| Exclusion Criteria: | 1) Prior treatment with pemetrexed therapy.
2) Patients planning to receive any other concomitant anticancer treatment including chemotherapy, radiation therapy, biologic agents or any other investigational drugs.
3) Women who are pregnant or breastfeeding may not participate in this trial. All women of childbearing potential must have a negative pregnancy test within 24 hours prior to enrolling in the study.
4) Inability to interrupt aspirin or other nonsteroidal anti-inflammatory agents for a 5-day period (8-day period for long-acting agents, such as piroxicam).
5) Inability and unwillingness to take folic acid or vitamin B12 supplementation.
6) Inability to take corticosteroids.
7) Prior malignancy except for the following: adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, adequately treated Stage I or II cancer from which the patient is currently in complete remission or other cancer from which the patient has been disease-free for >/= 5 years. |