| Inclusion Criteria: | 1) Patient has a previous diagnosis of multiple myeloma, based on IMWG 2003 definitions all three of the following criteria had been met: a. Monoclonal immunoglobulin (M component) on electrophoresis, and on immunofixation on serum or on total 24 hour urine (or demonstration of M protein in cytoplasm of plasma cell for non secretory myeloma) . b. Bone marrow (clonal) plasma cells >/= 10% or biopsy proven plasmacytoma c. Related organ or tissue impairment (CRAB symptoms: anemia, hypercalcemia, lytic bone lesions, renal insufficiency, hyperviscosity, amyloidosis or recurrent infections)
2) Patient with 1 to 3 prior lines of therapy who requires retreatment of myeloma for one of the 2 conditions below: a. Relapsed, defined by disease that recurred in a patient that responded under a prior therapy, by reaching a MR or better, and had not progressed under this therapy nor up to 60 days of last dose of this therapy. Patients priorly treated by BTZ may be eligible. b. Relapsed-and-refractory to a therapy provided that meets both conditions: patient has relapsed to at least one prior line; and patient was refractory to another line (except BTZ), by either not reaching a MR, or progressed while under this therapy, or within 60 days of its last dose
3) Patient has measurable disease at study screening defined by at least one of the following measurements: Serum M-protein >/= 1 g/dL (>/= 10 g/L); Urine M-protein >/= 200 mg/24 h
4) Patient treated with local radiotherapy with or without concomitant exposure to steroids for pain control or management of cord/nerve root compression, is eligible. Two weeks must have lapsed since last date of radiotherapy, which is recommended to be a limited field. Patient who require concurrent radiotherapy should have entry to the protocol deferred until the radiotherapy is completed and 2 weeks have passed since the last date of therapy
5) Patient's age is >/= 18 years at time of signing the informed consent
6) Patient has an Eastern Cooperative Oncology Group (ECOG) performance status (PS) </= 2
7) Patient has the following laboratory values within 3 weeks before starting study drug (lab tests may be repeated, as clinically indicated, to obtain acceptable values before failure at screening is concluded but supportive therapies are not to be administered within the week prior to screening tests for ANC or platelet count) a. Absolute neutrophil count (ANC) >/= 1.5 x 10^9 /L; b. Platelet count >/= 100 x 10^9 /L; c. Serum potassium, magnesium, phosphorus , within normal limits (WNL) for institution d. Total calcium (corrected for serum albumin) or ionized calcium greater or equal to lower normal limits (> LLN) for institution, and not higher than CTCAE grade 1 in case of elevated value. e. AST/SGOT and ALT/SGPT </= 2.5 x ULN f. Serum total bilirubin </= 1.5 ULN (or </= 3.0 x ULN if patient has Gilbert syndrome) g. Serum creatinine levels </= 1.5 x ULN, or calculated creatinine clearance >/= 60 ml/min
8) Continued from # 7 : Note: Potassium, calcium, magnesium, and/or phosphorus supplements may be given to correct values that are < LLN.
9) Patient has provided written informed consent prior to any screening procedures
10) Patient is able to swallow capsules
11) Patient must be able to adhere to the study visit schedule and other protocol requirements
12) Women of childbearing potential (WOCBP) must have a negative serum pregnancy test within 7 days prior to start of study treatment |