NCT07461857

Brief Summary

The goal of this study is identify educational material related to EDC exposures that is culturally appropriate for the black community and test the usability of the material. The main questions this study aims to answer are:

  1. 1.identify problematic lifestyle behaviors and products in a minority population that may contribute to harmful exposures and subsequently determine the most effective and sustainable lifestyle recommendations to reduce exposures;
  2. 2.develop culturally appropriate educational EDC EHL materials by collaborating with community groups and adapting from Million Marker's existing extensive online educational resources and recommendations;
  3. 3.integrate developed educational materials and targeted recommendations in existing Million Marker platform and test the usability of the material using a cohort of 100 black community members.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
151

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Sep 2025

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2025

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

December 2, 2025

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 20, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 20, 2026

Completed
18 days until next milestone

First Posted

Study publicly available on registry

March 10, 2026

Completed
Last Updated

May 18, 2026

Status Verified

May 1, 2026

Enrollment Period

6 months

First QC Date

December 2, 2025

Last Update Submit

May 14, 2026

Conditions

Keywords

bisphenolsparabensphthalatesendocrine disrupting chemicalsEDCs

Outcome Measures

Primary Outcomes (2)

  • Changes in Endocrine Disrupting Chemical - Environmental Health Literacy (EDC-EHL) after the intervention.

    This surveys assesses EDC-specific environmental health literacy, based on questions in a 5-point Likert scale from 1 (strongly agree) to 5 (strongly disagree) or 1 (never) to 5 (always). Responses will be reverse coded during analysis as needed so that higher numbers reflect positive outcomes (higher EDC-EHL).

    Measured before the intervention, after the intervention (1 months after baseline), and at follow-up (1 months after the intervention)

  • Changes in 'Readiness to Change' to reduce risky behaviors after the intervention.

    The Readiness to Change question asks participants to choose the response (sentence) that most accurately describes their current efforts and interest in limiting their exposure to harmful chemicals. Responses will be coded from 1 to 5 with 5 reflecting greater readiness to reduce risky behaviors.

    Measured before the intervention, after the intervention (1 months after baseline), and at follow-up (1 months after the intervention)

Study Arms (1)

Black Community Participants

EXPERIMENTAL

Members of the black community

Behavioral: Education curriculum

Interventions

A self-directed online interactive curriculum of EDC material, with access to live coaches and an online forum.

Black Community Participants

Eligibility Criteria

Age18 Years+
Sexall(Gender-based eligibility)
Gender Eligibility DetailsAll
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Identify as black
  • Have access to a smartphone or computer

You may not qualify if:

  • Do not identify as black
  • Do not have access to a smartphone or computer

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Million Marker

Berkeley, California, 94704, United States

Location

Related Publications (64)

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Related Links

Study Officials

  • Jayne Foley, MPPM, MPH

    Million Marker Wellness

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
PREVENTION
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Environmental Health Scientist

Study Record Dates

First Submitted

December 2, 2025

First Posted

March 10, 2026

Study Start

September 1, 2025

Primary Completion

February 20, 2026

Study Completion

February 20, 2026

Last Updated

May 18, 2026

Record last verified: 2026-05

Data Sharing

IPD Sharing
Will share
Shared Documents
STUDY PROTOCOL, SAP, ICF
Time Frame
Starting six months after publication
Access Criteria
Researchers must submit an acceptable research plan (goals of the proposed research, the specific hypotheses to be examined, justification for research and methods), be affiliated with a recognized research institution, have demonstrated expertise in the area of the proposed research project, and receive independent approval from their governing institutional review board. Data will be available for use only to answer the specific question(s) indicated in the research plan. The researchers must provide a list of variable names and an outline of how research findings will be disseminated; and will be asked to sign a data-sharing agreement that commits to: 1) not attempt to identify any individual participant, 2) secure the data using appropriate software technology, 3) and destroy or return all data once analyses are complete. All final datasets will be de-identified. Final authorship on manuscripts will require review and approval by the Principal Investigators of this study.

Locations