Eligibility Criteria:
Inclusion Criteria:
* Histologically confirmed solid tumors or lymphomas
* Tumor progression observed after receiving standard/approved systemic chemotherapy and/or immunotherapy including monoclonal antibodies, or when there is no approved or effective therapy
* One or more measureable tumors by radiological evaluation
* Karnofsky performance ≥ 70%
* Life expectancy of ≥ 3 months
* Age ≥ 18 years
* Signed, written IRB-approved informed consent
* Negative pregnancy test (if female)
* Adequate liver function:
* Bilirubin less than or equal to 1.5 x upper limit of normal (ULN)
* AST (SGOT), ALT (SGPT) and Alkaline phosphatase less than or equal to 2.5 x ULN (if liver metastases are present, then less than or equal to 5 x ULN is allowed)
* Adequate renal function:
* Serum creatinine within normal limits, OR calculated creatinine clearance ≥ 60 mL/min/1.73 m2 for patients with serum creatinine above institutional ULN.
* Corrected serum calcium ≥ lower limit of the institutional normal range (LLN)
* Serum phosphorus level ≥ LLN
* Adequate hematologic function:
* Absolute Neutrophil Count ≥ 1500 cells/mm3
* Platelet count ≥ 100,000 (cells/mm3)
* Hemoglobin ≥ 9 g/dL
* Urinalysis:
* No clinically significant abnormalities
* Adequate coagulation function:
* PT ≤ 1.25 x ULN
* PTT ≤ 1.25 x ULN
* For men and women of child-producing potential, agreement to use effective contraceptive methods during the study
Exclusion Criteria:
* New York Heart Association Class III or IV, cardiac disease, myocardial infarction within the past 6 months, unstable arrhythmia, or evidence of ischemia on ECG
* Active, uncontrolled bacterial, viral, or fungal infections requiring systemic therapy
* Pregnant or nursing women. NOTE: Women of childbearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; or abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect that she is pregnant while participating in this study, she should inform her treating physician immediately.
* Major surgery within 4 weeks prior to Day 1, or not fully recovered by Day 1
* Minor surgery within 2 weeks prior to Day 1, or not fully recovered by Day 1
* Treatment with radiation therapy within 4 weeks prior to Day 1.
* Received systemic chemotherapy or monoclonal antibody or other immunotherapy within 4 weeks prior to Day 1 (exceptions: 6 weeks for nitrosourea, mitomycin C, or any agent with a known treatment effect \> 4 weeks' duration), or not fully recovered from any side effects from previous therapy by Day 1
* History of allergic reactions attributed to excipients or chemical products used in the final GO-203-2c drug formulation
* Known infection with HIV, hepatitis B, or hepatitis C.
* Subjects with risk factors for gastrointestinal perforation or pulmonary hemorrhage (e.g. unresected luminal intestinal cancers; abdominal carcinomatosis within 3 months before the first dose of study drug, abdominal fistula, acute diverticulitis, peptic ulcer disease, irritable bowel syndrome, Crohn's disease, pulmonary hemorrhage, hemoptysis, or tuberculosis)
* Currently receiving or having received treatment with any other investigational agent within 4 weeks prior to Day 1, or not fully recovered from toxicities of prior treatment by Day 1
* Serious and/or poorly controlled non-malignant disease (including but not limited to, ongoing or active infection, hydronephrosis, hypertension, diabetes, or other conditions) that could compromise protocol objectives in the opinion of the Investigator and/or the sponsor. Patients with such conditions should be discussed with the Medical Monitor prior to enrollment. All medical conditions must be NCI CTCAE Grade 1 or lower at baseline.
* Unwillingness or inability to comply with requirements of this protocol