Services

Cardiac Safety Studies

Reduce Cardiac Risk Early. Decide with Confidence.

Cardiac Safety Studies

Models

  • Human iPSC-derived cardiomyocytes
  • Heterologous expression systems
  • Cardiomyocyte monolayers & networks
  • Cardiac spheroids / micro-tissues

Cardiac safety remains one of the most critical challenges in drug development. Undetected pro-arrhythmic liability can result in late-stage failures, program delays, or post-marketing withdrawals.

ChanPharm provides integrated cardiac safety services that combine mechanistic electrophysiology, functional cardiomyocyte assays, and data-driven analysis to support confident decision-making throughout discovery and development.

Ion Channel Assays

  • hERG screening (early identification of pro-arrhythmic effects)
  • hERG, Nav1.5 and Cav1.2, Cav3.2, Kir2.1
  • Large cardiac panel: hERG, Nav1.5, Cav1.2, Cav3.2, Kir2.1, Kv4.3/KChIP and Kv7.1/MinK

hiPSC Cardiomyocyte Assays

  • Action potential prolongation and early afterdepolarizations by hERG inhibitors.
    Cardiac safety data
    Figure: Effects of the natural products hortiamine and dehydroevodiamine (DHE) on action potentials (FluoVolt™) on hiPSC-CM (Baburin et al. 2018).
  • Field potential parameters (R(Q)-T interval, others) of hiPSC in 2D cultures assessed with Multi-Electrode Arrays
  • Field potential parameters (R(Q)-T interval, others) of hiPSC in 3D cardiospheres assessed with Multi-Electrode Arrays
  • Current clamp recordings on hiPSC to assess action potential parameters — Manual Patch Clamp (gold standard, highest resolution)

Technologies

Our services are supported by industry-recognized platforms commonly used in pharmaceutical research for comprehensive safety profiling.

SyncroPatch 384

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High-throughput cardiac safety screening.
The SyncroPatch 384 allows for the rapid assessment of compound effects on cardiac ion channels (e.g., hERG, Nav1.5, Cav1.2) in compliance with CiPA guidelines. It enables the generation of large datasets to identify cardiac liabilities early in the drug discovery process.

Best suited for: Early hazard identification, hERG potency ranking, hit-to-lead safety profiling

NANION TECHNOLOGIES HIGH THROUGHPUT

Patchliner

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Versatile automated safety profiling.
With precise temperature control and high seal resistance, the Patchliner is ideal for in-depth characterization of drug-channel interactions. It supports complex voltage protocols required for detailed kinetic analysis and mechanism-of-action studies.

Best suited for: In-depth safety profiling, temperature-dependent assays, detailed mechanism analysis

NANION TECHNOLOGIES MEDIUM THROUGHPUT

Manual Patch Clamp

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The reference standard for cardiac electrophysiology.
Manual patch clamp offers the highest fidelity for recording Action Potentials (APs) from iPSC-derived cardiomyocytes. This approach allows for the detection of Early Afterdepolarizations (EADs) and other pro-arrhythmic markers that automated systems might miss.

Best suited for: Action potential profiling, validation of automated data, late-stage safety assessment

GOLD STANDARD CIPA COMPLIANT

MEA Systems (Multi Channel Systems)

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Network-level functional assessment.
Microelectrode Array (MEA) technology records extracellular field potentials from cardiomyocyte monolayers, capturing arrhythmia-like events and conduction velocities in a physiological network context.

Best suited for: Pro-arrhythmia prediction, beat rate variability, chronic drug exposure studies

MCS PHYSIOLOGICAL RELEVANCE

High-Speed sCMOS Imaging (Kinetix)

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High-speed optical phenotyping.
Using the Kinetix sCMOS camera, we capture rapid calcium transients and voltage changes in large populations of cardiomyocytes with exceptional temporal resolution, allowing for the detection of subtle wavefront propagation abnormalities.

Best suited for: Calcium handling dynamics, wavefront propagation analysis

PHOTOMETRICS HIGH SPEED

Contractility & Impedance Analysis

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Excitation-contraction coupling assessment.
We assess the physical beating properties of cardiomyocytes (amplitude, relaxation time) to detect compounds that affect cardiac contractility (inotropes/lusitropes) or cause structural toxicity.

Best suited for: Cardiotoxicity assessment, structural integrity monitoring, contractility modulation

In-silico Pro-arrhythmia Modeling

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Translational risk prediction.
Our computational modeling integrates in vitro ion channel data to predict clinical pro-arrhythmic risk. This bridges the gap between assay results and human safety profiles, providing a quantitative risk score.

Best suited for: CiPA risk scoring, early candidate selection, data integration

COMPUTATIONAL BIOLOGY PREDICTIVE

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Applications & Use Cases

Early cardiac liability screening
Lead optimization for cardiac safety
CiPA-aligned pro-arrhythmia assessment
Mechanistic understanding of cardiac effects
Regulatory decision support

Study Workflow

1

Study Design & Endpoint Definition

Alignment with project stage and objectives.

2

Platform selection

Selection of appropriate biological model and technology combination.

3

Data Generation & Quality Control

Robust execution with strict quality standards.

4

Integrated Analysis & Interpretation

Delivery of actionable insight rather than raw data.

Frequently Asked Questions

Common questions about ChanPharm's cardiac safety services, CiPA panels, hERG screening, and iPSC cardiomyocyte assays.

What is CiPA-aligned cardiac safety screening?

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The Comprehensive in vitro Proarrhythmia Assay (CiPA) is a regulatory-aligned framework for evaluating drug-induced arrhythmia risk. It combines multi-channel patch clamp data (hERG, Nav1.5, Cav1.2, Cav3.2, Kir2.1, Kv4.3/KChIP, Kv7.1/MinK), iPSC-cardiomyocyte functional readouts, and in silico ventricular action-potential modelling. ChanPharm's cardiac panel covers all CiPA reference channels.

What turnaround time can I expect for hERG screening?

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Standard hERG IC50 studies are typically delivered within 2–3 weeks of compound receipt. Expedited timelines are available for early-stage discovery support — get in touch about your timeline.

Can you assess multi-channel proarrhythmic risk beyond hERG alone?

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Yes. We combine multi-channel patch clamp data with iPSC-cardiomyocyte MEA recordings and in silico ventricular action-potential simulations to estimate Torsadogenic risk holistically — fully aligned with the CiPA framework.

Which iPSC cardiomyocyte assays do you offer?

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Patch clamp characterisation of ionic currents, MEA-based field-potential and beat-rate analysis, contractility, and calcium-transient imaging via Kinetix sCMOS. We work with commercial iCell and Cor.4U cardiomyocytes, and accept client-supplied lines on request. See our stem cell studies page for more.

How does ChanPharm's cardiac safety reporting differ from typical CROs?

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Our cardiac safety reports go beyond IC50 tables. Each study includes biophysical interpretation — voltage-dependence, frequency-dependence, mechanism-of-action — and a discussion section that translates findings into proarrhythmic-risk implications for the medicinal chemistry team. Led by Prof. Steffen Hering, our team has 45+ years of ion-channel pharmacology expertise.

Do you support CiPA in silico modelling?

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Yes. Our in silico cardiotoxicity service integrates ChanPharm's patch clamp IC50 data into validated ventricular action-potential models to predict proarrhythmic risk. See the page for methodology.

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