Resistant Starch and Whey Protein on Energy Metabolism

September 5, 2018 updated by: Skidmore College

Combined Effects of Dietary Supplementation With Dietary Resistant Starch (RS) and Whey Protein on Resting Energy Expenditure and Blood Sugar and Insulin Responses in Lean and Obese Men and Women

Recent evidence shows that dietary supplementation with resistant starch (RS) increases fat catabolism and resting energy expenditure and decreases plasma insulin and glucose responses as well as the gut-derived hormone, glucose-dependent insulinotropic polypeptide (GIP). Consumption of whey protein has also been shown to increase energy expenditure and favorably affect gut hormones. Thus, investigators tested consumption of both RS and whey protein on energy expenditure and gut hormones in lean and obese women and men.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Consumed separately, resistant starch (RS) and whey protein (WP) favorably affect energy metabolism and gut hormones, as well as suppress feelings of hunger. These findings are important because release of certain gut hormones (i.e., GIP) is associated with a lower resting energy expenditure (REE) in healthy humans. Interestingly, a recent study showed that ingestion of RS reduces postprandial GIP and increases postprandial REE and fat utilization in healthy men and therefore may be an effective strategy in weight management. Thus, there is a need to replicate these findings in a healthy cohort of lean and obese women and men.

The purpose of this study was to examine the effects of RS on the number of calories burned after eating a meal, as well as specific hormones that are released from the stomach and intestines following meal ingestion in healthy lean and obese women and men. Investigators used a single ingestion of a meal supplemented with or without the resistant starch and whey protein.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
32

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

30 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • overweight or lean but otherwise healthy

Exclusion Criteria:

  • Participants will be excluded if they smoke; have experienced excessive weight loss/gain of > ±2kg in the previous 2 months; are currently taking medications for cardiovascular or metabolic disease.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Randomized
  • Interventional Model: Single Group Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: waxy maize starch
pancake test meal - waxy maize starch
Other: waxy maize starch
pancake test meal with waxy maize starch only
Other Names:
  • WMS
Active Comparator: waxy maize starch and whey protein
pancake test meal - waxy maize starch and whey protein
Other: waxy maize starch
pancake test meal with waxy maize starch only
Other Names:
  • WMS
Other: waxy maize starch and Whey Protein
pancake test meal with waxy maize starch and whey protein
Other Names:
  • WMS-WP
Active Comparator: resistant starch
pancake test meal - resistant starch
Other: Resistant Starch
pancake test meal with resistant starch only
Other Names:
  • RS
Active Comparator: resistant starch and whey protein
pancake test meal - resistant starch and whey protein
Other: Resistant Starch
pancake test meal with resistant starch only
Other Names:
  • RS
Other: resistant starch and whey protein
pancake test meal with resistant starch and whey protein
Other Names:
  • RS-WP

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Change in fat oxidation from Baseline to 180 Minutes Postprandial
Time Frame: time 0, 60, 120, 180 minutes
indirect calorimetry of fuel utilization
time 0, 60, 120, 180 minutes

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Change in gut hormones from Baseline to 180 Minutes Postprandial
Time Frame: time 0, 60, 120, 180 minutes
gastro-entero-pancreatic hormones
time 0, 60, 120, 180 minutes
Change in self-reported feelings of hunger, fullness, satiation from Baseline to 180 Minutes Postprandial
Time Frame: time 0, 60, 120, 180 minutes
visual analog scale of hunger, fullness and satiation
time 0, 60, 120, 180 minutes

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Skidmore College

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
August 1, 2013

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 1, 2014

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
August 1, 2018

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 7, 2015

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 12, 2015

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 16, 2015

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
September 6, 2018

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
September 5, 2018

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
September 1, 2018

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 1307-348

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Undecided

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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