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Verifiable and Robust Deformable Image Registration for Precision Tracking of Diffuse Glioma Progression

Award Number: F31CA310043
ORGANIZATION: NATIONAL CANCER INSTITUTE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS
PERIOD OF PERFORMANCE START DATE: 12/01/2026
PERIOD OF PERFORMANCE END DATE: 11/30/2027

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Verifiable and Robust Deformable Image Registration for Precision Tracking of Diffuse Glioma Progression - ABSTRACT Diffuse gliomas are the most common primary brain cancer in adults, with the most aggressive and common form glioblastoma (GBM) having a median survival of only 15 months. Despite advances, current clinical imaging protocols lack the precision to track microscopic tumor infiltration that later becomes recurrence. This can result in poorly defined treatment margins that do not address the full extent of the tumor and can compromise patient safety. Determining the precise site of future recurrence on preoperative imaging could allow improved treatments such as boosted radiation dose to regions at risk for recurrence. Deformable image registration (DIR) enables the alignment of longitudinal MRI scans to achieve this task, but existing DIR approaches suffer from limited accuracy and unreliable verification, hindering clinical adoption. This project aims to develop a verifiable and accurate DIR method for diffuse gliomas by incorporating AI-based blood vessel segmentation and bifurcation matching into a new high-precision DIR approach. I hypothesize that incorporating blood vessel bifurcations as stable anatomical markers into the registration process will permit sub-millimeter accuracy in non-linear image registration. This level of accuracy will permit refined and precise treatment margins and support advanced imaging methods to accurately track tumor growth over time. Using the hierarchical nature of blood vessel trees, I will establish correspondence between blood vessels segmented from pre-operative and post-recurrence MRI scans of the same GBM patient. The DIR method will synthesize these matching vessel points with image features extracted from multi-sequence MRI data to precisely describe the anatomical transformation that occurred between the scans. This can then be used to pinpoint the recurrence origin on the pre-operative time point, allowing for future treatments targeting this site. In addition to GBM, I will adapt and optimize the developed method for slower-growing, low-grade diffuse glioma cases. By quantifying the deformation between low-grade scans with accurate DIR, I can detect small changes in tumor size and shape that can indicate disease progression. I will compare this approach to visual observation to demonstrate its clinical utility. Finally, I will utilize the developed vessel-matching tools to establish the most comprehensive DIR accuracy baseline across diffuse glioma grades to date, supporting further algorithm development and clinical implementation. This research will provide robust, verifiable DIR methods tailored for GBM and low-grade diffuse gliomas, addressing a critical gap in neuro-oncology imaging. By improving registration accuracy, this project can improve the precision of GBM treatment planning, enhance recurrence detection, detect tumor progression, and ultimately improve patient outcomes.


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: 2026 ( Subtotal = $50,114 )
2026	2026	DUKE UNIVERSITY	2200 W MAIN ST	DURHAM	NC	27705	DURHAM	USA	Cancer Research Manpower	000	1	4/9/2026	NEW	$50,114
														Subtotal = $50,114

Grand Total All Awards = $50,114

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Verifiable and Robust Deformable Image Registration for Precision Tracking of Diffuse Glioma Progression

Award Number: F31CA310043

ORGANIZATION: NATIONAL CANCER INSTITUTE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS

PERIOD OF PERFORMANCE START DATE: 12/01/2026

PERIOD OF PERFORMANCE END DATE: 11/30/2027

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