Protein and Satiety in Older Adults (PROSAT)

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

COMPLETED

Clinical Phase

NA

Total Enrollment

38 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-11-19

Study Completion Date

2022-08-23

Brief Summary

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This study aims to assess the effect of protein on appetite, food intake and gastric emptying in older adults (≥ 65 years) that are more and less active.

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Detailed Description

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To investigate the differences in food intake in older adults that are more or less active and assess any differential responses to protein intake.

To compare the effect of meals with high or low protein level but equal in energy and volume on appetite and gastric emptying in older adults that are more or less active (≥ 65 years).

Conditions

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Appetitive Behavior Gastric Emptying Physical Activity Energy Intake

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Participants

Single (Participants)

Study Groups

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High Physically Active Group

Based on accelerometer data, women with 162 ≥ min/per day moderate and vigorous activity or men 133.25 ≥ min/per day moderate and vigorous activity.

Group Type EXPERIMENTAL

High Protein Milkshake

Intervention Type OTHER

A milkshake with high protein level; including whey protein, fat free strawberry yogurt and whole milk - 337 kcal, 27 g carbohydrate, 57 g protein, 16 g fat.

Normal Milkshake

Intervention Type OTHER

A milkshake with normal protein level; including nesquik (strawberry), fat free strawberry yogurt, whole milk, double cream, whey protein and sweetener - 331 kcal, 64 g carbohydrate, 17 g protein, 19 g fat.

Low Physically Active Group

Based on accelerometer data, women with 108.25 ≤ min/per day moderate and vigorous activity or men 100.1 ≤ min/per day moderate and vigorous activity.

Group Type EXPERIMENTAL

High Protein Milkshake

Intervention Type OTHER

A milkshake with high protein level; including whey protein, fat free strawberry yogurt and whole milk - 337 kcal, 27 g carbohydrate, 57 g protein, 16 g fat.

Normal Milkshake

Intervention Type OTHER

A milkshake with normal protein level; including nesquik (strawberry), fat free strawberry yogurt, whole milk, double cream, whey protein and sweetener - 331 kcal, 64 g carbohydrate, 17 g protein, 19 g fat.

Interventions

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High Protein Milkshake

A milkshake with high protein level; including whey protein, fat free strawberry yogurt and whole milk - 337 kcal, 27 g carbohydrate, 57 g protein, 16 g fat.

Intervention Type OTHER

Normal Milkshake

A milkshake with normal protein level; including nesquik (strawberry), fat free strawberry yogurt, whole milk, double cream, whey protein and sweetener - 331 kcal, 64 g carbohydrate, 17 g protein, 19 g fat.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* healthy
* aged ≥ 65 years

Exclusion Criteria

* having diabetes or disability or any disease that are likely to influence physical activity or appetite.
* having an allergy to any of the test foods;
* disliking or cannot eat any of the test foods;
* being obese (BMI \> 30 kg/m2);
* taking medications known to influence appetite, food intake or body weight in the past three months;
* being on a weight loss diet;
* smoking more than 10 cigarettes a day;
* not meeting the cut-off point criteria based on the accelerometer data (108.25 ≤ min/per day of moderate and vigorous activity for women or 162 ≥ min/per day moderate and vigorous activity for women and 100.1 ≤ min/per day of moderate and vigorous activity for men or 133.25 ≥ min/per day moderate and vigorous activity for men).

Minimum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes