Breast cancer Cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 18+ years 2. Female 3. Diagnosis of ER-positive invasive breast cancer, stages 1-3 and treated with curative intent 4. Completed surgery for breast cancer 5. Within 3 months of first oral AET prescription (tamoxifen or aromatase inhibitor) post breast cancer completion surgery 6. Completed chemotherapy (if applicable) 7. Able to access the internet 8. Has an email address 9. Are willing to use a support package with a web-based component
Exclusion criteria
Exclusion criteria: 1. Male 2. Evidence of metastatic disease i.e. stage 4 disease (M1 regardless of T and N status) 3. Have cognitive impairment sufficient to preclude participation, as judged by the clinical team 4. Had previous AET (for another breast cancer) 5. Are unable to read and understand English
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| AET adherence using combined self-report (Medical Adherence Report Scale (MARS-5) and prescription encashment records (e.g. Medication Possession Ratio (MPR); Timepoint(s): Baseline, 6 months, 12 months and 18 months | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Cancer-specific HR-QOL using Functional Assessment of Cancer Therapy scale- General (FACT-G); Timepoint(s): Baseline, 6 months, 12 months and 18 months 2. AET-specific HRQoL using Breast Cancer Trialist Prevention Checklist (BCPT; Timepoint(s): Baseline, 6 months, 12 months and 18 months 3. Cost-effectiveness using within-trial cost per quality-adjusted life year (QALY); QALYs; resource use and cost to NHS, patients and society, and EQ-5D-5L; Timepoint(s): Baseline, 6 months, 12 months and 18 months 4. Extent of adherence using MPR (continuous); encashment records and/or GP prescribing records throughout the study 5. Suboptimal implementation self-reported using MARS-5; Timepoint(s): Baseline, 6 months, 12 months and 18 months 6. Non-persistence, self-reported using >180 days gap in AET prescriptions; Timepoint(s): Baseline, 6 months, 12 months and 18 months | — |
Countries
England, Scotland, United Kingdom, Wales