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The Fasting and Shifted Timing (FAST) of Eating Study (FAST)

26. april 2021 opdateret af: Brie Turner-McGrievy, University of South Carolina
The aim of this study is to assess peoples' satisfaction with their diet based on adhering to three different meal-timing protocols for one week each: (1) Time-restricted feeding (TRF); (2) Intermittent fasting (IF); and (3) Alternate day fasting (ADF). The overall goal of this study is to determine if people would find it easy or difficult to follow these diet protocols for the purpose of weight management.

Studieoversigt

Status

Afsluttet

Betingelser

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

Interventionel

Tilmelding (Faktiske)

28

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Forenede Stater
    • South Carolina
      • Columbia, South Carolina, Forenede Stater, 29208
        • University of South Carolina

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

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

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Ikke-randomiseret
  • Interventionel model: Crossover opgave
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
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.
Adfærdsmæssigt: Online handouts describing how to follow each diet for 1 week each
Participants will receive handouts via email about how to follow each diet
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.
Adfærdsmæssigt: Online handouts describing how to follow each diet for 1 week each
Participants will receive handouts via email about how to follow each diet
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.
Adfærdsmæssigt: Online handouts describing how to follow each diet for 1 week each
Participants will receive handouts via email about how to follow each diet

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Weight loss-week 1
Tidsramme: 1 week
We will assess weight loss via self-report after 1 week on diet #1
1 week
Weight loss- week 2
Tidsramme: 1 week
We will assess weight loss via self-report after 1 week on diet #2
1 week
Weight loss- week 3
Tidsramme: 1 week
We will assess weight loss via self-report after 1 week on diet #3
1 week

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Energy intake-week 1
Tidsramme: 6 weeks
Energy (kcal) intake will be assessed after 1 week on diet #1
6 weeks
Energy intake- week 2
Tidsramme: 6 weeks
Energy (kcal) intake will be assessed after 1 week on diet #2
6 weeks
Energy intake- week 3
Tidsramme: 6 weeks
Energy (kcal) intake will be assessed after 1 week on diet #3
6 weeks

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

University of South Carolina

Efterforskere

  • Ledende efterforsker: Gabrielle Turner-McGrievy, University of South Carolina

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

19. juni 2019

Primær færdiggørelse (Faktiske)

31. juli 2020

Studieafslutning (Faktiske)

1. august 2020

Datoer for studieregistrering

Først indsendt

19. august 2020

Først indsendt, der opfyldte QC-kriterier

21. august 2020

Først opslået (Faktiske)

27. august 2020

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

28. april 2021

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

26. april 2021

Sidst verificeret

1. april 2021

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • Pro00089911

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

Ingen

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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