Interestingly these two pharmacokinetic observations cannot fully explain the reason, why patients resistant to both the medication alone, can respond to their combination therapy.[4] There
may be some pharmacodynamics factors involved also. But question may be raised whether sequence of introduction of medications may have some role in this augmentation strategy, as clearly it is safer to augment a partial responder with optimal dose of clozapine with amisulpride than the
reverse, because there are more chances of producing side effects in the later schedule. Further systematic research is required to study, whether it is mere association or sequence of introduction of medications may have some role in augmentation strategies and also the exact nature of amisulpride, clozapine drug interaction and possible reasons behind it.