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This is an educational intervention study for breast cancer patients who undergo tamoxifen treatment. The purpose of the study is to assess the impact of decision aids (DA) on the patients' decision-making process, compliance on drug, and knowledge regarding tamoxifen treatment. Patients will randomly assign to DA group or conventional group. Both groups will have baseline questionnaire surveys before starting tamoxifen treatment, and 4 weeks later follow-up questionnaire surveys.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Decision aids | Experimental |
| |
| usual care | No Intervention |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Decision aids (tamoxifen-related educational materials in brochure or mobile app) | Behavioral | Decision aids (tamoxifen-related educational materials in brochure or mobile app) |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in Knowledge of Tamoxifen Scale | baseline, 4weeks later |
| Measure | Description | Time Frame |
|---|---|---|
| Decisional Conflict Scale | Assess the decisional conflict regarding tamoxifen treatment | baseline, 4weeks later |
| Satisfaction with Decision Questionnaire | Assess the satisfaction with decision to undergo tamoxifen treatment |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D001943 | Breast Neoplasms |
| ID | Term |
|---|---|
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D001941 | Breast Diseases |
| D012871 | Skin Diseases |
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| ID | Term |
|---|---|
| D003661 | Decision Support Techniques |
| D013629 | Tamoxifen |
| ID | Term |
|---|---|
| D008919 | Investigative Techniques |
| D013267 | Stilbenes |
| D001597 | Benzylidene Compounds |
| D001555 | Benzene Derivatives |
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| tamoxifen | Drug |
|
| baseline, 4weeks later |
| EORTC QLQ-C30 Questionnaire | Assess the quality of life before and during tamoxfen treatment | baseline, 4weeks later |
| EQ-5D Questionnaire | Assess the quality of life before and during tamoxfen treatment | baseline, 4weeks later |
| D017437 |
| Skin and Connective Tissue Diseases |
| D006841 |
| Hydrocarbons, Aromatic |
| D006844 | Hydrocarbons, Cyclic |
| D006838 | Hydrocarbons |
| D009930 | Organic Chemicals |