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Addressing emerging health system priorities in cervical cancer prevention: determining optimal strategies for human papillomavirus test-based screening and triage

Award Number: R01CA221918
ORGANIZATION: NATIONAL CANCER INSTITUTE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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Background: Cytology-based cervical cancer screening has been one of the most widely used and successful public health screening interventions in North America for decades. However, there are significant limitations to cytology alone as a screening test leading to thousands of preventable deaths. Highly sensitive molecular tools for detection of high-risk HPV, the cause of cervical cancer, are poised to transform cervical cancer screening programs in the United States and Canada. HPV-based screening is expected to reduce cervical cancer rates by 30% compared to cytology, due to improved sensitivity of HPV for pre-cancerous lesions. With the improved negative predictive value of HPV testing, screening intervals can be extended to every 4-5 years leading to substantial health care savings. Despite these advantages, the loss of specificity with HPV due to detection of transient infections that do not result in disease, particularly in young women, leads to twice the number of colposcopy treatments in otherwise well women. Thus, while preventing more cervical cancer cases with less frequent screening, HPV-based screening could lead to unintended harm for well women of reproductive age and unsustainable health care system costs if deployed without appropriate screening and triage algorithms. Triage with alternate molecular methods (ie. mRNA and genotyping) in HPV positive women or adopting these methods as a primary screen could offer improved specificity without reducing sensitivity. However, if, how and when to optimally integrate these tests into screening algorithms remains a critical knowledge gap globally. Aims: This study addresses priority questions from North American policy makers to evaluate the effectiveness of HPV testing with and without cytology co-testing, determine adverse effects of primary HPV testing, and to ultimately inform optimal screening algorithms for cervical cancer screening. Specifically the project will: 1) determine the long-term efficacy (120 months) of HPV-based primary screening after a single and multiple screening rounds, compared to cytology and co-testing; 2) determine the efficacy of 3 different HPV assays for triage of HPV positive specimens, and primary screening for precancerous lesions; 3) define parameters for modeling population and systems-level outcomes of different protocols on cervical cancer rates Methods: Participants of an established, highly engaged cohort (n=25,223) from a longitudinal randomized controlled trial comparing primary HPV testing to cytology will be followed to 120 months. Trial participants are currently 48 months years from baseline and have complete retrospective and prospective cervical cancer screening, colposcopy and treatment records, with linkage to a population-based cancer registry. Baseline negative women will be followed to 120 months though the centralized screening program, while a subset of participants will receive prospective additional HPV testing. Clinical endpoints, sensitivity/specificity and other parameters will be used for mathematic modelling & cost-effectiveness analysis.


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 = $285,914 )
2022	2022	UNIVERSITY OF BRITISH COLUMBIA, THE	6190 AGRONOMY RD STE 102	VANCOUVER	BC			CAN	Cancer Detection and Diagnosis Research	000	5	8/16/2022	NON-COMPETING CONTINUATION	$285,914
														Subtotal = $285,914

Issue Date FY: 2021 ( Subtotal = $285,914 )
2021	2021	UNIVERSITY OF BRITISH COLUMBIA, THE	6190 AGRONOMY RD STE 102	VANCOUVER	BC			CAN	Cancer Detection and Diagnosis Research	000	4	8/6/2021	NON-COMPETING CONTINUATION	$285,914
														Subtotal = $285,914

Issue Date FY: 2020 ( Subtotal = $353,682 )
2020	2020	UNIVERSITY OF BRITISH COLUMBIA, THE	6190 AGRONOMY RD STE 102	VANCOUVER	BC	V6T 1Z3		CAN	Cancer Detection and Diagnosis Research	000	3	8/18/2020	NON-COMPETING CONTINUATION	$353,682
														Subtotal = $353,682

Issue Date FY: 2019 ( Subtotal = $400,503 )
2019	2019	UNIVERSITY OF BRITISH COLUMBIA, THE	6190 AGRONOMY RD STE 102	VANCOUVER	BC	V6T 1Z3		CAN	Cancer Detection and Diagnosis Research	000	2	8/16/2019	NON-COMPETING CONTINUATION	$400,503
														Subtotal = $400,503

Issue Date FY: 2018 ( Subtotal = $411,369 )
2018	2018	UNIVERSITY OF BRITISH COLUMBIA, THE	6190 AGRONOMY RD STE 102	VANCOUVER	BC	V6T 1Z3		CAN	Cancer Detection and Diagnosis Research	000	1	9/13/2018	NEW	$411,369
														Subtotal = $411,369

Grand Total All Awards = $1,737,382

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Addressing emerging health system priorities in cervical cancer prevention: determining optimal strategies for human papillomavirus test-based screening and triage

Award Number: R01CA221918

ORGANIZATION: NATIONAL CANCER INSTITUTE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

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