Erlotinib Hydrochloride With or Without Celecoxib in Treating Patients With Stage IIIB-IV Non-Small Cell Lung Cancer

Inclusion

Pathologically proven NSCLC, stage IIIB (defined as: with pleural effusion or recurrence after mediastinal radiation and chemotherapy) or IV
Available tumor tissue for mutation screening
Measurable stage IIIb or IV disease by RECIST guidelines
ECOG performance status of 0 or 1
Progressive disease despite >= 1 prior chemotherapy regimens as standard of care or subject's refusal or inability to receive standard chemotherapy
Normal renal function (defined as serum creatinine =< 2mg/dl)
Normal liver function (defined as serum total bilirubin =< 1.5, and serum transaminases =< 2.5X the upper limits of normal [ULN]); if liver metastases are present, serum transaminases > 5X the ULN
No evidence of coagulopathy (defined as PT and/or PTT =< 1.5X ULN or platelets >= 100,000)
No evidence of leukopenia (defined as absolute neutrophil count >= 1,500 mm^3)
Negative pregnancy test prior to initiation of treatment and adequate contraception throughout treatment

Exclusion

Cytotoxic chemotherapy agents within 4 weeks of initiating treatment; all toxicities must be recovered to baseline or NCI CTCAE v3.0 Grade 1 from all acute effects of prior cancer treatment, except alopecia or any clinically insignificant effect, prior to study initiation
Evidence of NYHA class III or greater cardiac disease, history of myocardial infarction, cerebral vascular accident, symptomatic ventricular arrhythmia, or symptomatic conduction abnormality
Non-cytoxic therapy within 2 weeks of initiating treatment ; all toxicities must be recovered to baseline or NCI CTCAE v3.0 Grade 1 from all acute effects of prior cancer treatment, except alopecia or any clinically insignificant effect, prior to study initiation
Prior radiotherapy to target lesions is not permitted unless completed more than 4 weeks prior to treatment within the study and that there has been documented progression at these sites (Radiotherapy to non-target lesions is permitted within 2 weeks of study entry provided all acute effects of the radiotherapy have resolved at least grade 1)
Comorbid disease or a medical condition that would impair the ability of the subject to receive or comply with the study protocol
Prior malignancy within the last 3 years with the exception of non-melanoma skin cancer or cervical cancer in situ
Hypersensitivity of erlotinib or celecoxib or to any of the excipients of these products
Hypersensitivity to sulfonamides, aspirin or other NSAIDS
Prior history of EGFR inhibitor for the treatment of cancer
Previous history of gastrointestinal ulceration, bleeding or perforation
Concurrent use of COX-2 inhibitors or other NSAIDS (For subjects on NSAIDS prior to study initiation, cessation of the drug for 72 hours prior to study entry is required)
Chronic or concurrent use of steroids (topical steroids are acceptable if medically indicated)
Subjects who require treatment with fluconazole or lithium
Any evidence of clinically active interstitial lung disease (patients with chronic stable radiographic changes who are asymptomatic need not be excluded)
Renal insufficiency (defined as serum creatinine > 2 mg/dl)
Liver insufficiency (defined as serum total bilirubin > 1.5, or serum transaminases > 2.5C the upper limits of normal [ULN]); if liver metastases are present, serum transaminases > 5X the ULN
Coagulopathy (defined as PT and/or PTT > 1.5X ULN or platelets < 100,000)
Leukopenia (defined as absolute neutrophil count < 1,500/mm^3)
Pregnancy or inadequate contraception
Lactating females
Active CNS metastasis (stable, treated CNS metastasis acceptable)