Boceprevir (EBP 520) is a potent, highly selective, orally bioavailable HCV NS3 protease inhibitor with a K_i of 14 nM in both enzyme assay and an EC₉₀ of 350 nM in cell-based replicon assay^{[1][2][3][4][5]}. Boceprevir inhibits SARS-CoV-2 3CL^pro activity^[6].

Ki: 14 nM (HCV NS3 protease)^[1]

In the HCV NS3 protease continuous assay, Boceprevir (SCH 503034) has a potency of 14 nM (K_i) average over a large number of runs. In the 72-h bicistronic subgenomic cell-based replicon assay in HuH-7 cells, the EC₅₀ and EC₉₀ values are determined to be 0.20 μM and 0.35 μM, respectively. Boceprevir is also found to be a very weak inhibitor of HNE (K_i=26 μM) representing a selectivity of 2200^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Boceprevir, an HCV Protease Inhibitor for the Treatment of Hepatitis C Virus Infection. The pharmacokinetic profile of Boceprevir is evaluated in several animal species. Following oral administration, Boceprevir is moderately absorbed in rats (10 mg/kg), dogs (3 mg/kg), and monkeys (3 mg/kg). Absorption is relatively rapid in dogs but slower in mice (10 mg/kg), rats, and monkeys, as evidenced by mean absorption times (MAT) ranging from 0.5 to 1.4 h. The AUC is good in dogs and rats, moderate in mouse, and low in monkeys. The absolute oral bioavailability is modest in mouse, rats, and dogs (26-34%) but low in monkeys (4%)^[1]. Boceprevir (100 mg/kg, orally) inhibit HCV NS3/4A protease activity in triple-transgenic mice^[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

519.68

C₂₇H₄₅N₅O₅

394730-60-0

Solid

White to off-white

O=C(N1[C@@H]([C@@]2(04)C(C)([C@]2(C1)04)C)C(NC(C(C(N)=O)=O)CC3CCC3)=O)[C@@H](NC(NC(C)(C)C)=O)C(C)(C)C

Room temperature in continental US; may vary elsewhere.

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

• [1]. Njoroge FG, et al. Challenges in modern drug discovery: a case study of boceprevir, an HCV protease inhibitor for the treatment of hepatitis C virus infection. Acc Chem Res. 2008 Jan;41(1):50-9.  [Content Brief]

  [2]. Yao M, et al. Conditional Inducible Triple-Transgenic Mouse Model for Rapid Real-Time Detection of HCV NS3/4A ProteaseActivity. PLoS One. 2016 Mar 4;11(3):e0150894.  [Content Brief]

  [3]. Coilly A, et al. Practical management of boceprevir and immunosuppressive therapy in liver transplant recipients with hepatitis C virus recurrence. Antimicrob Agents Chemother. 2012 Nov;56(11):5728-34.  [Content Brief]

  [4]. Berenguer M, et al. New developments in the management of hepatitis C virus infection: focus on boceprevir. Biologics. 2012;6:249-56.  [Content Brief]

  [5]. Burton MJ, et al. Telaprevir and boceprevir in african americans with genotype 1 chronic hepatitis C: implications for patients and providers. South Med J. 2012 Aug;105(8):431-6.  [Content Brief]

  [6]. Qi Sun, et al. Bardoxolone and bardoxolone methyl, two Nrf2 activators in clinical trials, inhibit SARS-CoV-2 replication and its 3C-like protease. Signal Transduct Target Ther. 2021 May 29;6(1):212.  [Content Brief]