CIN2+ was defined as CIN grades 2 and 3, endocervical adenocarcinoma in situ (AIS) and invasive cervical cancer.

Detection was done in:

1. DNA- and sero-: subjects HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative (sero-) for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0).
2. Overall: subjects DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects who had received 3 doses of study vaccine, who had a normal or low-grade cytology (i.e. negative or Atypical Squamous Cells of Undetermined Significance (ASC-US) or Low-grade Squamous Intraepithelial Lesion (LSIL)) at Month 0.

CIN2+ was defined as CIN grades 2 and 3, endocervical adenocarcinoma in situ (AIS) and invasive cervical cancer.

Detection was done in subjects:

1. DNA- and sero-: HPV deoxyribonucleic acid (DNA) negative (DNA-) at Month 0 and Month 6 for the corresponding HPV-type and seronegative (sero-) for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0)
2. Overall: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects who had received 3 doses of study vaccine, who had a normal or low-grade cytology (i.e. negative or Atypical Squamous Cells of Undetermined Significance (ASC-US) or Low-grade Squamous Intraepithelial Lesion (LSIL)) at Month 0.

CIN1+ was defined as histopathologically-confirmed lesions including cervical intraepithelial neoplasia of grade 1 (CIN1), grade 2 (CIN2), grade 3 (CIN3), AIS and invasive cervical cancer.

Detection was done in subjects:

1. DNA- and sero-: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and sero- for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0)
2. Overall: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0.

Solicited local symptoms assessed include pain, redness and swelling. Solicited general symptoms assessed include arthralgia, fatigue, fever (measured in degree celsius (°C) by axillary route), gastrointestinal symptoms, headache, myalgia, rash and urticaria.

Data are presented across the 3 doses.

Analysis was performed on a safety subset of the Total vaccinated cohort, which included vaccinated subjects from certain sites. Data are presented for the total subset (total), then stratified subject HPV-16/18 DNA & serostatus at baseline: DNA positive (DNA+) or negative (DNA-), ELISA seropositive (sero+) or seronegative (sero-).

Unsolicited adverse event (AE) covers any AE reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms.

Analysis was performed on the Safety Subset of the Total Vaccinated Cohort and stratified according to initial (Month 0) HPV-16/18 DNA Status and According to HPV-16 or -18 Serostatus.

SAEs assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity or are a congenital anomaly/birth defect in the offspring of a study subject.

Analysis was performed on the Total Vaccinated Cohort. The data are presented stratified by initial (Month 0) HPV-16/18 DNA status and according to HPV-16 or 18 serostatus (by ELISA).

NOCDs include autoimmune disorders, asthma, type I diabetes, allergies.

Analysis was performed on the Total Vaccinated Cohort and stratified according to initial (Month 0) HPV-16/18 DNA Status and According to HPV-16 or -18 Serostatus.

Medically significant conditions include adverse events (AEs) prompting emergency room or physician visits that are not related to common diseases or routine visits for physical examination or vaccination, or serious adverse events (SAEs) that are not related to common diseases. Common diseases include upper respiratory infections, sinusitis, pharyngitis, gastroenteritis, urinary tract infections, cervico-vaginal yeast infections, menstrual cycle abnormalities and injury.

Analysis was performed on the Total Vaccinated Cohort and stratified according to initial (Month 0) HPV-16/18 DNA Status and According to HPV-16 or -18 Serostatus.

Pregnancy outcomes are normal infant, premature infant, abnormal infant, elective termination, therapeutic abortion, ectopic pregnancy, spontaneous abortion, still birth, lost to follow-up, no pregnancy/molar pregnancy, pregnancy ongoing.

Analysis was performed on the Total Vaccinated Cohort and stratified according to initial (Month 0) HPV-16/18 DNA Status and According to HPV-16 or -18 Serostatus.

Persistent cervical HPV infection (6-month definition) was defined as the detection of the same HPV type by polymerase chain reaction (PCR) in cervical samples at 2 consecutive evaluations over approximately a 6-month interval.

Detection was done in subjects:

1. DNA- and sero-: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and sero- for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0)
2. Overall: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0. All subjects had at least 5 months of follow-up after Month 12

Persistent cervical HPV infection (6-month definition) was defined as the detection of the same HPV type by polymerase chain reaction (PCR) in cervical samples at 2 consecutive evaluations over approximately a 6-month interval.

Detection was done in subjects:

1. DNA- and sero-: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and sero- for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0)
2. Overall: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline.

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine, who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0. All subjects had at least 5 months of follow-up after Month 12

Oncogenic types included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

Detection was done in subjects who were HPV DNA negative at baseline regardless of initial serostatus.

HRW-HPV= All high-risk (oncogenic) HPV types excluding HPV-16 and HPV-18 HR-HPV= High-risk (oncogenic) HPV types: HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0. All subjects had at least 5 months of follow-up after Month 12.

Oncogenic types included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

Detection was done in subjects who were HPV DNA negative at baseline regardless of initial serostatus.

HRW-HPV = All high-risk (oncogenic) HPV types excluding HPV-16 and HPV-18 HR-HPV = High-risk (oncogenic) HPV types: HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0. All subjects had at least 5 months of follow-up after Month 12.

CIN1+ was defined as histopathologically-confirmed lesions including cervical intraepithelial neoplasia of grade 1 (CIN1), grade 2 (CIN2), grade 3 (CIN3), AIS and invasive cervical cancer.

Detection was done in subjects:

1. DNA- and sero-: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and sero- for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0)
2. Overall: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0.

Persistent cervical HPV infection (12-month definition) was defined as the detection of the same HPV type (by PCR) over a 12-month interval (evaluations were planned at approximately 6-month intervals).

Detection was done in subjects:

1. DNA- and sero-: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and sero- for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0)
2. Overall: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0. All subjects had at least 10 months of follow-up after Month 12

Persistent cervical HPV infection (12-month definition) was defined as the detection of the same HPV type (by PCR) over a 12-month interval (evaluations were planned at approximately 6-month intervals).

Detection was done in subjects:

1. DNA- and sero-: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and sero- for HPV-16 and/or HPV-18 by Enzyme-linked Immunosorbent Assay (ELISA) at baseline (Month 0)
2. Overall: subjects HPV DNA- at Month 0 and Month 6 for the corresponding HPV-type and regardless of initial serostatus at baseline

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0. All subjects had at least 10 months of follow-up after Month 12.

Oncogenic HPV types assessed included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

Detection was done in subjects who were HPV DNA negative at baseline regardless of initial serostatus.

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0.

Oncogenic HPV types assessed included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

Detection was done in subjects who were HPV DNA negative at baseline regardless of initial serostatus.

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0.

CIN2+ was defined as histopathologically-confirmed lesions including cervical intraepithelial neoplasia of grade 2 (CIN2), grade 3 (CIN3), AIS and invasive cervical cancer.

Oncogenic types detected included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

Detection was done in subjects who were HPV DNA negative at baseline, regardless of initial serostatus.

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0.

CIN2+ was defined as histopathologically-confirmed lesions including cervical intraepithelial neoplasia of grade 2 (CIN2), grade 3 (CIN3), AIS and invasive cervical cancer.

Oncogenic types detected included HPV-16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68.

Detection was done in subjects who were HPV DNA negative at baseline, regardless of initial serostatus.

Analysis was performed on the According-to-Protocol (ATP) cohort for efficacy, which included all evaluable subjects, who had received 3 doses of study vaccine and who had a normal or low-grade cytology (i.e. negative or ASC-US or LSIL) at Month 0.

Cut-off values assessed for seropositivity include 8 enzyme-linked immunosorbent assay units per milliliter (EL.U/mL) for anti-HPV-16 antibodies and 7 EL.U/mL for anti-HPV-18 antibodies.

Results are presented for the total group and stratified according to initial (Month 0) HPV-16 or HPV-18 serostatus by ELISA - seronegative (sero-) or seropositive (sero+)

The analyses were performed on the ATP cohort for immunogenicity on evaluable subjects for whom immunogenicity data were available.

Titers are given as Geometric Mean Titers (GMTs) expressed as ELISA Units per milliliter (EL.U/mL).

GMTs are presented for the total group and also stratified according to initial (Month 0) HPV-16 or HPV-18 serostatus by ELISA [seronegative (sero-) or seropositive (sero+)].

The analyses were performed on the ATP cohort for immunogenicity for whom immunogenicity data were available.

HPV-16 V5 cut-off was defined as greater than or equal to 41 ELU/mL. Only seronegative subjects were analysed. Seronegative subjects are subjects who had an antibody titer of less than 41 ELU/mL before vaccination.

HPV-18 J4 cut-off was defined as greater than or equal to 110 EL.U/mL. Both seropositive and seronegative subjects were included in the analysis. Seropositive subjects were subjects with an antibody titer of greater than or equal to 110 EL.U/mL. Seronegative subjects were subjects with an antibody titer less than 110 EL.U/mL.

Analyses was performed on the Total Vaccinated Cohort on subjects with available results.

Titers were expressed as GMTs in ELISA units per milliliter (EL.U/mL).

The analyses was performed on the Total Vaccinated cohort on subjects with available results.

Seropositivity was defined as subjects with a titer equal to or greater than 40.

Subjects with an antibody titer smaller than 40 prior to vaccination were seronegative prior to vaccination and subjects with a titer equal to or greater than 40 were seropositive prior to vaccination.

The analyses were performed on the ATP cohort for immunogenicity which included subjects for whom immunogenicity data were available.

Titers were expressed as GMTs.

The analyses were performed on the ATP cohort for immunogenicity for whom immunogenicity data were available.

GMT for anti-HPV-16 antibodies by ELISA in subjects with breakthrough persistent infections 6-month definition, were compared to those in a matched set of subjects without breakthrough persistent infections. Due to the lack of seronegative subjects at Month 7, the hazard ratio (and Confidence Interval) was not calculated.

The analysis was based on the Total Vaccinated Cohort, which included all vaccinated subjects for whom data were available, only on subjects HPV-16 DNA negative and seronegative at baseline.

Seroconversion rates for anti-HPV-16 antibodies by ELISA in subjects with breakthrough persistent infections 6-month definition, were compared to those in a matched set of subjects without breakthrough persistent infections. Due to the lack of seronegative subjects at Month 7, the hazard ratio (and Confidence interval) was not calculated.

The analysis was based on the Total Vaccinated Cohort, which included all vaccinated subjects for whom data were available, only on subjects HPV-16 DNA negative and seronegative at baseline.

GMTs for anti-HPV-16 antibodies by ELISA in subjects with breakthrough persistent infections 12-month definition, were compared to those in a matched set of subjects without breakthrough persistent infections.

The analysis was based on the Total Vaccinated Cohort, which included all vaccinated subjects for whom data were available, only on subjects HPV-16 DNA negative and seronegative at baseline.

Seroconversion rates for anti-HPV-16 antibodies by ELISA in subjects with breakthrough persistent infections 12-month definition, were compared to those in a matched set of subjects without breakthrough persistent infections. Due to the lack of seronegative subjects at Month 7, the hazard ratio (and Confidence Interval) was not calculated.

The analysis was based on the Total Vaccinated Cohort, which included all vaccinated subjects for whom data were available, only on subjects HPV-16 DNA negative and seronegative at baseline.

GMTs for anti-HPV-18 antibodies by ELISA in subjects with breakthrough persistent infections 6-month definition, were compared to those in a matched set of subjects without breakthrough persistent infections.

The analysis was based on the Total Vaccinated Cohort, which included all vaccinated subjects for whom data were available, only on subjects HPV-18 DNA negative and seronegative at baseline.

Seroconversion rates for anti-HPV-18 antibodies by ELISA in subjects with breakthrough persistent infections 6-month definition, were compared to those in a matched set of subjects without breakthrough persistent infections. Due to the lack of seronegative subjects at Month 7, the hazard ratio (and Confidence Interval) was not calculated.

The analysis was based on the Total Vaccinated Cohort, which included all vaccinated subjects for whom data were available, only on subjects HPV-18 DNA negative and seronegative at baseline.

GMTs for anti-HPV-18 antibodies by ELISA in subjects with breakthrough persistent infections 12-month definition, were compared to those in a matched set of subjects without breakthrough persistent infections.

The analysis was based on the Total Vaccinated Cohort, which included all vaccinated subjects for whom data were available, only on subjects HPV-18 DNA negative and seronegative at baseline.

Seroconversion rates for anti-HPV-18 antibodies by ELISA in subjects with breakthrough persistent infections 12-month definition, were compared to those in a matched set of subjects without breakthrough persistent infections. Due to the lack of seronegative subjects at Month 7, the hazard ratio (and Confidence Interval) was not calculated.

The analysis was based on the Total Vaccinated Cohort, which included all vaccinated subjects for whom data were available, only on subjects HPV-18 DNA negative and seronegative at baseline.