| Inclusion Criteria: | 1) Histologically confirmed SCC (without NPC) originating from any site in the head and neck, or histologically confirmed NPC.
2) Patients with recurrent locoregional and/or distant metastatic head and neck (SCCHN or NPC) who are not suitable for local therapy. Eligible patients must be platinum-based chemotherapy refractory defined as; -Progression or recurrence during or within 12 months of receiving a platinum-based regimen as part of primary curative treatment* or for metastatic/recurrent disease. -No intervening systemic therapy allowed except biologics. *Concurrent platinum-based chemotherapy combined with radiotherapy as definitive therapy or post-operation adjuvant or neoadjuvant platinum-based chemotherapy.
3) Objective evidence of disease recurrence or metastatic disease
4) Age 18 >/= years old at study entry
5) Measurable disease according to RECIST guidelines
6) A score of 0-2 on the Eastern Cooperative Oncology Group (ECOG) performance scale
7) Hemoglobin > 9.0 g/dL
8) Platelet count >/= 100,000/uL
9) Absolute neutrophil count (ANC) >/= 1500/microliters
10) Serum creatinine </= 1.5 mg/dL; if >1.5 mg/dL, a calculated creatinine clearance must be equal and more than 50 mL/min
11) Total bilirubin </= 1.5 mg/dl
12) Transaminases (aspartate aminotransferase [AST], alanine aminotransferase [ALT]) </= 2 times the upper limit of normal (ULN) (may be </= 5 times ULN if due to metastatic disease in the liver).
13) Fertile men and women, and their partners, must use a medically effective contraception method (spermicide with male or female condoms, cervical sponge, IUD, cervical cap, or diaphragm or oral, implantable, transdermal, or injectable contraceptives) throughout the treatment period and for 30 days after the last dose of study medication. Premenopausal women of reproductive capacity and women less than 12 months after menopause must have a negative pregnancy test documented prior to study entry.
14) Signed written informed consent per institutional and federal regulatory requirements. |