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INTEGRATED PHOTOACOUSTIC ULTRASOUND REAL-TIME IMAGING FOR BRACHYTHERAPY TREATMENT

Award Number: R43CA180561
ORGANIZATION: NATIONAL CANCER INSTITUTE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 08/12/2013
PERIOD OF PERFORMANCE END DATE: 08/11/2014

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INTEGRATED PHOTOACOUSTIC ULTRASOUND REAL-TIME IMAGING FOR BRACHYTHERAPY TREATMENT - DESCRIPTION (provided by applicant): Prostate cancer affects one in every six men and remains the second leading cause of cancer related mortality in men. Permanent interstitial brachytherapy, the permanent placement of radioactive seeds in the prostate, is widely used in the treatment of prostate cancer. Despite the recent uptake in robotic surgery (with reported increased urinary morbidity) which has impacted both brachytherapy and conventional surgery, brachytherapy remains a widely used treatment. In the historical perspective, brachytherapy has been a definitive treatment option with potentially excellent long term results. The success of brachytherapy depends on adequately irradiating the prostate while avoiding excessive radiation to surrounding organs, most importantly the urethra and rectum. Despite improved outcomes from modifications in brachytherapy technique, contemporary reports document considerable variability in brachytherapy practice, with resultant suboptimal outcomes and toxicity. A recognized major contributor to these poor outcomes is the lack of real- time image guidance to visualize source placement and dose intra-operatively as it evolves due to seed positioning errors and the onset of prostatic edema. The proposed work is the development of a multi-modal image-guidance build in an intelligent platform with capability for real-time, precise, and quantitative evaluation of source position and target dosimetry during the course of a brachytherapy procedure, thereby allowing the physician to continuously correct for source position alterations and adaptively achieve an optimal implant, resulting in both reduced toxicity and improved cancer control. The proposed work is the development, design and evaluation of a real-time imaging system based on integrated photo-acoustic and transrectal ultrasound image guidance and advanced image processing software that will produce real-time, precise, and quantitative evaluation of seed positions and dosimetry during the brachytherapy procedure and visualize prostate anatomy simultaneously. The proposed system will integrate imaging and planning tools that are already routinely used in current brachytherapy practice with an inclusion of low cost laser source. The real-time imaging will enable the physician to continuously correct for source position errors and adaptively achieve an optimal implant without disruption of existing surgical workflow, resulting in both reduced toxicity and improved cancer control. The research plan will be carried out in three aims: 1) study the optical properties of both prostate and metallic seed, 2) develop integrated photo-acoustic and transrectal ultrasound imaging system, and 3) perform system integration, testing and validation in tissue-mimicking phantoms, ex vivo prostrates and a limited in vivo animal study. The proposed integrated system will be first of its kind to have the capability of real-time imaging of brachytherapy implant and simultaneously visualizing prostate anatomy.


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: 2013 ( Subtotal = $177,408 )
2013	2013	ACOUSTIC MEDSYSTEMS, INC	206 N RANDOLPH STREET STE 301	CHAMPAIGN	IL	61820	CHAMPAIGN	USA	Cancer Treatment Research	000	1	8/12/2013	NEW	$177,408
														Subtotal = $177,408

Grand Total All Awards = $177,408

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INTEGRATED PHOTOACOUSTIC ULTRASOUND REAL-TIME IMAGING FOR BRACHYTHERAPY TREATMENT

Award Number: R43CA180561

ORGANIZATION: NATIONAL CANCER INSTITUTE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 08/12/2013

PERIOD OF PERFORMANCE END DATE: 08/11/2014

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