FindMyKOL
Clinical trialNCT02422745CompletedPhase 4Interventional

COcoa Supplement and Multivitamin Outcomes Study

SponsorBrigham and Women's HospitalEnrollment21,442CancerCardiovascular Disease
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

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.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

2 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Brigham and Women'S Hospital

    Boston, Massachusetts, United States

  • Fred Hutchinson Cancer Research Center

    Seattle, Washington, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
30 Jun 2015
Primary completion
31 Jul 2022
Completion
5 Jun 2023
Last update posted
13 Jul 2026
Registered enrollment
21,442
Registry id
NCT02422745
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 4 Nov 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.