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Cannabidiol (CBD) is an alkaloid present in Cannabis sativa , along with tetrahydrocannabinol (THC) and more than 100 other substances belonging to a group of compounds called cannabinoids. Whereas the legal status and medical use of Cannabis is a controversial issue in many countries, inconsistent legislation makes CBD status even more complicated. Some CBD products are legal in some countries, while banned in other countries, further compounding the confusion. In 2018, the Food and Drug Administration (FDA) approved the first CBD containing medical product, Epidiolex ® , for the treatment of paediatric seizures. Currently, several clinical trials are in progress for the potential treatment of neurologic and behavioural disorders. CBD's current legal and regulatory status is a continuously evolving issue; the current review is presenting historical and present information regarding the use of CBD products worldwide.

Obtaining orodispersible tablets (ODT) containing substances from the second Biopharmaceutical Class has raised concerns as the dissolution test is challenging. This study aimed to select suitable excipients for developing orodispersible tablets containing cannabidiol (CBD) by direct compression method. No similar studies were found in the literature. Excipients from different classes were characterized using the SeDeM-ODT tool: fillers – lactose (LCT) and microcrystalline cellulose (CelMC), sweeteners – sorbitol (SRB) and mannitol (MNT), disintegrants – sodium starch glycolate (SSG), sodium croscarmellose (CCS), soy polysaccharides (Emcosoy® – EMCS) and two co-processed excipients (Prosolv®-ODT G2 – PODTG2 and Prosolv® EasyTab sp – PETsp). Drug compatibility with excipients in binary mixtures (1:1) was verified by Differential Scanning Calorimetry (DSC) and Fourier Transform-Infrared (FTIR) spectroscopy. Using the SeDeM-ODT expert system, the fillers and the co-processed excipients showed good properties regarding compressibility and disintegration behavior. Also, the DSC and FTIR results showed that small or no interactions between the CBD and the excipients took place. [ABSTRACT FROM AUTHOR]