The present invention represents the following formula (I) (wherein R1 represents -NR1aR1b (wherein R1a and R1b are the same or different and represent a hydrogen atom, etc.), and R2 represents the following formula (R2-1) [ In the formula, k and m each represent an integer of 0 to 2, n represents an integer of 0 to 2, L represents a single bond, R5 represents halogen or the like, R6 represents aryl or the like, X represents -CR8 (wherein R8 represents a hydrogen atom and the like), R7 represents a hydrogen atom and the like] and the like, R3 represents -SO2R13 (wherein R13 represents lower alkoxy and the like) and the like, R4 represents a hydrogen atom or the like, and provides a prophylactic and / or therapeutic agent for ocular inflammatory diseases containing a pyrazolopyrimidine compound or a pharmaceutically acceptable salt thereof as an active ingredient.本発明は、下記式(I){式中、R1は-NR1aR1b (式中、R1a及びR1bは同一または異なって、水素原子等を表す)等を表し、R2は下記式(R2-1)[式中、k及びmはそれぞれ0～2の整数を表し、nは0～2の整数を表し、Lは単結合等を表し、R5はハロゲン等を表し、R6はアリール等を表し、Xは-CR8 (式中、R8は水素原子等を表す)等を表し、R7は水素原子等を表す]等を表し、R3は-SO2R13 (式中、R13は低級アルコキシ等を表す)等を表し、R4は水素原子等を表す}で表されるピラゾロピリミジン化合物またはその薬学的に許容される塩を有効成分として含有する眼炎症性疾患の予防及び／または治療剤等を提供する。
