The invention provides 4-[1-(aminocarbonyl)-4-piperidinyl]amino}-N-[(3,4-dimethylphenyl)methyl]-1-ethyl-1H-pyrazolo[3,4-b]pyridine-5-carb oxamide, which is the compound of formula (I), or a salt thereof. The invention also provides the use of said compound or a pharmaceutically acceptable salt thereof as an inhibitor of phosphodiesterase type IV (PDE4), for example in the treatment and/or prophylaxis of an inflammatory and/or allergic disease, cognitive impairment or depression in a mammal. In particular, the invention provides the use of the compound or pharmaceutically acceptable salt in the treatment and/or prophylaxis of atopic dermatitis in a mammal, for example by external topical administration to the mammal such as a human. Pharmaceutical compositions containing said compound or salt, in particular suitable for external topical administration, are also provided.
本发明提供了化合物4-[1-(
氨基甲酰基)-4-
哌啶基]
氨基}-N-[(3,4-二甲基苯基)甲基]-
1-乙基-1H-吡唑并[3,4-b]吡啶-5-羧酰胺,该化合物为式(I)的化合物或其盐。本发明还提供了该化合物或其药学上可接受的盐作为
磷酸二酯酶IV型(PDE4)
抑制剂的用途,例如在哺乳动物中治疗和/或预防炎症和/或过敏性疾病、认知障碍或抑郁症。特别地,本发明提供了该化合物或其药学上可接受的盐在哺乳动物中治疗和/或预防特应性皮炎的用途,例如通过外部局部给药给哺乳动物,如人类。还提供了含有该化合物或盐的制药组合物,特别适用于外部局部给药。