|Inclusion Criteria:||1) Patients with a diagnosis of solid tumors who are at high risk for chemotherapy-induced severe thrombocytopenia related to the following regimens: (a) Carboplatin (AUC=11); (b) AI regimen (adriamycin 75-90mg/m2, Ifosfamide 10gm/m2); (c) High dose Ifosfamide (14gm/m2)|
2) Age >/= 18 years.
3) Adequate hematologic (ANC >/= 1500/mm^3, platelet count >/= 100 x 10^9/L and Hgb >/= 8 gm/dL), renal (serum creatinine </= 2.0 mg/dL), and hepatic functions (total bilirubin </= 2 times, SGPT or SGOT </= 3 times the upper limit of the respective normal range).
4) Karnofsky Performance Status >/= 80
5) Signed informed consent form
6) Patients with childbearing potential (defined as not post-menopausal for 12 months or no previous surgical sterilization) must have a negative pregnancy test and use adequate birth control. [i.e. oral contraceptives, spermicide with either a condom, diaphragm or cervical cap, use of an intrauterine device (IUD), or abstinence].