COcoa Supplement and Multivitamin Outcomes Study
Public ClinicalTrials.gov record NCT02422745. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine whether taking daily, dietary supplements of cocoa extract (containing cocoa flavanols and theobromine from the cocoa bean) and/or a standard multivitamin reduces the risk of developing cardiovascular disease (including heart attack, stroke, coronary revascularization, unstable angina or acute coronary syndrome (ACS) requiring hospitalization, carotid artery surgery, and peripheral artery surgery or angioplasty, and cardiovascular mortality) and cancer.
Study identification
- NCT ID
- NCT02422745
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 21,442 participants
Conditions and interventions
Conditions
Interventions
- Cocoa extract Dietary Supplement
- Multivitamin Dietary Supplement
- Cocoa extract placebo Dietary Supplement
- Multivitamin placebo Dietary Supplement
Dietary Supplement
Eligibility (public fields only)
- Age range
- 60 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 31, 2015
- Primary completion
- Jun 30, 2022
- Completion
- Jun 4, 2023
- Last update posted
- Jul 12, 2026
2015 – 2023
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Brigham and Women's Hospital | Boston | Massachusetts | 02215 | — |
| Fred Hutchinson Cancer Research Center | Seattle | Washington | 98109 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02422745, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 12, 2026 · Synced Sep 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02422745 live on ClinicalTrials.gov.