1.   Gene therapy approaches that involve injecting protective genes and growth factors directly into lung tumors to reverse the process of cancer development are also being studied.

2.   Osborne also indicated that a type of intermittent therapy approach against breast cancer appears to be effective in some patients who build up drug resistance.

3.   Targeted Genetics Corp., a Seattle-based biotechnology company, for example, is developing gene therapy approaches to cystic fibrosis and cancer that use different vector systems.

4.   That left investigators with the gene therapy approach.

5.   The controversy comes at a time when results of the first large-scale human studies of various gene therapy approaches are just emerging.

6.   The companies will study their gene therapy approach to HIV with the City of Hope National Medical Center and Childrens Hospital Los Angeles.

7.   The report is the strongest suggestion yet that a gene therapy approach might work for cancer.

8.   Dr. Lung-Ji Chang, the molecular biologist who developed the treatment with neurosurgeon Kenn Petruk, said the immunogene therapy approach is different from any other.

9.   Supporters of the gene therapy approach, who cite successes in pigs, may get their first hint of human results soon.