Ages Eligible for Study:
18 Years and above,

Genders Eligible for Study:
Both

Inclusion Criteria (what you must have in order to enter the trial):

Disease Characteristics

• You have squamous cell carcinoma of the head and neck
• The cancer cells express the Ep-CAM molecule (which you will be tested for once you enter the trial)
• Your have received therapy for the cancer but the cancer persisted or came back

Prior/Concurrent Therapy

• It has been at least 2 weeks since the last dose of
  anti-cancer therapy or radiotherapy or 4 weeks since
  any investigational therapy and the first dose of the study drug

Patient Characteristics

• ECOG score of 0, 1, 2 or 3.
• No renal or hepatic disease

Other

• Patients must not become pregnant while participating in this trial

Exclusion Criteria (reasons you will not be allowed to enter into the trial):

• You are eligible to have surgery to treat your cancer
• You are eligible to receive additional chemotherapy or radiation therapy to treat your cancer
• You have a nasopharyngeal tumor
• Your tumors are prone to bleeding
• You are on a “blood thinning medication” and you can not stop taking the medication
• Your cancer has spread to other parts of your body including to the brain.