Aerosol L9-NC and Temozolomide in Ewing's Sarcoma

Cycle 2, Dose Level 1 = 100 mg/m\^2 by mouth (PO) Daily, Days 1-5 Prior to L9-NC; Cycle 3, Dose Level 2 = If the patient has no toxicity greater than grade 2, advance to 100 mg/m\^2 PO Every 12 Hours, Days 1-5 Prior to L9-NC. If the patient is not able to advance to dose level 2, the patient may continue at dose level 1 as in cycle 2; Cycle 4 and beyond = Patients will continue on dose level 1 or 2 as given in cycle 3.

"Cycle 1 = Administered by aerosol 5 consecutive days per week for 2 weeks. A total of 10 ml of 0.4 mg/ml in an aerosol reservoir delivered over approximately 30 minutes per day given once a day, 5 days a week, for 2 weeks, followed by 2 weeks off.~Cycle 2, Dose Level 1 = Week 1, doses 1-5 preceded by temozolomide. Continue L9-NC once a day, 5 days a week, for 2 weeks, followed by 2 weeks off.~Cycle 3, Dose Level 2 = If the patient has no toxicity greater than grade 2, due to drug, during cycle 2, L9-NC may be increased to twice daily, approximately 12 hours apart. Week 1, the morning dose on days 1-5 preceded by temozolomide. L9-NC will be given twice a day, 5 days a week, for 2 weeks, followed by 2 weeks off. If the patient is not able to advance to dose level 2, the patient may continue at dose level 1 as in cycle 2.~Cycle 4 and beyond, patients will continue on dose level 1 or 2 as given in cycle 3."