Tuesday, September 16, 2025 9/16/2025

The Role of Inflammation in Knee Osteoarthritis

Award Number: K23AR080206
ORGANIZATION: NATIONAL INSTITUTE OF ARTHRITIS & MUSCULOSKELETAL & SKIN DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP
PERIOD OF PERFORMANCE START DATE: 04/01/2022
PERIOD OF PERFORMANCE END DATE: 12/08/2024

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The Role of Inflammation in Knee Osteoarthritis - Project Summary: Symptomatic knee osteoarthritis (OA) affects 14 million adults in the U.S. and is a leading cause of disability. There is growing recognition of distinct phenotypes within OA and the need to tailor therapies to specific phenotypes. Intra-articular inflammation manifesting as synovitis has emerged as an important phenotypic feature associated with pain and structural progression. This proposal centers on understanding the role of synovitis and its topographic and temporal effects on pain as well as its potential as a treatment target. The first aim investigates whether discordance in effusion-synovitis between an individual’s knees portends differential pain reporting between the knees. Longitudinally we will investigate whether changes in synovitis over 24 months are associated with changes in pain. These analyses will include adjustment for both knee and individual level contributors to pain to better ascertain the independent effect of synovitis on pain. The second aim uses ultrasound, a readily available and inexpensive imaging technique, to examine whether the presence of effusion-synovitis in the knee identifies a subgroup that will have a greater reduction in pain after intra-articular steroid injection. Lastly, aim 3 will utilize single-cell RNA sequencing of the synovium in patients with mild, moderate and severe OA to better define cell types and transcriptional profiles active at various OA stages. If, as we suspect, inflammation is more predominant early in the disease process, anti- inflammatory therapies may be most effective in early OA. This funding opportunity and project are specifically geared toward my transitioning to an independent investigator and R01 funding. I will have protected time for this project and a uniquely supportive and rich academic environment with access to world-leading mentors, coursework, and career development series through the Harvard Medical School, Harvard T.H. Chan School of Public Health and Brigham and Women’s Hospital. Specifically, the aims in this proposal will provide experience with advanced hierarchical, clustered and longitudinal statistical modeling, use of ultrasound and magnetic resonance imaging variables in analysis, and RNA sequencing of the synovium. These aims and educational opportunities will give me an in-depth understanding of methods to investigate key facets of inflammation in OA, positioning me to lead future work on the timing and targeting of novel OA therapies.


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: 2025 ( Subtotal = $84,654 )
2025	2025	DARTMOUTH-HITCHCOCK CLINIC	1 MEDICAL CENTER DR	LEBANON	NH	03756	GRAFTON	USA	Arthritis, Musculoskeletal and Skin Diseases Research	001	4	8/18/2025	CHANGE OF GRANTEE / TRAINING INSTITUTION / AWARDING INSTITUTION	$154,873
2025	2024	BRIGHAM & WOMENS HOSPITAL INC	75 FRANCIS ST	BOSTON	MA	02115	SUFFOLK	USA	Arthritis, Musculoskeletal and Skin Diseases Research	002	3	8/27/2025	NON-COMPETING CONTINUATION	-$70,219
2025	2024	BRIGHAM & WOMENS HOSPITAL INC	75 FRANCIS ST	BOSTON	MA	02115	SUFFOLK	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	3	8/18/2025	NON-COMPETING CONTINUATION	$0
														Subtotal = $84,654

Issue Date FY: 2024 ( Subtotal = $158,760 )
2024	2024	BRIGHAM & WOMENS HOSPITAL INC	75 FRANCIS ST	BOSTON	MA	02115	SUFFOLK	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	3	3/19/2024	NON-COMPETING CONTINUATION	$158,760
														Subtotal = $158,760

Issue Date FY: 2023 ( Subtotal = $158,760 )
2023	2023	BRIGHAM & WOMENS HOSPITAL INC	75 FRANCIS ST	BOSTON	MA	02115	SUFFOLK	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	2	2/27/2023	NON-COMPETING CONTINUATION	$158,760
														Subtotal = $158,760

Issue Date FY: 2022 ( Subtotal = $158,760 )
2022	2022	BRIGHAM AND WOMEN'S HOSPITAL, INC., THE	75 FRANCIS ST	BOSTON	MA	02115	SUFFOLK	USA	Arthritis, Musculoskeletal and Skin Diseases Research	001	1	4/25/2022	NEW	$0
2022	2022	BRIGHAM AND WOMEN'S HOSPITAL, INC., THE	75 FRANCIS ST	BOSTON	MA	02115	SUFFOLK	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	1	3/31/2022	NEW	$158,760
														Subtotal = $158,760

Grand Total All Awards = $560,934

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The Role of Inflammation in Knee Osteoarthritis

Award Number: K23AR080206

ORGANIZATION: NATIONAL INSTITUTE OF ARTHRITIS & MUSCULOSKELETAL & SKIN DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP

PERIOD OF PERFORMANCE START DATE: 04/01/2022

PERIOD OF PERFORMANCE END DATE: 12/08/2024

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