Postprandial Effects of Animal Versus Plant-Based Protein

NCT ID: NCT06445296

Last Updated: 2024-06-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-11-01

Study Completion Date

2024-12-01

Brief Summary

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Shifting away from diets high in animal products towards more plant predominant diets is recommended by many health organizations to both reduce the negative environmental impacts of animal agriculture and to improve health outcomes. As a result, a number of plant-based meat alternatives such as Beyond Meat have been formulated to promote increased plant consumption. However, evidence is limited on the impact of newer plant-based meat alternatives on common cardiometabolic risk factors. The investigators aim to compare the acute metabolic, gastrointestinal, and inflammatory effects of a plant-based meat alternative (i.e., Beyond Meat) versus a comparable beef product within the context of high-fat, "Western-style" meal (i.e., eggs, meat, refined bread product). The investigators will also examine whether these responses differ based on whether individuals have a normal-weight or have overweight/obesity.

Detailed Description

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The investigators will recruit individuals with a BMI in the normal (18.5-24.9 kg/m2) or overweight/ obesity (\>25.0 kg/m2) ranges from the Ball State University campus and surrounding communities. Each participant will complete two meal trials in a randomized crossover design. At each meal trial, a intravenous catheter will be inserted and baseline blood sample collected. Next, participants will consume a high-fat, Western style meal consisting of eggs cooked in butter, a croissant and either 4 oz of 80% ground beef or 4 oz of Beyond Meat ("Cookout Classic" variety). The Beyond Meat and beef products have nearly identical macronutrient profiles, allowing for examination of the unique properties of the two protein sources. Regardless of primary protein source (beef or Beyond Meat), each meal will contain 980 calories (60g fat). Following completion of each meal, blood samples will also be collected 1-, 2-, 3-, and 4-hours. The investigators will measure metabolic markers (i.e., triglycerides, glucose, HDL-C) immediately upon sample collection using the Piccolo Xpress clinical chemistry analyzer. Additional blood will be collected and stored as serum in order to measure indicators of inflammation (e.g., IL-6) and intestinal permeability (e.g., lipopolysaccharide binding protein) using commercially available ELISAs.

Conditions

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Overweight or Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Participants
While complete blinding is not possible (participants will see/taste the food they eat), the investigators will not tell participants whether they are consuming beef or Beyond Meat.

Study Groups

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Meal Consumption with Beyond Meat

During the Beyond Meat arm, participants will consume a high-fat meal containing Beyond Meat (rather than beef). Meals will be otherwise identical.

Group Type EXPERIMENTAL

High-fat meal containing Beyond Meat

Intervention Type OTHER

High-fat meal (eggs cooked in butter, croissant) with Beyond Meat Cookout Classic.

Meal Consumption with Beef

During the Beef arm, participants will consume a high-fat meal containing beef (rather than Beyond Meat). Meals will be otherwise identical.

Group Type ACTIVE_COMPARATOR

High-fat meal containing beef

Intervention Type OTHER

High-fat meal (eggs cooked in butter, croissant) with 80% ground beef.

Interventions

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High-fat meal containing beef

High-fat meal (eggs cooked in butter, croissant) with 80% ground beef.

Intervention Type OTHER

High-fat meal containing Beyond Meat

High-fat meal (eggs cooked in butter, croissant) with Beyond Meat Cookout Classic.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* 18 - 50 years.
* Body mass index \> 18.5 kg/m2
* Not pregnant (females only)
* Not postmenopausal (females only).
* Not been diagnosed with cardiovascular disease.
* Not been diagnosed with a cardiometabolic conditions (e.g., type 2 diabetes)
* Not been diagnosed with a chronic inflammatory condition (e.g., rheumatoid arthritis, inflammatory bowel disease).
* Does not regularly take anti-inflammatory drugs (more than 2x week).
* Does not use glucose-lowering drugs (e.g., metformin)
* Does not use lipid-lowering drugs (e.g., statins)
* Does not use tobacco products or any illicit drugs.
* Does not have a pacemaker.
* Can consume pea products (Beyond Meat is made from pea protein).

Exclusion Criteria

* Not between the ages of 18-50
* Body mass index \< 18.5 kg/m2
* Pregnant (females only)
* Postmenopausal status (females only).
* Been diagnosed with cardiovascular disease.
* Been diagnosed with a cardiometabolic conditions (e.g., type 2 diabetes)
* Been diagnosed with a chronic inflammatory condition (e.g., rheumatoid arthritis, inflammatory bowel disease).
* Regularly take anti-inflammatory drugs (more than 2x week).
* Uses glucose-lowering drugs (e.g., metformin)
* Uses lipid-lowering drugs (e.g., statins)
* Uses tobacco products or any illicit drugs.
* Have a pacemaker.
* Allergic to pea products (Beyond Meat is made from pea protein).
Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Ball State University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Bryant Keirns

Role: PRINCIPAL_INVESTIGATOR

Ball State University

Locations

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Health Professions Building, Ball State University

Muncie, Indiana, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Bryant Keirns, PhD

Role: CONTACT

765-285-8356

Facility Contacts

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Bryant Keirns, PhD

Role: primary

765-285-8356

References

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Fruit S, Keirns N, Higgins M, Quirk A, Schifferer J, Romanovich O, Yakos A, Osborne K, Trappe S, Keirns BH. Acute effects of a reformulated plant-based meat alternative compared to beef within a high-fat meal on inflammatory and metabolic factors: a randomized crossover trial. Appl Physiol Nutr Metab. 2025 Jan 1;50:1-11. doi: 10.1139/apnm-2024-0498.

Reference Type DERIVED
PMID: 40127469 (View on PubMed)

Other Identifiers

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2103201

Identifier Type: -

Identifier Source: org_study_id

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