NEW DRUGS TO PREVENT REPERFUSION ISCHEMIA INJURY

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: N/A
Agency Tracking Number: 13954
Amount: $499,963.00
Phase: Phase II
Program: SBIR
Awards Year: 1993
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
3313 Gloucester Rd, Richmond, VA, 23227
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Howard Elford
 (804) 644-8591
Business Contact
Phone: () -
Research Institution
N/A
Abstract
THIS RESEARCH IS BASED ON THE THESIS THAT OXYGEN-FREE RADICALS CONTRIBUTE IN A SIGNIFICANT WAY TO THE DELETERIOUS ASPECT OF REPERFUSION AFTER A TISSUE OR ORGAN IS DEPRIVED OFOXYGEN AND FLOW IS RE-INITIATED. THE OBJECTIVE OF THIS RESEARCH IS TO DETERMINE THE POTENTIAL OF A NEW SERIES OF COMPOUNDS TO PROTECT AGAINST ISCHEMIA REPERFUSION INJURY. THESE COMPOUNDS, ORIGINALLY DEVELOPED FOR CANCER CHEMOTHERAPY, HAVE FREE RADICAL SCAVENGING AND ANTI-INFLAMMATORY ACTIVITY. REPRESENTATIVE FUNCTIONAL GROUPS WILL BE INSERTED, AND IN VITRO EXPERIMENTS WILL BE PERFORMED TO EVALUATE THE ABILITY OF EACH SUBCLASS TO SCAVENGE FREE RADICALS, INCLUDING THE SUPEROXIDE AND HYDROXYL RADICALS. THE FE-CHELATING CAPACITY OF THE DIFFERENT CONGENERS, AN ATTRIBUTE OF THESE COMPOUNDS, WILL BE MEASURED TO EVALUATE WHICH PART OF THE STRUCTURE CONTRIBUTES TO BIOLOGICAL ACTIVITY FOR NEW DRUG DESIGN. FINALLY, THE EFFICACY OF THE COMPOUNDS TO PREVENT REPERFUSION ISCHEMIA INJURY WILL BE PERFORMED IN THE PERFUSED RABBIT HEART MODEL. THE DRUG EFFECT ON THE FORMATION OF OXYGEN-FREE RADICALS ON REPERFUSION AS DETERMINED BY EPR TECHNIQUES WILL BE MEASURED. SIMULTANEOUSLY WITH THE EPR FREE RADICAL MEASUREMENTS IN THE PERFUSED HEARTS, THE FUNCTIONAL CAPACITYOF THE HEART WILL ALSO BE MEASURED. THE GENERATION OF FREE RADICALS FROM THE DRUG MOLECULE IS EXPECTED, AND IT IS PLANNED TO MONITOR FOR SUCH RADICALS.

* Information listed above is at the time of submission. *

Agency Micro-sites

SBA logo
Department of Agriculture logo
Department of Commerce logo
Department of Defense logo
Department of Education logo
Department of Energy logo
Department of Health and Human Services logo
Department of Homeland Security logo
Department of Transportation logo
Environmental Protection Agency logo
National Aeronautics and Space Administration logo
National Science Foundation logo
US Flag An Official Website of the United States Government