roof of the principle
for the therapeutic application of targeted ADVEXIN therapy in
tumors with p53 abnormalities that are among the most common and
fundamental molecular defects in cancer," said Neil Senzer, M.D.,
Scientific Director, Mary Crowley Medical Research Center, and lead
author of the article. "ADVEXIN's mechanism of action is targeted
to restoring p53 tumor suppressor function that is abnormal in
Li-Fraumeni tumors and in many other types of cancer."
ADVEXIN is being developed for European markets by Gendux AB, a
subsidiary of Introgen Therapeutics, Inc. The European Medicines
Agency (EMEA) has designated, and the European Union has confirmed,
ADVEXIN p53 therapy as an Orphan Drug for the treatment of LFS. A
Letter of Intent to the EMEA regarding Marketing Authorization
Application for the approval of ADVEXIN to treat LFS was filed
under the Exceptional Circumstances Approval procedures in the
EU.
Collaborators on this publication included clinicians from Mary
Crowley Medical Research Center, Sammons Cancer Center, Baylor
University Medical Center, The Royal Marsden Hospital NHS
Foundation Trust, Imperial College London Hammersmith Campus, and
the Institute of Cancer Research in the United Kingdom.
About Li-Fraumeni Syndrome
Approximately 400 families are affected by LFS annually. The
majority of LFS families contain mutations in the p53 tumor
suppressor gene. Affected individuals often develop multiple
primary tumors, which typically occur at a young age. Conventional
therapy of patients with the Li-Fraumeni Syndrome is frequently
unsuccessful due to the occurrence of multiple malignancies that
share a common p53 genetic defect fundamental to cancer progression
and the development of treatment resistance. Defects in
p53-mediated cell death pathways cause these tumors to develop
resistance to standard therapy, resulting in early death.
Additionally, because affected individuals lack p53-mediated DNA
repair function, treatment
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