If you decide to take part, you will receive investigational medication in the form of a shot every two weeks. At each visit you will be asked questions about your health and the medications you're taking. You will also answer questionnaires. Blood draws for routine tests should be expected at every onsite visit. The study team will will perform an ultrasound to measure the size of your spleen, an eye exam, a chest X-ray, an Echocardiogram (ECHO) of your heart and a possible bone marrow biopsy at screening. You have the option to take part in an optional bone marrow biopsy and optional genetic through your participation in the study.