Health Effects of Grain Food in Adults
R
Richard Mattes
Primary Investigator
Recruiting
18-75 years
All
Phase
N/A
1 Location
Brief description of study
Why is this study being done?
Researchers at Purdue University want to learn more about the health effects of eating whole grain foods vs. refined grain foods with different amounts of added sugar. We hope that the knowledge gained from this study will provide new insights into dietary guidelines.
Who can take part?
Adults, 18 years or older, who do not have a sensitivity or allergy to grain or dairy foods.
Incentive/compensation
Participants will receive up to $1000 for completing all of the study requirements.
How to participate
If you are interested in participating in this study, please CLICK HERE to take our screening survey.
More information
Please reach out to the study team directory by contacting Giorgia at grutigli@purdue.edu
Additional information
This study is being conducted by Richard Mattes, PhD., R.D. in the Department of Nutrition Science at Purdue University. It is funded by the Grain Foundation.
Detailed description of study
What will happen during the study?
Total study participation will last 14 weeks. You will be randomly assigned, like the flip of a coin, to one of four food intervention groups. You will be provided all of your daily food by the study for 12 weeks.
During the study, you will be asked to do the following:
- Come to the lab at the Purdue University College of Health and Human Sciences in West Lafayette, IN to pick-up your pre-packaged meals twice per week (we will try to work with your schedule to reduce the burden of this as much as possible).
- Attend a total of 6 in-person visits over the course of the study; 3 study visits (3.5 hrs each) along with 3 additional study visits (30 min. each) at the Purdue Clinical Research Center (CRC). You will schedule your study visits in advance with the research team.
- Follow the provided study diet for 12 weeks, abstaining from consuming any additional foods, especially those containing sugars.
- Before starting the diet, you must maintain a 3-day food diary during the week and be available to answer a phone call from the CRC dietitian to discuss any diet-related questions.
- Complete online questionnaires regarding appetite sensations.
- Additionally, throughout the study, you will wear CGM and FitBit devices, undergo DEXA scan body composition measurements, as well as height, weight and blood pressure measurements, and provide a total of 5 fecal samples using the provided fecal kit.
**You will need to have timely communication with the research team while participating - this is crucial, including prompt responses to emails and messages.
Eligibility of study
You may be eligible for this study if you meet the following criteria:
- Conditions: all
-
Age: Between 18 Years - 75 Years
-
Gender: All
Inclusion Criteria:
- Non-smoker
- Hemoglobin A1c = 5.7-6.4%
Exclusion Criteria:
- Grain or dairy sensitivities/allergies
- Intended weight change
- Currently taking blood thinners
- History of gastrointestinal surgery
Updated on
01 Aug 2024.
Study ID: IRB-2023-1071 (PURDUE)
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