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Completed

NCT Number: NCT01004952

Measuring Real Time Decision-Making About Ultraviolet Radiation (UVR) Protection

The purpose of this study is to understand how people make decisions about sun protection. This study is important in helping to protect against sun exposure, since it is a main risk factor for melanoma. The investigators would like to understand the decisions people make about sun protection so that they can improve their ability to help individuals who may be at risk for melanoma.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Memorial Sloan Kettering Cancer Center

New York, 10065, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • A first-degree biological relative (a child, sibling or parent) as per self report of an MSKCC follow-up surgical patient diagnosed with melanoma as per pathology report or clinician's judgment;
  • English-fluent; the surveys were designed and validated in English and are not currently available in other languages. Translation of questionnaires into other languages would require reestablishing the reliability and validity of these measures. Therefore, participants must be able to communicate in English to complete the surveys.
  • 18 years of age or older;
  • For Phase I only: FDRs who live within a 50 mile radius of MSKCC to make it feasible for Ms. Shuk to be able to arrive at each person's home for the in-home interview without the cost being prohibitive;
  • For Phase I only: Can recall a period when s/he was out in the sun for at least one hour on a sunny day this past summer 2009.
  • For Phase I only: Can recall a separate period when s/he was out in the sun for at least one hour on a sunny day this past summer 2009, but s/he was in a different location from the period referenced above.
  • For Phase II only: FDRs who self-report at least 1 consecutive hour in the morning (dawn to 12:30pm) and 1 consecutive hour in the afternoon (12:30-5pm) of daily (weekend and weekday) outdoor activities on the screening questionnaire

Exclusion criteria

  • First-degree relatives of melanoma patients who report never using UVR protection;
  • Patient's who provide consent for Phase I will not be eligible for Phase II.
  • Any first-degree relative of a melanoma patient who already has a first-degree relative who consented to the study;
  • Unable to provide informed consent.

Treatment and study plan

Screening Questionnaire

Behavioral

Phase I involves in-home interviews of 25 participants to understand the factors that affect participants' decision-making about UVR protection (sunscreen use, shade-seeking, hat use, use of protective clothing). In Phase II, we plan to recruit a sample of 60 melanoma first degree relatives (FDRs) and use an electronic narrative diary to record their daily behaviors about UVR protection. They will be asked to carry a interactive voice response (IVR) system for 14 days and they should be in the continental United States.

Primary outcomes

  1. Number of Participants Interviewed on UVR Protection Behaviors.

    Time frame: 1 year

    To generate models explaining decision-making about four UVR protection behaviors (sunscreen use, shade-seeking, hat use, use of protective clothing) in melanoma FDRs. This was an inductive, qualitative study using an open-ended interview to accomplish the Aim. Cohort 1 was used for this Aim.

Secondary outcomes

  1. To Examine Theory-driven Affective and Cognitive Predictors of UVR Protection Maintenance (Sunscreen Use, Shade-seeking, Hat Use, and Use of UVR Protective Clothing)Assessed in Real Time.

    Time frame: 1 year

    To examine theory-driven affective and cognitive predictors of UVR protection maintenance (sunscreen use, shade-seeking, hat use, and use of UVR protective clothing) assessed in real time. Phase 1 was not assessed for this Outcome Measure.

Sponsors and collaborators

Lead sponsor

Memorial Sloan Kettering Cancer Center

Other

Collaborators

  • San Diego State University
  • Stony Brook University
  • University of British Columbia

Registry information

Official study title

Measuring Real Time Decision-Making About UVR Protection

Important dates

Study start
2009
Primary completion
2024
Study completion
2024
First posted
Oct 30, 2009
Registry last updated
Jan 7, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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