binkaarukaroido approximately 1 - approximately 20 percentages by weight and the living body compatibility polymer approximately 50 - approximately 99 percentages by weight being the nano grain for remedy which is included, as for the said living body compatibility polymer, a) the jib lock the poly (milk) Acid - poly (ethylene) glycol copolymer b) the jib lock the poly (milk) - ko - glycol Acid - the poly (ethylene) glycol copolymer c) description above a) with poly (the milk) Acid homo- polymer or combination, and d with the poly lactic acid - ko - glycol Acid) description above b) with poly (milk) the Acid homo- polymer or the poly lactic acid - ko - glycol AcidThe nano grain for remedy which is chosen from the group which consists of combination.ビンカアルカロイドを約1~約20重量パーセント及び生体適合性ポリマーを約50~約99重量パーセント含む治療用ナノ粒子であって、該生体適合性ポリマーは、a)ジブロックポリ(乳)酸-ポリ(エチレン)グリコールコポリマーb)ジブロックポリ(乳)-コ-グリコール酸-ポリ(エチレン)グリコールコポリマーc)上記a)とポリ(乳)酸ホモポリマー又はポリ乳酸-コ-グリコール酸との組み合わせ、及びd)上記b)とポリ(乳)酸ホモポリマー又はポリ乳酸-コ-グリコール酸との組み合わせからなる群から選択される治療用ナノ粒子。
