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There are many health benefits associated with the consumption of omega-3 dietary fats. Omega-3 fats, specifically eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), can be found in marine food products such as fatty fish, in fortified products such as eggs and milk, or in dietary supplements such as fish oil. Despite numerous health benefits, it is well documented that most people in Western society are not meeting the recommended daily amounts of EPA and DHA omega-3 fats.
The overall objective of this study is to examine whether providing young adults (18-25 years) with personal genetic information changes behavior with regards to omega-3 fat consumption. In order to achieve this objective, study participants will be divided into two groups: 1. Genetic and 2. Non-Genetic. The Genetic Group will be provided with their personalized information regarding a common gene variant in addition to general information regarding the health benefits of omega-3 fats, while the Non-Genetic Group will only receive the general information. Primary outcomes studied will include dietary habits and secondary outcomes include blood markers of cardiometabolic health.
There are many health benefits associated with the consumption of omega-3 dietary fats. Omega-3 fats, specifically eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), can be found in marine food products such as fatty fish, in fortified products such as eggs and milk, or in dietary supplements such as fish oil. Despite numerous health benefits, it is well documented that most people in Western society are not meeting the recommended daily amounts of EPA and DHA omega-3 fats.
The numerous health benefits associated with omega-3 fats are well documented in scientific literature; however, there are a limited number of studies focused on the health effects of omega-3 fats in emerging adults (18-25 years). Indeed, most research to date has been conducted in older adults, with or without hyperlipidemia. In addition, it is important to consider interventions in emerging adults given that behaviours learned in this life stage can persist later in life. It has also been reported that the diet quality (i.e., amount of fruits, vegetables, whole grains, etc.) is reduced for individuals within this age range; thus highlighting another important reason for targeting this demographic.
The combination of genetic and dietary information (i.e., nutrigenetics) has the potential to not only benefit basic research, but also the general population. Therefore, more research is needed to determine if providing individuals with their genetic information has the potential to encourage behaviour changes. So far, several studies have investigated how people may change their behaviour in response to genetic risk information, but none have conducted a nutrigenetic intervention examining if providing personal genetic information alters diet behaviours.
The overall objective of this study is to examine whether providing emerging adults with personal genetic information changes their behavior with regards to omega-3 consumption. In order to achieve this objective, study participants will be divided into two groups: 1. Genetic and 2. Non-genetic. The Genetic group will be provided with their personal information for a common gene variant in addition to general information regarding the health benefits of omega-3 fats, while the Non-genetic group will only receive the general information. Primary outcomes studied will include dietary habits and secondary outcomes include blood markers of cardiometabolic health.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Non-genetic Group | Placebo Comparator | General Nutrition related to Omega-3 fats: Individuals in this group will be provided with only general nutrition information related to omega-3 fats and health. |
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| Genetic Group | Experimental | Genetic information and Omega-3 fat intake: Individuals in this group will be provided with general nutrition information related to omega-3 fats and health, as well as their personal genetic information for a common gene variant related to omega-3 fatty acid metabolism. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Genetic information and Omega-3 fat intake | Genetic | Only the Genetic group will receive their personal genetic information prior to beginning the 3-month study. |
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| Measure | Description | Time Frame |
|---|---|---|
| Omega-3 Dietary Intake | Omega-3 fat intake was assessed using food frequency questionnaires. The Canadian Nutrient File (version 2015) was used to assess the amount of EPA and DHA in whole foods (e.g., fish, eggs, poultry). Data corresponds to EPA + DHA (mg /day). | Baseline and 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Blood Triglycerides (Physiological Parameter) | Triglycerides were measured in fasted serum. Data is reported as mmol/L | baseline and 12 weeks |
| Change in Omega-3 Index in Blood (Physiological Parameter) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| David M Mutch, PhD | University of Guelph | Principal Investigator |
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 22591897 | Background | Tur JA, Bibiloni MM, Sureda A, Pons A. Dietary sources of omega 3 fatty acids: public health risks and benefits. Br J Nutr. 2012 Jun;107 Suppl 2:S23-52. doi: 10.1017/S0007114512001456. | |
| 24736206 | Background | Micha R, Khatibzadeh S, Shi P, Fahimi S, Lim S, Andrews KG, Engell RE, Powles J, Ezzati M, Mozaffarian D; Global Burden of Diseases Nutrition and Chronic Diseases Expert Group NutriCoDE. Global, regional, and national consumption levels of dietary fats and oils in 1990 and 2010: a systematic analysis including 266 country-specific nutrition surveys. BMJ. 2014 Apr 15;348:g2272. doi: 10.1136/bmj.g2272. |
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| ID | Title | Description |
|---|---|---|
| FG000 | Non-genetic Group | General Nutrition related to Omega-3 fats: Individuals in this group were provided with only general nutrition information related to omega-3 fats and health. |
| FG001 | Genetic Group |
| Title | Milestones | Reasons Not Completed | |||||
|---|---|---|---|---|---|---|---|
| Overall Study |
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| General Nutrition related to Omega-3 fats | Behavioral | Both the Genetic and Non-Genetic groups will receive general nutrition information about omega-3 fats. |
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Blood fatty acids measured by gas chromatography. Data is reported as a percentage of all detected fatty acids. The omega-3 index is calculated by summing data for 3 omega-3 fats in serum: ALA, EPA, and DHA.
| baseline and 12 weeks |
| Background | Beasley LJ, Hackett AF, Maxwell SM. The dietary and health behaviour of young people aged 18-25 years living independently or in the family home in Liverpool, UK. International Journal of Consumer Studies 28(4): 355-363, 2004. |
| 15499355 | Background | Demory-Luce D, Morales M, Nicklas T, Baranowski T, Zakeri I, Berenson G. Changes in food group consumption patterns from childhood to young adulthood: the Bogalusa Heart Study. J Am Diet Assoc. 2004 Nov;104(11):1684-91. doi: 10.1016/j.jada.2004.07.026. |
| 20070198 | Background | McBride CM, Koehly LM, Sanderson SC, Kaphingst KA. The behavioral response to personalized genetic information: will genetic risk profiles motivate individuals and families to choose more healthful behaviors? Annu Rev Public Health. 2010;31:89-103. doi: 10.1146/annurev.publhealth.012809.103532. |
| 28272299 | Result | Roke K, Walton K, Klingel SL, Harnett A, Subedi S, Haines J, Mutch DM. Evaluating Changes in Omega-3 Fatty Acid Intake after Receiving Personal FADS1 Genetic Information: A Randomized Nutrigenetic Intervention. Nutrients. 2017 Mar 6;9(3):240. doi: 10.3390/nu9030240. |
Genetic information and Omega-3 fat intake: Individuals in this group were provided with general nutrition information related to omega-3 fats and health, as well as information regarding the impact of a common variant in the FADS1 gene and how this variant influences omega-3 fatty acid profiles.
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| NOT COMPLETED |
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| ID | Title | Description |
|---|---|---|
| BG000 | Non-genetic Group | General Nutrition related to Omega-3 fats: Individuals in this group were provided with only general nutrition information related to omega-3 fats and health. |
| BG001 | Genetic Group | Genetic information and Omega-3 fat intake: Individuals in this group were provided with general nutrition information related to omega-3 fats and health, as well as information regarding the impact of a common variant in the FADS1 gene and how this variant influences omega-3 fatty acid profiles. |
| BG002 | Total | Total of all reporting groups |
| Units | Counts |
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| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes | ||||||||||||
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| Age, Categorical | Count of Participants | Participants |
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| Sex: Female, Male | Count of Participants | Participants |
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| Region of Enrollment | Number | participants |
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| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Omega-3 Dietary Intake | Omega-3 fat intake was assessed using food frequency questionnaires. The Canadian Nutrient File (version 2015) was used to assess the amount of EPA and DHA in whole foods (e.g., fish, eggs, poultry). Data corresponds to EPA + DHA (mg /day). | Posted | Mean | Standard Error | mg/day | Baseline and 12 weeks |
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| Secondary | Change in Blood Triglycerides (Physiological Parameter) | Triglycerides were measured in fasted serum. Data is reported as mmol/L | Posted | Mean | Standard Error | mmol/L | baseline and 12 weeks |
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| Secondary | Change in Omega-3 Index in Blood (Physiological Parameter) | Blood fatty acids measured by gas chromatography. Data is reported as a percentage of all detected fatty acids. The omega-3 index is calculated by summing data for 3 omega-3 fats in serum: ALA, EPA, and DHA. | Posted | Mean | Standard Error | percentage of total fatty acids in serum | baseline and 12 weeks |
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3 months
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Non-genetic Group | General Nutrition related to Omega-3 fats: Individuals in this group were provided with only general nutrition information related to omega-3 fats and health. | 0 | 28 | 0 | 28 | 0 | 28 |
| EG001 | Genetic Group | Genetic information and Omega-3 fat intake: Individuals in this group were provided with general nutrition information related to omega-3 fats and health, as well as information regarding the impact of a common variant in the FADS1 gene and how this variant influences omega-3 fatty acid profiles. | 0 | 28 | 0 | 28 | 0 | 28 |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Dr. David M Mutch | University of Guelph | +1-519-824-4120 | 53322 | dmutch@uoguelph.ca |
| >=65 years |
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| Male |
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