As per available reports about 3959 journals, 20 Conferences, 12 workshops are presently dedicated exclusively to Drug Delivery and about 159037 articles are being published on the current trends in Drug Delivery. In terms of research annually, USA, India, Japan, Brazil and Canada are some of the leading countries where maximum studies related to Drug Delivery are being carried out.

Drug delivery mainly refers to transporting a pharmaceutical compound in the body as needed to safely achieve its desired therapeutic effect. It may be involved in scientific site-targeting within the body, or it might involve in facilitating systemic pharmacokinetics; in any case, it is typically concerned with both quantity and duration of drug presence.