Inclusion Criteria:

- Patients with histologically confirmed solid tumors or lymphomas.

- Tumor progression after receiving standard/approved chemotherapy or where there is no
approved therapy.

- One or more tumors measurable on radiograph or CT scan, or evaluable disease. (e.g.,
malignant ascites)

- Karnofsky performance status of greater than or equal to 70.

- Life expectancy of at least 3 months.

- Age at least 18 years.

- Patients must have central IV access, or agree to the insertion of a central IV line.

- A negative urine pregnancy test (if female.)

- Acceptable liver function as evaluated by laboratory results

- Acceptable hematologic status as evaluated by laboratory results

- No clinically significant urinalysis abnormalities

- Acceptable coagulation status as evaluated by laboratory results

- Fertile men and women must use effective contraceptive methods during the study.

Exclusion Criteria:

- Seizure disorders not controlled by anticonvulsant therapy.

- Known brain metastases (unless previously treated and well controlled for a period of
greater than or equal to 3 months.)

- Severe chronic obstructive pulmonary disease with hypoxemia or a pulmonary compromise
not correctable with therapy.

- Major surgery, other than diagnostic surgery, within 4 weeks prior to the first
dose of test drug.

- Active, uncontrolled bacterial, viral, or fungal infections, requiring systemic
therapy.

- Pregnant or nursing women.

- Treatment with radiation therapy, surgery, chemotherapy, or investigational therapy
within 4 weeks prior to study entry (6 weeks for nitrosoureas or Mitomycin C.)

- Unwillingness or inability to comply with procedures required in this protocol.

- Known infection with HIV, hepatitis B, or hepatitis C.

- Clinically significant bleeding event within the last 3 months, unrelated to trauma,
or underlying condition that would be expected to result in a bleeding diathesis.

- Patients who are currently receiving any other investigational therapy.

- Patients who have exhibited allergic reactions to a similar structural compound
(e.g., fluoroquinolones), biological agent, or formulation.