The present invention provides methods for treating a subject that has suffered combined exposure to total body ionizing irradiation and burns by administering a peptide of at least 5 amino acids of a peptide of SEQ ID NO:1 (Asp-Arg-Nle-Tyr-Ile-His-Pro), or a pharmaceutical salt thereof in an amount effective to treat the radiation effects and/or the burn.本発明は、全身電離放射線と熱傷との複合曝露を受けている患者を治療するための方法を提供する。