Safety and Dose Study of GRN163L Administered to Treat Patients With Refractory or Relapsed Multiple Myeloma

Inclusion Criteria:

* Confirmed diagnosis of multiple myeloma (either secretory or nonsecretory disease)
* Relapsed or refractory disease
* At least two prior treatment regimens
* ECOG performance status 0-2
* Adequate hepatic/renal function and platelet count
* If previously treated with an anthracycline, anthracenedione, or trastuzumab, must have left ventricular ejection fraction \> 50%

Exclusion Criteria:

* Prior allogeneic bone marrow transplant, including syngeneic transplant
* Known intracranial disease or epidural disease
* Prior malignancy (within the last 3 years)
* Clinically significant cardiovascular disease or condition
* Active or chronically recurrent bleeding (eg, active peptic ulcer disease
* Prolongation of PT or aPTT \> the ULN or fibrinogen \< the LLN
* Clinically relevant active infection
* Serious co-morbid medical conditions, including cirrhosis and chronic obstructive or chronic restrictive pulmonary disease
* Symptomatic hyperviscosity syndrome
* Any other cancer therapy within 3 weeks prior to study, except for mitomycin C, nitrosoureas, or high-dose chemotherapy with stem cell support within 6 weeks prior to study
* Investigational therapy within 4 weeks prior to study
* Anti-platelet therapy within 2 weeks prior to study, other than low dose aspirin prophylaxis therapy and low dose heparin administration for management of IV access devices
* Radiation therapy within 4 weeks prior to study
* Major surgery within 4 weeks prior to study
* Active autoimmune disease requiring immunosuppressive therapy
* Known positive serology for HIV