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Non-animal Methods for Toxicity Testing

Validated/Accepted Alternative Methods


Last Updated: March 4, 2009
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Validation & Regulatory Acceptance Status of Alternative Test Methods & Testing Strategies

Endpoint Method Name Endorsement of Scientific Validity Regulatory Acceptance
    Lead Authority Subsequent Endorsement(s) International (click here for a listing of all approved OECD TGs) National/ Regional (for methods not yet accepted internationally)
Acute aquatic toxicity Upper threshold concentration step-down approach

ESAC (2006)

     
  Fish Embryo Test    

Draft OECD TG

German Waste Water Dues Law (2001)

Acute mammalian toxicity (oral) Acute toxic class method  

ESAC (2007)

OECD TG 423 (2001)

 
  Fixed dose procedure  

ESAC (2007)

OECD TG 420 (2001)

 
  Up-and-down procedure

ICCVAM (2001)

ESAC (2007)

OECD TG 425 (2006)

 
  Normal human keratinocyte neutral red uptake (NHK NRU) assay

ICCVAM (2006)

   

US agencies

  Balb/c 3T3 neutral red uptake assay

ICCVAM (2006)

   

US agencies

Acute mammalian toxicity (inhalation) Acute toxic class method    

Draft TG OECD 436

 
  Fixed concentration procedure    

Draft TG OECD 433

 
Acute mammalian toxicity (skin) Fixed dose procedure    

Draft TG OECD 434

 
Dermal Penetration In vitro skin absorption methods

OECD Expert Group (2002)

 

OECD TG 428 (2004)

 
Chronic toxicity Ending 1-year dog studies of pesticides

ESAC (2006)

   

Revised US EPA Pesticide Data Requirements

Eye irritation/corrosion Bovine corneal opacity permeability (BCOP) test

ICCVAM (2007)

ESAC (2007)

Draft OECD TG

EU Competent Authorities for Dangerous Substances Directive; US agencies (2008)

  Isolated chicken eye (ICE) test

ICCVAM (2007)

ESAC (2007)

Draft OECD TG

EU Competent Authorities for Dangerous Substances Directive; US agencies (2008)

  Hen's egg test-chorioallantoic membrane (HET-CAM)      

EU Competent Authorities for Dangerous Substances Directive

  Isolated rabbit eye test      

EU Competent Authorities for Dangerous Substances Directive

Genotoxicity Bacterial reverse mutation (Ames) test    

OECD TG 471 (1997)

 
  In vitro cell gene mutation test    

OECD TG 476 (1997)

 
  In vitro chromosomal aberration test    

OECD TG 473 (1997)

 
  In vitro micronucleus test

ESAC (2006)

 

Draft OECD TG 487

REACH Regulation

  In vitro sister chromatid exchange test    

OECD TG 479 (1986)

 
  In vitro unscheduled DNA synthesis test    

OECD TG 482 (1986)

 
  Saccharomyces cerevisiae gene mutation assay    

OECD TG 480 (1986)

 
  Saacharomyces cerevisiae mitotic recombination assay    

OECD TG 481 (1986)

 
Hematotoxicity: acute neutropenia Colony forming unit granulocyte macrophage (CFU-GM) assay

ESAC (2006)

     
Phototoxicity 3T3 Neutral Red Uptake Phototoxicity Test

ESAC (1997)

 

OECD TG 432 (2004)

 
  3T3 NRU Phototoxicity Test: Application to UV filter chemicals

ESAC (1998)

 

OECD TG 432 (2004)

 
Pyrogenicity Human whole blood IL-1

ESAC (2006)

ICCVAM (2008)1

   
  Human whole blood IL-6

ESAC (2006)

ICCVAM (2008)1

   
  Human cryopreserved whole blood IL-1

ESAC (2006)

ICCVAM (2008)1

   
  PBMC IL-6

ESAC (2006)

ICCVAM (2008)1

   
  MM6 IL-6

ESAC (2006)

ICCVAM (2008)1

   
  Limulus amebocyte lysate (LAL) test      

EDQM/European Pharmacopeia (5.0); US Pharmacopeia (85)

Reproductive & Developmental Toxicity Embryonic stem cell test

ESAC (2002)

     
  Micromass assay

ESAC (2002)

     
  Whole rat embryo assay

ESAC (2002)

     
Skin corrosion Corrositex®

ICCVAM (2000)

ESAC (2000)

OECD TG 435 (2006)

 
  EpiSkin®

ESAC (1998)

ICCVAM (2002)

OECD TG 431 (2004)

 
  EpiDermTM

ESAC (1998)

ICCVAM (2002)

OECD TG 431 (2004)

 
  Rat skin transcutaneous electrical resistance (TER)assay

ESAC (1998)

ICCVAM (2002)

OECD TG 430 (2004)

 
  SkinEthicTM human skin model

ESAC (2006)

 

OECD TG 431 (2004)

 
Skin irritation EpiSkin® skin irritation test

ESAC (2007)

 

Draft OECD TG

EU test method B.46 in COM regulation 440/2008/EC
  EpiDermTM SIT model

ESAC (2008)

 

Draft OECD TG

EU test method B.46 in COM regulation 440/2008/EC
  SkinEthic RHE model

ESAC (2008)

 

Draft OECD TG

EU test method B.46 in COM regulation 440/2008/EC
Skin sensitization Local lymph node assay (LLNA)

ICCVAM (1999)

ESAC (1999)

OECD TG 429 (2002)

 
  Reduced LLNA

ESAC (2007)

ICCVAM (2008)

   
Vaccine potency ELISA for erysipelas vaccines batch potency testing

ESAC (2002)

   

EDQM/European Pharmacopeia

  ELISA for human tetanus vaccines batch potency testing

ESAC (2000)

   

EDQM/European Pharmacopeia

  Toxin binding inhibition test for human tetanus vaccines batch potency testing

ESAC (2000)

   

EDQM/European Pharmacopeia

1 Subjec to product-specific validation to demonstrate equivalence to the rabbit pyrogen test (RPT)


Supplemental Information

A. Summary of test methods evaluated by ESAC and accepted by EU regulatory authorities

B. Summary of test methods evaluated by ICCVAM and accepted by US regulatory authorities

C. OECD test guidelines and guidance documents

D. ICH test guidelines

E. VICH test guidelines