- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01880866
(-)-Epicatechin and Pulmonary Arterial Hypertension
An Open Label Pilot Study of Purified (-)-Epicatechin to Improve Hemodynamics in Pulmonary Arterial Hypertension
Pulmonary arterial hypertension (PAH) is a progressive disease that results in severe activity limitation and death. There are few treatments for PAH and the available medications are expensive, difficult to administer and have significant toxicities.
(-)-Epicatechin is a non-toxic compound that naturally occurs in foods such as tea, wine and chocolate. Clinical intervention studies using dark chocolate in normal volunteers and subjects at risk for or with established cardiovascular disease have demonstrated improvements in peripheral and coronary vascular endothelial function, blood pressure, lipids, glucose tolerance and inflammatory markers.
Our study intends to examine the hemodynamics effects of purified (-)-epicatechin in subjects with pulmonary arterial hypertension. We hypothesize purified (-)-epicatechin will reduce pulmonary vascular resistance in patients with pulmonary arterial hypertension.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Fase
- Fase 1
Kontakter og lokationer
Studiesteder
-
-
California
-
San Francisco, California, Forenede Stater, 94110
- UCSF
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Male or female age 18 or older
- NYHA Class II-!V
- 6 minute walk distance < 450 meters
- Outpatients with suspected WHO group I PAH or and established diagnosis of WHO group I PAH undergoing clinically indicated right heart catheterization
- Written informed consent obtained from subject and ability for subject to comply with the requirements of study
Exclusion Criteria:
- Pregnancy
- Breast feeding
- Systolic blood pressure <100 or >160
- History of migraine headaches
- Allergy or intolerance to chocolate, tea or wine
- Subject is considered unsuitable for the study in the opinion of the investigator, nurse practitioner, or study physician for any other reason
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: (-)-Epicatechin
A single dose of 100mg or 200mg (-)-Epicatechin to be administered orally
|
A single dose of purified (-)-epicatechin will be administered orally to subjects after a regularly scheduled right heart catheterization.
The subjects will be monitored for 5 hours and released.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Pulmonary Vascular Resistance Index
Tidsramme: up to 5 hours after right heart catheterization
|
This study will assess acute hemodynamic effects, specifically effects on pulmonary vascular resistance index (PVRI), of a single dose of purified (-)-epicatechin in patients with patients with PAH.
|
up to 5 hours after right heart catheterization
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Endothelial function and hemodynamics
Tidsramme: up to 5 hours after right heart catheterization
|
Secondary objectives are to determine if endothelial function, right heart function, nitric oxide and mitochondrial function improve following consumption of purified (-)-epicatechin.
|
up to 5 hours after right heart catheterization
|
Samarbejdspartnere og efterforskere
Efterforskere
- Ledende efterforsker: Christopher Barnett, MD, MPH, University of California, San Francisco
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Forventet)
Studieafslutning (Forventet)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- EPI
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