Each of these drugs, Velcade®, Doxil®, Dexamethasone and Revlimid® are approved by the FDA (U.S. Food and Drug Administration). They have not been approved in this combination for use for your type of cancer or any other type of cancer. Velcade® is currently approved by the United States Food and Drug Administration (US FDA) for the treatment of multiple myeloma patients who have received at least one prior therapy. Doxil® has recently been approved by the US FDA for multiple myeloma in combination with Velcade® in patients who have not previously received Velcade® and have received at least one prior therapy. Dexamethasone is commonly used, either alone, or in combination with other drugs, to treat multiple myeloma. Revlimid® is currently approved by the US FDA in combination with dexamethasone for the treatment of patients with multiple myeloma who have received at least 1 prior therapy.