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Hepatotoxicity Studies in Preclinical Drug Safety Evaluation

Drug induced liver injury (DILI) or hepatotoxicity is one of the leading causes of adverse events during clinical trials, which often results in failures or clinical holds during the development of new drug candidates. DILI has historically plagued drug makers with withdrawals from the market (e.g. troglitazone, oral bromfenac and tienilic acid) and while efforts to catch drug candidates earlier in the pipeline continue, the multifactorial and idiosyncratic nature of DILI complicates preclinical risk evaluation.

However, several measures have been established to screen a compound in development for toxicological endpoints that accompany higher risk. To date, several mechanisms of DILI have been well-characterized and have the potential to be tested in a non-clinical setting or with in vitro tools. In vitro hepatotoxicity assays are cell-based experiments that yield data which when considered all together in a comprehensive ‘risk matrix’, can help a drug developer assess risk of liver injury by exploring different mechanisms that could impair hepatic function.

Through our partners at the Drug Development Solutions Center, we offer the following in vitro hepatotoxicity studies to evaluate a drug candidate for drug induced liver injury potential:

Bile acid accumulation due to inhibition of the bile salt export pump (BSEP) can trigger apoptosis of hepatocytes, causing liver injury. We offer a Bile Acid-Dependent Hepatotoxicity functional assay and a Receiver Operating Characteristic (ROC) Analysis to estimate clinical cholestatic DILI risk of your drug.

Mitochondrial Toxicity data can yield critical insights to a drug’s effect on one of the most important cellular processes that, if impaired, can cause many issues downstream. In our contracted in vitro study, human hepatoma-derived HepG2 cells are cultured with the test compound in two different media (glucose and galactose). ATP production is compared between the two environments to evaluate effect on mitochondrial function.

Hepatotoxicity evaluations help drug developers assess safety of their drug with toxicological endpoints

Other Hepatotoxicity Evaluation Services

The Drug Development Solutions Center also offers the following studies to further evaluate your drug’s hepatotoxicity potential:

  • Covalent Binding
  • Reactive Metabolite Identification
  • Acyl Glucuronide Formation

Our partners at the Drug Development Solution Center have been the leading provider of these assays to Japanese pharmaceutical companies for more than 50 years, and SEKISUI XenoTech can provide international clients with a bridge to their expertise.

In vitro assays performed at the Drug Development Solutions Center give sponsors high-quality, reliable data and any bioanalytical components are GLP-certified by the Pharmaceuticals and Medical Devices Agency (PMDA).

Our Partners in ADME

Find more information about the team at the Drug Development Solutions Center, where high-quality in vivo ADME/PK and pharmacology studies along with top-tier radioisotope (RI) synthesis have been perfected over the last 50 years.

In Vivo ADME and Hepatotoxicity studies

More Screening Options

Discovery Plus™ Screening Suite represents medium-throughput screening alternatives to our definitive studies, created for drug developers who need to compare drug metabolism and drug-drug interaction (DDI) data between different drug candidates quickly and easily before more rigorous definitive studies.

Drug metabolism and DDI testing for safer small molecule drugs