Sun Exposure and Melanoma in Agricultural Workers
Public ClinicalTrials.gov record NCT00901966. 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.
This K07 Career Development Award application is designed to expand Dr. Dennis career development from cancer etiology to cancer prevention and control. The career development plan rests on mentoring directed by experts in cancer prevention research and protected time to foster my professional development as an independent cancer control researcher. A unique population, the Agricultural Health Study (AHS) cohort, will be used to examine sun exposure, sun protection behavior, and factors affecting these behaviors regarding the risk of melanoma in private pesticide applicators (farmers) and their spouses. The research plan proposed to examine skin melanoma within this prospective cohort of private applicators (mostly farmers) and their spouses in Iowa and North Carolina (the AHS) in association with environmental factors. Specific aim 1 examined the risk of melanoma in the AHS cohort using various existing measures of sun exposure adjusted for skin sensitivity and sun protection. Subsequently (for aim 2) qualitative research methods were used to design appropriate measures of sun exposure, sun protection behavior, and factors affecting these behaviors in private applicators and their spouses within the AHS based on the cohort analyses. Now Aim 3 will be completed by conducting a nested case-control study of melanoma within the AHS cohort to examine in more detail sun exposure histories and protective behavior. The questionnaire was designed based on findings from the cohort analyses (aim 1) and qualitative methods (aim 2). The risk of melanoma will be examined regarding: a) the complex relationship of cumulative (sun exposure during each decade of life) and intermittent sun exposure (sunburns and sunny vacations), b) factors affecting behavior including attitudes about sun exposure and prevention, and c) the use of tanning salons and sunless tanning creams, particularly in spouses (expected to be rare overall). The final aim is to use the results from the cohort and nested case-control studies to design a behavioral intervention, along with short computer automated telephone interview (CATI) that can be used in the whole AHS cohort or other farming populations. Funding for such studies will be sought through the R01) mechanism as an independent cancer control researcher. The behavioral intervention will be based on those factors that are the strongest risk factors for melanoma, highly prevalent, and easily modifiable. The behavioral intervention will be designed based on knowledge and skill gained from the Career Development Plan goals.
Study identification
- NCT ID
- NCT00901966
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 447 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 18 Years to 100 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 11, 2009
- Primary completion
- Oct 30, 2010
- Completion
- Feb 12, 2013
- Last update posted
- Oct 27, 2020
2009 – 2013
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| National Cancer Institute (NCI), 9000 Rockville Pike | Bethesda | Maryland | 20892 | — |
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 NCT00901966, 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 Oct 27, 2020 · Synced Sep 14, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00901966 live on ClinicalTrials.gov.