A lozenge is provided that has stable pH and stable levels of active ingredient over time. It comprises a combination of (i) at least one gum and (ii) at least one non-crystallising sugar or non-crystallising sugar alcohol in a matrix designed for controlled buccal delivery of a drug. The lozenge also contains water and optional components selected from flavourings, taste masking agents, colourings, buffer components, pH adjusting agents, excipients, stabilizers and sweeteners. Methods of preparing the lozenge are also provided.
本发明提供了一种具有稳定 pH 值和长期稳定活性成分含量的锭剂。它由(i)至少一种口香糖和(ii)至少一种非结晶糖或非结晶糖醇组合而成,其基质设计用于控制药物的口腔给药。锭剂还含有
水和可选成分,这些成分选自调味剂、掩味剂、色素、缓冲成分、pH 值调节剂、赋形剂、稳定剂和
甜味剂。此外,还提供了制备含片的方法。