NCT04064424

Brief Summary

The overall goal of this research is to develop interventions that leverage online technology (e.g. ads, social media) to reduce individuals' skin-cancer-related risk behaviors and ultimately to reduce skin cancer incidence.

Trial Health

15
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Timeline
Completed

Started Dec 2025

Shorter than P25 for not_applicable

Status
withdrawn

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

First Submitted

Initial submission to the registry

August 19, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 21, 2019

Completed
6.3 years until next milestone

Study Start

First participant enrolled

December 1, 2025

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2026

Completed
Last Updated

April 20, 2026

Status Verified

April 1, 2026

Enrollment Period

1 month

First QC Date

August 19, 2019

Last Update Submit

April 16, 2026

Conditions

Skin Cancer

Outcome Measures

Primary Outcomes (1)

  • Measure intent to tan

    Intent to tan will be measured by our follow-up survey question. Rates of each response will be compared between experimental groups.

    4 weeks

Secondary Outcomes (1)

  • Measure awareness of indoor tanning risk

    4 weeks

Study Arms (2)

Prevention Advertisement

EXPERIMENTAL

Participants will be exposed to prevention videos and images through Facebook Advertising

Other: Prevention video advertisementOther: Prevention images for advertisement

No Advertisement

ACTIVE COMPARATOR

No prevention videos and images will be shown through Facebook Advertising

Other: No Advertisement

Interventions

Prevention video advertisementOTHER

Skin Cancer Prevention videos

Prevention Advertisement
Prevention images for advertisementOTHER

Skin Cancer Prevention images

Prevention Advertisement
No AdvertisementOTHER

No skin cancer prevention videos or images were advertised.

No Advertisement

Eligibility Criteria

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

You may qualify if:

  • Facebook user between the age of 18 and 65
  • Self-identifies as male
  • Profile indicates interest in at least one of the following: LGBT community, LGBT culture, LGBT social movements, Rainbow flag, Gay pride, GAY-friendly, homosexuality

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Skin Neoplasms

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsSkin DiseasesSkin and Connective Tissue Diseases

Study Officials

  • Eleni Linos

    Stanford University

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 19, 2019

First Posted

August 21, 2019

Study Start

December 1, 2025

Primary Completion

January 1, 2026

Study Completion

January 1, 2026

Last Updated

April 20, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will not share