The KEN SHE Study on HPV-vaccine Efficacy
KENya Single-dose HPV-vaccine Efficacy - The KEN-SHE Study
2 other identifiers
interventional
2,275
1 country
3
Brief Summary
The KEN SHE Study aims to identify effective cervical cancer prevention strategies. Cervical cancer is caused by an infection with Human Papillomavirus, also called HPV. In Kenya, about 2,500 women die from this condition each year. The study is conducted by Kenya Medical Research Institute (KEMRI) sites, based in Kisumu, Thika and Nairobi and the University of Washington, Seattle, USA. The purpose of this study is to learn whether a single dose of the HPV vaccine prevents HPV infection among adolescents and young women. Using a single dose will lower the cost of providing HPV vaccination (compared to two doses) and will make it possible for more women to receive the vaccination and be protected from cervical cancer. The study will involve approximately 21 clinic visits over a period of 55 months. All visits will involve blood draws and many will involve pelvic swabs. Participants will receive an FDA-approved HPV vaccine and a meningococcal vaccine.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Dec 2018
Longer than P75 for phase_4
3 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 6, 2018
CompletedFirst Posted
Study publicly available on registry
September 18, 2018
CompletedStudy Start
First participant enrolled
December 19, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 15, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
February 15, 2024
CompletedDecember 13, 2023
December 1, 2023
5.2 years
September 6, 2018
December 11, 2023
Conditions
Outcome Measures
Primary Outcomes (3)
Persistent HPV 16/18 infection across arms
Incident persistent HPV 16/18 infection across arms to measure HPV16/18 and HPV 16/18/31/33/45/52/58/6/11 vaccine efficacy
Primary analysis at month 18
Persistent HPV 16/18/21/33/45/52/58 infection across arms
Incident persistent HPV 16/18/21/33/45/52/58 infection across the HPV 16/18/31/33/45/52/58/6/11 and immediate meningococcal (delayed HPV) vaccine arms to measure HPV 16/18/31/33/45/52/58/6/11 vaccine efficacy
Primary analysis at month 18
Durability of HPV vaccine efficacy using blinded crossover vaccination design
Incident persistent HPV 16/18/21/33/45/52/58 infection will be compared between the early and late vaccine efficacy periods
Primary analysis 18 months after crossover vaccination
Secondary Outcomes (5)
Non-inferiority of vaccine response in girls aged 15-20 compared to girls age 9-14
Secondary analysis at 24 months after enrollment and 18 months post crossover vaccination
Cost of single-dose HPV vaccination
Secondary analysis at 18 months post crossover vaccination
Cost-effectiveness of single-dose HPV vaccination
Secondary analysis at 18 months post crossover vaccination
Budget impact of single-dose HPV vaccination
Secondary analysis at 18 months post crossover vaccination
Immune memory following single-dose HPV vaccination
Secondary analysis at 19 months post crossover vaccination
Study Arms (3)
Arm 1
EXPERIMENTALimmediate Cervarix, delayed MenVeo vaccine
Arm 2
EXPERIMENTALimmediate Gardasil 9, delayed MenVeo vaccine
Arm 3
ACTIVE COMPARATORimmediate MenVeo, delayed Gardasil 9 vaccine
Interventions
Intervention is immediate administration of 9-valent HPV vaccine and delayed MenVeo vaccine
Intervention is immediate administration of MenVeo vaccine and delayed administration of Gardasil 9
Intervention is immediate administration of bivalent HPV vaccine and delayed MenVeo vaccine
Eligibility Criteria
You may qualify if:
- Born female
- Age 15 to 20 years
- HIV-negative
- No history of HPV vaccination
- Sexually active: history of 1-5 lifetime partners
- Resident within study area without plans to move away in the next 37 months
You may not qualify if:
- Allergies to vaccine components or latex,
- Pregnancy
- Hysterectomy
- Autoimmune, degenerative, and genetic diseases
- Investigator discretion
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Massachusetts General Hospitallead
- Bill and Melinda Gates Foundationcollaborator
- Kenya Medical Research Institutecollaborator
Study Sites (3)
Partners in Health, Research and Development
Thika, Kiambu County, Kenya
Kargeno Research and Policy Hub
Kisumu, Nyanza, Kenya
Center for Clinical Research
Nairobi, Kenya
Related Publications (5)
Barnabas RV, Brown ER, Onono MA, Bukusi EA, Njoroge B, Winer RL, Galloway DA, Pinder LF, Donnell D, N Wakhungu I, Biwott C, Kimanthi S, Heller KB, Kanjilal DG, Pacella D, Morrison S, A Rechkina E, L Cherne S, Schaafsma TT, McClelland RS, Celum C, Baeten JM, Mugo NR; KEN SHE Study Team. Durability of single-dose HPV vaccination in young Kenyan women: randomized controlled trial 3-year results. Nat Med. 2023 Dec;29(12):3224-3232. doi: 10.1038/s41591-023-02658-0. Epub 2023 Dec 4.
PMID: 38049621DERIVEDBarnabas RV, Brown ER, Onono MA, Bukusi EA, Njoroge B, Winer RL, Galloway DA, Pinder LF, Donnell D, Wakhungu I, Congo O, Biwott C, Kimanthi S, Oluoch L, Heller KB, Leingang H, Morrison S, Rechkina E, Cherne S, Schaafsma TT, McClelland RS, Celum C, Baeten JM, Mugo N. Efficacy of single-dose HPV vaccination among young African women. NEJM Evid. 2022 Jun;1(5):EVIDoa2100056. doi: 10.1056/EVIDoa2100056. Epub 2022 Apr 11.
PMID: 35693874DERIVEDBarnabas RV, Brown ER, Onono M, Bukusi EA, Njoroge B, Winer RL, Donnell D, Galloway D, Cherne S, Heller K, Leingang H, Morrison S, Rechkina E, McClelland RS, Baeten JM, Celum C, Mugo N; KEN SHE Study Team. Single-dose HPV vaccination efficacy among adolescent girls and young women in Kenya (the KEN SHE Study): study protocol for a randomized controlled trial. Trials. 2021 Sep 27;22(1):661. doi: 10.1186/s13063-021-05608-8.
PMID: 34579786DERIVEDTeppler H, Bautista O; Thomas Group; Flores S, McCauley J, Luxembourg A. Design of a Phase III immunogenicity and safety study evaluating two-dose regimens of 9-valent human papillomavirus (9vHPV) vaccine with extended dosing intervals. Contemp Clin Trials. 2021 Jun;105:106403. doi: 10.1016/j.cct.2021.106403. Epub 2021 Apr 12.
PMID: 33857679DERIVEDKreimer AR, Cernuschi T, Rees H, Saslow D, Porras C, Schiller J. Prioritisation of the human papillomavirus vaccine in a time of constrained supply. Lancet Child Adolesc Health. 2020 May;4(5):349-351. doi: 10.1016/S2352-4642(20)30038-9. Epub 2020 Feb 17. No abstract available.
PMID: 32078808DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Ruanne Barnabas, MBChB, DPhil
Massachusetts General Hospital
- PRINCIPAL INVESTIGATOR
Nelly Mugo, MBChB, MPH
Kenya Medical Research Institute
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Masking Details
- The study is blinded. The pharmacists, unblinded data manager, and unblinded statistician are the only ones who will know treatment assignment.
- Purpose
- PREVENTION
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
September 6, 2018
First Posted
September 18, 2018
Study Start
December 19, 2018
Primary Completion
February 15, 2024
Study Completion
February 15, 2024
Last Updated
December 13, 2023
Record last verified: 2023-12