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Postprandial Response After Intake of Meals With Different Fatty Acid Composition

29. juni 2016 oppdatert av: Kirsten Holven, University of Oslo

Postprandial Response After Intake of Meals With Different Fatty Acid Composition in Patients With Familial Hypercholesterolemia and Healthy Subjects

The aim of the study is to understand more about how different fatty acids modulate postprandial lipid metabolism and inflammatory response.

Studieoversikt

Studietype

Intervensjonell

Registrering (Faktiske)

31

Fase

  • Ikke aktuelt

Kontakter og plasseringer

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

Studiesteder

    • Post box 1046, Blindern
      • Oslo, Post box 1046, Blindern, Norge, 0317
        • University of Oslo

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

18 år til 30 år (Voksen)

Tar imot friske frivillige

Ja

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • 18 - 30 years of age
  • Healthy or diagnosed with familial hypercholesterolemia (FH) (mutation in gene coding for LDL-receptor). FH subjects can be included if they are:

    1. Untreated
    2. Treated with low dose statin (<20 mg atorvastatin, <10-20 mg simvastatin or <5-10 mg rosuvastatin)
    3. Treated with high dose statin and willing to use low dose statin during the last 4 weeks prior to both study visits (total 8 week period)
    4. Treated with high dose statins and willing to discontinue statin treatment during the last 4 weeks prior to both study visits (total 8 week period)
  • BMI 18.5 - 30 kg/m2
  • Stabile weight the last three months prior to the first study visit (weight change less than ± 5 % of body weight)

Exclusion Criteria:

  • CRP >10 mg/L
  • TG >4 mmol/L
  • Comorbidities including diabetes type I and II, coronary heart disease, haemophilia, anaemia, gastro intestinal disease, renal failure and hyperthyroidism
  • Pregnant or lactating
  • Allergic or intolerant to gluten or egg
  • Not willing to stop using n-3 fatty acid supplements during the last 4 weeks prior to both study visits
  • Using medications affecting lipid metabolism or inflammation, except statins for FH subjects
  • Hormone treatment (except contraception and thyroxin (stabile dose last 3 months))
  • Donating blood 2 months within or during study period
  • Tobacco smoking
  • Large alcohol consumption (>40g daily)

Studieplan

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

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Forebygging
  • Tildeling: Randomisert
  • Intervensjonsmodell: Crossover-oppdrag
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Familial hypercholesterolemia
Subjects diagnosed with familial hypercholesterolemia receive in randomized order muffin with saturated fat (SFA muffin) and polyunsaturated fat (PUFA muffin) at baseline
Muffin rich in saturated fat.
Muffin rich in polyunsaturated fat.
Aktiv komparator: Healthy
Subjects with no chronic diseases receive in randomized order muffin with saturated fat (SFA muffin) and polyunsaturated fat (PUFA muffin) at baseline
Muffin rich in saturated fat.
Muffin rich in polyunsaturated fat.

Hva måler studien?

Primære resultatmål

Resultatmål
Tidsramme
Change in levels of circulating triglycerides
Tidsramme: Measured at baseline and 2,4 and 6 hours after intake of test meal
Measured at baseline and 2,4 and 6 hours after intake of test meal

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Changes in markers of lipid- and glucose metabolism
Tidsramme: Measured at baseline and 2,4 and 6 hours after intake of test meal
Changes in levels of total cholesterol, low-density lipoprotein, high-density lipoprotein, apolipoprotein (apo) B, apo A1, apo CIII, apo B48, lipoprotein (a), free fatty acids, total fatty acid composition, LDL-receptor-related protein with 11 ligand-binding repeats (LR11), HbA1c, glucose, insulin and troponin.
Measured at baseline and 2,4 and 6 hours after intake of test meal
Changes in circulating levels of inflammatory markers
Tidsramme: Measured at baseline and 2,4 and 6 hours after intake of test meal
Changes in levels of inflammatory markers in circulation such as i.e. cytokines and hsCRP
Measured at baseline and 2,4 and 6 hours after intake of test meal
Changes in PBMC gene expression levels of markers of inflammation and lipid metabolism
Tidsramme: Measured at baseline and 2, 4 and 6 hours after intake of test meal
Changes in levels of markers of inflammation and lipid metabolism at PBMC gene expression level
Measured at baseline and 2, 4 and 6 hours after intake of test meal
Changes in lipid classes and lipoprotein size
Tidsramme: Measured at baseline and 2,4 and 6 hours after intake of test meal
Measured at baseline and 2,4 and 6 hours after intake of test meal
Changes in plasma and urine metabolomics
Tidsramme: Measured in plasma at baseline and 2,4 and 6 hours after intake of test meal. Measured in urine at fasting state and during the 6 hour postprandial phase.
Changes in metabolites such as glucose, lactate, pyruvate, citrate and amino acids will be measured in plasma and urine.
Measured in plasma at baseline and 2,4 and 6 hours after intake of test meal. Measured in urine at fasting state and during the 6 hour postprandial phase.
Check DNA for single nuclear polymorphisms
Tidsramme: Measured at baseline and 2,4 and 6 hours after intake of test meal
Measured at baseline and 2,4 and 6 hours after intake of test meal
Changes in PBMC Whole genome transcriptomics
Tidsramme: Measured at baseline and 4 and 6 hours after intake of test meal
Measured at baseline and 4 and 6 hours after intake of test meal

Samarbeidspartnere og etterforskere

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

Samarbeidspartnere

Etterforskere

  • Hovedetterforsker: Kirsten Bjørklund Holven, Professor, Institute of Basic Medical Sciences, Faculty of medicine, University of Oslo

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. mars 2016

Primær fullføring (Faktiske)

1. juni 2016

Studiet fullført (Faktiske)

1. juni 2016

Datoer for studieregistrering

Først innsendt

31. mars 2016

Først innsendt som oppfylte QC-kriteriene

5. april 2016

Først lagt ut (Anslag)

6. april 2016

Oppdateringer av studieposter

Sist oppdatering lagt ut (Anslag)

30. juni 2016

Siste oppdatering sendt inn som oppfylte QC-kriteriene

29. juni 2016

Sist bekreftet

1. juni 2016

Mer informasjon

Begreper knyttet til denne studien

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

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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