Genta obtains orphan drug designation for C-Myb Antisense (LR3001) in chronic myelocytic leukemia
Genta obtains orphan drug designation for C-Myb Antisense (LR3001) in chronic myelocytic leukemia
BERKELEY HEIGHTS, N.J., March 15, 2005 -- Genta Incorporated
announced that LR3001, an antisense compound directed against a
gene known as c-myb, has received Orphan Drug designation from the
FDA for the treatment of chronic myelocytic leukemia (CML).
Designation as an Orphan Drug, which is intended to facilitate
product development, provides eligibility for a seven-year period
of market exclusivity after approval, grants and tax credits for
research and development, and reduced filing fees for marketing
applications.
Genta obtained rights to LR3001 from Temple University in December
2004. The drug has been tested in two Phase 1 clinical trials in
patients with myeloid leukemias. Genta plans to pursue further
clinical development of LR3001 in patients with both hematologic
cancers and solid tumors.
LR3001 is part of Genta's DNA/RNA Medicines program. This program uses drugs that are based on chemical modifications of DNA or RNA to selectively knock out the function of genes that may be involved in cancer cause or progression. LR3001 targets an oncogene known as c-myb, which is a protein that directly binds to cellular DNA. C-myb is believed to regulate the expression of other genes that are involved in the growth and differentiation of primitive cells, including Bcl-2, Bcl-XL, c-myc, cyclin A1, cyclin D1, cdc2, and Cox-2. Over-expression of c-myb blocks differentiation, promotes proliferation, and decreases apoptosis. Potential clinical targets for LR3001 include CML, malignant melanoma, neuroblastoma, and cancers of the breast, pancreas and colon.
Source: Genta www.genta.com
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