Infections, Meningococcal Clinical Trial
Official title:
Safety and Immunogenicity of GSK Meningococcal Group B Vaccine and 13-valent Pneumococcal Vaccine Administered Concomitantly With Routine Infant Vaccines to Healthy Infants
Verified date | February 2024 |
Source | GlaxoSmithKline |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this study is to evaluate the safety and immunogenicity of Bexsero (meningococcal group B vaccine-rMenB+OMV NZ) in North American infants 6 weeks through 12 weeks of age, when administered concomitantly with Pneumococcal conjugate vaccine (PCV 13) and other recommended routine infant vaccines(RIV).
Status | Active, not recruiting |
Enrollment | 1200 |
Est. completion date | October 8, 2024 |
Est. primary completion date | October 8, 2024 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 6 Weeks to 12 Weeks |
Eligibility | Inclusion Criteria: All subjects must satisfy all the following criteria at study entry: - Subjects' parent(s)/Legally Acceptable Representative(s) [LAR(s)] who, in the opinion of the investigator, can and will comply, with the requirements of the protocol (e.g. completion of the eDiary, return for follow-up visits). - Written informed consent obtained from the parent(s)/LAR(s) of the subject prior to performing any study specific procedure. - A male or female between, and including, 42 and 84 days of age (i.e., 6 through 12 weeks) at the time of the 1st vaccination. - Healthy subjects as established by medical history and clinical examination before entering into the study. - Born full-term (i.e. after a gestation period of = 38 weeks). Exclusion Criteria: If any exclusion criterion applies, the subject must not be included in the study: • Child in care Each subject must not have: - Progressive, unstable or uncontrolled clinical conditions. - Hypersensitivity, including allergy to any component of vaccines, medicinal product or medical equipment whose use is foreseen in this study. - Hypersensitivity to latex. - Clinical conditions representing a contraindication to intramuscular vaccination and blood draws. - Abnormal function of the immune system resulting from: - Clinical conditions. - Systemic administration of corticosteroids (PO/IV/IM) for more than 14 consecutive days from birth. - Administration of antineoplastic and immunomodulating agents or radiotherapy for any duration from birth. - Autoimmune disorders (including, but not limited to: blood, endocrine, hepatic, muscular, nervous system or skin autoimmune disorders; lupus erythematosus and associated conditions; rheumatoid arthritis and associated conditions; scleroderma and associated disorders) or immunodeficiency syndromes (including, but not limited to: acquired immunodeficiency syndromes and primary immunodeficiency syndromes). - Received immunoglobulins or any blood products from birth. - Received an investigational or non-registered medicinal product from birth. - Any other clinical condition that, in the opinion of the investigator, might pose additional risk to the subject due to participation in the study. - Neuroinflammatory disorders (including but not limited to: demyelinating disorders, encephalitis or myelitis of any origin), congenital and peripartum neurological conditions, encephalopathies, seizures (including all subtypes such as: absence seizures, generalised tonic-clonic seizures, partial complex seizures, partial simple seizures or febrile convulsions). - Congenital or peripartum disorders resulting in a chronic condition (including but not limited to: chromosomal abnormalities, cerebral palsy, metabolism or synthesis disorders, cardiac disorders). - Study personnel as an immediate family or household member. - Current or previous, confirmed or suspected disease caused by N. meningitidis - Household contact with and/or intimate exposure from birth to an individual with laboratory confirmed N. meningitidis and/or Streptococcus pneumoniae infection or colonization. - Previous administration of meningococcal B or pneumococcal vaccine at any time prior to informed consent. - Received a dose of DTPa-HBV-IPV, HRV, MMR, VV and/or Hib at any time prior to informed consent. Receipt of one dose of HBV up to 4 weeks prior to informed con-sent is allowed. - Serious chronic illness. - Uncorrected congenital malformation (such as Meckel's diverticulum) of the gastrointestinal tract that would predispose for Intussusception (IS). |
Country | Name | City | State |
---|---|---|---|
Puerto Rico | GSK Investigational Site | San Juan | |
United States | GSK Investigational Site | Anaheim | California |
United States | GSK Investigational Site | Baltimore | Maryland |
United States | GSK Investigational Site | Bardstown | Kentucky |
United States | GSK Investigational Site | Beaumont | Texas |
United States | GSK Investigational Site | Bingham Farms | Michigan |
United States | GSK Investigational Site | Birmingham | Alabama |
United States | GSK Investigational Site | Boone | North Carolina |
United States | GSK Investigational Site | Bryan | Texas |
United States | GSK Investigational Site | Charleston | South Carolina |
United States | GSK Investigational Site | Charleston | South Carolina |
United States | GSK Investigational Site | Cincinnati | Ohio |
United States | GSK Investigational Site | Clarksville | Tennessee |
United States | GSK Investigational Site | Daly City | California |
United States | GSK Investigational Site | Dayton | Ohio |
United States | GSK Investigational Site | Dayton | Ohio |
United States | GSK Investigational Site | Fairfield | Ohio |
United States | GSK Investigational Site | Fall River | Massachusetts |
United States | GSK Investigational Site | Hermitage | Pennsylvania |
United States | GSK Investigational Site | Houston | Texas |
United States | GSK Investigational Site | Houston | Texas |
United States | GSK Investigational Site | Jonesboro | Arkansas |
United States | GSK Investigational Site | Kansas City | Missouri |
United States | GSK Investigational Site | Kingsport | Tennessee |
United States | GSK Investigational Site | La Vista | Nebraska |
United States | GSK Investigational Site | Lake Mary | Florida |
United States | GSK Investigational Site | Layton | Utah |
United States | GSK Investigational Site | Lincoln | Nebraska |
United States | GSK Investigational Site | Liverpool | New York |
United States | GSK Investigational Site | Louisville | Kentucky |
United States | GSK Investigational Site | Louisville | Kentucky |
United States | GSK Investigational Site | Louisville | Kentucky |
United States | GSK Investigational Site | Marshfield | Wisconsin |
United States | GSK Investigational Site | McAllen | Texas |
United States | GSK Investigational Site | Miami | Florida |
United States | GSK Investigational Site | Nampa | Idaho |
United States | GSK Investigational Site | Nampa | Idaho |
United States | GSK Investigational Site | Newton | Kansas |
United States | GSK Investigational Site | Oakland | California |
United States | GSK Investigational Site | Orem | Utah |
United States | GSK Investigational Site | Pittsburgh | Pennsylvania |
United States | GSK Investigational Site | Provo | Utah |
United States | GSK Investigational Site | Raleigh | North Carolina |
United States | GSK Investigational Site | Richmond | Virginia |
United States | GSK Investigational Site | Roseville | California |
United States | GSK Investigational Site | Roy | Utah |
United States | GSK Investigational Site | Salt Lake City | Utah |
United States | GSK Investigational Site | San Antonio | Texas |
United States | GSK Investigational Site | Sioux Falls | South Dakota |
United States | GSK Investigational Site | South Euclid | Ohio |
United States | GSK Investigational Site | Spokane | Washington |
United States | GSK Investigational Site | Syracuse | Utah |
United States | GSK Investigational Site | Syracuse | New York |
United States | GSK Investigational Site | Tampa | Florida |
United States | GSK Investigational Site | Topeka | Kansas |
United States | GSK Investigational Site | Walnut Creek | California |
United States | GSK Investigational Site | West Covina | California |
Lead Sponsor | Collaborator |
---|---|
GlaxoSmithKline |
United States, Puerto Rico,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Percentages of subjects with solicited local (administration site event) and systemic Adverse Events (AEs) | Assessed solicited local AEs are hardness and swelling of the skin and redness, tenderness or discomfort to touch at injection site.
Assessed solicited systemic AEs are decreased eating, increased sleepiness, vomiting/throwing up, loose stools/diarrhea, irritability, persistent/continuous crying and fever, defined as body temperature greater than or equal to (=)38.0°C/100.4°F. Each solicited local and systemic AE are summarized as "any". Any=Occurrence of the solicited local/systemic AE regardless of the intensity grade. |
During the 7-day follow-up period after the 1st vaccination | |
Primary | Percentages of subjects with solicited local (administration site event) and systemic AEs | Assessed solicited local AEs are hardness and swelling of the skin and redness, tenderness or discomfort to touch at injection site.
Assessed solicited systemic AEs are decreased eating, increased sleepiness, vomiting/throwing up, loose stools/diarrhea, irritability, persistent/continuous crying and fever, defined as body temperature =38.0°C/100.4°F. Each solicited local and systemic AE are summarized as "any". Any=Occurrence of the solicited local/systemic AE regardless of the intensity grade. |
During the 7-day follow-up period after the 2nd vaccination | |
Primary | Percentages of subjects with solicited local (administration site event) and systemic AEs | Assessed solicited local AEs are hardness and swelling of the skin and redness, tenderness or discomfort to touch at injection site.
Assessed solicited systemic AEs are decreased eating, increased sleepiness, vomiting/throwing up, loose stools/diarrhea, irritability, persistent/continuous crying and fever, defined as body temperature =38.0°C/100.4°F. Each solicited local and systemic AE are summarized as "any". Any=Occurrence of the solicited local/systemic AE regardless of the intensity grade. |
During the 7-day follow-up period after the 3rd vaccination | |
Primary | Percentages of subjects with solicited local (administration site event) and systemic AEs | Assessed solicited local AEs are hardness and swelling of the skin and redness, tenderness or discomfort to touch at injection site.
Assessed solicited systemic AEs are decreased eating, increased sleepiness, vomiting/throwing up, loose stools/diarrhea, irritability, persistent/continuous crying and fever, defined as body temperature =38.0°C/100.4°F. Each solicited local and systemic AE are summarized as "any". Any=Occurrence of the solicited local/systemic AE regardless of the intensity grade. |
During the 7-day follow-up period after the 4th vaccination | |
Primary | Percentages of subjects with solicited systemic AEs | For MMR and VV-specific solicited systemic AEs assessed are parotid/salivary gland swelling, fever and rash and are summarized. Each solicited systemic AE are further summarized as "any". "Any" = Occurrence of the solicited systemic AE regardless of intensity grade. | During the 30-day (Day 1 - Day 30) follow-up period after the 4th vaccination | |
Primary | Percentages of subjects with all unsolicited AEs | An unsolicited AEs is an AE that is not solicited using a subject diary and that is spontaneously communicated by the parent(s)/LAR(s) who has signed the informed consent or a solicited local or systemic AE that continues beyond the solicited period after vaccination.
Assessed unsolicited AEs include serious adverse events (SAEs), AEs leading to withdrawal, AEs of special interest (AESIs), and medically attended AEs. |
During the 30-day follow-up period after the 1st vaccination | |
Primary | Percentages of subjects with all unsolicited AEs | An unsolicited AEs is an AE that is not solicited using a subject diary and that is spontaneously communicated by the parent(s)/LAR(s) who has signed the informed consent or a solicited local or systemic AE that continues beyond the solicited period after vaccination.
Assessed unsolicited AEs include serious adverse events (SAEs), AEs leading to withdrawal, AEs of special interest (AESIs), and medically attended AEs. |
During the 30-day follow-up period after the 2nd vaccination | |
Primary | Percentages of subjects with all unsolicited AEs | An unsolicited AEs is an AE that is not solicited using a subject diary and that is spontaneously communicated by the parent(s)/LAR(s) who has signed the informed consent or a solicited local or systemic AE that continues beyond the solicited period after vaccination.
Assessed unsolicited AEs include serious adverse events (SAEs), AEs leading to withdrawal, AEs of special interest (AESIs), and medically attended AEs. |
During the 30-day follow-up period after the 3rd vaccination | |
Primary | Percentages of subjects with all unsolicited AEs | An unsolicited AEs is an AE that is not solicited using a subject diary and that is spontaneously communicated by the parent(s)/LAR(s) who has signed the informed consent or a solicited local or systemic AE that continues beyond the solicited period after vaccination.
Assessed unsolicited AEs include serious adverse events (SAEs), AEs leading to withdrawal, AEs of special interest (AESIs), and medically attended AEs. |
During the 30-day follow-up period after the 4th vaccination | |
Primary | Percentages of subjects with SAEs, AEs leading to withdrawal, AESIs and medically attended AEs | A SAE is any untoward medical occurrence that results in death, is life-threatening, requires hospitalization or prolongation of existing hospitalization and that results in disability/incapacity.
An AE leading to withdrawal includes any AEs/SAEs collected and recorded from the time of the 1st receipt of study vaccines until study end which are identified as reasons for withdrawal of the subject from the study. Adverse events of special interest (AESIs) are pre-defined (serious or non-serious) AEs of scientific and medical concern specific to the product or program which might warrant further investigation in order to characterize and understand it. A medically attended AE includes any AEs that requires medical visit. |
Throughout the study period [Day 1 up to study end (Day 481 or Day 661)] | |
Primary | Percentages of subjects with human serum bactericidal assay (hSBA) antibody titers = Lower Limit of Quantitation (LLOQ) for each of the M14459, 96217, NZ98/254 and M13520 test strains | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520 respectively. Each of these strains measures bactericidal activity primarily directed against one of the major bactericidal antigens included in the vaccine.
The sufficiency of the immune response to rMenB+OMV NZ at 1 month after the 3rd vaccination is demonstrated if the adjusted lower confidence limit for the percentage of subjects achieving hSBA titers =LLOQ is =60% for the N. meningitidis serogroup B test strains M14459, 96217, NZ98/254, M13520 (individually). |
At 1 month after the 3rd vaccination (Day 151) | |
Primary | Percentages of subjects with hSBA antibody titers =LLOQ for all strains combined (M14459, 96217, NZ98/254 and M13520) | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520 respectively. Each of these strains measures bactericidal activity primarily directed against one of the major bactericidal antigens included in the vaccine.
The sufficiency of the immune response to rMenB+OMV NZ at 1 month after the 3rd vaccination is demonstrated if the adjusted lower confidence limit for the percentage of subjects achieving hSBA titers =LLOQ is = 50% for all strains combined (composite endpoint). |
At 1 month after the 3rd vaccination (Day 151) | |
Primary | Percentages of subjects with hSBA titers = 8 (for strains M14459, NZ98/254, M13520) and =16 (for strain 96217) for each of the test strains | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520 respectively. Each of these strains measures bactericidal activity primarily directed against one of the major bactericidal antigens included in the vaccine.
The sufficiency of the immune response to rMenB+OMV NZ is demonstrated if the adjusted lower confidence limit for the percentage of subjects with hSBA titers = 8 (for strains M14459, NZ98/254, M13520) and =16 (for strain 96217) is =75% for the individual N. meningitidis serogroup B test strains. |
At 1 month after the 4th vaccination (Day 331) | |
Primary | Percentages of subjects with hSBA titers = 8 (for strains M14459, NZ98/254, M13520) and =16 (for strain 96217) for all strains combined (composite endpoint) | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520 respectively. Each of these strains measures bactericidal activity primarily directed against one of the major bactericidal antigens included in the vaccine.
The sufficiency of the immune response to rMenB+OMV NZ is demonstrated if the adjusted lower confidence limit for the percentage of subjects with hSBA titers = 8 (for strains M14459, NZ98/254, M13520) and =16 (for strain 96217) is =65% for all strains combined (composite endpoint). |
At 1 month after the 4th vaccination (Day 331) | |
Primary | Antibody Geometric Mean Concentrations (GMC) using electrochemiluminescence (ECL) assay for each of the 13 PCV13 antigens | Pneumococcal serotype-specific immunoglobin G (IgG) antibodies is measured by validated multiplex assays (ECL1 and ECL2 assays). | At 1 month after the 3rd vaccination (Day 151) | |
Secondary | Antibody GMCs using ECL for each of the 13 PCV13 serotypes | Pneumococcal serotype-specific IgG antibodies is measured by validated multiplex assays (ECL1 and ECL2 assays). | At 1 month after the 4th vaccination (Day 331) | |
Secondary | Percentages of subjects with serum pneumococcal anti-capsular polysaccharide IgG =0.35 µg/mL | Pneumococcal serotype-specific IgG antibodies is measured by validated multiplex assays (ECL1 and ECL2 assays). | At one month after the 3rd vaccination (Day 151) and one month after 4th vaccination (Day 331) | |
Secondary | GMCs against 3 pertussis antigens (pertussis toxin [PT], pertactin [PRN], filamentous hemagglutinin [FHA]) | Antibodies (IgG's) against the pertussis components PT, PRN and FHA having 2.693, 2.187, 2.046 assay cut-off, respectively. The antibodies GMCs are measured by Enzyme linked immunosorbent assay (ELISA) expressed as International Units per millilitre (IU/mL) to evaluate the immunogenicity of acellular B. pertussis containing vaccines. The seropositivity for all 3 pertussis antibodies is based on new respective ELISA cut-off, where subjects with antibody concentration below the cut-off being considered seronegative.
For the analysis of the immune responses to the Routine Infant Vaccine (RIV) antigens, subjects in each of the 2 study groups are randomly assigned to different immunogenicity subsets. The assignment of the immunogenicity subsets are performed by a second randomization, whereas the first randomization is performed at the enrolment to assign subjects to Group MenB+PCV or Group Placebo+PCV. |
At 1 month after the 3rd vaccination (Day 151) | |
Secondary | Percentages of subjects with antibodies concentrations against hepatitis B surface antigen (AntiHBsAg) =10 mIU/mL | Antibodies against the anti-HBs are measured using a ChemiLuminescence ImmunoAssay (CLIA) expressed as milli-international units per millilitre. The cut-off of the test has been set at 6.2 mIU/mL. An antibody concentration =10 mIU/mL defines seroprotection.
For the analysis of the immune responses to the Routine Infant Vaccine (RIV) antigens, subjects in each of the 2 study groups are randomly assigned to different immunogenicity subsets. The assignment of the immunogenicity subsets are performed by a second randomization, whereas the first randomization is performed at the enrolment to assign subjects to Group MenB+PCV or Group Placebo+PCV. |
At 1 month after the 3rd vaccination (Day 151) | |
Secondary | Percentages of subjects with anti-diphtheria and anti-tetanus antibody concentrations =0.1 IU/mL | Specific antibodies against diphtheria toxoid (anti-diphtheria IgG's) and tetanus toxoid (anti-tetanus IgG's) are measured by ELISA. The clinical acceptable cut-off of ELISA was set at 0.1 IU/mL, which provided a conservative estimate of the percentage of subjects deemed to be protected.
For the analysis of the immune responses to the Routine Infant Vaccine (RIV) antigens, subjects in each of the 2 study groups are randomly assigned to different immunogenicity subsets. The assignment of the immunogenicity subsets is performed by a second randomization, whereas the first ran-domization is performed at the enrolment to assign subjects to Group MenB+PCV or Group Placebo+PCV. |
At 1 month after the 3rd vaccination (Day 151) | |
Secondary | Percentages of subjects with anti-polyribosyl-ribitol phosphate (PRP) concentration =0.15 µg/mL and =1 µg/mL | Concentrations of IgG antibodies against the Hib polysaccharide PRP is measured by ELISA. An immunological correlate of protection has been established when anti-PRP concentrations =0.15 µg/mL.
For the analysis of the immune responses to the Routine Infant Vaccine (RIV) antigens, subjects in each of the 2 study groups are randomly assigned to different immunogenicity subsets. The assignment of the immunogenicity subsets are performed by a second randomization, whereas the first randomization is performed at the enrolment to assign subjects to Group MenB+PCV or Group Placebo+PCV. |
At 1 month after the 3rd vaccination (Day 151) | |
Secondary | GMCs for anti-Varicella (VV) antibodies | A suitable ELISA assay for analysis of anti-VV antibody concentrations is yet to be selected and/or developed. For the analysis of the immune responses to the Routine Infant Vaccine (RIV) antigens, subjects in each of the 2 study groups are randomly assigned to different immunogenicity subsets. The assignment of the immunogenicity subsets are performed by a second randomization, whereas the first randomization is performed at the enrolment to assign subjects to Group MenB+PCV or Group Placebo+PCV. | At 1 month after the 4th vaccination (Day 331) | |
Secondary | GMCs for anti-measles antibodies | A suitable ELISA assay for analysis of anti-measles virus antibody concentrations is yet to be selected and/or developed. For the analysis of the immune responses to the Routine Infant Vaccine (RIV) antigens, subjects in each of the 2 study groups are randomly assigned to different immunogenicity subsets. The assignment of the immunogenicity subsets are performed by a second randomization, whereas the first randomization is performed at the enrolment to assign subjects to Group MenB+PCV or Group Placebo+PCV. | At 1 month after the 4th vaccination (Day 331) | |
Secondary | GMCs for anti-mumps antibodies | A suitable ELISA assay for analysis of anti-mumps virus anti-body concentrations is yet to be selected and/or developed.
For the analysis of the immune responses to the Routine Infant Vaccine (RIV) antigens, subjects in each of the 2 study groups are randomly assigned to different immunogenicity subsets. The assignment of the immunogenicity subsets are performed by a second randomization, whereas the first randomization is performed at the enrolment to assign subjects to Group MenB+PCV or Group Placebo+PCV. |
At 1 month after the 4th vaccination (Day 331) | |
Secondary | GMCs for anti-rubella antibodies | A suitable ELISA assay for analysis of anti-rubella virus antibody concentrations is yet to be selected and/or developed.
For the analysis of the immune responses to the Routine Infant Vaccine (RIV) antigens, subjects in each of the 2 study groups are randomly assigned to different immunogenicity subsets. The assignment of the immunogenicity subsets are performed by a second randomization, whereas the first randomization is performed at the enrolment to assign subjects to Group MenB+PCV or Group Placebo+PCV. |
At 1 month after the 4th vaccination (Day 331) | |
Secondary | Percentages of subjects with hSBA antibody titers =5 and =8 and =16 for each of the M14459, 96217, NZ98/254 and M13520 test strains | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520. The number of subjects having antibody titers =5, and =8 and =16 for each of the strains are presented.
Each of these strains measures bactericidal activity primarily directed against one of the major bactericidal antigens included in the vaccine. |
At 1 month after the 3rd vaccination (Day 151) | |
Secondary | Percentages of subjects with hSBA antibody titers =5 and =8 for each of the M14459, 96217, NZ98/254 and M13520 test strains | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520. The number of subjects having antibody titers =5 and =8 for each of the strains are presented.
Each of these strains measures bactericidal activity primarily directed against one of the major bactericidal antigens included in the vaccine. |
At 6 months after the 3rd vaccination (Day 301) | |
Secondary | Percentages of subjects with hSBA antibody titers =5 for each of the M14459, 96217, NZ98/254 and M13520 test strains | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520. The number of subjects having antibody titers =5 for each of the strains are presented.
Each of these strains measures bactericidal activity primarily directed against one of the major bactericidal antigens included in the vaccine. |
At 1 month after the 4th vaccination (Day 331) | |
Secondary | hSBA Geometric Mean Titers for the M14459, 96217, NZ98/254 and M13520 test strains | Serum antibody titers are presented as hSBA GMTs.The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520. The GMTs calculated is described for the four strains. | At 1 month after the 3rd vaccination (Day 151) and 6 months after 3rd vaccination (Day 301) and 1 month after 4th vaccination (Day 331) | |
Secondary | Percentages of subjects with hSBA antibody titers =LLOQ for each of the M14459, 96217, NZ98/254 and M13520 test strains | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520 respectively.
Each of these strains measures bactericidal activity primarily directed against one of the major bactericidal antigens included in the vaccine. |
At 6 months after the 3rd vaccination (Day 301) and 1 month after 4th vaccination (Day 331) | |
Secondary | hSBA Geometric Mean Ratios (GMR) of GMTs over pre 4th vaccination for the M14459, 96217, NZ98/254 and M13520 test strains | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520. The GMR calculated at one month post 4th vaccination versus pre-4th vaccination is described for the four strains. | At 1 month after the 4th vaccination (Day 331) versus pre-4th vaccination (Day 301) | |
Secondary | Percentages of subjects with 4-fold rise in hSBA titers (from pre-4th vaccination) for each of the M14459, 96217, NZ98/254 and M13520 test strains | The 4 selected meningococcal B strains are M14459, 96217, NZ98/254 and M13520 respectively.
A 4-fold rise in hSBA titers is defined as: if pre-vaccination titer < LOD, then a post-vaccination titer = 4 times the LOD or = LLOQ, whichever is greater; if pre-vaccination titer is =LOD but |
At 1 month after the 4th vaccination (Day 331) | |
Secondary | Percentages of subjects with anti-HBs antibody concentrations =100 mIU/mL | Antibodies against the anti-HBs are measured using CLIA expressed as milli-international units per millilitre. The cut-off of the test has been set at 6.2 mIU/mL. An antibody concentration =10 mIU/mL defines seroprotection. | At 1 month after the 3rd vaccination (Day 151) | |
Secondary | GMCs for Anti-HBsAg antibodies | Antibodies against the anti-HBs is measured using CLIA. The cut-off of the test has been set at 6.2 mIU/mL. An antibody concentration =10 mIU/mL defines seroprotection. | At 1 month after the 3rd vaccination (Day 151) | |
Secondary | Percentages of subjects with anti-diphtheria and anti-tetanus antibody concentrations =1 IU/mL | Specific antibodies against diphtheria toxoid (anti-diphtheria IgG's) and tetanus toxoid (anti-tetanus IgG's) are measured by ELISA. The clinical acceptable cut-off of ELISA was set at 0.1 IU/mL, which provided a conservative estimate of the percentage of subjects deemed to be protected. | At 1 month after the 3rd vaccination (Day 151) | |
Secondary | GMCs for anti-diphtheria and anti-tetanus antibodies | Specific antibodies against diphtheria toxoid (anti-diphtheria IgG's) and tetanus toxoid (anti-tetanus IgG's) are measured by ELISA. The clinical acceptable cut-off of ELISA was set at 0.1 IU/mL, which provided a conservative estimate of the percentage of subjects deemed to be protected. | At 1 month after the 3rd vaccination (Day 151) | |
Secondary | Percentages of subjects with anti-polio type 1, 2 and 3 neutralization antibody titers =8 | Antibodies against poliovirus types 1, 2 and 3 are determined by a virus micro neutralization test. Titers are expressed in terms of the reciprocal of the dilution resulting in 50% inhibition (ED50TR). The assay cut-off for anti-polio 1, 2 and 3 is 8 ED50. | At 1 month after the 3rd vaccination (Day 151) | |
Secondary | Percentages of subjects showing seroresponse for anti-Varicella (VV), anti-measles virus, anti-mumps virus and anti-rubella virus antibodies | Seroresponse is defined as post-vaccination anti-VV virus, anti-measles virus, anti-mumps virus and anti-rubella virus antibody concentration = a protective threshold among subjects who were seronegative (antibody concentration |
At 1 month after the 4th vaccination (Day 331) |
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Study to Assess the Immunological Long-term Persistence of Antibodies (Abs) 2 Years After GlaxoSmithKline (GSK) Meningococcal ABCWY Vaccination in the V102_15 (NCT02212457) and Response to a Booster in Adolescents
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Phase 2 | |
Completed |
NCT00674583 -
Comparison of GSK Biologicals' Meningococcal Vaccine (GSK134612) and Licensed MenC-CRM197 Vaccine in Healthy Children
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Phase 3 | |
Completed |
NCT01777308 -
Immunogenicity, Reactogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' MenACWY-TT Vaccine Administered 6 Years Post-MenC Primary Vaccination in Healthy Subjects Who Were 12-18 Months at Primary Vaccination
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Phase 3 | |
Completed |
NCT00464815 -
Non-Inferiority of Meningococcal Vaccine GSK134612 Versus Mencevax™ in 11-17 Year-Old Subjects
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Phase 3 | |
Completed |
NCT00661557 -
Comparison of GSK134612 in Subjects Previously Vaccinated Against Meningococcal Disease Versus Non-vaccinated Subjects
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Phase 2 |