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Combined Use of Statistical Process Control and Whole Genome Sequencing to Detect and Investigate Nontuberculous Mycobacterial Clusters and Outbreaks

Award Number: K08AI163462
ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP
PERIOD OF PERFORMANCE START DATE: 07/01/2021
PERIOD OF PERFORMANCE END DATE: 06/30/2026

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Combined Use of Statistical Process Control and Whole Genome Sequencing to Detect and Investigate Nontuberculous Mycobacterial Clusters and Outbreaks - Project Summary/Abstract Nontuberculous mycobacteria (NTM) are emerging pathogens that cause substantial morbidity and mortality, especially among immunosuppressed patients. While NTM are increasingly implicated in healthcare facility- associated (HCFA) infections and outbreaks, no systematic method for NTM clinical surveillance exists. As a result, current infection control practices inconsistently detect clinically important increases in NTM rates, or NTM clusters, leading to delayed outbreak detection and mitigation. Furthermore, the presence of NTM in many healthcare environments increases the difficulty of determining whether a cluster of positive cultures for a given NTM represents polyclonal contamination from environmental sources or a true monoclonal outbreak. Therefore, U.S. hospitals need better approaches for early detection and characterization of HCFA NTM outbreaks. The combination of 1) systematic analytic techniques for early detection of HCFA NTM clusters and 2) molecular epidemiology to characterize the relevant NTM represents an innovative and powerful approach to mitigating and preventing NTM outbreaks in vulnerable populations. The overall objective of this proposal is to combine optimized statistical process control (SPC) methods with whole genome sequencing (WGS) as an integrated platform to improve detection and investigation of HCFA NTM clusters and outbreaks. We will use these two techniques within a hospital network to test the central hypothesis that optimized SPC methods combined with molecular epidemiology can detect and mitigate HCFA NTM clusters more quickly and effectively than standard infection control techniques and ultimately reduce morbidity from NTM outbreaks. We plan to test this hypothesis by pursuing the following three Specific Aims: 1) Develop an optimized SPC strategy for identification of clinically important increases in rates of HCFA NTM; 2) Compare the effectiveness of optimized SPC surveillance for HCFA NTM to traditional (non-SPC) surveillance methods; and 3) Utilize WGS to evaluate clonal relatedness of NTM clinical isolates associated with clinically important NTM clusters. Completion of these Aims will develop a novel strategy to identify important NTM clusters, improve understanding of NTM acquisition, and ultimately prevent HCFA NTM infection. This work has potential to change the way healthcare facilities perform NTM surveillance and prevent NTM infection, thereby reducing the risk of harm to hospitalized patients. The candidate’s short-term goals include enhancing his skillsets in time series analyses, genomic sequencing, and multicenter collaborative studies. His long-term goal is to become a successful, independent physician scientist, well suited to lead a team dedicated to the design and implementation of novel interventions aimed at preventing healthcare-associated infections in immunosuppressed patients. Several key factors will assist the candidate in achieving these goals, including close oversight from experienced co-mentors, a supportive and protective institutional environment, and completion of the proposed research and training plan.


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: 2024 ( Subtotal = $188,377 )
2024	2024	DUKE UNIVERSITY	2200 W MAIN ST	DURHAM	NC	27705	DURHAM	USA	Allergy and Infectious Diseases Research	000	4	7/9/2024	NON-COMPETING CONTINUATION	$188,377
														Subtotal = $188,377

Issue Date FY: 2023 ( Subtotal = $188,377 )
2023	2023	DUKE UNIVERSITY	2200 W MAIN ST	DURHAM	NC	27705	DURHAM	USA	Allergy and Infectious Diseases Research	000	3	6/14/2023	NON-COMPETING CONTINUATION	$188,377
														Subtotal = $188,377

Issue Date FY: 2022 ( Subtotal = $188,377 )
2022	2022	DUKE UNIVERSITY	2200 W MAIN ST STE 710	DURHAM	NC	27708	DURHAM	USA	Allergy and Infectious Diseases Research	000	2	6/30/2022	NON-COMPETING CONTINUATION	$188,377
														Subtotal = $188,377

Issue Date FY: 2021 ( Subtotal = $188,809 )
2021	2021	DUKE UNIVERSITY	2200 W MAIN ST STE 710	DURHAM	NC	27708	DURHAM	USA	Allergy and Infectious Diseases Research	000	1	5/21/2021	NEW	$188,809
														Subtotal = $188,809

Grand Total All Awards = $753,940

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Combined Use of Statistical Process Control and Whole Genome Sequencing to Detect and Investigate Nontuberculous Mycobacterial Clusters and Outbreaks

Award Number: K08AI163462

ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP

PERIOD OF PERFORMANCE START DATE: 07/01/2021

PERIOD OF PERFORMANCE END DATE: 06/30/2026

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