The trial failed to replicate earlier findings suggesting that methylphenidate was superior to placebo. The low retention rate confounded the ability to draw firm conclusions about efficacy. The higher retention rate was observed in the methylphenidate arm. Any replication of this work would need to consider alternatives to the rigid clinic attendance criteria, and consider an increased dose.

Online training is an appropriate and economical method of improving pharmacists' clinical skills with respect to this client group, and has the potential to reach a wider audience of pharmacists. Further research is required to investigate OST client experiences in community pharmacy.

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