Clinical trials: Antibody Response After Vaccination
Hepatitis B
Follow-up Study 16-20 Years After Primary Vaccination Against Hepatitis B of Newborns From HBeAg+ & HBsAg+ Mothers
The purpose of this study is to evaluate the persistence of anti-hepatitis B surface antigen (anti-HBs) antibodies 16, 17, 18, 19 and 20 years after administration of the first dose of the study vaccine.
- Trial name
- NCT00240500
- Testing
- Engerix™-B
- Where
- Thailand
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Infections, Meningococcal
Study to Evaluate the Long-term Antibody Persistence of GlaxoSmithKline (GSK) Biologicals' MenACWY-TT Vaccine (GSK134612) Versus Mencevax ACWY in Healthy Adolescents and Adults and Booster Response to MenACWY-TT Vaccine Administered at 10 Years Post-primary Vaccination
The purpose of this study is to evaluate the long-term antibody persistence from 6, 7, 8, 9 to 10 years post-administration of MenACWY-TT conjugate vaccine as compared to Mencevax ACWY when given to healthy subjects 11 to 55…
- Trial name
- NCT01934140
- Testing
- Meningococcal vaccine GSK134612
- Where
- 2 sites in Philippines
- Volunteers
- 311 people, healthy volunteers welcome
- Sponsor
- Pfizer
Infections, Meningococcal
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
The purpose of this study is to evaluate the immunogenicity, reactogenicity and safety of a booster dose of GSK Biologicals' MenACWY-TT vaccine administered at 6 years post-primary vaccination with either GSK Biologicals'…
- Trial name
- NCT01777308
- Testing
- Meningococcal conjugate vaccine GSK134612
- Where
- 8 sites in Australia
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Hepatitis B Vaccine
Long-term Persistence of Immunity Against Hepatitis B in 7-8 Years Old Children After Hepatitis B Vaccination.
The purpose of this study is to assess the persistence of immunity to hepatitis B in children who received three consecutive doses of HBV vaccine (EngerixTM-B) in infancy.
- Trial name
- NCT00519649
- Testing
- Engerix™-B Kinder
- Where
- 35 sites in Germany
- Volunteers
- 301 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Influenza, COVID-19
Comparative Immunogenicity of Concomitant vs Sequential mRNA COVID-19 and Influenza Vaccinations
This is a prospective, randomized randomized immunologic study of response to influenza and SARS-CoV-2 vaccination across four of the US Influenza Vaccine Effectiveness (Flu VE) Network study sites.
- Trial name
- NCT06020118
- Testing
- Simultaneous Vaccination (Influenza Vaccine and mRNA COVID booster), Sequential Vaccination (Influenza vaccine then mRNA COVID booster), Sequential Vaccination (mRNA COVID booster then Influenza vaccine)
- Where
- 8 sites in United States
- Volunteers
- 455 people, healthy volunteers welcome
- Sponsor
- Duke University
Meningitis, Meningococcemia
Antibody Responses Following Meningococcal Tetravalent (A, C, Y, and W-135) Conjugate Vaccination in Healthy Adults
This study was designed to generate data for the assessment of Meningococcal Polysaccharide Diphtheria Toxoid Conjugate vaccine (Menactra®) when given to adults aged 18 to 55 years.
- Trial name
- NCT00772629
- Testing
- Meningococcal Polysaccharide Diphtheria Toxoid Conjugate
- Where
- 2 sites in United Kingdom
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Infections, Meningococcal
The Long-term Antibody Persistence of MenACWY-TT Vaccine (PF-06866681) Versus Meningitec(Registered) or Mencevax(Registered) ACWY in Healthy Adolescents and Adults and a Booster Dose of MenACWY-TT Administered 10 Years Post Primary Vaccination
The purpose of this study is to evaluate the long-term antibody persistence 6, 7, 8, 9 and 10 years after receiving a primary vaccination of meningococcal conjugate vaccine MenACWY-TT versus Meningitec™ or Mencevax™ ACWY, and the…
- Trial name
- NCT01962207
- Testing
- Meningococcal vaccine GSK134612
- Where
- 9 sites in Finland
- Volunteers
- 243 people, healthy volunteers welcome
- Sponsor
- Pfizer
Infections, Meningococcal
The Long-term Antibody Persistence of GSK Biologicals' Meningococcal Vaccine GSK134612 in Healthy Adolescents/Adults
In this study, the concentration of antibody to the vaccine one year, three and five years after vaccination in subjects who were vaccinated with GSK Biologicals' meningococcal vaccine GSK134612 and Menactra® in a previous study…
- Trial name
- NCT00715910
- Testing
- Nimenrix, Blood sampling
- Where
- 10 sites in United States
- Volunteers
- 818 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Hepatitis B
Persistence of Immunity Against Hepatitis B in 12-13 Year Old Adolescents After Infant Hepatitis B Vaccination
This phase IV open study will evaluate the persistence of humoral antibodies against hepatitis B as well as the immune response to a challenge dose of hepatitis B vaccine in adolescents aged 12-13 years, who received three…
- Trial name
- NCT00984139
- Testing
- Engerix™-B Kinder
- Where
- 24 sites in Germany
- Volunteers
- 306 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Meningococcal Disease
One Year Antibody Persistence After a Fourth Dose Boost or Two Catch-Up Doses of Novartis Meningococcal B Recombinant Vaccine Administered Starting From 12 Months of Age and Response to a Third Dose Boost or Two Catch-Up Doses Starting at 24 Months of Age
One year antibody persistence after the fourth dose boost or two catch-up doses administered starting from 12 months of age and to evaluate the response to a a third dose boost or two catch-up dose starting at 24 months of age.
- Trial name
- NCT01139021
- Testing
- rMenB+OMV NZ
- Where
- 19 sites in Czechia, Finland
- Volunteers
- 508 people, healthy volunteers welcome
- Sponsor
- Novartis Vaccines
Infections, Meningococcal
Evaluation of Antibody Persistence Following 4 MenACWY Vaccinations
This is Phase IV, Open label, Multicenter study. Subject's parents and/or legal guardian will be provided information about the trial. If interested and if eligible, they will then be asked to provide signed informed consent.
- Trial name
- NCT02446691
- Testing
- MenACWY
- Where
- 6 sites in South Korea
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Meningococcal Disease
Persistence of Immunogenicity of MenACWY Conjugate Vaccine 5 Years After Childhood Vaccination, and Immune Response to a Booster Dose
In this extension study, V59P20E1, the sponsor was planning to assess 5-year antibody persistence in subjects who received one or two doses of MenACWY conjugate vaccine at 2 to 10 years of age, and to evaluate response to a…
- Trial name
- NCT01823536
- Testing
- Meningococcal (groups A, C, W, and Y) oligosaccharide diphtheria CRM-197 conjugate vaccine
- Where
- 16 sites in United States, Ukraine
- Volunteers
- 465 people, healthy volunteers welcome
- Sponsor
- Novartis Vaccines
Meningococcal Disease, Infections, Meningococcal
A Study to Evaluate 4-year Antibody Persistence and Booster Response Following MenABCWY Vaccination in Healthy Adolescents and Young Adults Who Previously Participated in Studies V102_02 (NCT01210885) and V102_02E1 (NCT01367158)
The purpose of this study is to evaluate persistence of bactericidal antibodies for N. meningitidis serogroups A, C, W, and Y and serogroup B test strains approximately 4 years after primary vaccination in subjects who previously…
- Trial name
- NCT02451514
- Testing
- MenABCWY+OMV vaccine
- Where
- 7 sites in Chile, Colombia and 1 more
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
13-valent Pneumococcal Vaccine, Immunization
Study Evaluating Antibody Response Of 13-Valent Pneumococcal Conjugate Vaccine (13vPnC) 24 Months After Toddler Dose.
This is an open-label study (a study in which the doctors and participants know which drug or vaccine is being administered) in children who previously received a 4-dose series of a pneumococcal conjugate vaccine (PnC) during…
- Conditions
- 13-valent Pneumococcal Vaccine, Immunization, Safety, Antibody Response
- Trial name
- NCT01026038
- Testing
- 13-valent pneumococcal conjugate vaccine
- Where
- 25 sites in France
- Volunteers
- 263 people, healthy volunteers welcome
- Sponsor
- Pfizer
Encephalitis, Tick-Borne
Tick-Borne Encephalitis (TBE) Seropersistence After First Booster and Response to a Second Booster in Children, Adolescents and Young Adults (Follow-Up to Study 700401)
The main purpose of this study is to assess the seropersistence of TBE virus antibodies in children, adolescents and young adults who received the first booster vaccination with either FSME-IMMUN 0.25 mL Junior or FSME-IMMUN 0.5…
- Trial name
- NCT00894686
- Testing
- FSME-IMMUN 0.25 mL Junior (1.2 µg TBE antigen/0.25 mL) or FSME-IMMUN 0.5 mL (2.4µg TBE antigen/0.5 mL)
- Where
- 4 sites in Austria, Germany and 1 more
- Volunteers
- 179 people, healthy volunteers welcome
- Sponsor
- Pfizer
Virus Diseases
The Aim of This Study is to Investigate the Persistence of Antibody Response in Adults up to 15 Years After One Booster Dose of GlaxoSmithKline (GSK) Biologicals' Encepur Adults Vaccine
The purpose of this study is to continue the evaluation of antibody persistence through 11 to 15 years after first booster with Tick-Borne Encephalitis (TBE) vaccine.
- Trial name
- NCT03294135
- Testing
- Encepur Adults
- Where
- Czechia
- Volunteers
- 194 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Meningitis, Meningococcal Meningitis
Antibody Persistence and Response to Re-vaccination With Either Menactra® or Menomune® 3 Years After Initial Vaccination
The purpose of this trial is to describe antibody persistence and response to re-vaccination with either Menactra® or Menomune® vaccine approximately three years following initial vaccination in adults who participated in trial…
- Conditions
- Meningitis, Meningococcal Meningitis, Meningococcal Infections
- Trial name
- NCT01239043
- Testing
- Menomune®: A, C, Y, W 135 Meningococcal Polysaccharide, Menactra®: Meningococcal (A, C, Y and W 135) Polysaccharide Diphtheria Toxoid Conjugate
- Where
- 6 sites in United States
- Volunteers
- 139 people, healthy volunteers welcome
- Sponsor
- Sanofi
Kidney Transplant Recipients, Liver Transplant Recipients
COVID Protection After Transplant-Immunosuppression Reduction
This study will enroll individuals who have: Completed primary series of mRNA COVID-19 vaccine, and An antibody response ≤ 2500 U/mL measured at least 30 days after the last dose of vaccine.
- Trial name
- CPAT-ISR (NCT05077254)
- Testing
- Pfizer-BioNTech COVID-19 Vaccine 2023-2024, Moderna COVID-19 Vaccine 2023-2024, SOC IS Regimen
- Where
- 15 sites in United States
- Volunteers
- 48 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Healthy Aging
Beta-glucan and Immune Response to Influenza Vaccine
This trial in healthy adults will determine the effects of beta-glucan, a dietary fiber supplement isolated from baker's yeast, on immune response to the influenza vaccine.
- Trial name
- M-Unity (NCT05074303)
- Testing
- Influenza Vaccine, Beta-glucan
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- University of Florida
Infections, Meningococcal
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
The purpose of this study is to compare the persistence of 2 or 3 doses of the GSK MenABCWY vaccine, or 2 doses of GSK rMenB+OMV vaccine (Bexsero) administered to healthy adolescents at approximately 24 months after the last…
- Trial name
- NCT02946385
- Testing
- Meningococcal ABCWY Vaccine, Meningococcal B Recombinant vaccine
- Where
- 17 sites in Finland, Poland
- Volunteers
- 604 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline