Comprehensive Cancer Care Improvement Act of 2008

Comprehensive Cancer Care Improvement Act of 2008 - Amends title XVIII (Medicare) of the Social Security Act to provide for coverage of comprehensive cancer care planning services to provide individuals diagnosed with cancer a plan that details all aspects of the care to be provided. Requires the Secretary of Health and Human Services to establish standards for such services.

Directs the Secretary to conduct a two-year demonstration project under which Medicare payments will be made for comprehensive cancer care symptom management services furnished by an eligible entity in accordance with a described plan.

Directs the Secretary to make grants to eligible entities to: (1) establish new, or expand existing, palliative care and symptom management programs for cancer patients; (2) improve the quality of graduate and postgraduate training of physicians, nurses, and other health care providers in palliative care and symptom management for such patients; and (3) improve the quality of continuing professional education provided to qualified individuals regarding palliative care and symptom management for cancer patients.

Requires the Director of the National Institutes of Health (NIH) to establish a program of grants for research on palliative care, symptom management, communication skills, and other end-of-life topics for such patients.