A Study of Pemetrexed in Small Cell Lung Cancer, Which Has Returned

Inclusion Criteria:

Diagnosis of small cell lung cancer
One prior treatment with chemotherapy or immunotherapy with greater than 3 weeks since the prior treatment
At least 18 years of age
Estimated life expectancy of at least 12 weeks
Ambulatory and capable of self-care(eg, up and about greater than 50% of waking hours)

Exclusion Criteria:

Have received treatment within the last 30 days with a drug that has not received FDA approval for any indication
Less than 2 weeks from radiation therapy
Other serious illness that would compromise the safety of the patient
Most second primary malignancies treated less than 5 years previously