Clinical trials: Flavivirus Infections
Dengue Fever, Dengue Haemorrhagic Fever
Association of Host Genetics With Vaccine Efficacy and Study of Immune Correlates of Risk From a Tetravalent Dengue Vaccine
Primary objectives: To assess how dengue vaccine efficacy varies across participant subgroups regarding polymorphism in human leukocyte antigen (HLA) alleles of interest.
- Trial name
- NCT02827162
- Where
- Thailand
- Volunteers
- 334 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Dengue Fever, Dengue Hemorrhagic Fever
Study of a Tetravalent Dengue Vaccine Administered Concomitantly or Sequentially With Adacel® in Healthy Subjects
The aim of the study was to investigate the immunogenicity and safety of CYD dengue vaccine and Tetanus Toxoid (T), Reduced Diphtheria Toxoid (D) and Acellular Pertussis Vaccine Adsorbed (ap) (Tdap) vaccine when both vaccines…
- Trial name
- NCT02992418
- Testing
- CYD Dengue Vaccine, Tdap: Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine adsorbed
- Where
- 4 sites in Philippines
- Volunteers
- 688 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
West Nile Fever
Safety and Immunogenicity of ChimeriVax-WN02 West Nile Vaccine in Healthy Adults
The purpose of this study is to determine whether a single subcutaneous injection of ChimeriVax-WN02 vaccine is well tolerated, safe and induces protective antibodies against West Nile Disease.
- Trial name
- NCT00442169
- Testing
- ChimeriVax-WN02 Low Dose, ChimeriVax-WN02 Medium Dose, ChimeriVax-WN02 High Dose
- Where
- 5 sites in United States
- Volunteers
- 208 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Yellow Fever Immunization
Phase 3 Randomized, Modified Double-blind, Active-controlled Safety Study on vYF in Adults
The purpose of this study is to assess the safety of vYF (investigational vaccine) compared to the safety of YF-VAX (YF licensed vaccine) in adults aged 18 years up to 60 years.
- Trial name
- NCT07002060
- Testing
- Yellow fever vaccine (live), YF vaccine (live)
- Where
- 7 sites in United States
- Volunteers
- 640 people, healthy volunteers welcome
- Sponsor
- Sanofi
Japanese Encephalitis
This is a Study to Assess the Safety and Immunogenicity of Ixiaro® (IC51) in an Elderly Population
This is an open-label, uncontrolled phase 4 study to assess the safety and immunogenicity of the Japanese encephalitis (JE) vaccine Ixiaro® (IC51) in an elderly population.
- Trial name
- NCT01158599
- Testing
- IXIARO®
- Where
- 5 sites in Austria, Germany
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Valneva Austria GmbH
Dengue Fever
A Study to Monitor the Adverse Events of QDENGA Vaccine in Participants in Malaysia
The main aim of this study is to collect the number and type of medical problems (adverse events) after vaccination with QDENGA in Malaysia and to learn more about such medical problems after vaccination.
- Trial name
- PRIME-Q (NCT06388785)
- Testing
- No Intervention
- Where
- 2 sites in Malaysia
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Takeda
Arbovirus Infections, Dengue
Genetic Evolution of Arboviruses in New Caledonia Between 1995 and 2024 and Impact of Wolbachia
Arboviruses, diseases transmitted to humans by the bite of an insect vector, are a major public health problem, especially in tropical and sub-tropical countries.
- Conditions
- Arbovirus Infections, Dengue, Zika, Chikungunya
- Trial name
- DENWOLUTION (NCT04615364)
- Where
- France
- Volunteers
- 600 people
- Sponsor
- Institut Pasteur
Dengue Fever
Surveillance of Suspected Dengue Cases for Access to Care for Subjects Identified as Seronegative or Undetermined Before Receiving CYD Dengue Vaccine in Previous Clinical Studies in Colombia
The primary objective of the study is to identify any suspected dengue case in subjects that received at least one dose of the CYD dengue vaccine who were classified as seronegative or undetermined at baseline (according to…
- Trial name
- CYD00082 (NCT04113330)
- Where
- Colombia
- Volunteers
- 918 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Dengue Fever, Dengue Hemorrhagic Fever
Immunogenicity and Safety of Different Vaccination Schedules of Tetravalent Dengue Vaccine in Healthy Subjects 9 to 50 Years of Age
The aim of the study was to assess the immune response and the safety of different vaccination schedules of CYD dengue vaccine. The primary objectives of the study were: To demonstrate the non-inferiority of the immune response…
- Trial name
- NCT02628444
- Testing
- CYD Dengue Vaccine
- Where
- 6 sites in Colombia, Philippines
- Volunteers
- 1,050 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Viral Infection
Safety and Pharmacokinetics of UV-4B Solution Administered Orally as Multiple Ascending Doses to Healthy Subjects
The purpose of this study is to evaluate the safety and pharmacokinetics of UV-4B oral solution when administered to healthy subjects three times a day (TID) for 7 days.
- Trial name
- NCT02696291
- Testing
- UV-4B 30 mg oral solution, UV-4B 75 mg oral solution, UV-4B 150 mg oral solution
- Where
- 2 sites in United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Emergent BioSolutions
Dengue
A Study of Balapiravir in Patients With Dengue Virus Infection
This randomized, double-blind, multiple-dose, placebo-controlled study will evaluate the safety, tolerability and efficacy of balapiravir in adult male patients with confirmed dengue virus infection whose symptoms began within…
- Trial name
- NCT01096576
- Testing
- balapiravir [RO4588161]
- Where
- Vietnam
- Volunteers
- 64 people
- Sponsor
- Hoffmann-La Roche
Japanese Encephalitis
Open-label, Randomized Study in a Pediatric Population in a JEV (Japanese Encephalitis Virus)-Endemic Country
This is a randomized, open-label Phase 3 study including children aged >9 months to <17 years and 7 months who have been vaccinated with IXIARO in study IC51-323.
- Trial name
- NCT01296360
- Testing
- IXIARO
- Where
- 3 sites in Philippines
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Valneva Austria GmbH
Dengue, Dengue Fever
Long-Term Study of Hospitalized Dengue & Safety in Thai Children Included in a Tetravalent Dengue Vaccine Efficacy Study
The purpose of this study was to conduct a passive surveillance of hospitalized dengue cases in participants who participated in study CYD23 (NCT00842530).
- Conditions
- Dengue, Dengue Fever, Dengue Hemorrhagic Fever
- Trial name
- NCT01983553
- Where
- Thailand
- Volunteers
- 3,203 people
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Zika Virus Disease
Zika Case Definition and Surveillance Study
This prospective, surveillance study will assess the operational Zika virus definition for use in future Zika purified inactivated virus (ZIKV) vaccine efficacy trials in order to identify Zika virus disease (ZVD) cases among the…
- Trial name
- NCT03158233
- Where
- 6 sites in Colombia, Honduras and 2 more
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Dengue
Dengue - Sample Collection Study Pakistan
The objective of this study is to collect well-characterized serum and plasma specimens from confirmed dengue positive and dengue negative subjects to support dengue diagnostic products development.
- Trial name
- NCT07203183
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Abbott Rapid Dx
Dengue Fever
Safety and Immunogenicity of Three Formulations of Takeda's Tetravalent Dengue Vaccine Candidate (TDV)
The purpose of this study is to evaluate the equivalence of the lyophilized formulation of Takeda's Tetravalent Dengue Vaccine Candidate (TDV) compared with the liquid formulation of TDV.
- Trial name
- NCT02193087
- Testing
- TDV Liquid Formulation 1, TDV Liquid Formulation 2, TDV IDT Lyophilized
- Where
- 7 sites in United States
- Volunteers
- 1,002 people, healthy volunteers welcome
- Sponsor
- Takeda
Dengue Fever
Impact of SC vs IM Administration of DENVax (TDV) on Safety and Immunogenicity
This study assessed the safety and immunogenicity of Takeda's Tetravalent Dengue Vaccine Candidate (TDV) previously referred to as DENVax of various dosing schedules via subcutaneous (SC) or intramuscular (IM) administration with…
- Trial name
- NCT01728792
- Testing
- TDV
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Takeda
Japanese Encephalitis, Hepatitis A
Study of ChimeriVax™-Japanese Encephalitis Vaccine in Toddlers in Thailand and the Philippines
This study is to assess the safety and immunogenicity of three consecutive lots of JE-CV in toddlers aged 12-18 months. Primary objective: To demonstrate the bio-equivalence of three lots of JE-CV vaccine manufactured by sanofi…
- Trial name
- NCT00735644
- Testing
- Japanese encephalitis vaccine, Japanese encephalitis vaccine (Acambis), Hepatitis A vaccine
- Where
- 8 sites in Philippines, Thailand
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
West Nile Fever
An Exploratory Study of AVI-4020 in Patients With Possible Acute Neuroinvasive West Nile Virus (WNV) Disease
Although the serious form of West Nile Virus (WNV) disease, referred to as neuroinvasive disease, is rare, it can result in permanent disabilities and occasionally death.
- Trial name
- NCT00091845
- Testing
- AVI-4020 Injection
- Volunteers
- 50 people
- Sponsor
- Sarepta Therapeutics, Inc.
Dengue Fever
A Study of Dengue Tetravalent Vaccine (TDV) in Healthy Participants in Japan
Dengue fever is caused by an infection with the dengue virus. Vaccination with TDV can help prevent dengue fever. The main purpose of this study is to learn about TDV's ability to create an immune response in adults, adolescents…
- Trial name
- NCT06741683
- Testing
- TDV
- Where
- 5 sites in Japan
- Volunteers
- 187 people, healthy volunteers welcome
- Sponsor
- Takeda