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Status unknownNCT02763449AAAUpdated May 5, 2016

Appetite and Adiposity Across a Continuum of Activity

An interventional study of Self-monitoing in Physical Activity and Sedentary Behavior, sponsored by Iowa State University. Status unknown. Open to participants aged 25 Years to 35 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2016-05-05.

Sponsored by Iowa State University · Not applicable, Interventional, and Basic science

The sponsor has not verified this record recently (last verified May 2016), so the status shown — last known as Not yet recruiting — may be out of date.
Phase
Not applicable
Study type
Interventional
Enrollment
40
Allocation
Randomized
Ages
25 Years to 35 Years
Sex
All
01

Study summary

The purpose of this study is to understand what happens when someone either becomes more active or more inactive. This study will measure your energy intake, energy expenditure, and body composition under normal conditions, when you become active, and when you become inactive.

02

Conditions studied

  • Physical Activity and Sedentary Behavior

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03

In context

Obesity

6,296 studies on the registry are indexed under Obesity; 1,692 are open to participants now.

This study's planned enrollment of 40 is below the median of 78 across 4,878 interventional studies indexed under Obesity.

Browse Obesity studies →

Lead sponsor

Iowa State University is the lead sponsor of 36 studies on the registry; 6 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
25 Years to 35 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Men and women

    • Age 25-35 yrs
    • BMI ≥25.0 to \<35.0 kg/m2
    • Subjective physical activity (pre run-in): Sedentary for the previous 3 months (\< 20min, 3 times/week of structured exercise)
    • Objective physical activity (run-in): daily steps/day >4500 yet \<7,000 during 7 day run-in period
    • Weight-stable (± 5%) within the previous 3 months
    • Non-smoking for last year
    • Able to provide own transportation to study visits and intervention
    • Not currently involved in any other research study
    • Willing and able to participate in all aspects of the trial including research testing
    • Willing to give informed consent to participate
    • Able to participate in a moderate physical exercise program

Exclusion criteria

Exclusion Criteria:

  • Self-reported significant cardiovascular disease including but not limited to serious arrhythmias, cardiomyopathy, congestive heart failure, myocardial infarction, stroke

    • Other self-reported medical conditions including but not limited to metabolic disorders such as diabetes, chronic or recurrent respiratory conditions, active cancer, musculoskeletal disease interfering with exercise, or any serious medical condition that may affect adherence to the protocol or exercising safely, or be aggravated by exercise
    • Medications known to affect exercise performance or metabolism (e.g. thyroid medication, beta-blockers, or stimulants)
    • Excess caffeine use (> 500mg/day)
    • Restrained eater (>13) on the restraint section of the three-factor eating questionnaire
    • Current or past diagnosis of an eating disorder
    • Any self-reported contraindications to exercise according to the American College of Sports Medicine criteria
    • Pregnant or actively trying to become pregnant
    • Gave birth in the past 12 months or \<6 months post-lactation
    • Other medical, psychiatric or behavioral factors that in the judgment of the principal investigator may interfere with study participation or the ability to follow the intervention protocol.
    • Known allergy to the metal nickel
    • Known allergies to pasta or tomato sauce
05

Study design

Phase
Not applicable
Primary purpose
Basic science
Allocation
Randomized
Intervention model
Crossover assignment
Masking
None (open label)
Enrollment
40 participants (estimated)

Study arms

  • Experimental
    Sedentary

    Individuals will reduce their physical activity level for 14-days

    Behavioral: Self-monitoing

  • Experimental
    Active

    Individuals will increase their physical activity level for 14-days

    Behavioral: Self-monitoing

Interventions

  • BehavioralSelf-monitoing

    Participants will self-monitor their physical activity level via activity monitors

06

What researchers measure

Primary outcomes

  1. Appetite- subjective

    Change in appetite will be assessed through subjective ratings of hunger and fullness

    Time frame: 14 days

Secondary outcomes

  1. Appetite- objective

    Change in appetite will be assessed through objective measures of appetite-related hormones

    Time frame: 14 days

07

Study locations

No study locations are listed for this record.

08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 5, 2016, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02763449
Lead sponsor
Iowa State University
Responsible party
Robin Shook (Assistant Professor, Iowa State University) — Principal investigator
First posted
May 5, 2016
Start date
May 2016
Primary completion
Oct 2017 (estimated)
Completion
Dec 2018 (estimated)
Last update
May 5, 2016

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in May 2016. You cannot join it, but the record below documents what was studied.

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