Home Cage Analyser (HCA)

The Home Cage Analyser (HCA) is an automated monitoring system designed for researchers in drug development and safety pharmacology, particularly those focused on central nervous system (CNS) endpoints.

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The Home Cage Analyser (HCA) is an automated monitoring system designed for researchers in drug development and safety pharmacology, particularly those focused on central nervous system (CNS) endpoints. It enables continuous, non-invasive observation of socially grouped rodents in their home cages, reducing stress and improving animal welfare. The HCA is validated for use in safety pharmacology studies and is particularly valuable for identifying subtle behavioral changes indicative of potential CNS side effects, which traditional methods like the Functional Observational Battery (FOB) or Irwin tests often miss.

Developed by Actual Analytics and funded through the NC3Rs CRACK IT programme, the HCA supports the refinement and reduction of animal use in regulatory testing. Its universal and scalable design makes it suitable for all animal facilities, without requiring modifications to existing caging systems. The HCA is ideal for researchers seeking to enhance scientific accuracy while adhering to ethical guidelines for animal use.

The HCA operates 24/7 using infrared lighting to capture high-definition video, enabling detailed analysis of discrete behaviors, body temperature, and locomotor activity. RFID microchips are used for individual rodent identification, ensuring precise tracking of each animal within a group. This continuous monitoring capability allows researchers to detect subtle behavioral changes, such as hypoactivity during the dark phase, which traditional methods often overlook.

The system’s non-invasive nature minimizes stress on the animals, providing more natural behavior data. Additionally, the HCA’s automated analysis reduces the need for human intervention, improving consistency and reducing potential biases in data collection. Compared to competitors like Research Devices Ltd (Moshers) and other automated monitoring systems for zebrafish (FBI), the HCA stands out for its focus on CNS endpoints and its ability to monitor socially grouped rodents in their home cages.

While Moshers offers similar automated monitoring, it lacks the HCA’s emphasis on CNS-specific behavioral analysis. The FBI system, designed for zebrafish, does not address the needs of rodent-based research. The HCA’s validation in safety pharmacology studies, conducted in partnership with AstraZeneca, GSK, and Janssen, further distinguishes it as a tool for regulatory testing.

However, the HCA’s reliance on RFID microchips for individual identification may limit its applicability in studies where tagging is not feasible. Additionally, while the HCA reduces the need for animal use, its initial setup and integration into existing facilities may require significant investment. The system’s focus on rodents also limits its utility for researchers studying other species. Despite these trade-offs, the HCA’s ability to generate richer data sets with fewer animals makes it a valuable tool for advancing drug safety testing.

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How it works

  1. Continuous monitoring

    Provides 24/7 observation of socially grouped rodents in their home cages using infrared lighting for HD video.

  2. Automated analysis

    Detects discrete behaviors, body temperature, and locomotor activity without human intervention.

  3. RFID identification

    Uses RFID microchips to individually track rodents within a group, ensuring precise data collection.

  4. Non-invasive design

    Does not require modification of existing caging, reducing stress on animals and improving welfare.

  5. CNS endpoint focus

    Validated for safety pharmacology studies, identifying subtle behavioral changes indicative of CNS side effects.

  6. Scalable solution

    Universal design suitable for all animal facilities, supporting wider adoption in regulatory testing.

  7. Ethical compliance

    Reduces animal use and supports group housing, aligning with NC3Rs refinement and reduction principles.

Strengths and trade-offs

Strengths

  • Improves animal welfare by reducing stress and enabling group housing, promoting natural behavior.
  • Enhances scientific accuracy by detecting subtle behavioral changes missed by traditional methods.
  • Supports regulatory testing by providing validated data for CNS safety pharmacology studies.
  • Reduces the number of animals required for research, aligning with ethical guidelines.

Trade-offs

  • Reliance on RFID microchips may limit use in studies where tagging is not feasible.
  • Initial setup and integration into existing facilities may require significant investment.
  • Focus on rodents restricts its applicability to researchers studying other species.
  • High-definition video and continuous monitoring may generate large data sets requiring robust storage solutions.

Pricing context

Not explicitly stated in the sources

Getting started with Home Cage Analyser (HCA)

  1. Request access

    Contact Actual Analytics to inquire about HCA system availability and procurement process for your research facility.

  2. Install hardware

    Set up infrared cameras and RFID readers in rodent home cages according to manufacturer specifications without modifying existing caging.

  3. Tag animals

    Implant RFID microchips in each rodent for individual identification prior to introducing them to the monitored home cage environment.

  4. Configure parameters

    Define behavioral metrics, sampling frequency, and data storage settings through the HCA software interface for your specific study protocol.

  5. Initiate monitoring

    Start continuous 24/7 data collection via the HCA system, verifying proper video capture and RFID tracking functionality.

Frequently Asked Questions

What is the Home Cage Analyser used for?

The Home Cage Analyser (HCA) is an automated system for continuous, non-invasive monitoring of socially grouped rodents in drug development research. It detects subtle behavioral changes related to CNS effects that traditional methods miss, while improving animal welfare through stress reduction and group housing.

How does the Home Cage Analyser track individual rodents?

HCA uses RFID microchips to identify and track individual rodents within group housing. This enables precise monitoring of each animal's behavior, body temperature, and locomotor activity 24/7 via infrared HD video, without requiring modifications to existing cage systems.

What advantages does HCA have over traditional rodent observation methods?

HCA provides continuous, automated monitoring that captures subtle behavioral changes often missed by manual methods like FOB tests. Its non-invasive design reduces animal stress, while group housing yields more natural behavior data compared to isolated testing environments.

Which pharmaceutical companies have validated the Home Cage Analyser?

HCA has been validated in safety pharmacology studies with major partners including AstraZeneca, GSK, and Janssen. These collaborations demonstrate its reliability for regulatory testing of CNS drug effects, particularly in detecting subtle behavioral changes indicative of side effects.

What are the limitations of using Home Cage Analyser technology?

HCA requires RFID tagging, which may not suit all studies. Its rodent-specific design excludes other species, and the initial setup demands significant investment. While reducing animal use, the system generates large video datasets needing robust storage solutions.

How does HCA support ethical animal research practices?

Developed with NC3Rs funding, HCA aligns with reduction and refinement principles by enabling group housing and minimizing stress. Its automated analysis requires fewer animals than traditional methods while providing more comprehensive behavioral data for CNS safety pharmacology studies.

Alternatives

How Home Cage Analyser (HCA) compares

Direct head-to-head against 2 competitors. Picked by 7wData.

This tool

Home Cage Analyser (HCA)

Pricing
Not explicitly stated in the sources
Target
The Home Cage Analyser (HCA) is an automated monitoring system designed for researchers in drug development and safety pharmacology, particularly those focused on central nervous
Strength
Improves animal welfare by reducing stress and enabling group housing, promoting natural behavior.
Watch for
Reliance on RFID microchips may limit use in studies where tagging is not feasible.

PhenoTyper

Pricing
Custom/Contact sales
Target
Rodent behavior labs needing modular observation
Deployment
Cage-based video tracking
Strength
Integrated with EthoVision XT software
Watch for
Higher cost for full system integration

CleverSys HomeCageScan

Pricing
$15k-$50k per system
Target
Pharma safety pharmacology studies
Deployment
Video analysis add-on
Strength
FDA-validated for CNS drug testing
Watch for
Requires manual video setup per cage

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Sources

Reporting on this tool draws on these publicly available sources.

  1. pmc.ncbi.nlm.nih.gov
  2. nc3rs.org.uk
  3. nc3rs.org.uk
  4. bocascientific.com
  5. www.frontiersin.org