Perhaps because of its role in calcium absorption, high-dose vitamin D did appear to help maintain bone density at the neck of the femur, the top of the thighbone near the hip joint.
She said it could make bone marrow stem cell transplants an option for more patients, allowing doctors to collect and bank patients' own stem cells for use after high-dose chemotherapy.
The results show that patients receiving high-dose vitamin D every week reported significantly less musculoskeletal pain and also were less likely to experience pain that interfered with daily living.