with controlled lightning and ambient room temperature, and asked to consume whatever they wanted and to eat until they felt comfortably full. Foods were weighted or measured to the nearest 0.1 g before consumption, and any remaining food was reweighed to determine intake at lunch. Energy intake was calculated using The National Food Composition Database (TurKomp) and manufacturer labelling.

    Measured: Four hours after consuming test meal (at 240 minutes)

  10. Visual appeal of test meal

    Visual analogue scale (VAS) ratings were measured by using a question "How is the visual appeal of test meal? (Good - Bad)" at time points 15 minutes (immediately after consuming test meal).

    Measured: Immediately after consuming test meal (at 15 minutes)

  11. Smell of test meal

    Visual analogue scale (VAS) ratings were measured by using a question "How is the smell of test meal? (Good - Bad)" at time points 15 minutes (immediately after consuming test meal).

    Measured: Immediately after consuming test meal (at 15 minutes)

  12. Taste of test meal

    Visual analogue scale (VAS) ratings were measured by using a question "How is the taste of test meal? (Good - Bad)" at time points 15 minutes (immediately after consuming test meal).

    Measured: Immediately after consuming test meal (at 15 minutes)

  13. Aftertaste of test meal

    Visual analogue scale (VAS) ratings were measured by using a question "Is there any perceived taste in your mouth after test meal? (Much - None)" at time points 15 minutes (immediately after consuming test meal).

    Measured: Immediately after consuming test meal (at 15 minutes)

  14. Palatability of test meal

    Visual analogue scale (VAS) ratings were measured by using a question "How is the palatability of test meal? (Good - Bad)" at time points 15 minutes (immediately after consuming test meal).

    Measured: Immediately after consuming test meal (at 15 minutes)

Timeline

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

  1. First posted2 Jan 2018
  2. Study start1 Nov 2016
  3. Primary completion1 Mar 2017
  4. Study completion1 May 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
Screening
Allocation
Randomised
Intervention model
Crossover
Masking
Single blind
Who is masked
Participant
Enrolment
22 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03387293
Sponsor's protocol ID
116S069
Status last verified
Dec 2017
First submitted
12 Dec 2017
Last updated
2 Jan 2018
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A study testing LGI-LII Breakfast and LGI-HII Breakfast in people with Pediatric Obesity, run by TC Erciyes University.

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 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 2 Jan 2018. Status can change between updates, so confirm with the study contact before making plans.

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 glucose response (time frame: Four hours postprandial period (from fasting to 240 minutes after the test breakfast)). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 2 Jan 2018.

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