申请人:Hoechst Veterinär GmbH
公开号:EP0246910A2
公开(公告)日:1987-11-25
A coated veterinary implant including
(a) a veterinary implant including an effective amount of (i) an active ingredient selected from melatonin or related chemicals of the indole class, or mixtures thereof, and (ii) a veterinarily acceptable carrier or excipient, and
(b) a coating for said veterinary implant (a) formed from a physiologically compatible polymeric coating composition;
which implant, in use, releases the active ingredient at a rate sufficient to maintain the blood level of melatonin or related chemicals of the indole class at or above a level sufficient, and for a period sufficient, to regulate seasonal breeding activity and/or seasonal physiological responses of an animal to be treated.
一种带涂层的兽用植入物,包括
(a) 兽用植入物,包括有效量的(i)选自褪黑素或吲哚类相关化学品或其混合物的活性成分,和(ii)兽用可接受的载体或赋形剂,和
(b) 用于所述兽用植入物 (a) 的涂层,由生理上兼容的聚合物涂层组合物形成;
该植入物在使用过程中释放活性成分的速度足以将血液中褪黑激素或吲哚类相关化学物质的水平维持在足以调节待治疗动物的季节性繁殖活动和/或季节性生理反应的水平或以上,且维持时间足以调节待治疗动物的季节性繁殖活动和/或季节性生理反应。