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Development of a web-based platform implementing novel Predictor of Skin Sensitization for Medical Devices (PreSS/MD)

Award Number: R43ES032371
ORGANIZATION: NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 09/09/2020
PERIOD OF PERFORMANCE END DATE: 11/30/2021

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Development of a web-based platform implementing novel Predictor of Skin Sensitization for Medical Devices (PreSS/MD) - PROJECT SUMMARY Medical devices have been documented to contain toxic chemicals that can leach and cause acute contact dermatitis (ACD) after repeated exposure or prolonged contact of the skin to these toxins. ACD is credited for 10-15% of all occupational illnesses and is also the second highest reported occupational hazard. Given its prevalence, ACD is also a great public health burden with combined yearly costs of up to $1 billion, which spans including medical costs, worker’s compensation and lost working time due to workplace absence. To this end, the U.S. Food and Drug Administration has mandated that all medical devices must be evaluated for possible skin sensitization using in vivo animal assays, which includes the Guinea pig maximization test (GPMT). Although GPMT tests provide valuable data on the skin sensitization effects of potential toxins, these assays are time-consuming and expensive. Moreover, the Interagency Coordinating Committee on the Validation of Alternative Methods (ICCVAM) recently published a Strategic Roadmap, calling for the development of alternative approaches to reduce animal testing of chemical and medical agents. Thus, there is a stated need to modernize safety evaluation of medical devices to reduce animal testing and shorten the regulatory review time, which would ultimately bring safer devices to the market faster. To address this unmet need, the key objectives of our FDA Phase I SBIR project are to (i) produce rigorously validated computational models for the GPMT assay integrating data obtained in human, mouse, and in vitro assays; and (ii) integrate these models into a software product termed PreSS/MD (Predictor of Skin Sensitization for Medical Devices). Our specific aims for this study include: 1) collecting, curating, and integrating the largest publicly available dataset for GMPT; 2) creating and validating novel computational models for GMPT data; 3) developing the PreSS/MD web server to allow users to make predictions of skin sensitization potential in medical devices. We will also develop a model for mixtures, including compounds tested jointly in different concentrations, using an approach that we developed previously. Finally, we will implement novel approaches to help users of our PreSS/MD platform interpret the developed models in terms of key chemical features responsible for skin sensitization. In addition, we will employ biomedical knowledge graphs to elucidate Adverse Outcome Pathways (AOPs) for skin sensitizers. Successful execution of this Phase I project will yield in the development of PreSS/MD as a centralized resource to evaluate the skin sensitization potential for medical devices. We expect this software-as-a-service web server platform will be of great value for companies and sponsors seeking regulatory approval of medical devices.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2022 ( Subtotal = $0 )
2022	2020	PREDICTIVE LLC	2806 TREASURES LN	RALEIGH	NC	27614	WAKE	USA	Environmental Health	000	1	12/3/2021	NEW	-$109,985
2022	2020	PREDICTIVE LLC	2806 TREASURES LN	RALEIGH	NC	27614	WAKE	USA	Environmental Health	001	1	1/18/2022	NEW	$109,985
2022	2020	PREDICTIVE LLC	2806 TREASURES LN	RALEIGH	NC	27614	WAKE	USA	Environmental Health	002	1	2/2/2022	NEW	$0
														Subtotal = $0

Issue Date FY: 2020 ( Subtotal = $167,910 )
2020	2020	PREDICTIVE, LLC	2806 TREASURES LN	RALEIGH	NC	27614	WAKE	USA	Environmental Health	000	1	9/8/2020	NEW	$167,910
														Subtotal = $167,910

Grand Total All Awards = $167,910

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Development of a web-based platform implementing novel Predictor of Skin Sensitization for Medical Devices (PreSS/MD)

Award Number: R43ES032371

ORGANIZATION: NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 09/09/2020

PERIOD OF PERFORMANCE END DATE: 11/30/2021

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