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Immunotoxicity: Murine Local Lymph Node Assay (LLNA)

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Background Review Documents Overview Peer Review Panel (2008)
Peer Review Panel (1998) Performance Standards References
Related Documents Test Method Recommendations (Draft)

1998 Peer Review Panel Meeting

On Sep. 17, 1998, NICEATM hosted a meeting to review the Murine Local Lymph Node Assay (LLNA) as an alternative test method for assessing the allergic contact dermatitis potential of chemicals. The final peer review report was published in February 1999. The peer review panel concluded that the LLNA is a valid alternative to currently accepted guinea pig test methods, and that the LLNA reduces the number of animals required for testing and eliminates animal pain and distress. Compared to the traditional test, the LLNA can also be completed in a shorter timeframe and provides dose-response information.

ICCVAM Peer Review Report

The Murine Local Lymph Node Assay: A Test Method for Assessing the Allergic Contact Dermatitis Potential of Chemicals/Compounds:

The Results of an Independent Peer Review Evaluation Coordinated by the Interagency Coordinating Committee on the Validation of Alternative Methods (ICCVAM) and the National Toxicology Program Center for the Evaluation of Alternative Toxicological Methods (NICEATM).


February 1999 NIH Publication No. 99-4494

View report in PDF format - 9.2 MB

View Table of Contents in HTML format

Transmittal of ICCVAM Recommendations

Letter from Dr. Kennenth Olden, Director, NIEHS, to Ms. Carol Browner, Administrator, U.S. EPA, transmitting results of the independent peer review evalation of the LLNA (sent February 16, 1999) [PDF]

Response from Dr. Steven Galson, EPA, on behalf of Ms. Browner (received October 19, 1999) [PDF]

Implementation Workshop

An LLNA Training Workshop, organized by ILSI HESI and ICCVAM, was held May 25, 2005, at the NIH Natcher Conference Center in Bethesda, MD. For additional information, please contact ILSI HESI at hesi@ilsi.org.


































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