- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT03172611
A Defined, Plant-based, 4-week Dietary Intervention Reduces Lp(a) and Other Atherogenic Particles
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
Lipoprotein(a) is a carrier of oxidized low-density lipoprotein and is a particularly atherogenic biomarker. Lp(a) has been previously documented to be resistant to dietary therapies and its concentration is thought to be determined by genes. A plant-based diet has not been previously used in an attempt to influence the concentration of Lp(a).
Participants were instructed to follow a defined, plant-based dietary intervention for four weeks. All animal products were excluded. Cooked foods, free oils, soda, alcohol, and coffee were also to be excluded. All meals and snacks were provided to the participants for the full duration of the intervention. Emphasized were raw fruits and vegetables, while seeds, avocado, raw oats, raw buckwheat, and dehydrated foods were prepared as condiments. Vitamin, herbal, and mineral supplements were to be discontinued unless otherwise clinically indicated. Participants were not advised to alter their exercise habits.
Serum biomarkers were obtained from participants at baseline and after 4-weeks.
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
Texas
-
Houston, Texas, Forenede Stater, 77025
- Montgomery Heart & Wellness
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Body Mass Index ≥25.0 kg/m^2
- Serum low-density lipoprotein cholesterol concentration ≥100
- Systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90
Exclusion Criteria:
- Tobacco use
- Drug abuse
- Excessive alcohol consumption (>2 glasses of wine or alcohol equivalent per day for men or >1 glass of wine or alcohol equivalent for woman)
- Current cancer diagnosis
- Estimated glomerular filtration rate <60 mg/dL
- Clinically defined infection
- Mental disability
- Hospitalization <6 months
- Previous exposure to plant-based diet
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: N/A
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Eksperimentel: Plant-based diet
A defined, plant-based diet was prescribed for 4 weeks.
|
Subjects consumed a defined, plant-based diet for 4-weeks.
Emphasized were raw fruits and vegetables.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Change in serum lipoprotein(a)
Tidsramme: Baseline and 4-weeks
|
Serum Lp(a) (nmol/L) was documented at baseline and after 4-weeks
|
Baseline and 4-weeks
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Ændring i serum totalt kolesterol
Tidsramme: Baseline og 4 uger
|
Serum totalt kolesterol (mg/dL) blev dokumenteret ved baseline og efter 4 uger
|
Baseline og 4 uger
|
Ændring i serum high-density lipoprotein kolesterol
Tidsramme: Baseline og 4 uger
|
Serum HDL (mg/dL) blev dokumenteret ved baseline og efter 4 uger
|
Baseline og 4 uger
|
Change in serum low-density lipoprotein cholesterol
Tidsramme: Baseline and 4-weeks
|
LDL cholesterol (mg/dL) was documented at baseline and after 4-weeks
|
Baseline and 4-weeks
|
Change in serum apolipoprotein-B
Tidsramme: Baseline and 4-weeks
|
Serum Apo-B (mg/dL) was documented at baseline and after 4-weeks
|
Baseline and 4-weeks
|
Change in serum low-density lipoprotein particles
Tidsramme: Baseline and 4-weeks
|
Serum LDL-P (nmol/L) was documented at baseline and after 4-weeks
|
Baseline and 4-weeks
|
Change in serum small-dense low-density lipoprotein cholesterol
Tidsramme: Baseline and 4-weeks
|
Serum sdLDL-C (mg/dL) was documented at baseline and after 4-weeks
|
Baseline and 4-weeks
|
Change in serum high-density lipoprotein 2 cholesterol
Tidsramme: Baseline and 4-weeks
|
Serum HDL2-C (mg/dL) was documented at baseline and after 4-weeks
|
Baseline and 4-weeks
|
Change in serum apolipoprotein A-1
Tidsramme: Baseline and 4-weeks
|
Serum Apo A-1 (mg/dL) was documented at baseline and after 4-weeks
|
Baseline and 4-weeks
|
Samarbejdspartnere og efterforskere
Sponsor
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Rami Najjar, M.S., Texas Woman's University
Publikationer og nyttige links
Generelle publikationer
- Jenkins DJ, Kendall CW, Popovich DG, Vidgen E, Mehling CC, Vuksan V, Ransom TP, Rao AV, Rosenberg-Zand R, Tariq N, Corey P, Jones PJ, Raeini M, Story JA, Furumoto EJ, Illingworth DR, Pappu AS, Connelly PW. Effect of a very-high-fiber vegetable, fruit, and nut diet on serum lipids and colonic function. Metabolism. 2001 Apr;50(4):494-503. doi: 10.1053/meta.2001.21037.
- Bloomer RJ, Kabir MM, Canale RE, Trepanowski JF, Marshall KE, Farney TM, Hammond KG. Effect of a 21 day Daniel Fast on metabolic and cardiovascular disease risk factors in men and women. Lipids Health Dis. 2010 Sep 3;9:94. doi: 10.1186/1476-511X-9-94.
- Le LT, Sabate J. Beyond meatless, the health effects of vegan diets: findings from the Adventist cohorts. Nutrients. 2014 May 27;6(6):2131-47. doi: 10.3390/nu6062131.
- Jenkins DJ, Kendall CW, Marchie A, Parker TL, Connelly PW, Qian W, Haight JS, Faulkner D, Vidgen E, Lapsley KG, Spiller GA. Dose response of almonds on coronary heart disease risk factors: blood lipids, oxidized low-density lipoproteins, lipoprotein(a), homocysteine, and pulmonary nitric oxide: a randomized, controlled, crossover trial. Circulation. 2002 Sep 10;106(11):1327-32. doi: 10.1161/01.cir.0000028421.91733.20.
- Brown SA, Morrisett J, Patsch JR, Reeves R, Gotto AM Jr, Patsch W. Influence of short term dietary cholesterol and fat on human plasma Lp[a] and LDL levels. J Lipid Res. 1991 Aug;32(8):1281-9.
- Kiortsis DN, Tzotzas T, Giral P, Bruckert E, Beucler I, Valsamides S, Turpin G. Changes in lipoprotein(a) levels and hormonal correlations during a weight reduction program. Nutr Metab Cardiovasc Dis. 2001 Jun;11(3):153-7.
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 192790
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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