This clinical trial is focused on studying a disease called Multiple Myeloma, which is a type of cancer that affects the blood. The study is testing a combination of treatments to see how effective they are for patients who have recently been diagnosed with this condition and are not eligible for a stem-cell transplant. The treatments being tested include Selinexor (also known by its code name KPT-330), Bortezomib, Lenalidomide, and Dexamethasone. These medications are taken either by mouth or through an injection under the skin.
The purpose of the study is to evaluate how well these treatments work together in helping patients with newly diagnosed multiple myeloma. Participants in the study will receive these medications in a specific order and combination over a period of time. The study will last for up to 76 weeks, during which the effectiveness of the treatment will be monitored. Some participants may receive a placebo as part of the study to compare the results with those receiving the actual medications.
Throughout the study, the health and progress of the participants will be closely monitored by healthcare professionals. The study aims to understand the overall response of the disease to the treatment, including any side effects or improvements in symptoms. This information will help in determining the best treatment options for patients with multiple myeloma in the future.



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