Development of an Educational Patient Decision Aid (Treatments in Advanced Cancer - Decision Aid, TA-DA) to Promote Shared Decision Making for Third-line or Beyond Palliative Systemic Therapy

Primary Objectives: The study objective is to develop an educational patient DA (Treatments in Advanced cancer - Decision Aid, TA-DA) to assist patients, their caregivers, and clinicians to make an informed decision about third-line or beyond palliative systemic therapy for advanced cancer. To fulfill the study's objectives, we will complete 3 study parts: Using qualitative methods, explore the decision-making needs of patients with advanced cancer, their caregivers, and clinicians, about third-line or beyond palliative systemic therapy; identify initial preferences and recommendations to in…