Aluminum Oxide Nanoparticles Conjugated to Antigens Potently Induce Tumor Specifi

Award Information
Agency:
Department of Health and Human Services
Branch
n/a
Amount:
$288,718.00
Award Year:
2013
Program:
SBIR
Phase:
Phase I
Contract:
1U43CA165048-01A1
Award Id:
n/a
Agency Tracking Number:
U43CA165048
Solicitation Year:
2013
Solicitation Topic Code:
NCI
Solicitation Number:
PAR10-286
Small Business Information
Room 5F58, PORTLAND, OR, 97213-
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
602671252
Principal Investigator:
TRACI HILTON
(503) 215-7900
traci.hilton@ubivac.com
Business Contact:
ANDREW BERNARD
(503) 292-4066
bernie.fox@ubivac.com
Research Institution:
n/a
Abstract
DESCRIPTION (provided by applicant): PROJECT SUMMARY Although prophylactic vaccines have potential for prevention of high risk human papilloma virus (HPV) infection they have no therapeutic efficacy. It has been estimated that there will be no measurable decline of HPV- associated tumors before 2040 (Hellner et al., 2011). Likewise, other HPV-associated angogenital and head and neck cancers are predicted to afflict another 700,000 men and women over this period of time (Hellner et al., 2011). Therefore, research attempts to develop therapeutic vaccines to combat HPV-associated disease remains a high priority. In an on-going effort to improve tumor vaccine delivery and potency, our collaborator and co-founder, Dr. Hu, has discovered that nanoparticles coupledto antigens have significantly improved properties as vaccine carriers. When aluminum oxide (Al2O3) nanoparticles were compared head to head to alum (Rehydragel(R)), an FDA-approved vaccine adjuvant, Al2O3 nanoparticles were superior to alum at elicitingan antigen-specific T cell response and eradicating 7 day established tumors. The data presented here show a novel antigen carrier with adjuvant properties that activate dendritic cells to efficiently enhance cross-priming of T cells and improve the antitumor efficacy. UbiVac proposes to use aluminum oxide (Al2O3) nanoparticles conjugated to two known HPV tumor associated proteins E6 and E7 (NP-HPV vaccine) to elicit a strong CD8+ T cell immune response against HPV+ tumors. Successful completion of this project will provide proof-of-concept for treatment of HPV-associated carcinomas and a nanoparticle vaccine platform that can be utilized for other cancer types. PUBLIC HEALTH RELEVANCE PUBLIC HEALTH RELEVANCE: PROJECT NARRATIVE Human papilloma virus (HPV)-associated cervical cancer is the second largest cause of cancer death in women worldwide, and in developing countries, it is the number 1 cause of cancer deaths in women. Squamous Cell Carcinoma of the Head and Neck (SCCHN) is a devastating illness, the treatment of which is associated with significant morbidity. The goal of this proposal, Aluminum Oxide Nanoparticles Conjugated to Antigens Potently Induce Tumor Specific T-Cells: An Innovative Approach to Cancer Immunotherapy , is to acceleratethe translation and commercialization of a promising nanotechnology-derived cancer therapeutic vaccine for HPV-associated cancers.

* information listed above is at the time of submission.

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