Subjects participating in only Part A or Part B will have approximately 9 study site visits over 18 weeks. Part C will include monthly visits to the study site for 9 months. Thereafter, visits will occur every 3 months. A subject with stable disease or response may continue ASN001 treatment with the approval of the investigator; treatment can continue until a subject experiences an intolerable adverse event (AE) or disease progression, withdraws consent or until termination of the study by the sponsor. At the end of treatment, a post-treatment period of 4 weeks will commence that concludes with an end-of-study visit.