Clinical trials: Enterobacteriaceae Infection
Salmonella Infections, Typhoid Fever
Study of a Single Dose of SP093 Typhoid Vi Polysaccharide Vaccine in Japanese Subjects
This study is designed to assess the immunogenicity and safety of typhoid Vi polysaccharide vaccine in Japanese participants to support registration of the product in Japan.
- Conditions
- Salmonella Infections, Typhoid Fever, Bacterial Infections
- Trial name
- NCT01608815
- Testing
- Typhoid Vi polysaccharide
- Where
- 3 sites in Japan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Urinary Tract Infection
Bacterial Interference for Prevention of Catheter-Associated UTI: Geriatric Pilot Study
This study is a prospective pilot clinical trial investigating the use of urinary catheters coated with benign E. coli in geriatric subjects.
- Trial name
- NCT00554996
- Testing
- E. coli 83972 coated urinary catheter
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- US Department of Veterans Affairs
Typhoid Fever
Extension Study of H01_04TP to Evaluate the Booster Response Induced by Vi-CRM197 in Adults
The purpose of this study is to evaluate the immunogenicity and the kinetics of the anti-Vi antibody response following secondary vaccination with the Novartis Vaccines Institute for Global Health (NVGH) Vi-CRM197 vaccine in…
- Trial name
- NCT01438996
- Testing
- NVGH Vi-CRM197
- Where
- Belgium
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Novartis
Shigellosis
Controlled Human Infection Model Challenge/Rechallenge
The goal of this study is to better understand Shigella immunity. The study will compare the shigellosis rate in participants previously challenged with a different Shigella serotype to the attack rate in participants not…
- Trial name
- NCT04992520
- Testing
- Shigella sonnei 53G, Shigella flexneri 2a 2457T
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- PATH
Escherichia Coli Infection
Safety Study of Chimeric Vaccine to Prevent ETEC Diarrhea
The purpose of the study is to determine if immunization with a chimeric E. coli protein, dsc14CfaE-sCT2/LTB5, is safe and immunogenic when administered by vaccination under the skin.
- Trial name
- NCT01644565
- Testing
- Recombinant fimbrial adhesin dsc14CfaE-sCTA2/LTB5, Recombinant fimbrial adhesin dscCfaE, Modified E. coli heat labile enterotoxin LTR192G
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- U.S. Army Medical Research and Development Command
Urinary Tract Infection
The SCOUT Study: "Short Course Therapy for Urinary Tract Infections in Children"
The SCOUT study is a multi-center, centrally randomized, double-blind, placebo-controlled non-inferiority clinical trial. 746 participants will be enrolled over a 4.5 year period.
- Trial name
- NCT01595529
- Testing
- Cefixime, Cephalexin, Trimethoprim/Sulfamethoxazole
- Where
- United States
- Volunteers
- 717 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Shigellosis
Shigella Flexneri 2a Invaplex 50 Vaccine Dose Finding and Assessment of Protection
The purpose of this study is to select a safe and immunogenic dose of Invaplex 50 intranasal vaccine, and to assess protection of Invaplex 50 intranasal vaccine against diarrhea, dysentery, and fever following challenge with the…
- Trial name
- NCT00485134
- Testing
- 240 µg Shigella flexneri 2a Invaplex 50 vaccine, 480 µg Shigella flexneri 2a Invaplex 50 vaccine, 690 Shigella flexneri 2a Invaplex 50 vaccine
- Where
- 2 sites in United States
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- U.S. Army Medical Research and Development Command
Shigellosis
Phase 2b Challenge Study With the Bioconjugate Vaccine Flexyn2a
In this proof of concept challenge study, the bioconjugate candidate vaccine Flexyn2a will be tested for its ability to induce an immune response that protects healthy adult volunteers from infection with a wild-type Shigella…
- Trial name
- NCT02646371
- Testing
- Flexyn2a
- Where
- United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- LimmaTech Biologics AG
Diarrhoea
A Study on the Immune Response and Safety of a Multicomponent Shigella Vaccine in Preventing Shigellosis in Infants
This study evaluates the immune response and safety of a multicomponent, 2-dose Shigella vaccine in preventing shigellosis in African infants.
- Trial name
- NCT06663436
- Testing
- altSonflex1-2-3 Dose A, altSonflex1-2-3 Dose B, altSonflex1-2-3 Dose C
- Where
- Kenya
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Salmonella Infections
A Study to Evaluate Safety, Reactogenicity, and Immune Response of GVGH iNTS-TCV Vaccine Against Invasive Nontyphoidal Salmonella and Typhoid Fever
The purpose of this study is to assess the safety, reactogenicity, and immune response induced by the GlaxoSmithKline Biologicals SA (GSK) Vaccines Institute for Global Health (GVGH) invasive nontyphoidal Salmonella-typhoid…
- Trial name
- NCT05480800
- Testing
- Invasive nontyphoidal Salmonella-typhoid conjugate vaccine (iNTS-TCV) low dose, Invasive nontyphoidal Salmonella-generalized modules for membrane antigens vaccine (iNTS-GMMA) low dose, Typhoid conjugate vaccine (TCV) low dose
- Where
- 2 sites in Belgium, Malawi
- Volunteers
- 155 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Typhoid Fever
Safety and Immunogenicity of a Novel Conjugate Vaccine Against Salmonella Typhi and Salmonella Paratyphi A in Healthy Adults
A bivalent Typhoid and Paratyphoid A conjugate investigational vaccine aimed to prevent both typhoid and paratyphoid enteric fever in infants and older age groups has been developed by GlaxoSmithKline (GSK).
- Trial name
- NCT05613205
- Testing
- TYP04A Low Dose without Alum investigational vaccine, TYP04B Full Dose without Alum investigational vaccine, TYP03A Low Dose with Alum investigational vaccine
- Where
- Belgium
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Typhoid Fever
Safety and Immunogenicity of Vi-CRM197 Vaccine Against S. Typhi in Children, Older Infants and Infants
This phase 2 trial is aimed to obtain information on the safety and immunogenicity of the Vi-CRM197 in children and infants from various age groups in the Philippines where Typhoid Fever is highly endemic and an efficacious…
- Trial name
- NCT01437267
- Testing
- Vi-CRM197 vaccine, Pneumococcal conjugate vaccine, Vi Polysaccharide (PS) vaccine
- Where
- Philippines
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Novartis
Gastroenteritis Escherichia Coli, Immunisation
A Double-Blind Placebo-Control Dose Escalating Study to Evaluate the Safety and Immunogenicity of dmLT by Oral, Sublingual and Intradermal Vaccination in Adults Residing in an Endemic Area
This is a trial to evaluate the safety and immunogenicity of double mutant heat-labile toxin LTR192G/L211A (dmLT) from Enterotoxigenic Escherichia coli (ETEC) by oral, sublingual, or intradermal vaccination in approximately 135…
- Trial name
- NCT03548064
- Testing
- Recombinant Double Mutant Heat-Labile Toxin LT(R192G/L211A) (dmLT) Oral enterotoxigenic Escherichia coli (ETEC) Vaccine
- Where
- 2 sites in United States, Bangladesh
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Shigellosis, Bacillary Dysentery
Safety and Immunogenicity of Artificial Invaplex (Shigella Flexneri 2a InvaplexAR)
This study is an open-label, dose-escalating Phase 1 investigation of S. flexneri 2a InvaplexAR vaccine. A total of up to 40 subjects will receive one of four S. flexneri 2a InvaplexAR vaccine doses.
- Trial name
- NCT02445963
- Testing
- Shigella flexneri 2a InvaplexAR
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- U.S. Army Medical Research and Development Command
Diarrhea
Dose Escalating Study of a Prototype CS6 Subunit Vaccine With a Modified Heat-labile Enterotoxin From Enterotoxigenic Escherichia Coli (ETEC)
This study will evaluate the safety of a prototype Coli surface antigen 6 (CS6) subunit vaccine (CssBA) alone or in combination with Escherichia coli double mutant heat labile toxin (dmLT) given by intramuscular (IM) injection.
- Trial name
- NCT03404674
- Testing
- CssBA, dmLT
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- PATH
Dysentery, Bacillary
A Study to Evaluate Safety and Immunogenicity of 1 Booster Dose of 1790GAHB Vaccine in Healthy Adults Primed With 3 Doses of 1790GAHB Vaccine in Study H03_01TP Compared to 1 Vaccination of 1790GAHB in Either Subjects Who Received Placebo in the Same Study or naïve Subjects Not Part of H03_01TP Study
GVGH Shigella Sonnei 1970GAHB is a vaccine aimed at preventing the disease caused by Shigella sonnei. A post-hoc analysis of subjects who participated in the parent study showed significantly different responses in subjects with…
- Trial name
- NCT03089879
- Testing
- GVGH Shigella sonnei 1790GAHB vaccine
- Where
- France
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Typhoid Fever
Safety and Immunogenicity of Three Formulations of Vi-CRM197 Vaccine Against S. Typhi in Adults (18-40 Years Old)
This trial is aimed to evaluate the safety and immunogenicity profiles of three formulations of Vi-CRM197 conjugate vaccine against S.
- Trial name
- NCT01193907
- Testing
- NVGH Vi-CRM197 12.5 mcg, NVGH Vi-CRM197 5.0 mcg, NVGH Vi-CRM197 1.25 mcg
- Where
- Belgium
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Novartis
Shigella Infection, Enterotoxigenic Escherichia Coli Infection
Shigella CVD 31000: Study of Responses With Shigella-ETEC Vaccine Strain CVD 1208S-122
The purpose of this study is to determine whether a live, oral, combined Shigella-ETEC vaccine candidate, known as strain CVD 1208S-122, is safe and immunogenic.
- Trial name
- NCT04634513
- Testing
- strain CVD 1208S-122
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Dysentery, Shigella
Safety and Efficacy Study of WRSS1, a Shigella Sonnei Vaccine Candidate
This study is an inpatient trial to determine the safety, immunogenicity and efficacy of the WRSS1 candidate vaccine in healthy Thai adult volunteers.
- Conditions
- Dysentery, Shigella, Diarrhea
- Trial name
- NCT01080716
- Testing
- Part 1/Arm 1 of Study: WRSS1 vaccine, Part 2/Arm 1 of Study: S. sonnei 53G, Part 2/Arm 2 of Study: S. sonnei 53G
- Where
- Thailand
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- U.S. Army Medical Research and Development Command
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)