Healthy VolunteerPhase 1/2NCT01888939
Effects of Interrupting Sedentary Behavior on Metabolic and Cognitive Outcomes in Children
A Phase 1/2 study testing Walking on a Treadmill and Sedendary Activities Only in people with Healthy Volunteer, run by Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) at 1 site in United States.
Trial summary
Background: Some studies in adults have found that insulin and glucose blood levels are lower when a long period of sitting is broken up with walking, compared to sitting without breaks. This means that the body can better process sugars when there are walking breaks during the day. Read more about this study
- Who is it for?
- Ages 7 to 11 years
- Conditions the study is for
- Healthy Volunteer
- What is being tested?
- Walking on a Treadmill and Sedendary Activities Only
- How many people
- 89 participants
- Where
- 1 siteUnited States
- Study dates
- 26 Jun 2013to 29 Jan 2018
- Phase
- Phase 1/2
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 7 to 11 years
- All sexes
- No healthy volunteers
- Child
Who may be able to join
- Participants will qualify for the study if they meet the following criteria:
- Good general health.
- Age greater than or equal to 7 and <11.99 years.
- Fasting plasma glucose < 100 mg/dL
- a) Phase 1: Body mass index (BMI) between the 5th and 85th percentiles, as determined by the CDC age- and sex- specific growth charts.
- Phase 2: BMI above the 85th percentile, as determined by the CDC age- and sex- specific growth charts.
Who cannot join
- Significant cardiac or pulmonary disease likely to or resulting in hypoxia or decreased perfusion.
- Evidence of impaired glucose tolerance or type 2 diabetes, including fasting plasma glucose greater than or equal to 100 mg/dL.
- Presence of other endocrinologic disorders leading to obesity (e.g.: Cushing Syndrome).
- Participants who have, or whose parent/guardians have, current substance abuse or a psychiatric disorder or other condition that, in the opinion of the investigators, would impede competence, compliance, or prevent the completion of the study.
- Participants who have, or are currently receiving, anti-psychotic drugs that would affect metabolism, cognitive outcomes, and body habitus.
- Participants receiving medical treatment other than diet for hypertension or dyslipidemia.
Show all 9Show fewer
- Participants with precocious puberty and/or receiving androgen and estrogen therapy.
- Participants currently taking medications for ADHD, or any disorder or use of medications known to affect body composition or weight.
- Presence of pre-existing neurocognitive disabilities, or an age-adjusted score below 85 on the Picture Vocabulary Test at the screening visit.
Trial locations and contacts
1 site in 1 country.
United States1 site
National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, 20892
About this study
Background:
- Some studies in adults have found that insulin and glucose blood levels are lower when a long period of sitting is broken up with walking, compared to sitting without breaks. This means that the body can better process sugars when there are walking breaks during the day. Researchers want to know if this is also true for children. Some studies have found that children s attention and memory might be better after exercise. Researchers want to know if short walking breaks have the same effects.
Read more
Objectives:
- To understand if breaking up sitting with walking helps children s bodies better use sugars and improves children s concentration.
Eligibility:
- Healthy children ages 7 to 11.
Design:
- Participants will be screened with a physical exam, medical history, exercise test, picture vocabulary test, and medical tests including blood tests and X-rays.
- Participants will return for two 7-hour visits. In the month before the visits, they will wear a physical activity monitor for one week so researchers know how active they are. Once they will take the sitting only test and once the sitting breaks test.
- During the sitting only test, participants will sit for 3 hours.
- During the sitting breaks test, they will sit for 3 hours with 3-minute walking breaks every 30 minutes.
- Both days, they will drink sugar water. Then the participants will have blood drawn from a needle that is kept in place, and they will wear a heart monitor. They will take attention and working memory tests on a computer and answer questions about how they feel. They will eat a meal at the end of the test day.
Read the detailed description
Prevention of pediatric obesity and its complications are U.S. public health priorities. Promoting physical activity has been proposed as an intervention strategy. Apart from reducing excessive weight, physical activity improves cardiovascular fitness, insulin sensitivity, and academic performance. However, emerging evidence in adults suggests that increased physical activity may not entirely counteract the negative health effects of a sedentary lifestyle.
Sedentary behavior is defined as a set of low-intensity activities involving limited body movement (e.g.: TV viewing, prolonged sitting). TV viewing is associated with lower cognitive functioning and depressive symptoms. Some studies found higher levels of childhood sedentary behavior predicted higher body mass index (BMI) and cholesterol in adulthood, suggesting that negative health consequences may begin early. Dunstan et al. conducted the first lab-based study in adults investigating interrupting prolonged sedentary behavior with physical activity breaks. The authors found that for overweight adults, adding 2-minute moderate-intensity walking breaks every 20 minutes reduced postprandial insulin and glucose responses by 23.0% and 29.6%, respectively. Thus, interrupting sedentary behavior may be an intervention strategy to reduce health risks.
In children, cross-sectional observational studies indicate that sedentary behavior patterns characterized by short bouts of activity are not associated with increased cardiometabolic risk. However to date, no in-lab studies have manipulated sedentary behavior in children. Therefore, we propose to conduct a randomized crossover pilot feasibility study to assess whether interrupting sedentary behavior influences metabolic and executive function, attention, mood, anxiety, and dietary intake. Children, ages 7-11 years, will complete two conditions in random order: 3 hours of prolonged sitting and 3 hours of sitting interrupted with 3 minutes of moderate-intensity walking every 30 minutes. The specific aim of this project is to investigate whether interrupting sedentary behavior improves metabolic parameters and changes executive function, attention, mood, anxiety, and dietary intake. The primary hypothesis is that postprandial insulin incremental area under the curve (iAUC) will be lower in the interrupted sitting vs. the prolonged sitting condition. The exploratory secondary hypotheses are that glucose iAUC, executive function, attention, mood, anxiety, and dietary intake will differ between the two conditions.
This project will investigate if interrupting sedentary time affects potential negative health consequences of sedentary behavior in children. If interrupting sedentary time in short bouts has beneficial effects among children, interventions examining the frequency, duration, and intensity of such interruptions could be developed. Thus, these results have the potential to provide insight into novel behavioral intervention targets in youth.
- Conditions
- Healthy Volunteer
- Being tested
- Walking on a Treadmill, Sedendary Activities Only
- Keywords
- Executive Function, Child, Obesity, Exercise, Insulin Sensitivity
- Medical subject headings
- Obesity, Motor Activity, Insulin Resistance
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Walking on a TreadmillOther
Sedendary Activities OnlyOther
What is being measured
The primary outcome is the main question the study is designed to answer.
Lower insulin incremental area under the curve (iAUC) during 3 hours after the OGTT.
Measured: 3 hours
Secondary outcomes (5)
Lower postprandial glucose iAUC during 3 hours after the OGTT.
Measured: 3 hours
Differences in executive functioning and attention scores.
Measured: 3 hours
Differences in positive and negative affect scores.
Measured: 3 hours
Differences in anxiety.
Measured: 3 hours
Differences in post-test dietary intake.
Measured: 3 hours
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted28 Jun 2013 (estimated)
- Study start26 Jun 2013
- Primary completion8 Mar 2017
- Study completion29 Jan 2018
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (4)Papers the sponsor has linked to this study.
- Other trials for Healthy VolunteerStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 1/2
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 89 participants (actual)
Sponsor and investigators
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Sponsor type
- US National Institutes of Health
- Collaborators
- National Cancer Institute (NCI), National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Responsible party
- Sponsor
- Investigators
- Jack A Yanovski, M.D., Principal investigator, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01888939
- Sponsor's protocol ID
- 130169
- Other IDs
- 13-CH-0169
- Status last verified
- 29 Jan 2018
- First submitted
- 26 Jun 2013
- Last updated
- 31 Jan 2018
- Results posted
- No
Publications
Kuczmarski RJ, Ogden CL, Guo SS, Grummer-Strawn LM, Flegal KM, Mei Z, Wei R, Curtin LR, Roche AF, Johnson CL. 2000 CDC Growth Charts for the United States: methods and development. Vital Health Stat 11. 2002 May;(246):1-190.
PubMed 12043359Jago R, Harrell JS, McMurray RG, Edelstein S, El Ghormli L, Bassin S. Prevalence of abnormal lipid and blood pressure values among an ethnically diverse population of eighth-grade adolescents and screening implications. Pediatrics. 2006 Jun;117(6):2065-73. doi: 10.1542/peds.2005-1716.
PubMed 16740849Ventura E, Davis J, Byrd-Williams C, Alexander K, McClain A, Lane CJ, Spruijt-Metz D, Weigensberg M, Goran M. Reduction in risk factors for type 2 diabetes mellitus in response to a low-sugar, high-fiber dietary intervention in overweight Latino adolescents. Arch Pediatr Adolesc Med. 2009 Apr;163(4):320-7. doi: 10.1001/archpediatrics.2009.11.
PubMed 19349560Belcher BR, Berrigan D, Papachristopoulou A, Brady SM, Bernstein SB, Brychta RJ, Hattenbach JD, Tigner IL Jr, Courville AB, Drinkard BE, Smith KP, Rosing DR, Wolters PL, Chen KY, Yanovski JA. Effects of Interrupting Children's Sedentary Behaviors With Activity on Metabolic Function: A Randomized Trial. J Clin Endocrinol Metab. 2015 Oct;100(10):3735-43. doi: 10.1210/jc.2015-2803. Epub 2015 Aug 27.
PubMed 26312582
Study at a glance
From the registry record, last updated by the sponsor on 31 Jan 2018. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Effects of Interrupting Sedentary Behavior on Metabolic and Cognitive Outcomes in Children
- ClinicalTrials.gov ID
- NCT01888939
- Acronym / sponsor ID
- 130169
- Conditions
- Healthy Volunteer
- Keywords
- Executive Function, Child, Obesity, Exercise, Insulin Sensitivity
- Phase
- Phase 1/2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 89 participants (actual)
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)US National Institutes of Health
- Collaborators
- National Cancer Institute (NCI), National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Study start
- 26 Jun 2013
- Primary completion
- 8 Mar 2017 (actual)
- Study completion
- 29 Jan 2018 (actual)
- First posted
- 28 Jun 2013 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Background:
- Some studies in adults have found that insulin and glucose blood levels are lower when a long period of sitting is broken up with walking, compared to sitting without breaks. This means that the body can better process sugars when there are walking breaks during the day. Researchers want to know if this is also true for children. Some studies have found that children s attention and memory might be better after exercise. Researchers want to know if short walking breaks have the same effects.
Objectives:
- To understand if breaking up sitting with walking helps children s bodies better use sugars and improves children s concentration.
Eligibility:
- Healthy children ages 7 to 11.
Design:
- Participants will be screened with a physical exam, medical history, exercise test, picture vocabulary test, and medical tests including blood tests and X-rays.
- Participants will return for two 7-hour visits. In the month before the visits, they will wear a physical activity monitor for one week so researchers know how active they are. Once they will take the sitting only test and once the sitting breaks test.
- During the sitting only test, participants will sit for 3 hours.
- During the sitting breaks test, they will sit for 3 hours with 3-minute walking breaks every 30 minutes.
- Both days, they will drink sugar water. Then the participants will have blood drawn from a needle that is kept in place, and they will wear a heart monitor. They will take attention and working memory tests on a computer and answer questions about how they feel. They will eat a meal at the end of the test day.
Detailed description
Prevention of pediatric obesity and its complications are U.S. public health priorities. Promoting physical activity has been proposed as an intervention strategy. Apart from reducing excessive weight, physical activity improves cardiovascular fitness, insulin sensitivity, and academic performance. However, emerging evidence in adults suggests that increased physical activity may not entirely counteract the negative health effects of a sedentary lifestyle.
Sedentary behavior is defined as a set of low-intensity activities involving limited body movement (e.g.: TV viewing, prolonged sitting). TV viewing is associated with lower cognitive functioning and depressive symptoms. Some studies found higher levels of childhood sedentary behavior predicted higher body mass index (BMI) and cholesterol in adulthood, suggesting that negative health consequences may begin early. Dunstan et al. conducted the first lab-based study in adults investigating interrupting prolonged sedentary behavior with physical activity breaks. The authors found that for overweight adults, adding 2-minute moderate-intensity walking breaks every 20 minutes reduced postprandial insulin and glucose responses by 23.0% and 29.6%, respectively. Thus, interrupting sedentary behavior may be an intervention strategy to reduce health risks.
In children, cross-sectional observational studies indicate that sedentary behavior patterns characterized by short bouts of activity are not associated with increased cardiometabolic risk. However to date, no in-lab studies have manipulated sedentary behavior in children. Therefore, we propose to conduct a randomized crossover pilot feasibility study to assess whether interrupting sedentary behavior influences metabolic and executive function, attention, mood, anxiety, and dietary intake. Children, ages 7-11 years, will complete two conditions in random order: 3 hours of prolonged sitting and 3 hours of sitting interrupted with 3 minutes of moderate-intensity walking every 30 minutes. The specific aim of this project is to investigate whether interrupting sedentary behavior improves metabolic parameters and changes executive function, attention, mood, anxiety, and dietary intake. The primary hypothesis is that postprandial insulin incremental area under the curve (iAUC) will be lower in the interrupted sitting vs. the prolonged sitting condition. The exploratory secondary hypotheses are that glucose iAUC, executive function, attention, mood, anxiety, and dietary intake will differ between the two conditions.
This project will investigate if interrupting sedentary time affects potential negative health consequences of sedentary behavior in children. If interrupting sedentary time in short bouts has beneficial effects among children, interventions examining the frequency, duration, and intensity of such interruptions could be developed. Thus, these results have the potential to provide insight into novel behavioral intervention targets in youth.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
Who may qualify
- Ages
- 7 to 11 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child
Key inclusion criteria (6 listed)
- Good general health.
- Age greater than or equal to 7 and <11.99 years.
- Fasting plasma glucose < 100 mg/dL
- a) Phase 1: Body mass index (BMI) between the 5th and 85th percentiles, as determined by the CDC age- and sex- specific growth charts.
Key exclusion criteria (9 listed)
- Significant cardiac or pulmonary disease likely to or resulting in hypoxia or decreased perfusion.
- Evidence of impaired glucose tolerance or type 2 diabetes, including fasting plasma glucose greater than or equal to 100 mg/dL.
- Presence of other endocrinologic disorders leading to obesity (e.g.: Cushing Syndrome).
- Participants who have, or whose parent/guardians have, current substance abuse or a psychiatric disorder or other condition that, in the opinion of the investigators, would impede competence, compliance, or prevent the completion of the study.
- Participants who have, or are currently receiving, anti-psychotic drugs that would affect metabolism, cognitive outcomes, and body habitus.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Walking on a Treadmill | Other | – |
| Sedendary Activities Only | Other | – |
Primary outcome
Lower insulin incremental area under the curve (iAUC) during 3 hours after the OGTT.
Time frame: 3 hours
5 secondary outcomes
Lower postprandial glucose iAUC during 3 hours after the OGTT.
Time frame: 3 hours
Differences in executive functioning and attention scores.
Time frame: 3 hours
Differences in positive and negative affect scores.
Time frame: 3 hours
Differences in anxiety.
Time frame: 3 hours
Differences in post-test dietary intake.
Time frame: 3 hours
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 31 Jan 2018.
- Background: PubMed 12043359Kuczmarski RJ, Ogden CL, Guo SS, Grummer-Strawn LM, Flegal KM, Mei Z, Wei R, Curtin LR, Roche AF, Johnson CL. 2000 CDC Growth Charts for the United States: methods and development. Vital Health Stat 11. 2002 May;(246):1-190.
- Background: PubMed 16740849Jago R, Harrell JS, McMurray RG, Edelstein S, El Ghormli L, Bassin S. Prevalence of abnormal lipid and blood pressure values among an ethnically diverse population of eighth-grade adolescents and screening implications. Pediatrics. 2006 Jun;117(6):2065-73. doi: 10.1542/peds.2005-1716.
- Background: PubMed 19349560Ventura E, Davis J, Byrd-Williams C, Alexander K, McClain A, Lane CJ, Spruijt-Metz D, Weigensberg M, Goran M. Reduction in risk factors for type 2 diabetes mellitus in response to a low-sugar, high-fiber dietary intervention in overweight Latino adolescents. Arch Pediatr Adolesc Med. 2009 Apr;163(4):320-7. doi: 10.1001/archpediatrics.2009.11.
- Derived from this study: PubMed 26312582Belcher BR, Berrigan D, Papachristopoulou A, Brady SM, Bernstein SB, Brychta RJ, Hattenbach JD, Tigner IL Jr, Courville AB, Drinkard BE, Smith KP, Rosing DR, Wolters PL, Chen KY, Yanovski JA. Effects of Interrupting Children's Sedentary Behaviors With Activity on Metabolic Function: A Randomized Trial. J Clin Endocrinol Metab. 2015 Oct;100(10):3735-43. doi: 10.1210/jc.2015-2803. Epub 2015 Aug 27.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Jack A Yanovski, M.D. principal investigator
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1/2 study testing Walking on a Treadmill and Sedendary Activities Only in people with Healthy Volunteer, run by Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 6 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 31 Jan 2018. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this combined phase mean?
Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Lower insulin incremental area under the curve (iAUC) during 3 hours after the OGTT. (time frame: 3 hours). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01888939, which also lists 4 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 31 Jan 2018.