Effect of Dark Chocolate on Home Blood Pressure

Effect of Dark Chocolate on Home Blood Pressure - DCHBP

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000028364

Enrollment

Registered

2017-07-25

Start date

2015-03-25

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

Hypertension

Interventions

Dark chocolate 24g per day 14.4 g in the morning and 9.6 g in the evening duration 4weeks White chocolate 24g per day 14.4 g in the morning and 9.6 g in the evening duration 4weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Twenty apparently healthy men and women aged 40-65 years with a high normal BP or mild hypertension ) who were not receiving antihypertensive treatment were enrolled in this study

Exclusion criteria

Exclusion criteria: History of CVD, malignant disease, or other chronic disease including CVD risk factors other than mild hypertension (i.e., dyslipidemia, diabetes mellitus, and chronic kidney disease), BMI mor than 30 kg/m2, current smoker, habitual use of antioxidant supplements, milk or chocolate or cacao allergy, and premenopausal

Design outcomes

Primary

Measure	Time frame
home blood pressure(HBP), HBP variability, vasculare function, insulin sensitivity (IS)	—

Secondary

Measure	Time frame
interaction between DC and IS	—

Countries

Japan

Contacts

Public ContactChisa Matsumoto

Tokyo Medical University Department of Cardiology

chisamatsumoto@post.harvard.edu03-3342-6111

Outcome results

None listed

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