Phase 3 and Extensional Study of Besifovir

Summary

To prove that a study drug is noninferior to a control drug with a proportion of subjects who showed HBV DNA undetected (less than 400 copies/mL (69 IU/mL)) at the 48th week after 48-week administration of Besifovir 150 mg, or Tenofovir 300 mg as a control drug to chronic hepatitis B patients

Timeline

Start

2013-10

Primary completion

2016-02

Completion

2023-01

Outcome

Met primary endpoint

paper 80.9% of patients given BSV and 84.9% of patients given TDF met the efficacy endpoint, indicating the non-inferiority of BSV to TDF. PMID 30448598 ↗

Publications

• Yim HJ, Kang SH, Jung YK, Ahn SH, Kim W, Yang JM, Jang JY, Kweon YO, Cho YK, Kim YJ, Hong GY, Kim DJ, Sohn JH, Lee JW, Park SJ, Yim SY, Park JK, Um SH. Reduced Risk of Hepatocellular Carcinoma in Patients with Chronic Hepatitis B Receiving Long-Term Besifovir Therapy. Cancers (Basel). 2024 Feb 22;16(5):887. doi: 10.3390/cancers16050887.
• Song DS, Kim W, Ahn SH, Yim HJ, Jang JY, Kweon YO, Cho YK, Kim YJ, Hong GY, Kim DJ, Jung YK, Sohn JH, Lee JW, Park SJ, Lee BS, Kim JH, Kim HS, Yoon SK, Kim MY, Lee KS, Lim YS, Lee WS, Yang JM, Kim KH, Han KH, Um SH. Continuing besifovir dipivoxil maleate versus switching from tenofovir disoproxil fumarate for treatment of chronic hepatitis B: Results of 192-week phase 3 trial. Clin Mol Hepatol. 2021 Apr;27(2):346-359. doi: 10.3350/cmh.2020.0307. Epub 2021 Jan 25.
• Yim HJ, Kim W, Ahn SH, Yang JM, Jang JY, Kweon YO, Cho YK, Kim YJ, Hong GY, Kim DJ, Jung YK, Um SH, Sohn JH, Lee JW, Park SJ, Lee BS, Kim JH, Kim HS, Yoon SK, Kim MY, Lee KS, Lim YS, Lee WS, Han KH. Besifovir Dipivoxil Maleate 144-Week Treatment of Chronic Hepatitis B: An Open-Label Extensional Study of a Phase 3 Trial. Am J Gastroenterol. 2020 Aug;115(8):1217-1225. doi: 10.14309/ajg.0000000000000605.
• Ahn SH, Kim W, Jung YK, Yang JM, Jang JY, Kweon YO, Cho YK, Kim YJ, Hong GY, Kim DJ, Um SH, Sohn JH, Lee JW, Park SJ, Lee BS, Kim JH, Kim HS, Yoon SK, Kim MY, Yim HJ, Lee KS, Lim YS, Lee WS, Park NH, Jin SY, Kim KH, Choi W, Han KH. Efficacy and Safety of Besifovir Dipivoxil Maleate Compared With Tenofovir Disoproxil Fumarate in Treatment of Chronic Hepatitis B Virus Infection. Clin Gastroenterol Hepatol. 2019 Aug;17(9):1850-1859.e4. doi: 10.1016/j.cgh.2018.11.001. Epub 2018 Nov 15.

Drugs

Indications