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Generated: February 21, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,357,324

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Summary for Patent: 4,357,324
Title: Prodrug derivatives of 9.beta.-D-arabinofuranosyl-2-fluoroadenine
Abstract:The 5'-formate and the 5'-phosphate derivatives of 9-.beta.-D-arabinofuranosyl-2-fluoroadenine have been prepared as prodrug forms of the anti-cancer agent 9-.beta.-D-arabinofuranosyl-2-fluoroadenine, known as F-ara-A. These derivatives are quite water soluble whereas F-ara-A itself is sparingly soluble in water or in any organic solvents. Delivery of these prodrug forms to mice with L1210 leukemia results in the formation of higher levels of the triphosphate of F-ara-A, the active form of the drug, in the target L1210 leukemia cells. These prodrug forms are much more active chemotherapeutically than 9-.beta.-D-arabinofuranosyladenine, known as ara-A, and equivalent in activity to the combination of ara-A and 2'-deoxycoformycin, known as 2'-dCF, an effective in vivo inhibitor of adenosine deaminase, a ubiquitous enzyme that destroys ara-A in vivo.
Inventor(s): Montgomery; John A. (Birmingham, AL), Shortnacy; Anita T. (Birmingham, AL)
Assignee: The United States of America as represented by the Department of health (Washington, DC)
Application Number:06/237,617
Patent Claim Types:
see list of patent claims
Use; Formulation;

Drugs Protected by US Patent 4,357,324

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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