Cepharanthine and Oral Lichen Planus Efficacy (COLE) study: protocol for a multicentre randomised controlled study assessing the efficacy and safety of cepharanthine with topical corticosteroids in oral lichen planus.
Takahiro YagyuuMasahiro IsogawaKazuhiko YamamotoTsutomu SugiuraYumiko MatsusueMasato KasaharaTadaaki KiritaPublished in: BMJ open (2023)
Japan Registry of Clinical Trials (jRCTs051220130).