Human Papilloma virus (HPV) vaccine efficacy trial against cervical pre-cancer in young adults with GlaxoSmithKline (GSK) Biologicals HPV-16/18
Trial overview
Number of subjects with histopathologically-confirmed cervical intraepithelial neoplasia (CIN)2+ associated with HPV-16 and/or -18 cervical infection in subjects HPV DNA negative and seronegative at baseline or overall (any serostatus at baseline)
Timeframe: Up to the moment when 36 cases of CIN2+ lesions associated with HPV-16 or HPV-18 infection had been detected, including at least 15 cases of CIN2+ associated with HPV-18 infection. Mean follow-up was 34.9 months post-dose 3
Number of subjects with histopathologically-confirmed cervical intraepithelial neoplasia (CIN)2+ associated with HPV-16 and/or -18 cervical infection in subjects HPV DNA negative and seronegative at baseline or overall (any serostatus at baseline)
Timeframe: at Month 48
Number of subjects with histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ associated with HPV-16 or HPV-18 detected within the lesional component of the cervical tissue specimen
Timeframe: Up to the moment when 36 cases of CIN2+ lesions associated with HPV-16 or HPV-18 infection had been detected, including at least 15 cases of CIN2+ associated with HPV-18 infection. Mean follow-up was 34.9 months post dose 3
Number of subjects reporting solicited local and general symptoms
Timeframe: Within 7 days after any vaccination
Number of subjects reporting unsolicited adverse events
Timeframe: Within 30 days after any vaccination
Number of subjects reporting serious adverse events (SAEs)
Timeframe: Throughout the entire study period (Month 0 to Month 48)
Number of subjects reporting new onset of chronic disease (NOCDs)
Timeframe: Throughout the entire study (Month 0 to 48)
Number of subjects reporting medically significant conditions
Timeframe: Throughout entire study period (Month 0 to Month 48)
Number of subjects with outcome of pregnancies, overall and stratified by initial (Month 0) HPV-16/18 DNA status and according to HPV-16 or -18 serostatus
Timeframe: Throughout the entire study period (Month 0 to Month 48)
Number of subjects with persistent infection (6-month definition) with HPV-16 or HPV-18
Timeframe: Up to the moment when 36 cases of CIN2+ lesions associated with HPV-16 or HPV-18 infection had been detected, including at least 15 cases of CIN2+ associated with HPV-18 infection. Mean follow-up was 34.9 months post dose 3
Number of subjects with persistent infection (6-month definition) with HPV-16 or HPV-18
Timeframe: at Month 48
Number of subjects with persistent infection (6-month definition) with oncogenic HPV types
Timeframe: Up to the moment when 36 cases of CIN2+ lesions associated with HPV-16 or HPV-18 infection had been detected, including at least 15 cases of CIN2+ associated with HPV-18 infection. Mean follow-up was 34.9 months post dose 3
Number of Subjects With Persistent Infection (6-month Definition) With Oncogenic HPV Types
Timeframe: at Month 48
Number of Subjects With Histopathologically-confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With HPV-16 or HPV-18 Detected Within the Lesional Component of the Cervical Tissue Specimen
Timeframe: at Month 48
Number of subjects reporting persistent infection (12-month definition) with HPV-16 or HPV-18
Timeframe: Up to the moment when 36 cases of CIN2+ lesions associated with HPV-16 or HPV-18 infection had been detected, including at least 15 cases of CIN2+ associated with HPV-18 infection. Mean follow-up was 34.9 months post dose 3
Number of Subjects Reporting Persistent Infection (12-month Definition) With HPV-16 or HPV-18
Timeframe: at Month 48
Number of subjects with histopathologically confirmed Cervical Intraepithelial Neoplasia (CIN)1+ associated with oncogenic HPV types detected within the lesional component of the cervical tissue specimen
Timeframe: Up to the moment when 36 cases of CIN2+ lesions associated with HPV-16 or HPV-18 infection had been detected, including at least 15 cases of CIN2+ associated with HPV-18 infection. Mean follow-up was 34.9 months post dose 3
Number of Subjects With Histopathologically Confirmed Cervical Intraepithelial Neoplasia (CIN)1+ Associated With Oncogenic HPV Types Detected Within the Lesional Component of the Cervical Tissue Specimen
Timeframe: at Month 48
Number of subjects with histopathologically confirmed Cervical Intraepithelial Neoplasia (CIN)2+ associated with oncogenic HPV types detected within the lesional component of the cervical tissue specimen
Timeframe: Up to the moment when 36 cases of CIN2+ lesions associated with HPV-16 or HPV-18 infection had been detected, including at least 15 cases of CIN2+ associated with HPV-18 infection. Mean follow-up was 34.9 months post dose 3
Number of subjects with histopathologically confirmed Cervical Intraepithelial Neoplasia (CIN)2+ associated with oncogenic HPV types detected within the lesional component of the cervical tissue specimen
Timeframe: at Month 48
Number of seropositive subjects for anti-HPV-16 and anti-HPV-18 antibody titers by ELISA in the immunogenicity subset, according to initial (Month 0) HPV-16 or HPV-18 serostatus
Timeframe: At Months 6, 7, 12, 24, 36 & 48
Anti-HPV-16 and anti-HPV-18 ELISA titers in the immunogenicity subset
Timeframe: At Months 6, 7, 12, 24, 36 and 48
HPV-16 and HPV-18 seroconversion (V5/J4 monoclonal inhibition test)
Timeframe: Month 0, 7, 12 and 24
HPV-16 and HPV-18 Geometric Mean Titers (GMT) (V5/J4 monoclonal inhibition test)
Timeframe: Month 0, 7, 12, 24
Number of subjects seropositive for anti-HPV-16 and anti-HPV-18 antibodies using pseudovirion based neutralizing assay (PBNA)
Timeframe: At Month 0, 7, 12, 24, 36 and 48
Titers for anti-HPV-16 and anti-HPV-18 antibodies using pseudovirion based neutralizing assay (PBNA)
Timeframe: At month 0, 7, 12, 24, 36 and 48
Geometric mean titers of anti-HPV-16 in subjects without and with 6-month persistent infection
Timeframe: At Month 7
Number of seroconverted subjects for anti-HPV-16 without and with 6-month persistent infection.
Timeframe: At Month 7
Geometric mean titers of anti-HPV-16 in subjects without and with 12-month persistent infection
Timeframe: At Month 7
Number of seroconverted subjects for anti-HPV-16 without and with 12-month persistent infection
Timeframe: At Month 7
Geometric mean titers of anti-HPV-18 in subjects without and with 6-month persistent infection
Timeframe: At Month 7
Number of seroconverted subjects for anti-HPV-18 without and with 6-month persistent infection.
Timeframe: At Month 7
Geometric mean titers of anti-HPV-18 in subjects without and with 12-month persistent infection
Timeframe: At Month 7
Number of seroconverted subjects for anti-HPV-18 without and with 12-month persistent infection
Timeframe: At Month 7
- A woman whom the investigator believes that she and/or her parents/legally acceptable representative can and will comply with the requirements of the protocol (e.g., completion of the diary cards, return for follow-up visits).
- A woman between, and including, 15 and 25 years of age at the time of the first vaccination.
- Pregnant or breastfeeding. Women must be at least 3 months post-pregnancy and not breastfeeding to enter the study.
- A woman planning to become pregnant or planning to discontinue contraceptive precautions during approximately the first nine months of the study (Months 0-8).
- A woman whom the investigator believes that she and/or her parents/legally acceptable representative can and will comply with the requirements of the protocol (e.g., completion of the diary cards, return for follow-up visits).
- A woman between, and including, 15 and 25 years of age at the time of the first vaccination.
- Written informed consent must be obtained from the subject prior to enrollment (for subjects below the legal age of consent, written informed consent must be obtained from a parent or legal guardian of the subject and, in addition, the subject should sign and personally date a written informed assent).
- Subject must be free of obvious health problems as established by medical history and clinical examination before entering into the study.
- Subject must have a negative urine pregnancy test.
- Subject must be of non-childbearing potential or, if of childbearing potential, she must be abstinent or must be using adequate contraceptive precautions for 30 days prior to the first vaccination and must agree to continue such precautions for two months after completion of the vaccination series.
- Has had no more than 6 lifetime sexual partners prior to enrollment. This criterion may not be applicable in subjects less than 18 years of age, according to local regulatory/ethical requirements.
- Subject must have intact cervix.
- Pregnant or breastfeeding. Women must be at least 3 months post-pregnancy and not breastfeeding to enter the study.
- A woman planning to become pregnant or planning to discontinue contraceptive precautions during approximately the first nine months of the study (Months 0-8).
- Previous administration of components of the investigational vaccine.
- Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) within 30 days preceding the first dose of study vaccine, or planned use during the study period.
- Chronic administration of immunosuppressants or other immune-modifying drugs within six months prior to the first vaccine dose.
- Planned administration/administration of a vaccine not foreseen by the study protocol within 30 days before and 30 days after (i.e. days 0-29) each dose of vaccine. Administration of some routine vaccines up to 8 days before each dose of study vaccine is allowed. Enrolment will be deferred until the subject is outside of specified window.
- Previous vaccination against human papillomavirus (HPV).
- History of vaccination against Hepatitis A or a known clinical history of Hepatitis A disease.
- History of having had colposcopy or has planned a colposcopy to evaluate an abnormal cervical cytology (Pap smear) test.
- Any medically diagnosed or suspected immunodeficient condition based on medical history and physical examination.
- History of allergic disease, suspected allergy or reactions likely to be exacerbated by any component of the study vaccines.
- Hypersensitivity to latex.
- Known acute or chronic, clinically significant pulmonary, cardiovascular, neurologic, hepatic or renal functional abnormality, as determined by previous physical examination or laboratory tests.
- History of chronic condition(s) requiring treatment.
- Received immunoglobulins and/or blood product within 90 days preceding enrollment. Enrollment will be deferred until the subject is outside of specified window.
- Acute disease at the time of enrolment.
- Heavy bleeding (menstruation or other) or heavy vaginal discharge in which a pelvic exam cannot be performed. Enrollment will be deferred until condition is resolved according to investigator's medical judgement.
Trial location(s)
Study documents
If you wish to request for full study report, please contact - [email protected]
Results overview
Results posted on ClinicalTrials.gov
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.