A Study of JNS002 (Doxorubicin Hydrochloride Liposome Injection) in Relapsed or Refractory Multiple Myeloma

Inclusion Criteria: * Patients confirmed diagnosis of multiple myeloma with evaluable disease parameters (1.Presence of M-protein in the serum and/or urine, 2.Increased plasma cells in the bone marrow or biopsy-proven plasmacytoma, 3.Presence of related organ tissue impairment) * Patients with progression of disease after an initial response (complete, partial, or minimal response based on the EBMT criteria) to at least 1 line of therapy. Progression of disease before responding to an initial line of therapy with a non-anthracycline containing regimen that included (at a minimum) an alkylating agent or high-dose corticosteroids. Rituximab alone or experimental agents alone were not to be considered a line of therapy * Patients with progressive disease as defined by one of the following: i) \> 25% increase in M-protein, ii) Development of new or worsening lytic bone lesions, iii) Development of new or worsening plasmacytoma, iv) Development of new or worsening hypercalcemia (\> 11.5 mg/dL or 2.8 mmol/L corrected) that is not attributable to any other cause * Patients with measurable secretory disease defined as either: i) Serum monoclonal protein \> 1 g/dL, ii) Urine monoclonal (light chain) protein \> 200 mg/24 hours * Patients with Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1. ECOG performance status score 2 due to pain associated with bone disorder is eligible. Exclusion Criteria: * Patients with history of treatment with bortezomib * Patients with progressive disease while receiving an anthracycline-containing regimen * Patients with no change (NC) in disease status during initial therapy (patient must have had a response and then progression or progression while receiving initial therapy \[primary refractory disease\] * Patients with non-secretory disease (i.e., no measurable paraprotein in serum or urine * urine paraprotein level = 200 mg/24 hours) * Patients with prior treatment with doxorubicin or other anthracycline at cumulative doses greater than 240 mg/m2 (calculated using doxorubicin equivalent doses: 1 mg doxorubicin = 1 mg JNS002 = 1.8 mg epirubicin = 0.3 mg mitoxantrone = 0.25 mg idarubicin) * Patients with Grade 1 peripheral neuropathy with pain or Grade 2 or higher peripheral neuropathy, according to Common Terminology Criteria for Adverse Events (CTCAE) * Patients with clinically significant heart disease, New York Heart Association (NYHA) Class II or higher heart failure * Patients with viral hepatitis or chronic liver disease * Patients with pulmonary fibrosis or interstitial pneumonitis