Cancer Prevention & Online Technologies

Status

Withdrawn

Phases

Unknown

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT04064424

Enrollment

Registered

2019-08-21

Start date

2025-12-01

Completion date

2026-01-01

Last updated

2026-04-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Skin Cancer

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.

Detailed description

This research includes three phases: 1. To better understand the motivators and inhibitors of skin cancer risk behaviors in various populations including use of indoor tanning and outdoor sun exposure; 2. To develop content messages and images related to skin cancer risk that are resonant with various populations; 3. To test the relative effectiveness of these messages in reducing likelihood of or actual skin cancer risk behaviors in various populations.

Interventions

OTHERPrevention video advertisement

Skin Cancer Prevention videos

OTHERPrevention images for advertisement

Skin Cancer Prevention images

OTHERNo Advertisement

No skin cancer prevention videos or images were advertised.

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

PREVENTION

Masking

NONE

Eligibility

Sex/Gender

MALE

Age

18 Years to 65 Years

Healthy volunteers

Yes

Inclusion criteria

* 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

Exclusion criteria

* Failure to meet inclusion criteria

Design outcomes

Primary

Measure	Time frame	Description
Measure intent to tan	4 weeks	Intent to tan will be measured by our follow-up survey question. Rates of each response will be compared between experimental groups.

Secondary

Measure	Time frame	Description
Measure awareness of indoor tanning risk	4 weeks	Awareness of indoor tanning risk will be measured by our follow-up survey question. Rates of each response will be compared between experimental groups.

Contacts

PRINCIPAL_INVESTIGATOREleni Linos

Stanford University

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 21, 2026