Details for Patent: 7,166,581

Title:	Treatment of chemotherapeutic agent and antiviral agent toxicity with acylated pyrimidine nucleosides
Abstract:	The subject invention discloses compounds, compositions and methods for treatment and prevention of toxicity due to chemotherapeutic agents and antiviral agents. Disclosed are acylated derivatives of non-methylated pyrimidine nucleosides. These compounds are capable of attenuating damage to the hematopoietic system in animals receiving antiviral or antineoplastic chemotherapy.
Inventor(s):	von Borstel; Reid W. (Potomac, MD), Bamat; Michael K. (Potomac, MD)
Assignee:	Wellstat Therapeutics Corporation (Gaithersburg, MD)
Filing Date:	Jun 07, 1995
Application Number:	08/473,330
Claims:	1. A composition comprising an acyl derivative of uridine; and a compound capable of inhibiting uridine phosphorylase. 2. A composition as in claim 1 wherein said inhibitor of uridine phosphorylase is selected from the group consisting of benzylacyclouridine, benzyloxybenzylacyclo-uridine, aminomethyl-benzylacyclouridine, aminomethyl-benzyloxybenzylacyclouridine, hydroxymethyl-benzylacyclouridine, hydroxymethyl-benzyloxybenzyl-acyclouridine, 2,2'-anhydro-5-ethyluridine, 5-benzyl barbiturate, 5-benzyloxybenzyl barbiturate, 5-benzyloxybenzyl-1-[(1-hydroxy-2-ethoxy)methyl]barbiturate, 5-benzyloxybenzylacetyl-1-[(1-hydroxy-2-ethoxy)methyl]barbiturate, and 5-methoxybenzylacetylacyclobarbiturate. 3. A composition comprising: an acyl derivative of cytidine or deoxycytidine; and a compound capable of inhibiting deoxycytidine deaminase. 4. A composition as in claim 3 wherein said inhibitor of cytidine deaminase is selected from the group consisting of tetrahydrouridine or tetrahydro-2'-deoxyuridine.