Patent ID: 7863241

Claim:
A liquid or aerosolized composition, comprising a lung surfactant polypeptide, and a protease inhibitor, wherein the lung surfactant polypeptide is selected from the group consisting of: KLLLLKLLLLKLLLLKLLLLK, (SEQ ID NO: 1) KLLLLLLLLKLLLLLLLLKLL, (SEQ ID NO: 2) KKLLLLLLLKKLLLLLLLKKL, (SEQ ID NO: 3) DLLLLDLLLLDLLLLDLLLLD; (SEQ ID NO: 4) RLLLLRLLLLRLLLLRLLLLR; (SEQ ID NO: 5) RLLLLLLLLRLLLLLLLLRLL; (SEQ ID NO: 6) RRLLLLLLLRRLLLLLLLRRL, (SEQ ID NO: 7) RLLLLCLLLRLLLLCLLLR, (SEQ ID NO: 8) RLLLLCLLLRLLLLCLLLRLL, (SEQ ID NO: 9) or RLLLLCLLLRLLLLCLLLRLLLLCLLLR. (SEQ ID NO: 10) wherein the protease inhibitor is elafin and wherein the composition comprises about 0.1 to 10 dry weight percent of the lung surfactant polypeptide .