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Real-world effectiveness of HPV vaccine in women living with HIV and its impact on cervical cancer screening accuracies

Award Number: R01CA281293
ORGANIZATION: NATIONAL CANCER INSTITUTE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 05/01/2023
PERIOD OF PERFORMANCE END DATE: 04/30/2029

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Real-world effectiveness of HPV vaccine in women living with HIV and its impact on cervical cancer screening accuracies - PROJECT SUMMARY/ABSTRACT The World Health Organization has set goals for cervical cancer (CC) elimination through global HPV vaccination and cervical cancer screening (CCS). Unfortunately, neither real-world HPV vaccine effectiveness nor efficient CCS have been established for women living with HIV (WWH) who are disproportionately affected by CC. Our group reported that HPV-vaccinated young women living with perinatal HIV infection (WWPHIV) had very high rates of abnormal cervical cytologic compared with HIV [-] women suggesting reduced vaccine effectiveness. While primary HPV testing used for screening (PHS) with a triage test is the preferred method for CCS in the general population in the U.S., the CDC has not recommended it for WWH because of the lack of scientific support. A recent study by our group showed that PHS with triage 16/18 genotyping in WWH cut the number of unnecessary colposcopies in half without reducing sensitivity (vs HPV/cytology co-testing); however, the positive predictive value remained low. Furthermore, the recently FDA-approved dual immunocytochemistry staining for p16/ki67 as well as novel biomarkers using extended HPV genotyping and DNA methylation show great promise but are vastly understudied in WWH. We have an exceptional opportunity to examine both HPV vaccine effectiveness and PHS screening triage strategies in WWH by partnering with the Pediatric HIV/AIDS Cohort Study (PHACS) led, in part, by our investigative team. PHACS includes a cohort of over 2400 WWH, including WWPHIV and WWH, horizontally (WWHH) infected, who are enrolled along with their HIV exposed children. We estimated that 90% of the WWPHIV and 50% of the WWHH <41 years of age have received at least one HPV dose. Among WWH, we aim to: 1) examine the effectiveness of the HPV vaccine defined by the 3-year cumulative risk of i) vaccine-HPV types that persist 12 months or longer and, ii) histologic (h) cervical intraepithelial neoplasia (CIN)-2+; 2a) examine and compare the sensitivity (Se), specificity (Sp), positive (PPV) and negative predictive values (NPV) to detect hCIN-2+ immediately or in 3 years in PHS[+] women using 4 reflex strategies: (i) cytology, (ii) HPV extended genotyping, (iii) p16/Ki-67 dual staining cytology, and (iv) HPV/host methylation levels; 2b) examine the Se, Sp, PPV, and NPV in self-collected PHS[+} samples for hCIN2+ detection focusing on methylation and HPV genotyping triage tests since these 2 tests are suitable for self-collected samples. We plan to screen ~810 WWH using a self-sampling kit--now a well-accepted mode for screening-- for PHS testing (Roche Cobas) and those who PHS[+] (~570) will attend a clinical visit to have colposcopy/biopsy and the 4 triage tests. WWH with <CIN 2+ are asked to return annually for colposcopy and HPV genotyping for up to 3 yrs. WWH with CIN 2+ are exited. WWH PHS[-] will be asked to return in Year 2 for rescreening. Those PHS[+] will be followed as above and PHS[-] will be asked to obtain self-collected vaginal samples for HPV genotyping annually for 3 years. Impact. Understanding HPV vaccine effectiveness and optimal CCS strategies in WHH will make a significant contribution to decreasing the worldwide burden of CC.


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 = $924,523 )
2026	2026	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Cancer Cause and Prevention Research	000	4	4/30/2026	NON-COMPETING CONTINUATION	$924,523
														Subtotal = $924,523

Issue Date FY: 2025 ( Subtotal = $109,771 )
2025	2025	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Cancer Cause and Prevention Research	000	3	5/28/2025	NON-COMPETING CONTINUATION	$109,771
														Subtotal = $109,771

Issue Date FY: 2024 ( Subtotal = $904,785 )
2024	2024	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Cancer Cause and Prevention Research	001	2	5/10/2024	NON-COMPETING CONTINUATION	$0
2024	2024	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Cancer Cause and Prevention Research	000	2	4/29/2024	NON-COMPETING CONTINUATION	$904,785
														Subtotal = $904,785

Issue Date FY: 2023 ( Subtotal = $1,095,428 )
2023	2023	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Cancer Cause and Prevention Research	000	1	4/14/2023	NEW	$1,095,428
														Subtotal = $1,095,428

Grand Total All Awards = $3,034,507

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Real-world effectiveness of HPV vaccine in women living with HIV and its impact on cervical cancer screening accuracies

Award Number: R01CA281293

ORGANIZATION: NATIONAL CANCER INSTITUTE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 05/01/2023

PERIOD OF PERFORMANCE END DATE: 04/30/2029

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