- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03473145
Sedentary Behavior Interrupted Randomized Controlled Trial (P2)
May 12, 2023 updated by: Sheri Hartman, University of California, San Diego
Sedentary Behavior Interrupted: A Randomized Trial of 3-month Effects on Biomarkers of Healthy Aging and Physical Functioning in the Real World (Project 2)
Epidemiological findings indicate that older adults do not meet physical activity (PA) guidelines & spend up to 11 hrs/day sitting.
Given the high prevalence of sedentary behavior (SB), the higher chronic disease risk in this population, & the age-associated challenges of meeting traditional PA guidelines, involving longer bouts of moderate PA, the investigators hypothesize that older adult health will benefit from new strategies to interrupt sitting.
This protocol "Sedentary Behavior Interrupted: A randomized trial of 3-month effects on biomarkers of healthy aging and physical functioning in the real world (Project 2)" is part of a National Institutes of Aging Program Grant called "Sedentary Time & Aging Mortality and Physical Function (STAR).
The overall purpose of the STAR program to is to better understand how to interrupt sitting time and the consequences for healthy aging in postmenopausal women.
This protocol (also referred to Project 2 of the STAR program) is a 3-arm randomized control trial designed to assess ways of interrupting sitting in 405 overweight, postmenopausal women.
Study Overview
Status
Active, not recruiting
Conditions
Detailed Description
Primary Aims:
In our primary biomarker outcomes of glucose regulation (fasting insulin & glucose, HbA1c, HOMA-IR) & blood pressure (BP):
- Investigate the 12 week effects of increased standing and additional brief sit-to-stand compared to attention controls.
- Investigate the dose-response effects of behavioral change on the biomarkers & BP.
Secondary aims
- Assess the effect of changes in standing and sit-to-stand transitions at 12 weeks on physical, emotional & cognitive functioning.
- Assess the effect of changes in standing and sit-to-stand transitions at 12 weeks on in vivo skeletal muscle mitochondrial function.
Exploratory aims
- Explore the possible modifying effect of age on the relationship between intervention conditions & primary & secondary outcomes.
- Explore the psychosocial & environmental mediators & moderators of changes in sitting time, standing time, and transitions.
- Explore differences in outcomes between the 2 sitting interruption conditions.
Study Type
Interventional
Enrollment (Anticipated)
405
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
California
-
La Jolla, California, United States, 92093
- UC San Diego
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
55 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- Female;
- 55 years of age and above;
- any ethnicity or race;
- screened to sit for 7 or more hours per day, perform less than 70 sit-to-stand transitions per day
- ambulatory;
- medically stable without any health conditions that would inhibit standing or PA;
- able to give informed consent & comply with study protocols;
- able to read and write fluently in English;
- able to travel to study visits; and
- no menstruation for at least one year;
- BMI 25-45
- able to walk, stand and transition without high risk of falling.
Exclusion Criteria:
- Male;
- younger than 55 years of age;
- sit for less than 7 hours per day, perform 71 or more sit-to-stand transitions per day
- mental state that would preclude complete understanding of the protocol or compliance;
- physical limitations to completing any of the study conditions;
- menstruation less than one year prior;
- unable to complete the Short Physical Performance Battery,
- Active cancer
- body Mass Index <25 or >45kg/m2,
- use of insulin
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Health Living Attention Control
Participants in the attention control condition will receive a healthy aging educational intervention.
This group will receive one in-person health coaching sessions and 6 phone counseling sessions.
|
Health Coaching sessions will be aimed at goal setting, implementing strategies, overcoming barriers, & relapse prevention.
|
Experimental: Reduce Sitting
Participants in the Reduce Sitting condition will receive an intervention aimed at reducing daily sitting time.
This group will receive five in-person health coaching sessions and two phone counseling sessions.
|
Health Coaching sessions will be aimed at goal setting, implementing strategies, overcoming barriers, & relapse prevention.
Participants in the intervention study arms (B & C) will wear the ActivPAL device for the first 4 weeks of the program and then again in weeks 8 and 9.
The device will monitor their sitting and standing time and will allow Health Coaches to provide feedback and will assist the participant in developing an action plan.
Participants in the intervention study arms (B & C) will receive tools to prompt standing or sit-to-stand transitions such as wearable wrist devices, standing desks or tables (Group B only), mechanical and/or electronic timers, or access to mobile apps or computer programs.
|
Experimental: Sit-to-Stand Transition
Participants in the Sit-to-Stand Transition condition will receive an intervention aimed at increasing the daily number of brief sit-to-stand transitions.
This group will receive five in-person health coaching sessions and two phone counseling sessions.
|
Health Coaching sessions will be aimed at goal setting, implementing strategies, overcoming barriers, & relapse prevention.
Participants in the intervention study arms (B & C) will wear the ActivPAL device for the first 4 weeks of the program and then again in weeks 8 and 9.
The device will monitor their sitting and standing time and will allow Health Coaches to provide feedback and will assist the participant in developing an action plan.
Participants in the intervention study arms (B & C) will receive tools to prompt standing or sit-to-stand transitions such as wearable wrist devices, standing desks or tables (Group B only), mechanical and/or electronic timers, or access to mobile apps or computer programs.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Glucose Regulation
Time Frame: 3 months
|
Investigate the 12 week effects of increased standing and additional brief sit-to-stand compared to attention controls.
|
3 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Functional Changes
Time Frame: 3 months
|
1. Assess the effect of changes in standing and sit-to-stand transitions at 12 weeks on physical, emotional & cognitive functioning.
|
3 months
|
Mitochondrial Function
Time Frame: 3 months
|
2. Assess the effect of changes in standing and sit-to-stand transitions at 12 weeks on in vivo skeletal muscle mitochondrial function.
|
3 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
May 30, 2018
Primary Completion (Actual)
December 31, 2022
Study Completion (Anticipated)
December 31, 2023
Study Registration Dates
First Submitted
March 14, 2018
First Submitted That Met QC Criteria
March 14, 2018
First Posted (Actual)
March 22, 2018
Study Record Updates
Last Update Posted (Actual)
May 15, 2023
Last Update Submitted That Met QC Criteria
May 12, 2023
Last Verified
May 1, 2023
More Information
Terms related to this study
Other Study ID Numbers
- 1P01AG052352-01A1 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
UNDECIDED
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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