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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT03621670
Other study ID # 205239
Secondary ID 2016-003268-37V7
Status Active, not recruiting
Phase Phase 3
First received
Last updated
Start date July 27, 2018
Est. completion date October 8, 2024

Study information

Verified date February 2024
Source GlaxoSmithKline
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

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).


Description:

This study will be divided into 3 timepoints: - Epoch 1- Primary- From Day 1 to Day 301 - Epoch 2-Secondary-From Day 301 to Day 331 - Epoch 3-Safety follow up -From Day 331 to study end (Day 481 or Day 661). For subjects who have not yet reached the 6-month safety follow-up after the last dose at the time protocol amendment 7 takes effect, Visit 7 will take place on Day 481. In addition to receiving the study vaccines, infants will also receive non-study vaccines such as Diphtheria, tetanus toxoids and acellular pertussis adsorbed vaccine (DTPa, Infanrix) and Haemophilus influenzae type b Conjugate Vaccine (Hib, Hiberix), to ease the disruption to the standard infant vaccine schedule caused by participating in this study.


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Study Design


Related Conditions & MeSH terms


Intervention

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Sponsors (1)

Lead Sponsor Collaborator
GlaxoSmithKline

Countries where clinical trial is conducted

United States,  Puerto Rico, 

Outcome

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 if pre-vaccination titer is =LLOQ, then a post-vaccination titer =4 times the pre-vaccination titer, where pre-vaccination titer=pre-4th dose titers (Day 301).
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 A suitable ELISA assay for analysis of anti-VZV, anti-measles virus, anti-mumps virus and anti-rubella virus antibody concentrations is yet to be selected and/or developed. At 1 month after the 4th vaccination (Day 331)
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