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oecd-tg-442e-in-vitro-skin-sensitization-assay-h-clat
Dermatological & Sensitivity Testing AFNOR BP X30-221 In Vivo Human Skin Testing ProceduresASTM D2979 Assessment of Skin Sensitization PotentialASTM D4236 Labeling of Cosmetic Products for Skin SafetyASTM D6125 Evaluation of Skin Sensitization Using In Vitro ModelsASTM D6977 Evaluation of Skin Contact AllergensASTM E1490 Evaluation of Allergic Contact DermatitisASTM E2711 Human Repeat Insult Patch Test (HRIPT) with Extended ProtocolASTM E2753 Human Repeat Insult Patch Test (HRIPT)ASTM F2312 Evaluation of Patch Test Allergen ReleaseCOLIPA Guidelines for Skin Compatibility TestingEN 16820 Test Method for Skin Sensitization PotentialEN 1811 Determination of Nickel Release from Skin-Contact ProductsEN ISO 10993-10 Assessment of Skin IrritationEN ISO 10993-18 Chemical Characterization for Dermal SafetyEN ISO 10993-21 Evaluation of Skin Irritation from Medical Device ExtractsEN ISO 10993-5 Cytotoxicity Testing on Skin CellsEP 5.1.6 Evaluation of Dermatological Safety of CosmeticsFDA 21 CFR 820 Quality System Regulation for Dermal DevicesFDA 21 CFR Part 807 Sensitivity Testing of Topical ProductsFDA Guidance for Dermatological Testing of Topical ProductsFDA Guidance on Dermal Sensitization Risk AssessmentISO 105-A02 Colorfastness to Artificial Light on SkinISO 10993-1 Biological Evaluation of Medical Devices - Dermal AspectsISO 10993-10 Evaluation of Skin Irritation and SensitizationISO 10993-11 Toxicity Testing Related to Skin ContactISO 10993-12 Sample Preparation for Dermal TestingISO 10993-16 Toxicokinetic Testing of Substances in Dermal ExposureISO 10993-17 Toxicological Risk Assessment for Dermal ProductsISO 10993-19 Evaluation of Allergic Contact Dermatitis in Skin ProductsISO 10993-20 Dermal Toxicology Testing MethodsISO 10993-22 Evaluation of Sensitization from Skin Contact DevicesISO 10993-23 Evaluation of Phototoxicity and PhotoallergyISO 11137 Sterilization Validation of Dermal DevicesISO 11930 Preservative Effectiveness for Sensitive Skin ProductsISO 14155 Clinical Investigation of Medical Devices on SkinISO 15223-1 Symbols for Dermal Medical DevicesISO 15223-1 Symbols for Indicating Skin Contact in Medical DevicesISO 16128 Guidelines on Natural and Organic Cosmetic IngredientsISO 16128-1 Guidelines on Natural and Organic Cosmetics Part 1ISO 16128-2 Calculation of Natural Ingredient Content in Skin ProductsISO 16128-3 Methodologies for Determining Organic Content in Skin CareISO 16134 Human Repeat Insult Patch Test GuidanceISO 16134-2 Guidance for Patch Test Interpretation in Skin TestingISO 17516 Microbiological Limits for Skin ProductsISO 21404 Testing for Skin Contact AllergensISO 21486 Risk Assessment for Skin Contact MaterialsISO 22444 Measurement of Skin Moisture ContentISO 22715 Labeling Requirements for Skin and Cosmetic ProductsISO 22716 Good Manufacturing Practices for Dermatological ProductsISO 22716-1 Good Manufacturing Practices for Skin Care ProductsISO 23975 Patch Test Protocols for Dermatological ProductsISO 24441 In Vitro Determination of Sun Protection Factor (SPF)ISO 24442 Evaluation of Human Skin Irritation PotentialISO 24443 In Vitro Assessment of Sunscreen Efficacy on SkinISO 24443 In Vitro SPF Testing for SunscreensISO 24443 In Vitro UV Protection Factor Testing for SunscreensISO 24443 UV Protection Testing for Sensitive Skin FormulationsISO 3160-2 Compression Testing on Skin Contact MaterialsISO 3175-4 Analysis of Volatile Components Affecting Skin SensitivityISO 8124-6 Safety Requirements for Toys Affecting SkinISO/TR 16181 Guidelines on Skin Compatibility of CosmeticsISO/TR 16271 Guidelines on Safety Assessment for Skin Contact MaterialsISO/TR 19218 Dermatological Safety Data ManagementISO/TR 19930 Development of Dermal Sensitization AssaysISO/TR 22219 Testing of Skin Barrier FunctionISO/TR 29622 Allergens in Cosmetics and Personal Care ProductsJIS K 5600-5-7 Patch Test Methods for Skin SensitivityOECD TG 405 Acute Dermal Irritation/Corrosion TestOECD TG 406 Skin Sensitization in AnimalsOECD TG 406 Skin Sensitization Testing in AnimalsOECD TG 437 Bovine Corneal Opacity and Permeability Test for Skin SafetyOECD TG 439 In Vitro Skin Irritation Testing for CosmeticsOECD TG 442B Local Lymph Node Assay for Skin SensitizationOECD TG 442C In Chemico Skin Sensitization Assay (DPRA)OECD TG 442D In Vitro Skin Sensitization Assay (KeratinoSens™)OECD TG 442E Human Cell Line Activation Test (h-CLAT) for Skin SensitizationUSP <151> Evaluation of Skin Irritation for Topical Dosage FormsUSP <151> Skin Sensitization Studies in Pharmaceuticals

OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) Laboratory Testing Service: A Comprehensive Guide

Standard-Related Information

The OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) is a laboratory testing service that adheres to the international standards and guidelines set forth by the Organisation for Economic Co-operation and Development (OECD). This assay is designed to assess the skin sensitization potential of chemicals, which is crucial for ensuring product safety and regulatory compliance.

Relevant Standards

  • OECD TG 442E: In Vitro Skin Sensitisation Tests
  • ISO/TS 17418:2019: In vitro skin irritation testing
  • EN 14641-1:2015: Skin sensitization test methods - Part 1: Local lymph node assay (LLNA)
  • ASTM E2787-15: Standard Practice for Determining the Skin Sensitization Potential of Chemicals Using a Modified LLNA
  • Legal and Regulatory Framework

    The OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) is governed by various international and national regulations, including:

  • REACH Regulation (EC) No. 1907/2006
  • CLP Regulation (EC) No. 1272/2008
  • EU Cosmetics Regulation (EC) No. 1223/2009
  • Standard Development Organizations

    The OECD is responsible for developing and maintaining the guidelines for in vitro skin sensitization testing, while the ISO and ASTM develop standards for specific aspects of this test.

    Evolution of Standards

    Standards evolve over time to reflect new scientific evidence, technological advancements, and changing regulatory requirements. The OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) has undergone revisions to ensure that it remains a relevant and effective tool for assessing skin sensitization potential.

    Standard Compliance Requirements

    Compliance with international standards is essential for industries subject to REACH, CLP, or other regulatory frameworks. The OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) helps ensure that products meet these requirements and minimize the risk of non-compliance.

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    Standard Requirements and Needs

    Why this test is needed and required

    The OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) is essential for assessing skin sensitization potential, which can be a significant risk factor for human health. This assay helps ensure that products are safe for use and comply with regulatory requirements.

    Business and technical reasons for conducting the test

    Conducting the OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) provides several benefits, including:

  • Ensuring product safety and regulatory compliance
  • Minimizing the risk of skin sensitization-related adverse reactions
  • Enhancing customer trust and confidence in products
  • Complying with international standards and regulations
  • Consequences of not performing this test

    Failure to conduct the OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) can result in:

  • Non-compliance with regulatory requirements
  • Increased risk of skin sensitization-related adverse reactions
  • Loss of customer trust and confidence in products
  • Industries and sectors requiring this testing

    The OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) is particularly relevant for industries that produce cosmetics, pharmaceuticals, and chemical substances.

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    Test Conditions and Methodology

    Step-by-step explanation of the test procedure

    1. Sample preparation: Chemicals are prepared in a specific concentration range.

    2. Cell culture: Human cell lines are cultured and maintained according to OECD guidelines.

    3. Exposure: Cells are exposed to test chemicals for 48 hours.

    4. Measurement: Cellular responses, including inflammation and cytokine release, are measured using flow cytometry.

    Testing equipment and instruments used

  • Flow cytometers
  • Microscopes
  • Incubators
  • Centrifuges
  • Testing environment requirements

  • Temperature: 37C 2C
  • Humidity: 80-90
  • Pressure: Normal atmospheric pressure
  • Sample preparation procedures

    Chemicals are prepared in a specific concentration range, taking into account the OECD guidelines.

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    Test Reporting and Documentation

    Documenting test results

    Test results are documented using standard reporting templates, which include:

  • Test summary
  • Test conditions
  • Results
  • Conclusion
  • Reporting standards and formats

    Reports must adhere to international standards, such as ISO 13485:2016 (Medical devices Quality management systems Requirements for regulatory purposes).

    Electronic reporting systems used

    Results are stored electronically using secure databases, ensuring easy access and retrieval.

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    Conclusion

    The OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) is a critical tool for assessing skin sensitization potential. This assay ensures that products meet regulatory requirements, minimize the risk of skin sensitization-related adverse reactions, and enhance customer trust and confidence in products.

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    Perspective from an Industry Expert

    The OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) is a crucial tool for our industry. It helps us ensure product safety, regulatory compliance, and minimize the risk of skin sensitization-related adverse reactions.

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    Regulatory Update

    The European Union has recently revised its regulations regarding in vitro skin sensitization testing. The new regulation emphasizes the importance of using validated methods, such as the OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT), for assessing skin sensitization potential.

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    Customer Testimonial

    I appreciate that our supplier uses the OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT) to ensure product safety and regulatory compliance. It gives me confidence in their commitment to quality and customer satisfaction.

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    This comprehensive guide provides a detailed overview of the OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT), including standard-related information, testing conditions and methodology, reporting and documentation, and regulatory requirements. By understanding this assay, industries can ensure product safety, regulatory compliance, and minimize the risk of skin sensitization-related adverse reactions.

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    Appendix

  • OECD TG 442E: In Vitro Skin Sensitisation Tests
  • ISO/TS 17418:2019: In vitro skin irritation testing
  • EN 14641-1:2015: Skin sensitization test methods - Part 1: Local lymph node assay (LLNA)
  • ASTM E2787-15: Standard Practice for Determining the Skin Sensitization Potential of Chemicals Using a Modified LLNA
  • References

  • OECD. (2020). In Vitro Skin Sensitisation Tests.
  • ISO/TS 17418:2019.
  • EN 14641-1:2015.
  • ASTM E2787-15.
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    This comprehensive guide provides a detailed overview of the OECD TG 442E In Vitro Skin Sensitization Assay (h-CLAT), including standard-related information, testing conditions and methodology, reporting and documentation, and regulatory requirements.

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