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Systematic Review and Meta-Analysis on the Effects of Cocoa Flavanol Intake on Blood Pressure and Its Implications for Cardiovascular Disease Risk Reduction

Systematic Review and Meta-Analysis on the Effects of Cocoa Flavanol Intake on Blood Pressure and Its Implications for Cardiovascular Disease Risk Reduction - Systematic Review and Meta-Analysis on the Effects of Cocoa Flavanol Intake on Blood Pressure and Its Implications for Cardiovascular Disease Risk Reduction

Status
Active, not recruiting
Phases
Unknown
Study type
Unknown
Source
JPRN
Registry ID
JPRN-UMIN000059995
Enrollment
Unknown
Registered
2025-12-05
Start date
2025-12-08
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy adult

Interventions

None listed

Sponsors

Meiji Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Interventional studies involving healthy adults or individuals with hypertension, including stage 1 to 3 hypertension. Studies that report blood pressure (systolic and/or diastolic) as a primary or secondary outcome. Randomized controlled trials (RCTs) with placebo or non-intake control groups.

Exclusion criteria

Exclusion criteria: Studies involving minors or pregnant and lactating women. Studies using an intervention product where the specific content of cacao flavanols is not specified. Studies using an intervention product that contains ingredients, other than cacao flavanols, which could potentially affect blood pressure. Studies using a control product that contains ingredients which could potentially affect blood pressure. Studies that include co-interventions, such as dietary modifications or exercise, which could potentially affect blood pressure.

Design outcomes

Primary

MeasureTime frame
Systolic blood pressure and diastolic blood pressure

Secondary

MeasureTime frame
Flow-mediated dilation, pulse wave velocity and ankle-brachial index

Countries

Japan

Contacts

Public ContactNorikazu Watanabe

Yakujihou Marketing Jimusho Co., Ltd. None

watanabe@yakujihou-marketing.co.jp03-6205-3546

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 3, 2026