The disclosure is directed to novel predictive methods and personalized therapies for treating asthma. Specifically, this disclosure relates to methods of treating a patient having asthma by selectively administering an IL-13 antagonist, on the basis of that patient being genetically predisposed to have a favorable response to treatment with the IL-13 antagonist. Also disclosed herein are transmittable forms of information, diagnostic methods, and kits useful in predicting the likelihood that a patient having asthma will respond to treatment with an IL-13 antagonist.本發明係關於用於治療氣喘之新穎預測性方法及個人化療法。具體而言,本發明係關於藉由選擇性投與IL-13拮抗劑治療患有氣喘之患者的方法,此係基於該患者在遺傳上對以IL-13拮抗劑之治療傾向於具有有利地響應。本文中亦揭示用於預測患有氣喘之患者將響應對以IL-13拮抗劑之治療之可能性的可傳輸形式之資訊、診斷方法及套組。