Clinical trials: Gram-negative Bacterial Infection
Escherichia Coli Infections
Enteroaggregative E.Coli (EAEC)
Enteroaggregative E. coli (EAEC) is a bacterium that can cause diarrhea. The purposes of this study are to: determine how much EAEC is needed to cause diarrhea in a healthy person, determine if a genetic factor is important in…
- Trial name
- NCT00362869
- Testing
- Levofloxacin, Enteroaggregative E. coli (EAEC)
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Immunisation, Shigella Infection
Phase 2 Shigella Vaccine and Challenge
This is a trial to evaluate the safety, reactogenicity, immunogenicity and efficacy of a 10^6 cfu dose of an oral live-attenuated S.
- Trial name
- NCT04242264
- Testing
- Shigella sonnei strain 53G, WRSs2
- Where
- 2 sites in United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Meningococcal Infection
Observational, Passive Surveillance Program to Collect Information on Women and Their Offspring Exposed to MenQuadfi® During Pregnancy, in United States (US)
Primary Objective: To assess maternal, obstetrical, pregnancy, and neonatal and infant outcomes among women vaccinated with MenQuadfi® during pregnancy or in the 30 days preceding their Last Menstrual Period (LMP).
- Trial name
- NCT04843111
- Testing
- Meningococcal polysaccharide (serogroups A, C, Y, and W) tetanus toxoid conjugate vaccine
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Brucelloses, Epidemic Hemorrhagic Fever
Real World Study of Classic Infectious Disease
This study aimed to collect and analyze clinical specimens of patients with classic infectious diseases in the real world. To investigate the epidemiological distribution of classic infectious diseases (brucellosis, epidemic…
- Conditions
- Brucelloses, Epidemic Hemorrhagic Fever, Kala-Azar
- Trial name
- NCT04020536
- Testing
- Antibiotics
- Where
- China
- Volunteers
- 10,000 people
- Sponsor
- Huashan Hospital
Diphtheria, Tetanus
Study of the Effect of Pneumococcal Conjugate Vaccine (PCV) on Immunogenicity of Pentacel™
This study is designed to evaluate in a controlled manner the effect of Prevnar® on the immune responses of Pentacel™ Primary Objective - Stage I: To compare the immune responses elicited by an infant series of Pentacel™ when…
- Conditions
- Diphtheria, Tetanus, Haemophilus Infection, Pertussis
- Trial name
- NCT00772928
- Testing
- Pentacel™: HCPDT-IPV//PRP-T Vaccine and Prevnar®
- Where
- 23 sites in United States
- Volunteers
- 1,167 people, healthy volunteers welcome
- Sponsor
- Sanofi
Meningococcal Meningitis
Study to Assess Immunegnicity & Safety of Pentavalent Meningococcal Vaccine (NmCV-5)
This observer-blind, randomized, active controlled trial will be conducted among 2-29 year olds in two sites (Mali and The Gambia).
- Trial name
- NCT03964012
- Testing
- NmCV-5, Menactra
- Where
- 2 sites in Mali, The Gambia
- Volunteers
- 1,800 people, healthy volunteers welcome
- Sponsor
- Serum Institute of India Pvt. Ltd.
Healthy Volunteers, Syphilis Serologic Assay Development
Blood Donation Study for ALPCO Syphilis-T and Syphilis-NT Assay Development
This prospective, single-center study will collect blood from approximately 50 adult volunteers aged 22 years or older. Participants will provide informed consent, complete an eligibility review, and undergo one blood draw of…
- Conditions
- Healthy Volunteers, Syphilis Serologic Assay Development, Blood Specimen Collection, Diagnostic Assay Development
- Trial name
- NCT07830550
- Testing
- ALPCO Syphilis-T, ALPCO Syphilis-NT CLIA Kits
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- American Laboratory Products Company
Tetanus, Diphtheria
Immunogenicity of Adacel® and BOOSTRIX® Vaccines in Adolescents
The aim of this study is to describe immunogenicity of a single booster dose of Adacel vaccine versus Boostrix vaccine among approximately 420 adolescents 11 to <13 years of age.
- Conditions
- Tetanus, Diphtheria, Pertussis, Whooping Cough
- Trial name
- NCT01629589
- Testing
- Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine Adsorbed (Adacel®), Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine, Adsorbed (BOOSTRIX®)
- Where
- 8 sites in United States
- Volunteers
- 423 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Salmonella Infections, Salmonella Typhimurium
Challenge Non-Typhoidal Salmonella (CHANTS) Study
This protocol describes the challenge non-typhoidal Salmonella (CHANTS) study. This is a first-in-human phase 1, double-blinded, randomised, dose-escalation human infection study, conducted in healthy volunteers aged 18 to 50…
- Conditions
- Salmonella Infections, Salmonella Typhimurium, Non-typhoidal Salmonella (NTS), Invasive Non-Typhoidal Salmonella Disease
- Trial name
- CHANTS (NCT05870150)
- Testing
- Salmonella Typhimurium
- Where
- United Kingdom
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Imperial College Healthcare NHS Trust
Meningococcal Disease, Infections, Meningococcal
Immunogenicity, Safety and 1 Year Persistence of Antibodies After Either One or Two Doses of Meningococcal ACWY Conjugate Vaccine in Healthy Children 2 Through 10 Years of Age.
This study was designed to conduct a comparative trial to further evaluate the safety, immunogenicity and antibody persistence of two doses of Novartis MenACWY conjugate vaccine, given 2 months apart, versus one dose of Novartis…
- Trial name
- NCT01682876
- Testing
- MenACWY-CRM
- Where
- 19 sites in United States
- Volunteers
- 715 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Tuberculosis
Study in Healthy Adults to Evaluate Gene Activation After Vaccination With GlaxoSmithKline (GSK) Biologicals' Candidate Tuberculosis (TB) Vaccine GSK 692342
The purpose of this study is to assess the safety and immunogenicity of two doses of the TB vaccine administered according to a 0, 1 month schedule.
- Trial name
- NCT01669096
- Testing
- GSK Biologicals' investigational TB vaccine GSK 692342
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Haemophilus Influenzae Type B, Carrier State
Study to Eliminate Hib Carriage in Rural Alaska Native Villages
Hib disease rates in rural Alaska before introduction of HIb conjugate vaccine were among the highest in the world. Since vaccine introduction, rates have fallen by 90% but the disease has not been eliminated.
- Trial name
- NCT00153556
- Testing
- Hib conjugate vaccine (HbOC, Wyeth Vaccines)
- Where
- United States
- Volunteers
- 3,200 people, healthy volunteers welcome
- Sponsor
- Centers for Disease Control and Prevention
Post-Treatment Lyme Disease Syndrome
Ceftriaxone for Post-Treatment Lyme Disease
Lyme disease is a public health crisis in the US. It is estimated that over 400,000 cases occur every year with 10-20% of those infected going on to develop Post-Treatment Lyme disease Syndrome (PTLDS).
- Trial name
- NCT06785402
- Testing
- Ceftriaxone treatment
- Where
- United States
- Sponsor
- Hackensack Meridian Health
Mycoplasma Pneumoniae Pneumonia
Effect of Probiotics on Mycoplasma Pneumoniae Pneumonia
To evaluate the effectiveness and safety of compound probiotic in shortening the course of illness in children with mycoplasma pneumoniae pneumonia, in comparison with placebo.
- Trial name
- NCT06348095
- Testing
- Probiotic
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Wecare Probiotics Co., Ltd.
Hepatitis B, Diphtheria
Immunogenicity and Safety of DTPa-HBV-IPV/Hib Compared to DTPa-IPV/Hib and HBV Administered Concomitantly
This study will assess the immunogenicity of GlaxoSmithKline (GSK) Biologicals' (formerly SmithKline Beecham Biologicals') DTPa-HBV-IPV/Hib (Infanrix hexa™) vaccine compared to the separate administration of DTPa-HBV-IPV…
- Conditions
- Hepatitis B, Diphtheria, Haemophilus Influenzae Type b (Hib), Poliomyelitis
- Trial name
- NCT01457495
- Testing
- DTPa-HBV-IPV/Hib (Infanrix-hexa™), DTPa-IPV/Hib (Infanrix-IPV/Hib™), HBV (Engerix™-B)
- Volunteers
- 312 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Meningococcal Meningitis
Safety, Immunogenicity and Reactogenicity Trial of Mencevax ACW135 Vaccine
Primary objective: To assess the immunogenicity of the Mencevax ACW135 polysaccharide vaccine at 28 days (+6days) post vaccination in 2-4, 5-14, 15-29 year age groups and compare the immunogenicity between these age groups.
- Trial name
- ETH-TVT (NCT00994695)
- Testing
- Mencevax ACW Vaccine
- Where
- Ethiopia
- Volunteers
- 412 people, healthy volunteers welcome
- Sponsor
- Armauer Hansen Research Institute, Ethiopia
Haemophilus Influenzae Type b, Neisseria Meningitidis
Safety and Immunogenicity Study of Hib-MenCY-TT Vaccine Compared to Licensed Hib Conjugate Vaccine
This study evaluates the immunogenicity and consistency of 3 Hib-MenCY-TT vaccine lots and the safety and immunogenicity of Hib-MenCY-TT vaccine compared to a control group receiving licensed Hib conjugate vaccine, when each are…
- Trial name
- NCT00289783
- Testing
- GSK Biologicals' Haemophilus influenzae type b and Neisseria meningitidis 792014 vaccine, ActHIB, PedvaxHIB
- Where
- 93 sites in United States, Australia and 1 more
- Volunteers
- 4,441 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
HIV Infections, HIV Pre-Exposure Prophylaxis
Vienna HIV Infection Via Sex Study
The main objective of this prospective observational cohort study is to investigate the epidemiology, the risk factors and ultimately the incidence of novel HIV infections among individuals at high risk for acquiring HIV via sex…
- Conditions
- HIV Infections, HIV Pre-Exposure Prophylaxis, Sexually Transmitted Diseases, Gonorrhea
- Trial name
- HIVEX (NCT05326061)
- Where
- Austria
- Volunteers
- 500 people
- Sponsor
- Medical University of Vienna
Healthy Volunteer
Human Challenge Model Refinement With Enterotoxigenic Escherichia Coli Strain B7A
The purpose of this study is to determine the safe and optimal dose and regimen (fasting duration) for administering the challenge ETEC strain B7A, a CS6 expressing ETEC strain.
- Trial name
- NCT02773446
- Testing
- ETEC strain B7A (O148:H28 CS6+ LT+ST+) (Lot 0481) in Buffer
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Diphtheria, Pertussis
Study of PR5I, a Pediatric Combination Vaccine With Enhanced Hepatitis B Component Given Concomitantly With Prevnar®
PR5I, a hexavalent pediatric combination vaccine is being developed to reduce the number of injections during the first 2 years of life while providing a complete course of immunization against infection caused by H.
- Conditions
- Diphtheria, Pertussis, Polio, Hepatitis B
- Trial name
- NCT00362427
- Testing
- Hybrid 5 component DTaP, Vero IPV, Hep B and PRP-OMPC
- Where
- 8 sites in Canada
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.