Caphosol in Sarcoma Patients With Mucositis

The goal of this clinical research study is to find out if Caphosol® (calcium phosphate) mouthwash is more effective than a baking soda solution at preventing and treating mucositis, in patients with sarcoma who are to be treated with chemotherapy. The safety of this drug will also be studied. Researchers also want to learn about the way calcium phosphate may affect mucous membranes. The goal of this clinical research study is to see if Caphosol® (calcium phosphate) mouthwash is better than baking soda solution in patients with sarcoma who are to be treated with chemotherapy . Caphosol will also be studied to see if it lessens the incidence and severity of oral mucositis (painful sores in the mouth).