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ASTM F1439 2003 Edition, November 1, 2003
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Standard Guide for Performance of Lifetime Bioassay for the Tumorigenic Potential of Implant Materials
Includes all amendments and changes through Reapproval Notice , 2013
Page Count:6
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This guide is intended to assist the biomaterials testing laboratory in the conduct and evaluation of tumorigenicity tests to evaluate the potential for new materials to evoke a neoplastic response. The procedure is generally reserved only for those materials which have not previously been used for human implantation for a significant period of time. 

Assessment of tumorigenicity is one of several procedures employed in determining the biological response to a material as recommended in Practice F748. It is assumed that the investigator has already determined that this type of testing is necessary for a particular material before consulting this guide. The recommendations of Practice F748 should be considered before a study is commenced.

Whenever possible, it is recommended that a battery of genotoxicity procedures be initiated and proposed as an alternative to an in-vivo tumorigenicity bioassay. Genotoxicity assays may also be considered as initial screening procedures due to the sensitivity of the assays, the significant reduction in time to gain valuable data, and the desire to reduce the use of animals for testing. Genotoxicity assays that may be considered are outlined in Guides E1262, E1263, E1280, and E2186, and Practices E1397 and E1398. Additionally, other genotoxicity testing which might be considered (but which do not yet have ASTM test methods) include Salmonella/Mammalian- Microsomal Plate Incorporation Mutagenicity Assay, In Vivo Cytogenetics Bone Marrow Chromosomal Damage Assay, BALB/3T3 Morphological Transformation of Mouse Embryo Cells, and the Mouse Micronucleus Assay. The investigator is advised to consider carefully the appropriateness of a particular method for his application after a review of the published literature. 

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.