The present invention relates to a pharmaceutical composition comprising a salt of quaternary ammonium of an acid drug in the form of a suspension or an emulsion, suitable for parenteral administration and providing a sustained release of the drug. In one preferred embodiment, the present invention is directed to a long term sustained release composition for parenteral administration, comprising a salt of heparin or low molecular weight heparin in an emulsion with a salt of acylcholine, for the prevention and treatment of venous thrombosis and pulmonary embolism.
本发明涉及一种制药组合物,包括酸性药物的季
铵盐,其以悬浮液或乳状液的形式适用于肌内给药,并提供药物的持续释放。在一个优选实施例中,本发明涉及一种用于肌内给药的长期持续释放组合物,包括
肝素盐或低分子量
肝素与
乙酰胆碱盐的乳状液,用于预防和治疗静脉血栓和肺栓塞。