- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT03798938
Effects of Plant-Based Diet on Peripheral Arterial Disease
Cardiovascular disease (CVD), a condition predominantly caused by atherosclerosis, is the leading cause of morbidity and mortality in the investigator's society. Peripheral arterial disease (PAD), a subset of CVD, occurs when the atherosclerosis progresses to compromise the lower extremity circulation resulting in ischemic symptoms. Although atherosclerosis has been generally regarded as a disease of developed or affluent countries, recent evidence showed a progressive rise in the prevalence of CVD in developing countries where an epidemiological shift of disease prevalence patterns from infectious illnesses to atherosclerotic disease has occurred. Management of CVD, particularly with an emphasis of disease prevention, will undoubtedly play an increasing vital role in the health care system around the world.
Endothelial dysfunction, as reflected by the impaired arterial vasodilatory capacity, represents one of the pathogenic mechanisms linking atherosclerosis and cardiovascular mortality. The ability of arteries to dilate in response to stimuli is a significant indicator of underlying vascular endothelial function and associated CVD. Factors modulating vasodilatory response include the release of vasoactive compounds such as nitric oxide (NO) from the endothelium and vascular compliance. In healthy individuals, a major mechanism responsible for vasodilation is the hyperemic-stimulated release of NO from the endothelium, resulting in vascular smooth muscle relaxation with subsequent vasodilation.
Vascular endothelial function can be assessed using a non-invasive technique to determine brachial artery reactivity whereby a high-resolution ultrasound is used to measure changes in brachial artery diameter to endogenous production of endothelium-derived NO via flow-mediated dilation (FMD). Therefore, reduced FMD has been described as a reliable indicator of vascular endothelial dysfunction as well as presence of underlying CVD risk factors and related diseases. Recent studies have similarly shown that arterial pulse-wave velocity (PWV), which is a non-invasive evaluation of arterial stiffness, is a reliable indicator of vascular function. While numerous studies have documented the benefit of dietary intervention in the reduction of CVD related sequelae, limited data is available regarding whether the beneficial effect of dietary intervention are reflected in vascular endothelial function. The present study was therefore conducted to assess the effects of plant-based diet (PBD) on vascular endothelial function as assessed by FMD and PWV in patients with peripheral arterial disease (PAD).
Studieoversikt
Detaljert beskrivelse
Studietype
Registrering (Forventet)
Kontakter og plasseringer
Studiesteder
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California
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Alhambra, California, Forente stater, 90212
- University Vascular Associates
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Prøvetakingsmetode
Studiepopulasjon
Beskrivelse
Inclusion Criteria:
- peripheral arterial disease
Exclusion Criteria:
- none
Studieplan
Hvordan er studiet utformet?
Designdetaljer
Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
---|---|---|
endothelial function
Tidsramme: 10 minutes
|
brachial artery reactivity test, flow-mediated vasodilation
|
10 minutes
|
Samarbeidspartnere og etterforskere
Sponsor
Studierekorddatoer
Studer hoveddatoer
Studiestart (Forventet)
Primær fullføring (Forventet)
Studiet fullført (Forventet)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- 01012019
Plan for individuelle deltakerdata (IPD)
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Legemiddel- og utstyrsinformasjon, studiedokumenter
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