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- Klinische proef NCT02258477
A Pilot Study: Snacking, Willpower and Glucose Availability (SWG)
Studie Overzicht
Toestand
Conditie
Gedetailleerde beschrijving
Studietype
Inschrijving (Werkelijk)
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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Colorado
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Aurora, Colorado, Verenigde Staten, 80045
- Anschutz Health and Wellness Center
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- Females ages 18 - 65 years.
- Self-identify as regular snackers, with a specific problem food, who have trouble with over-consuming this snack food.
- Have intentionally lost weight in the last year and are seeking to maintain that weight loss or have unintentionally gained weight in the last year and are concerned about it.
- Generally healthy.
Exclusion Criteria:
- Pregnant or trying to become pregnant.
- Diagnosis of type 1 or type 2 diabetes
- Not willing or able to follow study guidelines (ie: consuming the study beverage daily for four weeks, or completing daily compliance logs)
- Current smoker (or has stopped smoking within the last 6 months)
- Taking medications that could cause weight loss or weight gain (such as steroids, tricyclic antidepressants, chemotherapy, antipsychotics, prescribed or over the counter weight loss agents, etc).
- Current or history of eating disorder (anorexia, bulimia, or diagnosed binge eating disorder)
- Current alcohol or drug abuse or dependence
- Any medical condition for which daily snacking of such problem foods would be inadvisable (i.e.: a subject with hypertension advised to avoid sodium).
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Toewijzing: Gerandomiseerd
- Interventioneel model: Crossover-opdracht
- Masker: Verviervoudigen
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
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Actieve vergelijker: Sequence 1 (D-B-A-C)
100 calorie beverage during week 1; 10 calorie beverage during week 2; control beverage beverage during week 3; 50 calorie beverage during week 4.
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100 calorie beverage during week 1; 10 calorie beverage during week 2; control beverage beverage during week 3; 50 calorie beverage during week 4.
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Actieve vergelijker: Sequence 2 (A-D-C-B)
Control beverage during week 1; 100 calorie beverage during week 2; 50 calorie beverage during week 3; 10 calorie beverage during week 4.
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Control beverage during week 1; 100 calorie beverage during week 2; 50 calorie beverage during week 3; 10 calorie beverage during week 4.
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Actieve vergelijker: Sequence 3 (C-A-B-D)
50 calorie beverage during week 1; control beverage during week 2; 10 calorie beverage during week 3; 100 calorie beverage during week 4.
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50 calorie beverage during week 1; control beverage during week 2; 10 calorie beverage during week 3; 100 calorie beverage during week 4.
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Actieve vergelijker: Sequence 4 (B-C-D-A)
10 calorie beverage during week 1; 50 calorie beverage during week 2; 100 calorie beverage during week 3; control beverage during week 4.
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10 calorie beverage during week 1; 50 calorie beverage during week 2; 100 calorie beverage during week 3; control beverage during week 4.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Responses to the Control of Eating Questionnaire
Tijdsspanne: 4 weeks
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Study participant will complete Eating Questionnaire at baseline and the next 4 visits. Each questionnaire item used a likert scale (with ratings from 1 - 10). All question pertain to the last 7 days. Questionnaire items #9 asked "what one food makes it most difficult for you to control eating?" and question #10 asked " What time are you particularly vulnerable to this one food." Higher ratings are consistent with a more significant or more frequent outcome. Note that values in the data table below are absolute scores at each week that the subject consumed the noted treatment dose. As subjects were randomized to different sequence orders to receive the study beverages, subjects consumed any given treatment dose at different weeks (depending on their randomized sequence order). |
4 weeks
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Number of Days That a Problem Snack Food Was Consumed at the Identified Time of Waning Dietary Self-control.
Tijdsspanne: 4 weeks
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Study participant will record if the problem snack was consumed each day within the 3 hour period following consumption of the study beverage. Note that the values in the data table below reflect the percentage of days within a week that subjects within each treatment dose consumed a problem snack food at the identified time of waning dietary self-control. The data does not represent change from baseline, but rather percentage of days within a week (calculated by how many days within a week subject consumed the problem snack food at the identified time of waning dietary self-control/ 7 days in a week) and can be compared week by week to see if there is any significant difference weekly when consuming a different dose of glucose. |
4 weeks
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Number of Days That a Problem Snack Food Was Consumed at Any Time of Day in a Week.
Tijdsspanne: 4 weeks
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Study participant will record daily the time problem snack food was consumed.
Note that the values in the data table below reflect the percentage of days within a week that subjects within each treatment dose consumed a problem snack food at any time of day.
The data does not represent change from baseline, but rather percentage of days within a week (calculated by how many days within a week subject consumed the problem snack food at any time of day/ 7 days in a week) and can be compared week by week to see if there is any significant difference weekly when consuming a different dose of glucose.
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4 weeks
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Medewerkers en onderzoekers
Sponsor
Medewerkers
Onderzoekers
- Hoofdonderzoeker: James O Hill, PhD, Anschutz Health and Wellness Center
Publicaties en nuttige links
Algemene publicaties
- Hand GA, Shook RP, Paluch AE, Baruth M, Crowley EP, Jaggers JR, Prasad VK, Hurley TG, Hebert JR, O'Connor DP, Archer E, Burgess S, Blair SN. The energy balance study: the design and baseline results for a longitudinal study of energy balance. Res Q Exerc Sport. 2013 Sep;84(3):275-86. doi: 10.1080/02701367.2013.816224.
- Chang SH, Pollack LM, Colditz GA. Life Years Lost Associated with Obesity-Related Diseases for U.S. Non-Smoking Adults. PLoS One. 2013 Jun 18;8(6):e66550. doi: 10.1371/journal.pone.0066550. Print 2013.
- Dulloo AG. Explaining the failures of obesity therapy: willpower attenuation, target miscalculation or metabolic compensation? Int J Obes (Lond). 2012 Nov;36(11):1418-20. doi: 10.1038/ijo.2012.114. No abstract available.
- Masicampo EJ, Baumeister RF. Toward a physiology of dual-process reasoning and judgment: lemonade, willpower, and expensive rule-based analysis. Psychol Sci. 2008 Mar;19(3):255-60. doi: 10.1111/j.1467-9280.2008.02077.x.
- Littell, Ramon C., George A. Milliken, Walter W. Stroup, Russell D. Wolfinger, and O Schabenberger. 2006. SAS@ for Mixed Models, Second Edition. Cary, NC: SAS Institute.
- Gailliot MT, Baumeister RF. The physiology of willpower: linking blood glucose to self-control. Pers Soc Psychol Rev. 2007 Nov;11(4):303-27. doi: 10.1177/1088868307303030.
- Hofmann W, Adriaanse M, Vohs KD, Baumeister RF. Dieting and the self-control of eating in everyday environments: an experience sampling study. Br J Health Psychol. 2014 Sep;19(3):523-39. doi: 10.1111/bjhp.12053. Epub 2013 Jun 10.
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Andere studie-ID-nummers
- 14-1485
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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