Immunogenicity of GlaxoSmithKline Biological’s Human Papillomavirus (HPV) vaccine (580299) versus Merck’s Gardasil® in healthy females 18-45 years of age
Trial overview
Titers of anti-human Papilloma Virus 16 (Anti-HPV-16) and Anti-human Papilloma Virus 18 (Anti-HPV-18) neutralizing antibodies
Timeframe: At Month 7
Titers of Anti-human Papilloma Virus 16 (Anti-HPV-16) and Anti-human Papilloma Virus 18 (Anti-HPV-18) neutralizing antibodies
Timeframe: At Month 6, 7, 12, 18, 24, 36, 48 and 60
Number of Subjects With Antibody Titers (Neutralizing Assay) Against Other oncongenic HPV types Greater Than or Equal to the Cut-off Value
Timeframe: At Month 7
Titers of Antibodies to Other Oncogenic HPV Types measured by Neutralization Assay
Timeframe: At Month 7
Number of Subjects with antibody titers (neutralizing assay) against Human Papilloma Virus 16 (Anti-HPV-16) and Human Papilloma Virus 18 (Anti-HPV-18) greater than or equal to the cut-off value
Timeframe: At Month 6, 7, 12, 18, 24, 36, 48 and 60
Number of subjects with anti-HPV-16 and anti-HPV-18 Immunoglobulin G (IgG) antibody titers above cut-off values, measured by Enzyme-linked Immunosorbent Assay (ELISA)
Timeframe: At Month 6, 7, 12, 18, 24, 36, 48 and 60
Titers of anti-HPV-16 and anti-HPV-18 Immunoglobulin G (IgG) antibodies measured by enzyme-linked immunosorbent assay (ELISA)
Timeframe: At Month 6, 7, 12, 18, 24, 36, 48 and 60
Number of subjects with antibody titers to other oncogenic HPV types greater than or equal to a cut-off value, measured by enzyme-linked immunosorbent assay (ELISA)
Timeframe: At Month 6, 7, 12, 18, 24, 36 and 48
Titers of antibodies to other oncogenic HPV types measured by Enzyme-linked Immunosorbent Assay (ELISA)
Timeframe: At Month 6, 7, 12, 18, 24, 36 and 48
Number of HPV-16 and HVP-18 specific CD4 cells producing at least 2 different cytokines per million of CD4 T cells
Timeframe: At Month 7, 12, 18, 24, 36 and 48
Number of HPV-16 and HVP-18 specific CD8 cells producing at least 2 different cytokines per million of CD8 T cells
Timeframe: At Month 7, 12 and 18
Number of HPV-16 and HVP-18 specific B-cells per million B cells
Timeframe: At Month 7, 12, 18, 24, 36 and 48
Titers of HPV-16 IgG and HPV-18 IgG (by ELISA) in cervico-vaginal secretions (CVS)
Timeframe: At Month 7, 12, 18, 24, 36 and 48
Number of subjects completing the 3-dose vaccination schedule
Timeframe: Up to Month 7
Number of subjects reporting any, Grade 3 and related solicited local symptoms
Timeframe: During the 7-day period (Day 0-6) following vaccination
Number of subjects reporting any, Grade 3 and related solicited general symptoms
Timeframe: During the 7-day period (Day 0-6) following vaccination
Number of subjects with any, Grade 3 and related unsolicited adverse events (AEs)
Timeframe: During the 30-day period (Day 0-29) following vaccination
Number of subjects reporting New Onset of Chronic Diseases (NOCDs) and Medically Significant Conditions (MSCs)
Timeframe: Up to Month 7
Number of subjects reporting New Onset of Chronic Diseases (NOCDs) and Medically Significant Conditions (MSCs)
Timeframe: Up To Month 12
Number of subjects reporting New Onset of Chronic Diseases (NOCDs) and Medically Significant Conditions (MSCs)
Timeframe: Up To Month 18
Number of subjects reporting New Onset of Chronic Diseases (NOCDs) and Medically Significant Conditions (MSCs)
Timeframe: Up To Month 24
Number of subjects reporting New Onset of Chronic Diseases (NOCDs) and Medically Significant Conditions (MSCs)
Timeframe: Up To Month 36
Number of subjects reporting New Onset of Chronic Diseases (NOCDs) and Medically Significant Conditions (MSCs)
Timeframe: Up to Month 48
Number of subjects reporting New Onset of Chronic Diseases (NOCDs) and Medically Significant Conditions (MSCs)
Timeframe: Up to Month 60
Number of subjects with any, Grade 3 and related serious adverse events (SAEs)
Timeframe: Up to Month 7
Number of subjects with any, Grade 3 and related serious adverse events (SAEs)
Timeframe: Up to Month 12
Number of subjects with any, Grade 3 and related serious adverse events (SAEs)
Timeframe: Up to Month 18
Number of subjects with any, Grade 3 and related serious adverse events (SAEs)
Timeframe: Up to Month 24
Number of subjects with any, Grade 3 and related serious adverse events (SAEs)
Timeframe: Up to Month 36
Number of subjects with any, Grade 3 and related serious adverse events (SAEs)
Timeframe: Up to Month 48
Number of subjects with any, Grade 3 and related serious adverse events (SAEs)
Timeframe: Up to Month 60
- A woman whom the investigator believes that she or her legally acceptable representative (in the event that the subject is illiterate) 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 18 and 45 years of age at the time of the first vaccination.
- 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 up to Month 60.
- Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs within six months prior to the first vaccine dose or planned administration during the study period up to Month 60.
- A woman whom the investigator believes that she or her legally acceptable representative (in the event that the subject is illiterate) 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 18 and 45 years of age at the time of the first vaccination.
- Written informed consent must be obtained from the subject prior to enrollment.
- Subject must be free of obvious health problems as established by medical history and history-directed clinical examination before entering into the study.
- Subject must have a negative urine pregnancy test.
- Subject must be of non-childbearing potential, or if she is of child bearing potential, she must practice adequate contraception for 30 days prior to vaccination, have a negative pregnancy test and continue such precautions for 2 months after completion of the vaccination series.
- Subject must have an intact cervix.
- 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 up to Month 60.
- Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs within six months prior to the first vaccine dose or planned administration during the study period up to Month 60.
- 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 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.
- 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 eight months of the study (Months 0-8).
- Previous administration of components of the investigational vaccine
- Previous or planned vaccination against HPV outside of this protocol.
- 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 significant medical conditions and currently under treatment.
- Received immunoglobulins and/or blood product within 90 days preceding enrolment or planned administration during the study period up to Month 60. Enrollment will be deferred until the subject is outside of specified window.
- Acute disease at the time of enrolment. Enrollment will be deferred until condition is resolved. All vaccines can be administered to persons with a minor illness
- 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.