Statement: Some the primary trial subjects receiving keratin are administered it topically twice daily for approximately 3-6 weeks, others participants may have it administered by ubcutaneous injection.
Primary_evidence: INTERVENTION 1:    Group I (Topical Keratin)   Patients receive topical keratin topically at least BID until the end of radiation therapy (approximately 3-6 weeks).   Quality-of-Life Assessment: Ancillary studies   Topical Keratin: Given topically INTERVENTION 2:    Group II (Standard of Care)   Patients receive standard of care as directed by radiation oncologist until the end of radiation therapy (approximately 3-6 weeks).   Best Practice: Receive standard of care   Quality-of-Life Assessment: Ancillary studies