From UNC Chapel Hill: Maintenance therapy for lung cancer

"Phase III trials have not revealed an improvement in quality of life with maintenance therapy."

http://www.ncbi.nlm.nih.gov/pubmed/21127437

J Thorac Oncol. 2010 Dec 1. [Epub ahead of print]
Maintenance Therapy in Advanced Non-small Cell Lung Cancer: Current Status and Future Implications.
Stinchcombe TE, Socinski MA.
Lineberger Comprehensive Cancer Center at University of North Carolina, Chapel Hill, NC.