OUTLINE: This is a randomized, double blind, placebo controlled, multicenter study. Patients are stratified into two groups: patients with lung cancer and patients with all other solid tumor cancers. Patients are randomly assigned to receive 1 of the following treatments: Arm I: Patients receive intravenous zoledronate over 5 minutes every 3 weeks for 9 months. Arm II: Patients receive intravenous zoledronate at a higher dose over 5 minutes every 3 weeks for 9 months. Arm III: Patients receive intravenous placebo over 5 minutes every 3 weeks for 9 months. All patients receive oral calcium daily, and an oral multivitamin supplement. Quality of life is assessed prior to therapy, then at months 3, 6, and 9. Patients are followed every 6 months for survival.