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Leveraging Single-Dose HPV Vaccination to Accelerate Cervical Cancer Elimination: Acceptability, Cost-Effectiveness, and Policy Considerations for Single-Dose Adoption in East Africa
Leveraging Single-Dose HPV Vaccination to Accelerate Cervical Cancer Elimination: Acceptab...
Leveraging Single-Dose HPV Vaccination to Accelerate Cervical Cancer Elimination: Acceptability, Cost-Effectiveness, and Policy Considerations for Single-Dose Adoption in East Africa

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202103517
ISBN  
9798288823640
DDC  
614
저자명  
Umutesi Wa Mana, Grace.
서명/저자  
Leveraging Single-Dose HPV Vaccination to Accelerate Cervical Cancer Elimination: Acceptability, Cost-Effectiveness, and Policy Considerations for Single-Dose Adoption in East Africa
발행사항  
[Sl] : University of Washington, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
185 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-01, Section: B.
주기사항  
Advisor: Mugo, Nelly R.
학위논문주기  
Thesis (Ph.D.)--University of Washington, 2025.
초록/해제  
요약Every two minutes, a woman dies of cervical cancer, a disease that is highly preventable. Human papillomavirus (HPV) vaccines protect against high-risk HPV infections, which cause cervical cancer, but only 15% of eligible girls have been vaccinated globally. HPV vaccination uptake remains particularly low in low- and middle-income countries (LMICs) where most cervical cancer-related deaths occur. In 2020, the World Health Assembly (WHA) adopted a global strategy to eliminate cervical cancer that focused on three pillars to be achieved by 2030. These targets include having 90% of girls fully vaccinated with the HPV vaccine by age 15. Recent evidence on the efficacy and effectiveness of a single-dose HPV vaccination led the World Health Organization (WHO) to recommend countries to consider a single-dose HPV vaccination schedule to improve coverage and catalyze progress towards achieving cervical cancer elimination. This dissertation sought to comprehensively assess implementation outcomes of single-dose HPV vaccination, focusing on acceptability, cost-effectiveness of single-dose HPV vaccination in Kenya, and policy considerations for single-dose HPV vaccination adoption in East Africa.Using a mixed-methods study approach, we assessed the acceptability of a single-dose HPV vaccination schedule among healthcare providers (HCPs) in Kenya. We found that most HCPs thought that a single-dose schedule was acceptable, and the lack of information among HCPs was the main reason for disapproval. Additionally, HCPs based at rural facilities had higher acceptability likelihood compared to those based at urban facilities.In chapter 3, we conducted a cost-effectiveness analysis to assess the potential health and economic impact of a single-dose HPV vaccination schedule in Kenya. We found that a two-dose HPV vaccination strategy at 90% coverage had a higher incremental cost-effectiveness ratio (ICER) compared to a one-dose strategy at the same coverage level (US$ $6,508.08/ DALY averted vs US$ $ 197.44/ DALY averted). Additionally, switching to a single-dose schedule would result in US$ $21.4 million in savings over five years, which could fund 2.75 million additional HPV vaccinations. This re-investment could fund catch-up vaccinations, and the greatest DALYs would be averted by supplementing a single-dose strategy with a 90% coverage with a catch-up vaccination for 11- 24-year-old girls (ICER: US$ $ 78.73 / DALY averted).Finally, in chapter 4, we leveraged a rapid review to conduct a framework policy analysis on single-dose HPV vaccination adoption in three East African countries. We found that in Ethiopia, Uganda, and Tanzania, political will was crucial to prioritizing the revision of HPV vaccination policy, and National Immunization Technical Advisory Groups (NITAGs) were central to the single-dose decision-making process. Additionally, across the three countries, the WHO endorsement and availability of key evidence on the burden of the disease, health, and economic benefits of a single-dose schedule played an important role in the policy revision process.In conclusion, single-dose HPV vaccination has the potential to accelerate progress in cervical cancer elimination. Considering its acceptability even among HCPs in rural areas, potential health and economic benefits, a single-dose schedule could simplify logistics and inform policy revisions to improve coverage in Kenya and comparable settings. These findings also have the potential to inform future immunization policy revision initiatives.
일반주제명  
Public health
일반주제명  
Health sciences
일반주제명  
Medicine
일반주제명  
Oncology
일반주제명  
Womens studies
키워드  
Cervical cancer
키워드  
East Africa
키워드  
Economic evaluation
키워드  
Implementation science
키워드  
Human papillomavirus vaccines
키워드  
Sub-Saharan Africa
기타저자  
University of Washington Global Health
기본자료저록  
Dissertations Abstracts International. 87-01B.
전자적 위치 및 접속  
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MARC

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■1001  ▼aUmutesi  Wa  Mana,  Grace.
■24510▼aLeveraging  Single-Dose  HPV  Vaccination  to  Accelerate  Cervical  Cancer  Elimination:  Acceptability,  Cost-Effectiveness,  and  Policy  Considerations  for  Single-Dose  Adoption  in  East  Africa
■260    ▼a[Sl]▼bUniversity  of  Washington▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a185  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-01,  Section:  B.
■500    ▼aAdvisor:  Mugo,  Nelly  R.
■5021  ▼aThesis  (Ph.D.)--University  of  Washington,  2025.
■520    ▼aEvery  two  minutes,  a  woman  dies  of  cervical  cancer,  a  disease  that  is  highly  preventable.  Human  papillomavirus  (HPV)  vaccines  protect  against  high-risk  HPV  infections,  which  cause  cervical  cancer,  but  only  15%  of  eligible  girls  have  been  vaccinated  globally.  HPV  vaccination  uptake  remains  particularly  low  in  low-  and  middle-income  countries  (LMICs)  where  most  cervical  cancer-related  deaths  occur.  In  2020,  the  World  Health  Assembly  (WHA)  adopted  a  global  strategy  to  eliminate  cervical  cancer  that  focused  on  three  pillars  to  be  achieved  by  2030.  These  targets  include  having  90%  of  girls  fully  vaccinated  with  the  HPV  vaccine  by  age  15.  Recent  evidence  on  the  efficacy  and  effectiveness  of  a  single-dose  HPV  vaccination  led  the  World  Health  Organization  (WHO)  to  recommend  countries  to  consider  a  single-dose  HPV  vaccination  schedule  to  improve  coverage  and  catalyze  progress  towards  achieving  cervical  cancer  elimination.  This  dissertation  sought  to  comprehensively  assess  implementation  outcomes  of  single-dose  HPV  vaccination,  focusing  on  acceptability,  cost-effectiveness  of  single-dose  HPV  vaccination  in  Kenya,  and  policy  considerations  for  single-dose  HPV  vaccination  adoption  in  East  Africa.Using  a  mixed-methods  study  approach,  we  assessed  the  acceptability  of  a  single-dose  HPV  vaccination  schedule  among  healthcare  providers  (HCPs)  in  Kenya.  We  found  that  most  HCPs  thought  that  a  single-dose  schedule  was  acceptable,  and  the  lack  of  information  among  HCPs  was  the  main  reason  for  disapproval.  Additionally,  HCPs  based  at  rural  facilities  had  higher  acceptability  likelihood  compared  to  those  based  at  urban  facilities.In  chapter  3,  we  conducted  a  cost-effectiveness  analysis  to  assess  the  potential  health  and  economic  impact  of  a  single-dose  HPV  vaccination  schedule  in  Kenya.  We  found  that  a  two-dose  HPV  vaccination  strategy  at  90%  coverage  had  a  higher  incremental  cost-effectiveness  ratio  (ICER)  compared  to  a  one-dose  strategy  at  the  same  coverage  level  (US$  $6,508.08/  DALY  averted  vs  US$  $  197.44/  DALY  averted).  Additionally,  switching  to  a  single-dose  schedule  would  result  in  US$  $21.4  million  in  savings  over  five  years,  which  could  fund  2.75  million  additional  HPV  vaccinations.  This  re-investment  could  fund  catch-up  vaccinations,  and  the  greatest  DALYs  would  be  averted  by  supplementing  a  single-dose  strategy  with  a  90%  coverage  with  a  catch-up  vaccination  for  11-  24-year-old  girls  (ICER:  US$  $  78.73  /  DALY  averted).Finally,  in  chapter  4,  we  leveraged  a  rapid  review  to  conduct  a  framework  policy  analysis  on  single-dose  HPV  vaccination  adoption  in  three  East  African  countries.  We  found  that  in  Ethiopia,  Uganda,  and  Tanzania,  political  will  was  crucial  to  prioritizing  the  revision  of  HPV  vaccination  policy,  and  National  Immunization  Technical  Advisory  Groups  (NITAGs)  were  central  to  the  single-dose  decision-making  process.  Additionally,  across  the  three  countries,  the  WHO  endorsement  and  availability  of  key  evidence  on  the  burden  of  the  disease,  health,  and  economic  benefits  of  a  single-dose  schedule  played  an  important  role  in  the  policy  revision  process.In  conclusion,  single-dose  HPV  vaccination  has  the  potential  to  accelerate  progress  in  cervical  cancer  elimination.  Considering  its  acceptability  even  among  HCPs  in  rural  areas,  potential  health  and  economic  benefits,  a  single-dose  schedule  could  simplify  logistics  and  inform  policy  revisions  to  improve  coverage  in  Kenya  and  comparable  settings.  These  findings  also  have  the  potential  to  inform  future  immunization  policy  revision  initiatives.
■590    ▼aSchool  code:  0250.
■650  4▼aPublic  health
■650  4▼aHealth  sciences
■650  4▼aMedicine
■650  4▼aOncology
■650  4▼aWomens  studies
■653    ▼aCervical  cancer
■653    ▼aEast  Africa
■653    ▼aEconomic  evaluation
■653    ▼aImplementation  science
■653    ▼aHuman  papillomavirus  vaccines
■653    ▼aSub-Saharan  Africa
■690    ▼a0573
■690    ▼a0566
■690    ▼a0453
■690    ▼a0992
■690    ▼a0564
■71020▼aUniversity  of  Washington▼bGlobal  Health.
■7730  ▼tDissertations  Abstracts  International▼g87-01B.
■790    ▼a0250
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17357470▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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