- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT02258477
A Pilot Study: Snacking, Willpower and Glucose Availability (SWG)
Přehled studie
Postavení
Podmínky
Detailní popis
Typ studie
Zápis (Aktuální)
Fáze
- Nelze použít
Kontakty a umístění
Studijní místa
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Colorado
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Aurora, Colorado, Spojené státy, 80045
- Anschutz Health and Wellness Center
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Popis
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).
Studijní plán
Jak je studie koncipována?
Detaily designu
- Přidělení: Randomizované
- Intervenční model: Crossover Assignment
- Maskování: Čtyřnásobek
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
|---|---|
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Aktivní komparátor: 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.
|
|
Aktivní komparátor: 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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Aktivní komparátor: 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.
|
50 calorie beverage during week 1; control beverage during week 2; 10 calorie beverage during week 3; 100 calorie beverage during week 4.
|
|
Aktivní komparátor: 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.
|
10 calorie beverage during week 1; 50 calorie beverage during week 2; 100 calorie beverage during week 3; control beverage during week 4.
|
Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Responses to the Control of Eating Questionnaire
Časové okno: 4 weeks
|
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
|
Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Number of Days That a Problem Snack Food Was Consumed at the Identified Time of Waning Dietary Self-control.
Časové okno: 4 weeks
|
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.
Časové okno: 4 weeks
|
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.
|
4 weeks
|
Spolupracovníci a vyšetřovatelé
Sponzor
Spolupracovníci
Vyšetřovatelé
- Vrchní vyšetřovatel: James O Hill, PhD, Anschutz Health and Wellness Center
Publikace a užitečné odkazy
Obecné publikace
- 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.
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia
Primární dokončení (Aktuální)
Dokončení studie (Aktuální)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Odhad)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Odhad)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Další identifikační čísla studie
- 14-1485
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