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Application of New Technologies and Tools to Nutrition Research (NutriTech)

13. januar 2020 oppdatert av: Imperial College London
The overall objective of the research is to develop new methods for studying the link between diet, health and disease.

Studieoversikt

Status

Fullført

Forhold

Detaljert beskrivelse

The enquiry consists of two part. A metabolomic biomarker discovery study followed by a randomised controlled trial of moderate dietary induced weight loss.

A cohort of moderately overweight men and women will undergo a metabolomic study follow by randomised controlled trial of a healthy diet with a 20% energy restriction for a 12 week period. This intervention will improve the volunteer's body composition and reduce their risk of developing diabetes.

Extensive tests will be conducted before and after the dietary intervention using emerging technologies with current state-of-the-art methods. These tests will monitor the numerous physiological adaptations that have occurred on a gene, cell, organ and organismic level.

The study will, therefore, aim for a scientific breakthrough by developing a series of novel biological "markers" that can accurately determine an individual's health status.

Studietype

Intervensjonell

Registrering (Faktiske)

36

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

      • London, Storbritannia, W12 0NN
        • Imperial College London

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

50 år til 65 år (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Healthy overweight volunteers (body mass index (BMI) of 25-30 kg/m2)
  • Age between 50-65 years

Exclusion Criteria:

  • Weight change of ≥ 3kg in the preceding 3 months
  • Current smokers
  • Substance abuse
  • Excess alcohol intake
  • Pregnancy
  • Diabetes
  • Cardiovascular disease
  • Cancer
  • Gastrointestinal disease e.g. inflammatory bowel disease or irritable bowel syndrome
  • Kidney disease
  • Liver disease
  • Pancreatitis
  • Have any metallic or magnetic implants such as pacemakers
  • Use of medications likely to interfere with energy metabolism, appetite regulation and hormonal balance, including: anti inflammatory drugs or steroids, antibiotics, androgens, phenytoin, erythromycin or thyroid hormones.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Diagnostisk
  • Tildeling: Randomisert
  • Intervensjonsmodell: Faktoriell oppgave
  • Masking: Dobbelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Life style advice
reduce energy intake by 20% less than estimated energy expenditure.
Metabolomic inquiry followed by a 12 week energy intake restriction. This study is part of a very large European study called EPIC. Only the results by Lee et al. 2016 have been presented here. The results of the study published by Cheung 2017 are from a different study. therefore the entries for the results are correct. For this particular study, participants were not randomly assigned to one of five different diets; red meat, fish, poultry, processed meat or a supplement and vegetarian option. In summary, both studies (lee and cheung) are considered as separate trials and results of the first phase where participants were assigned to one of five different diets, are reported separately. Unfortunately no different NCT number is available.
Andre navn:
  • Energibegrensende diett
  • Metabolomisk
Aktiv komparator: UK background diet
Diet where energy intake will be matched with estimated energy expenditure.
Metabolomic inquiry followed by a 12 week energy intake restriction. This study is part of a very large European study called EPIC. Only the results by Lee et al. 2016 have been presented here. The results of the study published by Cheung 2017 are from a different study. therefore the entries for the results are correct. For this particular study, participants were not randomly assigned to one of five different diets; red meat, fish, poultry, processed meat or a supplement and vegetarian option. In summary, both studies (lee and cheung) are considered as separate trials and results of the first phase where participants were assigned to one of five different diets, are reported separately. Unfortunately no different NCT number is available.
Andre navn:
  • Energibegrensende diett
  • Metabolomisk
Annen: Metabolomic inquiry
This inquiry took place prior to the randomized controlled trial and include 50 volunteers who will then be asked to volunteers of the weight loss study. Were randomly assigned to one of five different diets; red meat, fish, poultry, processed meat or a supplement and vegetarian option.
Metabolomic inquiry followed by a 12 week energy intake restriction. This study is part of a very large European study called EPIC. Only the results by Lee et al. 2016 have been presented here. The results of the study published by Cheung 2017 are from a different study. therefore the entries for the results are correct. For this particular study, participants were not randomly assigned to one of five different diets; red meat, fish, poultry, processed meat or a supplement and vegetarian option. In summary, both studies (lee and cheung) are considered as separate trials and results of the first phase where participants were assigned to one of five different diets, are reported separately. Unfortunately no different NCT number is available.
Andre navn:
  • Energibegrensende diett
  • Metabolomisk

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Insulin Sensitivity
Tidsramme: Baseline, 12 weeks
Glucose Infusion rate assessed by the euglycemic hyperinsulinemic clamp. Insulin Sensitivity assessment was only performed in the "Exercise" and "Exercise, Control" groups. No data were collected for this Outcome from the remaining groups.
Baseline, 12 weeks
Metabolomic Biomarker Discovery - Changes in Blood Plasma Cholesterol
Tidsramme: Baseline, 12 weeks
Changes in blood plasma cholesterol in mg/dL- baseline to 12 weeks, after treatment. Statistical Analysis was performed only for the "Diet" Arm/Group.
Baseline, 12 weeks

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Body Composition
Tidsramme: Baseline, 12 weeks
Body Composition assessed by BMI
Baseline, 12 weeks
Changes in Adipocyte Morphology
Tidsramme: 12 weeks
Percentage Change in total adipose tissue assessed by MRI
12 weeks
Genome Integrity (DNA Methylation and Telomere Length)
Tidsramme: 12 weeks
12 weeks
Body Weight
Tidsramme: Baseline, 12 weeks
Baseline, 12 weeks

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart

1. april 2012

Primær fullføring (Faktiske)

1. juni 2015

Studiet fullført (Faktiske)

1. januar 2016

Datoer for studieregistrering

Først innsendt

11. september 2012

Først innsendt som oppfylte QC-kriteriene

11. september 2012

Først lagt ut (Anslag)

13. september 2012

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

27. januar 2020

Siste oppdatering sendt inn som oppfylte QC-kriteriene

13. januar 2020

Sist bekreftet

1. januar 2020

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Andre studie-ID-numre

  • 12/L0/0139

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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