$BKLLF / $CODE In oral mucosal drug delivery, an oral mucosal patch or orally disintegrating composition is applied to the mucosal surface of the oral cavity. Throughout the duration of the application of an oral mucosal patch or oral disintegrating composition, the drug is continuously released and delivered through the intact mucosa to achieve systemic effect. Therefore, once applied, oral disintegrating composition or oral mucosal method can deliver drug into systemic circulation throughout the day. Currently, RRL has started evaluating the possibility of delivering HCQ for more than one day using their novel oral drug delivery system.

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