Online Mindfulness-based Stress Reduction for Patients Receiving Chemotherapy

This study tests whether an online mindfulness-based stress reduction (MBSR) program — a structured 6-week course teaching meditation and relaxation techniques — can help women with non-metastatic breast cancer manage stress and anxiety while they are undergoing chemotherapy. Chemotherapy is physically and emotionally demanding, and mindfulness has shown promise in reducing psychological distress. This study makes the program fully online for easier access. **You may be eligible if...** - You are a woman aged 18 or older - You have been diagnosed with non-metastatic (early-stage) breast cancer - You are planning to start neoadjuvant or adjuvant chemotherapy within the next 4 weeks - You have internet access at home or on your phone - You are available to participate in the online program for 6 weeks and complete study surveys **You may NOT be eligible if...** - Your breast cancer has come back (recurrence) - You already have an active meditation or mindfulness practice - You are unable to read or write Talk to your doctor to see if this trial is right for you.