The Fasting and Shifted Timing (FAST) of Eating Study (FAST)
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Fasting and time-restricted feeding (TRF) have become increasingly popular in nutrition research due to the potential health benefits they may provide. Several animal studies, and more recently some human studies, have indicated regular meal-timing (i.e. eating mostly in the day) or fasting have been beneficial for controlling weight, blood pressure, cholesterol, glucose, and insulin sensitivity.
These types of eating patterns may offer the same "anti-aging" health benefits as traditional caloric restriction (i.e. consistent and routine adherence to a very low-calorie diet).While caloric restriction is considered the gold standard for weight management, weight regain often limits the long-term effectiveness of this approach. People often experience increases in hunger, which make it difficult to sustain this type of behavior.Therefore, researchers are turning to these dietary approaches as alternatives to low-calorie diets in an effort to obtain the same benefits, but with less burden on participants.
However, it is not clear if the adherence to these types of diet protocols are any better than a low-calorie diet. Would people be more satisfied with meal-timing or fasting over a traditional very low-calorie diet? That is the main research question of this study.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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South Carolina
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Columbia, South Carolina, Forenede Stater, 29208
- University of South Carolina
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Be 18 years or older.
- Have a BMI between 25 - 49.9 kg/m2.
- Have a scale at home, or some way of weighing yourself regularly, so that you can report your body weight to the research staff.
- Be able to check emails regularly, because all of the surveys need to be completed online.
Exclusion Criteria:
- NOT be already practicing any of these fasting approaches.
- NOT currently diagnosed with diabetes.
- NOT taking any appetite suppressants or prescription weight loss medications.
- NOT planning on getting pregnant within the next 6 weeks.
- Do NOT currently have any eating disorders.
- Have NOT lost or gained a significant amount of weight (i.e. 10 pounds or more) within the last 6 months.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomiseret
- Interventionel model: Crossover opgave
- Maskning: Enkelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Eksperimentel: Time-restricted feeding (TRF)
Participants will eat the majority of their calories in the day.
More specifically participants will consume 70% of their total calories before 5 pm and the remaining 30% after 5 pm.
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Participants will receive handouts via email about how to follow each diet
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Aktiv komparator: Intermittent fasting (IF)
This involves eating all of one's meals within a specific time (e.g. 8 hours) frame and fasting for the remaining hours (16 hours) in a day.
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Participants will receive handouts via email about how to follow each diet
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Aktiv komparator: Alternate day fasting (ADF)
This involves complete fasting (i.e.
no food or caloric containing beverages, only water consumption) for roughly an entire 36-hour period, followed by an ad libitum feeding day.
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Participants will receive handouts via email about how to follow each diet
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Weight loss-week 1
Tidsramme: 1 week
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We will assess weight loss via self-report after 1 week on diet #1
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1 week
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Weight loss- week 2
Tidsramme: 1 week
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We will assess weight loss via self-report after 1 week on diet #2
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1 week
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Weight loss- week 3
Tidsramme: 1 week
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We will assess weight loss via self-report after 1 week on diet #3
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1 week
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Energy intake-week 1
Tidsramme: 6 weeks
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Energy (kcal) intake will be assessed after 1 week on diet #1
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6 weeks
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Energy intake- week 2
Tidsramme: 6 weeks
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Energy (kcal) intake will be assessed after 1 week on diet #2
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6 weeks
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Energy intake- week 3
Tidsramme: 6 weeks
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Energy (kcal) intake will be assessed after 1 week on diet #3
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6 weeks
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Gabrielle Turner-McGrievy, University of South Carolina
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- Pro00089911
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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