Safety Study to Evaluate Monoclonal Antibody KW-0761 in Subjects With Peripheral T-cell Lymphoma

The starting dose will be 0.1 mg/kg administered i.v. once every week for four weeks, followed by a 2-week observation period in the first treatment course. Succeeding dose levels will include 0.3 and 1 mg/kg. If a subject has demonstrated an overall CR, may continue on study for up to an additional four infusions beyond CR on an every other week infusion schedule. If a subject experiences a PR or SD, the subject may continue therapy on an every other week infusion schedule until disease progression occurs or other withdrawal criteria are met.