- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT02061098
Effect of a Pomegranate Extract on Cardiovascular Risk Markers in Overweight Healthy Subjects (POMEcardio)
Effect of an Ellagitannin Rich Pomegranate Extract on Cardiovascular Risk Markers in Overweight Healthy Subjects. A Double-blind, Cross-over, Dose-response, Randomized, Placebo-controlled Trial (The POMEcardio Study)
The investigators objective is to carry out a placebo-controlled, dose-response, randomized clinical trial to assess the effects of polyphenols or derived metabolites on cardiovascular disease risk in overweight adult subjects upon the consumption of pomegranate extract.
The investigators hypothesis is that chronic consumption of a ellagitannin-rich source such as pomegranate extract could decrease serum oxidized-LDL as well as other inflammatory markers. The correlation between the effect exerted and the subjects' microbiota (capacity to produce the ellagitannin-derived metabolites urolithins) will indicate a possible role of urolithins on the effects.
Studienübersicht
Status
Bedingungen
Intervention / Behandlung
- Nahrungsergänzungsmittel: Pomegranate extract-first dose-Group A
- Nahrungsergänzungsmittel: Pomegranate extract-first dose-Group B
- Nahrungsergänzungsmittel: Pomegranate extract-second dose-Group A
- Nahrungsergänzungsmittel: Pomegranate extract-second dose-Group B
- Nahrungsergänzungsmittel: Placebo-first dose-Group B
- Nahrungsergänzungsmittel: Placebo-first dose-Group A
- Nahrungsergänzungsmittel: Placebo-second dose-Group B
- Nahrungsergänzungsmittel: Placebo-second dose-Group A
Studientyp
Einschreibung (Tatsächlich)
Phase
- Phase 2
- Phase 1
Kontakte und Standorte
Studienorte
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Murcia, Spanien, 30107
- UCAM (San Antonio Catholic University from Murcia)
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- Aged 40-65 years
- Body mass index (BMI) >27 kg/m2
- Healthy status (no illness in the previous 3-months).
Exclusion Criteria:
- Smoking.
- Pregnancy/lactation.
- Severe medical illness/chronic disease/ or gastrointestinal pathology (ulcers, irritable bowel syndrome, ulcerative colitis, Crohn disease etc.).
- Previous gastrointestinal surgery
- Recent use of antibiotics (within 1-month prior to the study)
- Suspected hypersensitivity to pomegranate or any of its components
- Consumption of nutraceuticals, botanical extracts or other vitamin supplements or taking medication.
- Regular consumption of ellagitannin-containing foodstuffs (walnuts, pomegranate, strawberries, raspberries, oak-aged red wine) (after filling a food-frequency questionnaire).
- Intake of ellagitannins-containing foodstuffs the week before the pharmacokinetic intervention.
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Behandlung
- Zuteilung: Zufällig
- Interventionsmodell: Crossover-Aufgabe
- Maskierung: Doppelt
Waffen und Interventionen
Teilnehmergruppe / Arm |
Intervention / Behandlung |
|---|---|
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Experimental: Pomegranate extract
Crossover and dose-response: Both groups A and B will consume pomegranate extract and placebo. Both groups will also consume two doses of pomegranate extract and placebo. Group A will consume 1 daily capsule of pomegranate extract and group B will consume 1 daily capsule of placebo for 3 weeks. After a wash-out period of 3 weeks, group A will consume 1 daily capsule of placebo and group B will consume 1 daily capsule of pomegranate extract for 3 weeks. After a washout period of 3 weeks, group A will consume 4 daily capsules of pomegranate extract for 3 weeks and group B will consume 4 daily capsules of placebo for 3 weeks. After a washout period of 3 weeks, group A will consume 4 daily capsules of placebo for 3 weeks and group B will consume 4 daily capsules of pomegranate for 3 weeks. |
Group A will consume 1 daily capsule of pomegranate extract for 3 weeks
Andere Namen:
After 3 weeks of washout, group B will consume 1 daily capsule of pomegranate extract for 3 weeks.
Andere Namen:
After 3 weeks of washout, group A will consume 4 daily capsules of pomegranate extract for 3 weeks.
Andere Namen:
After 3 weeks of washout, group B will consume 4 daily capsules of pomegranate extract for 3 weeks.
Andere Namen:
|
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Placebo-Komparator: Placebo
Crossover and dose-response: Both groups A and B will consume pomegranate extract and placebo. Both groups will also consume two doses of pomegranate extract and placebo. Group A will consume 1 daily capsule of pomegranate extract and group B will consume 1 daily capsule of placebo for 3 weeks. After a wash-out period of 3 weeks, group A will consume 1 daily capsule of placebo and group B will consume 1 daily capsule of pomegranate extract for 3 weeks. After a washout period of 3 weeks, group A will consume 4 daily capsules of pomegranate extract for 3 weeks and group B will consume 4 daily capsules of placebo for 3 weeks. After a washout period of 3 weeks, group A will consume 4 daily capsules of placebo for 3 weeks and group B will consume 4 daily capsules of pomegranate for 3 weeks. |
Group B will consume 1 daily capsules of placebo for 3 weeks.
Andere Namen:
After 3 weeks of washout, group A will consume 1 daily capsule of placebo for 3 weeks.
Andere Namen:
After 3 weeks of washout, group B will consume 4 daily capsules of placebo for 3 weeks.
Andere Namen:
After 3 weeks of washout, group A will consume 4 daily capsules of placebo for 3 weeks.
Andere Namen:
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Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Change in serum oxidized LDL-cholesterol concentration
Zeitfenster: Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
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Effect on circulating levels of oxidized particles of LDL-cholesterol
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Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
Change in serum lipids and lipoproteins levels
Zeitfenster: Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
|
Effects on serum total cholesterol, LDL-cholesterol, HDL-cholesterol and apolipoproteins A1 (ApoA1), B (ApoB) and E (ApoE).
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Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
|
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Change in serum sICAM, sVCAM and hsCRP
Zeitfenster: Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
|
Effect on soluble intercellular adhesion molecule (sICAM), soluble vascular adhesion molecule (sVCAM) and high-sensitivity C-reactive protein (hsCRP)
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Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
|
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Change in fecal microbiota
Zeitfenster: Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
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Prebiotic effect: Change in short fatty acids, bifidobacteria, lactobacilli and other selected species in feces
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Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
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Number of volunteers with adverse events as a measure of safety and tolerability
Zeitfenster: Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
|
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Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
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Change in phenolics and derived metabolites in plasma, feces and urine.
Zeitfenster: Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
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Dose-response effect of pomegranate intake on phenolics and gut-microbiota derived metabolites in plasma, feces and urine.
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Change from baseline at 3, 6, 9, 12, 15, 18, 21 and 24 weeks
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Mitarbeiter und Ermittler
Sponsor
Mitarbeiter
Ermittler
- Hauptermittler: Dr. Juan Carlos Espín, PhD, National Research Council (CEBAS-CSIC, Murcia, Spain)
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- CEBAS-CSIC-4
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