Glucose and Motivation States

NCT ID: NCT07255183

Last Updated: 2025-11-28

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

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-10-30

Study Completion Date

2026-08-31

Brief Summary

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The purpose of this study is to evaluate how motivation is impacted by exercise and beverage consumption. You will be asked to report to our lab for 5 visits each separated by 2+ days over a period of 2-3 weeks.

Detailed Description

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Conditions

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Motivation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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Exercise + sugar drink

Group Type EXPERIMENTAL

Exercise

Intervention Type BEHAVIORAL

Exercise 30 minutes at moderate intensity (10% below ventilatory threshold)

Sugar Drink

Intervention Type DIETARY_SUPPLEMENT

Consume 250mL beverage (water + 6 tablespoons table sugar)

Exercise + non-sugar drink

Group Type PLACEBO_COMPARATOR

Exercise

Intervention Type BEHAVIORAL

Exercise 30 minutes at moderate intensity (10% below ventilatory threshold)

Non-sugar beverage

Intervention Type DIETARY_SUPPLEMENT

Consume 250mL beverage (water + 1.5 teaspoons of stevia powder)

Rest + sugar drink

Group Type ACTIVE_COMPARATOR

Sugar Drink

Intervention Type DIETARY_SUPPLEMENT

Consume 250mL beverage (water + 6 tablespoons table sugar)

Rest + non-sugar drink

Group Type PLACEBO_COMPARATOR

Non-sugar beverage

Intervention Type DIETARY_SUPPLEMENT

Consume 250mL beverage (water + 1.5 teaspoons of stevia powder)

Interventions

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Exercise

Exercise 30 minutes at moderate intensity (10% below ventilatory threshold)

Intervention Type BEHAVIORAL

Sugar Drink

Consume 250mL beverage (water + 6 tablespoons table sugar)

Intervention Type DIETARY_SUPPLEMENT

Non-sugar beverage

Consume 250mL beverage (water + 1.5 teaspoons of stevia powder)

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Body mass index 18-30 m/kg\^2
* Health Status: generally healthy; no cardiopulmonary/metabolic/orthopedic disease or limitations
* Blood Pressure: excluded with SBP of 130+ mmHg or DBP of 80+ mmHg
* Glucose Status: excluded and instructed to seek medical consultation if fasting values are \<70 mg/dl or \>125 mg/dl; included but encouraged to seek medical consultation if fasting values are 100-125 mg/dl

Exclusion Criteria

* None
Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of South Florida

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University of South Florida

Tampa, Florida, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Marcus Kilpatrick, PhD

Role: CONTACT

Phone: 813-362-6696

Email: [email protected]

Andrea Barrows, MS

Role: CONTACT

Phone: 813-974-8127

Email: [email protected]

Facility Contacts

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Marcus Kilpatrick, PhD

Role: primary

Andrea Barrows, MS

Role: backup

Other Identifiers

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STUDY009043

Identifier Type: -

Identifier Source: org_study_id