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Spots Global Cancer Trial Database for Decision Making on Radioactive Iodine Treatment for Papillary Thyroid Cancer

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Trial Identification

Brief Title: Decision Making on Radioactive Iodine Treatment for Papillary Thyroid Cancer

Official Title: Decision Aid on Radioactive Iodine Treatment for Early Stage Papillary Thyroid Cancer (Randomized Controlled Trial)

Study ID: NCT01083550

Conditions

Thyroid Cancer

Study Description

Brief Summary: In this study, we will test, using a randomized controlled trial design, whether the use of a computer-based decision aid (DA) may improve general knowledge and reduce personal decisional conflict in patients with early stage papillary thyroid cancer (PTC), when compared to usual care. Patients with early stage PTC will be required to have surgical pathologic criteria for which adjuvant RAI treatment may be considered optional.

Detailed Description: A. Primary research question In patients with early stage papillary thyroid cancer, does the administration of a computerized decision aid improve the score on a test of knowledge about early stage PTC and adjuvant RAI treatment, when compared to usual care? (The knowledge score is a sum of positive responses from a total of 10 true/false questions in a self-administered questionnaire, to be administered at the study visit, Q2A). B. Secondary research questions 1. In patients with early stage PTC, does the administration of a computerized decision aid reduce overall decisional conflict (as well as the following respective subscales - informed subscale, uncertainty subscale, and effective decision subscale), when compared to usual care? (Decisional Conflict questionnaire, DCS). 2. In patients with early stage PTC, does the administration of a computerized decision aid, improve reduce decisional regret relating to RAI decision making after the final decision has been made? (Decision Regret Questionnaire, DRQ) 3. In patients with early stage PTC, does the administration of a computerized decision aid, reduce the number of participants receiving adjuvant radioactive iodine treatment (analysis for all participants, as well as those who are not already on a waiting list for radioactive iodine treatment at the time of recruitment, respectively)? 4. Do the respective monitoring or blunting scores on the Miller Behavioral Style Scale (MBSS) correlate with the number of clicks for information performed by participants reviewing the decision aid? (subgroup analysis in the decision aid intervention group) 5. Do the respective monitoring or blunting scores on the Miller Behavioral Style Scale (MBSS) correlate with the score on a test of knowledge about early stage PTC and adjuvant RAI treatment? (Respective analyses planned for entire study population, as well as the intervention and control groups) 6. What are the main reasons why RAI treatment is selected or not selected (after the decision has been finalized), grouping descriptions according to exposure or non-exposure to a computerized decision aid? (See Follow-up questionnaire \[administered by telephone\], question 2, qualitative description, with reasons to be coded and quantified using mixed methods). NOTE: In the original design of this study, we hoped to utilize a modified Client Satisfaction Questionnaire for assessment of satisfaction of patient participants and physicians as secondary trial outcomes. However, we are unable to utilize any modified Client Satisfaction Questionnaires in this study, because of lack of permission from the original developer of the Client Satisfaction Questionnaire-8, who has copyrighted and trademarked the questionnaire and prohibits such modifications. No modified client satisfaction questionnaire results have been analyzed in this study and will not be analyzed. Study design The project design will be a single-centre randomized controlled trial conducted at University Health Network. The participants will be randomized to a) the decision aid group (in addition to usual care \[counseling by his or her physician, called usual care\]) or b) usual care. The DA will be available only to participants during the study (not the public or treating physicians). The decision aid testing will be performed at the Toronto General Hospital. 15-23 Month Extended Follow-up Study: After initiation of the primary study above, we were subsequently awarded funding to contact the enrolled study participants about 15 and 23 months post-randomization to inquire for permission to participate in an extended follow-up study. The extended follow-up study was approved by the University Health Network Research Ethics Board. Participants from the original randomized controlled trial (above) are contacted by telephone for consent to participate in the extended follow-up study, which is considered exploratory (secondary). The extended follow-up study includes a quantitative questionnaire telephone interview component and a qualitative component. For the quantitative questionnaire component, a single telephone interview is performed updating demographics, thyroid cancer outcomes/treatments (with confirmatory medical record review and administering quantitative questionnaires verbally. A participants consenting to the extended follow-up study are also offered the opportunity to participate in an in-depth qualitative study, involving a one-on in-person interview (which is audio-recorded, transcribed, and analyzed using qualitative methods). A representative subgroup of about 15-30 participants are invited in the qualitative interview and sampling continued until saturation of themes is achieved. The following exploratory questions are to be addressed in the quantitative component of the extended follow-up study (about 15-23 months post-randomization): 1. To what degree do participants in the study (decision aid and control groups) perceive themselves to be respectively informed and satisfied with the original radioactive iodine treatment decision? The results in respective study arms are compared. 2. To what degree do participants in the study (decision aid and control groups) perceive themselves to regret their original radioactive iodine treatment decision? The results in respective study arms are compared. 3. To what degree do participants in the study (decision aid and control groups) perceive current cancer-related worry (Assessment of Survivor Concerns Questionnaires)? The results in respective study arms are compared. 4. To what degree do participants in the study (decision aid and control groups) perceive trust in their treating physician (Trust in Physician Scale)? The results in respective study arms are compared. 5. How do participants in the study (decision aid and control groups) perceive their mood (PHQ-4 questionnaire)? The results in respective study arms are compared. The qualitative subgroup study includes semi-structured questions on the experiences of radioactive iodine treatment decision-making, overall thyroid cancer treatment satisfaction, and study participation. Exploratory Telephone Survey Study - 24 months or longer after randomization: After initiation of the primary study above, we were subsequently awarded pilot study funding to contact the study participants on one occasion, two or more years post-randomization to inquire for permission to participate in an exploratory telephone survey study, intended to guide future research directions, and generate data for possible use in sample size calculations for potential future studies. The 24 month or longer post-randomization exploratory telephone survey study was approved by the University Health Network Research Ethics Board. Participants from the original randomized controlled trial (above) are contacted by telephone for consent to participate in the study, which is considered exploratory (secondary) and is thus, hypothesis-generating. The telephone survey exploratory study (2 or more years post-randomization) consists of quantitative telephone questionnaires. A single telephone interview is performed updating demographics, thyroid cancer outcomes/treatments (with confirmatory medical record review and administering quantitative questionnaires verbally. The following exploratory questions are to be addressed in the exploratory 24 month (or longer) post-randomization study. For all of the analyses below, descriptive data will be described for the entire study population, and if sample size permits, subgroup analyses according to decision aid status, radioactive iodine status, and age (\<45 years at time of original surgery or 45 years or older at time of original surgery), and recurrence status, will be considered. 1. To describe the Cancer Impact in consenting participants, 2 or more years post-randomization. For participants in whom a negative financial impact of cancer is reported, an additional question is posed requesting explanation of this impact. 2. To describe the Information Needs of consenting participants, 2 or more years post-randomization. 3. To describe the General Concerns of consenting participants, 2 or more years post-randomization. 4. To describe cancer-related worry (Assessment of Survivor Concerns Questionnaires) two or more years following randomization.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

University Health Network, Toronto, Ontario, Canada

Contact Details

Name: Annie M Sawka, MD, PhD

Affiliation: University Health Network, Toronto

Role: PRINCIPAL_INVESTIGATOR

Name: David P Goldstein, MD

Affiliation: University Health Network, Toronto

Role: STUDY_DIRECTOR

Useful links and downloads for this trial

Clinicaltrials.gov

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