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Pyrromethene Boron Difluorides in PDT

Award Information

Agency:
Department of Health and Human Services 		Branch:
N/A 		Award ID:
22044 		Program Year/Program:
1993 / SBIR
Agency Tracking Number:
22044 		Solicitation Year:
N/A 		Solicitation Topic Code:
N/A 		Solicitation Number:
N/A
Small Business Information
DEKK-TEC, INC.
725 TOPAZ STREET NEW ORLEANS, LA -
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1993
Title: Pyrromethene Boron Difluorides in PDT
Agency: HHS
Contract: N/A
Award Amount: $50,000.00
 

Abstract:

The overall objective is to develop new anticancer agents which are cytotoxic in photodynamic therapy (PDT). It has been shown by Morgan and Boyer that pyrromethene boron difluoride (P-BF2) complexes can offer this property. In Phase I, substituted (P-BF2) complexes will be prepared, characterized and evaluated for PDT potentials. Studies have documented that human ovarian cancer cells (LS-2) cultured with the disodium salt of pentamethylpyrromethene-2, 6-disulfonate boron difluoride (PMPDS-BF2) plus exposure to light produced cell growth inhibition. In addition, when PMPDS-BF2 was injected intratumor into the DMBA-rat breast cancer model, followed by exposure to quartz lamp irradiation, 50-100% tumor remissions occurred. Cyano, bistetramethylene and acetoxymethyl substituted P-BF2 complexes will be evaluated in vitro and in vivo in mouse and rat tumor models. The P-BF complexes are considered to be quasiaromatic electron impoverished (QA-eI) heterocycles. They show high extinction coefficients, high fluorescent quantum yields; those with superior laser action poses little to no triplet-triplet absorption in the fluorescence spectral region. These properties will be considered and attempts to associate them to PDT will be made.

Principal Investigator:

Lee Roy Morgan
5044885415

Business Contact:

Small Business Information at Submission:

Dekk-tec, Inc.
3839 Ulloa Street New Orleans, LA 70119

EIN/Tax ID:
DUNS: N/A
Number of Employees: N/A
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No