The present application relates to novel pharmaceutical dosage forms comprising potent and selective inhibitors of TASK-1 and/or TASK-3 channels and use thereof for the treatment and/or prevention of respiratory disorders, including sleep-related respiratory disorders such as obstructive and central sleep apnoeas and snoring.本申請案關於包含TASK-1及/或TASK-3通道的強效和選擇性抑制劑的新穎醫藥劑型及其用於治療及/或預防呼吸病症,包括睡眠相關的呼吸病症,例如阻塞性與中樞性睡眠呼吸中止症(obstructive and central sleep apnoeas)和打鼾。