Specialist Cardiac Safety Screening

High-quality cardiac safety screening services, including GLP hERG and CiPA assays

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Reliably evaluate the proarrhythmic and cardiotoxic liabilities of your compounds

The cardiac safety screening assays we offer include:

Cardiac ion channel profiling

Assessment of core cardiac ion channels: hERG, NaV1.5 and CaV1.2

Expanded CiPA cardiac panel: hERG, NaV1.5 (late current), CaV1.2, Kir2.1, KV4.3_KChIP and KV7.1_MinK

Additional cardiac channels: HCN4 and KV1.5

GLP hERG testing

GLP hERG profiling to support Investigational New Drug (IND) applications

Performed in accordance with current ICH S7B guidelines

Read about GLP hERG testing

hiPSC cardiomyocyte assay for early cardiac de-risking

High throughput/high resolution assessment of compound effects on action potential morphology using voltage dye

Predicts free compound exposure associated with 10ms change in clinical QTc following both acute (30 min)and chronic (24 h) treatment

Defines probability of clinical QRS liability

Aligns with current ICH S7B guidelines

hiPSC cardiomyocyte current clamp profiling

Assess proarrhythmic potential of compounds via manual current clamp

hiPSC cardiomyocyte toxicity testing

Functionally assess the viability following chronic compound treatment (up to 72 h) using high-throughput impedance platform

Cardiac safety ion channel experts

By working with us you benefit from:

Exceptional ion channel electrophysiology and drug discovery expertise.

A team of experienced cell biologists to create novel cell lines.

High quality, cost-effective compound screening.

Detailed characterisation of lead compounds in a range of high-quality assays.

Translational services including confirmation of efficacy in stem cell and other phenotypic models.

Flexible approach that best suits your project and budget.

Rapid turn-around times, reporting and data interpretation by highly experienced ion channel scientists.

Our expertise in GLP hERG screening is demonstrated in the case study GLP hERG Assay Validation Following ICH E14/S7B 2022 Q&A Best Practice Guidelines.

Top: Example traces in vehicle, dofetilide and E-4031. Bottom: Corresponding IT plot. IC50 values generated were within 2-fold of the values reported in the ICH E14/S7B training material. Read more about GLP hERG assay validation.

Webinar recording: In Vitro Assessment of Cardiac Risk in Drug Discovery

Download the recording of this webinar to learn how an hiPSC-CM model can help provide clear decision-making data for your project team that can avoid costly issues related to QTc and QRS cardiac liabilities in the clinic.

Recording includes presentations and Q&A:

Derek Leishman (VP Translational and Quantitative Toxicology, Eli Lilly and Company).

Steve Jenkinson (VP Drug Discovery and Safety, Metrion).

Cardiac Safety Screening Resource Library
Review of Academic Ion Channels Drug Discovery Workshop 2025

Students learned about electrophysiology concepts, sodium channels in drug discovery and the commercial business-side of ion channels

What is the Comprehensive In Vitro Proarrhythmia Assay (CiPA) initiative?

CiPA logoThe International Council on Harmonization (ICH) S7B and E14 regulatory guidelines were introduced in 2005 to evaluate the proarrhythmic liability of new drugs.

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Metrion Biosciences is a contract research organisation (CRO) specialising in high-quality preclinical drug discovery services.
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