Clinical trials: Gram Negative Infections
Helicobacter Infections
Efficacy and Safety of Quadruple Therapy in Eradication of H. Pylori: A Comparison to Triple Therapy
This study aims at evaluating efficacy and safety of quadruple therapy (bismuth, metronidazole, tetracycline and omeprazole: OBMT) vs triple therapy (amoxicillin, clarithromycin and omeprazole: OAC) in H. Pylori eradication.
- Trial name
- NCT00669955
- Testing
- Omeprazole, amoxicillin, clarithromycin, Pylera (Bismuth subcitrate potassium, metronidazole, tetracycline) given in combination with omeprazole
- Where
- United Kingdom
- Volunteers
- 440 people
- Sponsor
- Forest Laboratories
Gonococcal Infection
Experimental Human Infection With Neisseria Gonorrhoeae (LptA Trial)
This is a Phase 1, interventional, non-randomized, experimental infection model study in healthy adult males (N=up to 25) between the ages of 18-35 at study enrollment.
- Trial name
- NCT04870138
- Testing
- Azithromycin, Ceftriaxone, Ciprofloxacin
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Meningococcal Disease
Extension Study Evaluating Antibody Persistence and Safety, Tolerability and Immunogenicity of Booster Doses of Novartis rMenB±OMV NZ Vaccine in Healthy UK Children Who Previously Received One or Four Doses of the Same Vaccine
The proposed study V72P6E1 is an Extension Study of V72P6 (NCT00381615). The objectives of this extension study will be to explore antibody persistence at approximately 40 months of age and to evaluate the safety, tolerability…
- Trial name
- NCT01027351
- Testing
- Meningococcal (group B) multicomponent recombinant adsorbed vaccine., Meningococcal (group B) multicomponent recombinant adsorbed vaccine, without Outer Membrane Vesicles (OMV)
- Where
- United Kingdom
- Volunteers
- 163 people, healthy volunteers welcome
- Sponsor
- Novartis Vaccines
Diphtheria, Tetanus
Study Comparing a DTaP-HB-PRP~T Combined Vaccine With Tritanrix HepB/Hib™, Concomitantly With OPV in Healthy Infants
This is a study to compare the safety and immune response of a pentavalent DTaP-HB-PRP~T combined vaccine with Tritanrix-HepB/Hib™, when both are given concomitantly with OPV at 6, 10, and 14 weeks of age.
- Conditions
- Diphtheria, Tetanus, Pertussis, Hepatitis B
- Trial name
- NCT00348881
- Testing
- DTaP-HB-PRP~T combined vaccine, Tritanrix-HepB/Hib™ vaccine, Oral poliomyelitis vaccine (OPV)
- Where
- 4 sites in Philippines
- Volunteers
- 2,133 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Hepatitis B
Immune Response Post Pry Vaccination of 2 Formulations of DTPw-HBV Vaccine Given With Rotavirus Vaccine to Infants
To compare the two formulations of GSK Biologicals' DTPw-HBV vaccine to concomitant administration of CSL's DTPw vaccine and GSK Biologicals' HBV with respect to the antibody response to the diphtheria antigen after a three-dose…
- Trial name
- NCT00158756
- Testing
- Tritanrix™-HepB, Rotarix™, Zilbrix™
- Where
- 9 sites in Russia
- Volunteers
- 308 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Diarrhoea
A Study on the Safety and Immune Responses to the GVGH altSonflex1-2-3 Vaccine Against Shigellosis in Adults, Children, and Infants
The aim of the current clinical study was to evaluate, for the first time in humans (FTIH), the safety and immunogenicity of the altSonflex1-2-3 candidate vaccine against S. sonnei and S. flexneri serotypes 1b, 2a, and 3a.
- Trial name
- NCT05073003
- Testing
- AltSonflex1-2-3 High Dose, AltSonflex1-2-3 Medium Dose, AltSonflex1-2-3 Low Dose
- Where
- 2 sites in Belgium, Kenya
- Volunteers
- 551 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
Meningococcal Infections
Immunogenicity and Safety Study of a Quadrivalent Meningococcal Conjugate Vaccine When Co-administered With Routine Pediatric Vaccines in Healthy Infants and Toddlers in Europe
Primary objective: This study aimed to demonstrate the non-inferiority of the antibody response against meningococcal serogroups A, C, Y, and W following the administration of a 3-dose series of MenACYW conjugate vaccine compared…
- Trial name
- NCT03547271
- Testing
- MenACYW conjugate vaccine, Meningococcal group A, C, W-135, and Y conjugate vaccine, DTaP-IPV-HB-Hib vaccine
- Where
- 33 sites in Czechia, Finland and 5 more
- Volunteers
- 1,660 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Q Fever, Fatigue Syndrome, Chronic
The Qure Study: Q-fever Fatigue Syndrome - Response to Treatment
The objective of this study is to assess the efficacy of two treatment strategies for fatigue and disabilities in QFS: long term treatment with doxycycline or cognitive behavioral therapy (CBT).
- Conditions
- Q Fever, Fatigue Syndrome, Chronic, Coxiella Infection
- Trial name
- Qure (NCT01318356)
- Testing
- Cognitive behavioral therapy, Doxycycline
- Where
- Netherlands
- Volunteers
- 156 people
- Sponsor
- Radboud University Medical Center
Meningitis, Meningococcal
Study to Assess Potential Immune Interference When GlaxoSmithKline (GSK) Biologicals' MenABCWY Vaccine is Administered to Healthy Subjects Aged 10-25 Years
The purpose of the current study is to evaluate whether there is immune interference when MenABCWY [consisting of MenACWY lyophilized component and rMenB+OMV NZ (Bexsero) liquid component] is administered to healthy adolescents…
- Trial name
- NCT03587207
- Testing
- MenABCWY vaccine, rMenB+OMV NZ (Bexsero) vaccine, MenACWY (Menveo) vaccine
- Where
- Czechia
- Volunteers
- 520 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Sexually Transmitted Diseases
A Trial to Compare Antibacterial vs. Placebo Mouthwash to Reduce the Incidence of Sexually Transmitted Infections (STIs) in Men Who Have Sex With Men (MSM) Taking HIV Pre-Exposure Prophylaxis (PrEP)
The study involves a randomized placebo controlled trial that aims to assess if a mouthwash (Listerine cool mint, LCM) is able to reduce the cumulative incidence of gonorrhoea (Ng), chlamydia (Ct) and syphilis in men who have sex…
- Trial name
- PReGo (NCT03881007)
- Testing
- Mouthwash with LCM
- Where
- Belgium
- Volunteers
- 343 people, healthy volunteers welcome
- Sponsor
- Institute of Tropical Medicine, Belgium
Gonorrhea, Chlamydia
Evaluation of Doxycycline Post-exposure Prophylaxis to Reduce Sexually Transmitted Infections in PrEP Users and HIV-infected Men Who Have Sex With Men
The purpose of this study is to understand if taking an antibiotic called doxycycline by mouth as soon as possible after sexual contact without a condom can reduce the risk of sexually transmitted infections (STIs), including…
- Conditions
- Gonorrhea, Chlamydia, Syphilis
- Trial name
- NCT03980223
- Testing
- Doxycycline Hyclate Delayed-Release 200 mg
- Where
- 3 sites in United States
- Volunteers
- 641 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Acellular Pertussis, Tetanus
Immunogenicity and Safety Study of Booster Dose of GSK Biologicals' IPV (Poliorix™) and DTPa/Hib (Infanrix+Hib™) Vaccine
The purpose of this booster study is to evaluate the immune persistence in healthy Chinese subjects primed in study NCT01086423 with GSK Biologicals' Infanrix-IPV+Hib™ (DTPa-IPV/Hib) vaccine.
- Conditions
- Acellular Pertussis, Tetanus, Diphtheria, Haemophilus Influenzae Type b
- Trial name
- NCT01449812
- Testing
- Infanrix+Hib™, Poliorix™
- Where
- 2 sites in China
- Volunteers
- 831 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Diarrhea
Safety Study of Live Attenuated Oral Shigella (WRSS1) Vaccine in Bangladeshi Adults and Children
This is a research study about an experimental (investigational) oral Shigella sonnei - Walter Reed S. sonnei (WRSS1). WRSS1 is a live vaccine that is being made to prevent disease from Shigella, which causes bloody, watery…
- Trial name
- NCT01813071
- Testing
- WRSS1
- Where
- Bangladesh
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- PATH
Meningitis, Epiglottitis, Pneumonia, Arthritis Caused by Haemophilus Influenzae Type b
Persistency Study After Hib-CRM (Cross-Reacting Material)197 or Hib-TT (Tetanus Toxoid) Vaccines in Chinese Children
Evaluate the persistency of immune response against Haemophilus influenzae type b by assessing anti-PRP antibody levels in children vaccinated with either Hib-CRM197 or Hib-TT booster vaccine approximately 4 years before.
- Trial name
- NCT02139228
- Testing
- Hib-CRM197, Hib-TT
- Where
- China
- Volunteers
- 426 people, healthy volunteers welcome
- Sponsor
- Novartis Vaccines
Post Treatment Lyme Disease Syndrome
Meditation and Stretching for Post Treatment Lyme Disease Syndrome
The investigators wish to conduct a preliminary study to examine the efficacy of meditation among patients with Post Treatment Lyme Syndrome (PTLDS).
- Trial name
- LMS (NCT02344537)
- Testing
- Kundalini Yoga
- Where
- 2 sites in United States
- Volunteers
- 26 people
- Sponsor
- Research Foundation for Mental Hygiene, Inc.
Meningococcal Disease
Assessing the Effectiveness, Immunogenicity and Safety of Meningococcal ABCWY Vaccine Administered to Healthy Adolescents
This is extension of the V102_16 study (NCT02140762). V102_16E1 is designed to assess the effectiveness of a 3-dose vaccination series of MenABCWY, administered according to 0, 2, 6 month schedule, against the same panel of…
- Trial name
- NCT02285777
- Testing
- Meningococcal ABCWY
- Where
- 8 sites in United States
- Volunteers
- 189 people
- Sponsor
- GlaxoSmithKline
Fatigue, Quality of Life
Disulfiram: A Test of Symptom Reduction Among Patients With Previously Treated Lyme Disease
Approximately 10-20% of patients experience ongoing symptoms despite having received standard antibiotic therapy for Lyme disease.
- Trial name
- NCT03891667
- Testing
- Disulfiram
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Research Foundation for Mental Hygiene, Inc.
Lyme Disease
Xenodiagnosis After Antibiotic Treatment for Lyme Disease
Background: The most common tick-borne illness in the United States, Lyme disease is caused by Borrelia burgdorferi bacteria that are transmitted to people by Ixodes scapularis ticks.
- Trial name
- NCT02446626
- Testing
- Skin biopsy, Blood draw, Xenodiagnosis
- Where
- 5 sites in United States
- Volunteers
- 72 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Whole Cell Pertussis, Haemophilus Influenzae Type b
Response to GSK Biologicals' Tritanrix-HepB/Hib-MenAC Vacc (4th Dose) at 15-24m & Mencevax ACWY at 24-30m
The purpose of the study is to evaluate the immunogenicity, safety and reactogenicity of a booster dose of DTPw-HBV/Hib-MenAC compared to DTPw-HBV/Hib given to healthy subjects at 15 to 24 months of age primed with 3 doses of…
- Conditions
- Whole Cell Pertussis, Haemophilus Influenzae Type b, Hepatitis B, Diphtheria
- Trial name
- NCT00136604
- Testing
- Tritanrix-HepB/Hib-MenAC, Mencevax ACWY, Tritanrix-HepB/Hiberix
- Where
- 3 sites in Thailand
- Volunteers
- 617 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline