To provide materials and methods for the treatment of obesity and excess weight, diabetes, and other associated metabolic disorders; in particular, novel glucagon analogue peptides effective in such methods.SOLUTION: The present invention provides a compound having a specific amino acid sequence, or a pharmaceutically acceptable salt or solvate thereof, and a pharmaceutical composition containing them.SELECTED DRAWING: None【課題】肥満および体重過多、糖尿病、および他の関連する代謝性障害の治療のための材料と方法、特に、かかる方法で有効な新規グルカゴン類似体ペプチドの提供。【解決手段】特定のアミノ酸配列を有する化合物、またはその医薬的に許容し得る塩または溶媒和物、および、これらを含む医薬組成物。【選択図】なし