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. 2022 Aug 3;52:101585. doi: 10.1016/j.eclinm.2022.101585

Table 1.

Summary of the study and participant characteristics of the Ns = 18 independent trials included (Details of the Np = 43 publications included are presented in Supplement Table S3).

Single arm trials (Longitudinal studies)
Controlled trials
Number (Ns = 8) References (Np = 22) Number (Ns = 10) References (Np = 21)
A) Study characteristics
WHO region
Africa 1 30,48 1 49,50
America 4 32,46,47,51, 52, 53,54,55,56,75, 76, 77, 78, 79 4 62,63,64,65,66,67,68,69
Europe 1 70 4 31,71,83, 84, 85, 86, 87, 88, 89
Asia 1 79,80 0
Mix 1 81,82,83 1 84,85
Study year (mid-point)
2000-2010 3 30,32,47,52,53,79,56,57,77, 78, 79 2 62,66,49,69
Post 2010 4 46,51,54,55,48,58,69,80 8 31,63,71,64,65,67,68,83, 84, 85, 86, 87, 88, 89,84,85
Not reported 1 70 0
Vaccine type
Nonavalent 0 1 77,78
Quadrivalent 8 30,32,46, 47, 48, 49,51, 52, 53,54,58, 60, 59,48,75, 76, 77, 78, 79,70,80,83 7 31,62,63,71,64,65,66,67,69,83, 84, 85, 86, 87,84,85
Bivalent 0 4 31,49,50,68,72,73,76,84,85
Vaccine doses
3 doses 8 31,46,47,62,63,64,79,65,66,67,72, 73, 74,59,68,69,83, 84, 85, 86, 87 10 32,81,52,53,56,60,77,78,84,85
4 doses 1 57,60 2 63,66,67,69
Study design
Randomized controlled trials: N/A 7 31,62,63,71,64,65,66,67,49,50,69,83, 84, 85,76,84,85
Quadrivalent vaccine vs Placebo N/A 4 62,63,71,64,65,66,67,69,74
Bivalent vaccine vs Placebo N/A 1 49,50
Quadrivalent vs Bivalent vaccines N/A 2 31,72,73,76,84,85
Three vs four doses of quadrivalent vaccine N/A 2 63,66,67
Non randomized controlled trials:+ N/A 3 68,75,77,78
Trials with historical controls (HIV positive unvaccinated, HIV negative vaccinated or HIV negative unvaccinated) 5 30,51,52,54,55,48,61 2 62,63
Number of trial participants (at entry)
Median across studies (IQR) 150 (99-307) 97 (91–219)
Follow-up duration
<1 year 3 62,68,74 4 30,82,51,54,55,57,61,69,70,88, 89, 90
1-2 years 6 31,46,79,49,50,59,72,73,75,76 2 58,84,85
>2 years (maximum: 8 years) 3 47,63,64,65,66,67,48,69 4 81,82,51, 52, 53,54,71,55,56,58,69,80
B) Participant characteristics
Sex
Female 5 47, 48, 49,51, 52, 53,54,58, 60, 59,58,59,70,80,83 2 49,50,84,85
Male 2 32,46,57,60,61 2 71,68,74
Female and Male 1 30,48 6 31,62,63,64,65,66,67,69,72,73,86, 87, 88, 89
Age category/
Children (≤18 years) 3 30,54,48,70 2 62,63,66,67,69
Adults (>18 years) 3 32,46,51,57,77, 78, 79 6 31,71,64,65,49,50,68,83, 84, 85,87, 88, 89
Mix of adults and children 4 47, 48, 49,52,53,58, 60, 59,58,80,83 2 75,84,85
Proportion of participants on ART (Baseline)
100% 1 70 1 76
67-99% 3 30,32,54,55,48,60,61 6 31,63,71,64,66,67,83, 84, 85,77
25-66% 2 81,52,53,79,56,83 1 85
<25% 0 1 50
Not reported 5 46,47,82,51,75, 76, 77,80 7 62,65,49,68,69,75,78,84
Baseline CD4 count (Mean or Median)
<350 cells/mm3 1 81,82,83 0
350–500 cells/mm3 1 47 1 50
>500 cells/mm3 4 30,32,51,52,54,55,79,48,58,60,61 8 31,62,63,71,64,65,66,67,69,83, 84, 85, 86, 87, 88,85
Not reported 4 53,56,57,59,70,80 4 49,68,78,84
C) Study outcomes
Immunogenicity
Seropositivitya:
Stratified by:
5 30,32,81,82,51, 52, 53,54,79,56,48,57,60,61,83 9 31,62,63,66,49,50,68,69,72,73,75,77,78,84,85
 CD4 count/nadir 1 82 1 62
 ART status 1 53 0
 Viral suppression 0 0
Geometric mean antibody titre (GMT):
Stratified by:
6 30,32,46,81,82,51, 52, 53,54,48,57,77, 78, 79,83 6 31,62,63,50,69,73,76,77,84,85
 CD4 count/nadir 1 82 1 62
 ART status 1 53 0
 Viral suppression 1 54 0
Biological outcomes
 Genital warts 2 46,55 0
 Anogenital DNA infection 4 32,46,47,82,55,79 3 31,71,64,73
 Cytology (anal/cervical) 0 2 71,64,65
 Histology (CIN2+) 1 55 0
Safety
AEs (possibly, probably or definitely related to vaccine) 3 32,46,52,53,79,56,57,60,61 2 62,64,65,66,69
 Any AEs 7 30,32,46, 47, 48, 49,51, 52, 53,54,58, 60, 59,48,57,58,60,61,80,83 7 31,62,71,64,65,66,49,50,69,73,74,87, 88, 89,84,85
 (S)AEs 7 30, 32, 46, 72, 52, 53, 55, 60, 75, 77, 78, 79, 59, 90, 48, 49, 91 7 31,62,71,64,65,66,49,50,69,83, 84, 85,87, 88, 89,84,85
a

The proportion of the population that is seropositive for any of the HPV vaccine types at any point in time regardless of baseline HPV status; (S)AEs = (serious) Adverse Events, CIN = Cervical intraepithelial neoplasia; Np: Number of publications; Ns: Number of independent trials; //Children if participants are < 18 years old and adults if ≥ 18 years old; Range between 7 and 18 years old; Historical control group based on participants recruited in a different study, time, location; +All compare vaccine in HIV positive and negative participants.