Screening/Baseline
- Routine blood tests (Haematology and Biochemistry) as per hospital practice
- Research serum sample for proteomic studies (10ml blood sample)
- Routine pre-treatment CT but with formal RECIST/WHO measurements of tumour size
2 months Post Commencement of Treatment with erlotinib: Routine CT with RECIST/WHO assessment
4 months Post Commencement of Treatment with erlotinib: Routine CT with RECIST/WHO assessment
1 year Post Commencement of Treatment with erlotinib (as per current standard of care): Routine CT with RECIST/WHO assessment
Response Assessment: CT scans at baseline, at 2 and 4 months post commencement of therapy and one year after treatment with erlotinib will be analyzed with the emphasis on identification of disease progression.
Follow Up: Subsequent follow-up as per routine.