Clinical trials: Gram Negative Infections
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
Meningococcal Disease
A Study to Evaluate the Safety and Immunogenicity of 4 Doses of MenACWY Conjugate Vaccine, Administered Concomitantly With Routine Vaccines, Among Infants Aged 2 Months
This Phase 3 study is designed to demonstrate the safety and immunogenicity of MenACWY and non-interference of concomitant routine vaccines by MenACWY in an infant age group.
- Trial name
- NCT01000311
- Testing
- MenACWY-CRM, DTaP-IPV/Hib, HBV
- Where
- 46 sites in United States, Australia and 1 more
- Volunteers
- 529 people, healthy volunteers welcome
- Sponsor
- Novartis Vaccines
Tuberculosis
Safety and Immune Responses After Vaccination With Two Investigational RNA-based Vaccines Against Tuberculosis in BCG Vaccinated Volunteers
This is a two-part randomized, placebo-controlled, observer-blind, safety and dose-finding Phase Ib/IIa study. This study will evaluate up to four dose levels of the BNT164 investigational vaccines (BNT164a1 and BNT164b1) to…
- Trial name
- NCT05547464
- Testing
- BNT164a1, BNT164b1
- Where
- 8 sites in Mozambique, South Africa
- Volunteers
- 497 people, healthy volunteers welcome
- Sponsor
- BioNTech SE
Pertussis, Meningococcal Disease
Sources of COmplement in Meningococcal and Pertussis Serum Bactericidal Antibody Assays
This study is designed to allow cord blood sample collection from the cords of babies born in three gestational age windows: ≥37 gestational weeks, 32-36+6 gestational weeks and less than 32 gestational weeks to investigate…
- Conditions
- Pertussis, Meningococcal Disease, Prematurity
- Trial name
- COMPAre (NCT04023929)
- Testing
- Cord blood sampling
- Where
- United Kingdom
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- St George's, University of London
Q Fever
Safety Evaluation of a Q-fever Vaccine, NDBR 105
The purpose of this study is to evaluate the safety of Q Fever vaccine, NDBR 105, and collect data on incidence of occupational Q Fever infection in at risk personnel.
- Trial name
- NCT00584454
- Testing
- Q Fever Vaccine (NDBR 105
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- U.S. Army Medical Research and Development Command
Infections, Meningococcal
N. Meningitidis Carriage Study
This carriage study aims to evaluate the presence of meningococcus in Asian populations (and potential for disease) and explore the extent and serogroup distribution of meningococci circulating in the population.
- Trial name
- NCT01808365
- Testing
- Posterior pharyngeal swab, Data collection
- Where
- Philippines
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Diarrhea
The Protective Immune Response to Attenuated Enterotoxigenic Escherichia Coli Infection
The existing diarrhoeagenic Escherichia coli (E. coli) challenge model is already suitable for dietary interventions in its current form, targeted to impact on the immediate clinical symptoms upon E. coli infection.
- Trial name
- MIRRE (NCT03596827)
- Testing
- E. coli strain E1392-75-2A dose 1E10 CFU, E. coli strain E1392-75-2A dose 1E9 CFU, E. coli strain E1392-75-2A dose 1E8 CFU
- Where
- Netherlands
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- NIZO Food Research
CHLAMYDIA INFECTIONS
Immunopathogenesis of Chlamydia
Sexually transmitted Chlamydia trachomatis infections are a widespread public health concern due to their prevalence and potentially devastating reproductive consequences, including pelvic inflammatory disease, infertility, and…
- Trial name
- NCT00607659
- Testing
- No intervention, only observational
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Arkansas Children's Hospital Research Institute
Whole Cell Pertussis, Tetanus
Safety Study of Tritanrix-HepB/Hib-MenAC, Tritanrix-HepB/Hiberix, and Mencevax ACWY Vaccines in Children
This study will be conducted in two stages. In the diphtheria, tetanus, pertussis (DTP) booster phase, subjects will receive a booster dose of Tritanrix-HepB/Hib-MenAC or Tritanrix-HepB/Hiberix (active control) at 15 to 18 or 24…
- Conditions
- Whole Cell Pertussis, Tetanus, Hepatitis B, Diphtheria
- Trial name
- NCT00228917
- Testing
- Tritanrix-HepB/Hib-MenAC, Tritanrix-HepB/Hiberix, Mencevax-ACWY
- Where
- 2 sites in Philippines, Thailand
- Volunteers
- 798 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Meningococcal Disease
B Cell Response to a Primary and a Booster Course of the Novartis Meningococcal ACWY Conjugate Vaccine in Healthy Infants
This study is aimed to assess whether the frequency of meningococcal serogroup A, C, W-135 and Y specific memory B Cells, measured 1 month after a primary vaccination series of Novartis MenACWY vaccine, predicts the specific…
- Trial name
- NCT00488683
- Testing
- MenACWY-CRM, DTaP-Hib-IPV, PCV
- Where
- United Kingdom
- Volunteers
- 216 people, healthy volunteers welcome
- Sponsor
- Novartis Vaccines
Pertussis
5-year Follow-up After a Single Dose Acellular Pertussis Vaccination
In July 2015-November 2016, a phase II/III randomized, observer-blind,controlled study of two acellular Pertussis vaccines (aP standalone and TdaP combined vaccines) manufactured by BioNet-Asia Co., Ltd.
- Trial name
- NCT04529720
- Testing
- Biological/Vaccine: Pertagen (aP BioNet), Biological/Vaccine: Boostagen (TdaP BioNet), Biological/Vaccine: Adacel
- Where
- Thailand
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Lyme Disease
A Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1982 to Prevent Lyme Disease in Healthy Participants (18 to 70 Years of Age)
This clinical study will evaluate the safety, reactogenicity, and immunogenicity of monovalent mRNA-1982, a messenger ribonucleic acid (mRNA) vaccine to prevent Lyme disease in healthy adults aged 18 to 70 years old.
- Trial name
- NCT07561294
- Testing
- mRNA-1982
- Where
- 8 sites in Canada
- Volunteers
- 366 people, healthy volunteers welcome
- Sponsor
- ModernaTX, Inc.
Cholera
To Evaluate Safety of Oral Cholera Vaccine Hillchol® (BBV131)
A Phase III randomized, modified double-blind, multi-centric, comparative study, to evaluate the non-inferiority of immunogenicity and safety of single strain oral cholera vaccine Hillchol® (BBV131) to the comparator vaccine…
- Trial name
- Hillchol131 (NCT05732766)
- Testing
- Hillchol vaccine
- Where
- 9 sites in India
- Volunteers
- 1,800 people, healthy volunteers welcome
- Sponsor
- Bharat Biotech International Limited
Bacterial Infections, Virus Diseases
A Study of V419 Given Concomitantly With Prevnar 13™ and RotaTeq™ (V419-006)
This study will determine whether three manufacturing lots of V419 (PR5I) induce similar immune responses to all of the antigens contained in V419 when given concomitantly with Prevnar13™ and RotaTeq™.
- Trial name
- NCT01340937
- Testing
- V419, PENTACEL™, Prevnar 13™
- Volunteers
- 2,808 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Haemophilus Influenzae Type b, Neisseria Meningitidis
Primary & Booster Immunogenicity Study of GSK Biologicals' Hib-MenC Versus a Licensed Men-C Vaccine
The purpose of this study is to demonstrate the non-inferiority of the candidate Hib-MenC conjugate vaccine co-administered with Infanrix™-IPV versus a licensed meningococcal serogroup C vaccine co-administered with Pediacel™…
- Trial name
- NCT00258700
- Testing
- Haemophilus influenzae type b- and meningococcal (vaccine)
- Where
- 10 sites in Poland, United Kingdom
- Volunteers
- 478 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Salmonella Infections, Infection of Bloodstream
Reservoir of Invasive Salmonellosis in Children, DRC
Bloodstream infections caused by non-typhoid Salmonella (NTS) are a major killing disease in Sub-Saharan Africa. Despite the high case fatality rate, the main reservoir -human, zoonotic or environmental- for invasive NTS rests…
- Trial name
- NCT03073707
- Testing
- Sample collection
- Where
- Democratic Republic of the Congo
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Institute of Tropical Medicine, Belgium
Cholera, Diarrhea
Immunogenicity of One Versus Two Doses of Killed Oral Cholera Vaccine
The purpose of this study is to compare the safety and immunogenicity of one and two doses of the killed oral cholera vaccine.
- Conditions
- Cholera, Diarrhea, Vibrio Infections
- Trial name
- NCT00419133
- Testing
- Killed bivalent whole cell oral cholera vaccine
- Where
- India
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- International Vaccine Institute
Hepatitis A
Comparative Study in Healthy Adults Aged 18-50 Yrs Administered With Hepatyrix or Havrix+Typherix or Tiphim Vi, to Compare Reactogenicity & Immunogenicity
To evaluate the immunogenicity, reactogenicity and safety of Hepatyrix when compared to the concomitant administration of Typherix and Havrix, and when compared to the administration of monovalent vaccines, Havrix or Typhim Vi.
- Trial name
- NCT00197249
- Testing
- Combined Vi polysaccharide typhoid vaccine and hepatitis A vaccine- Hepatyrix
- Volunteers
- 1,034 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Lyme Borreliosis
A Study to Learn About Different Dosing Schedules of a Lyme Disease Vaccine in Healthy Adults
The purpose of this study is to learn about the safety and effects of the Lyme disease vaccine (called VLA15) when given at different time points.
- Trial name
- NCT07226882
- Testing
- VLA15
- Where
- 6 sites in United States
- Volunteers
- 207 people, healthy volunteers welcome
- Sponsor
- Pfizer
Plague
Immunogenicity and Safety of Subunit Vaccine of Plague Vaccine With Two Immunization Regimens
Plague is a potentially fatal infection in humans caused by the bacterium Yersinia pestis. Pneumonic plague is typically diagnosed in humans with high mortality.
- Trial name
- NCT05330624
- Testing
- plague vaccine(F1+rV)
- Where
- China
- Volunteers
- 720 people, healthy volunteers welcome
- Sponsor
- Jiangsu Province Centers for Disease Control and Prevention
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