The invention relates to the use of at least one leukotriene inhibitor for preparing a pharmaceutical composition for the prophylaxis and/or treatment of lung diseases, more particularly of bronchopulmonary dysplasia, in prematurely born infants. The invention further relates to a pharmaceutical composition for the prophylaxis and/or treatment of lung diseases, more particularly of bronchopulmonary dysplasia, in prematurely born infants, the pharmaceutical composition comprising at least one leukotriene inhibitor. The invention additionally relates to a method for the treatment and/or prophylaxis of a lung disease, more particularly of a bronchopulmonary dysplasia, in a prematurely born infant, where the prematurely born infant is administered a pharmacologically active amount of at least one leukotriene inhibitor.
