Clinical trials: Flavivirus Infections
Dengue Virus, Dengue Fever
Efficacy and Safety of Dengue Vaccine in Healthy Children
The primary objective of the study was to assess the efficacy of CYD dengue vaccine after three injections in preventing symptomatic virologically-confirmed dengue (VCD) cases, regardless of the severity, due to any of the four…
- Conditions
- Dengue Virus, Dengue Fever, Dengue Hemorrhagic Fever, Dengue Diseases
- Trial name
- NCT00842530
- Testing
- CYD Dengue Vaccine, Inactivated rabies virus vaccine
- Where
- Thailand
- Volunteers
- 4,002 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Dengue Fever
Immunogenicity and Safety of Tetravalent Dengue Vaccine Candidate (TDV) in Flavivirus-Naïve and Dengue-Immune Adults
The purpose of this study is to assess the neutralizing antibody response against each dengue serotype post-vaccination.
- Trial name
- NCT03746015
- Testing
- TDV
- Where
- 2 sites in United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Takeda
Dengue Virus Infection
Study on Prescribers' Knowledge and Understanding of Safety Messages Following Dengvaxia® Product Information Update
The primary objective of the study is to evaluate the effectiveness of additional risk minimization measures material by assessing the knowledge and understanding of healthcare professionals regarding the key safety messages…
- Trial name
- DNG00042 (NCT04170140)
- Testing
- No intervention
- Where
- France
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Dengue, Dengue Fever
Immune Response to Different Schedules of a Tetravalent Dengue Vaccine Given With or Without Yellow Fever Vaccine
The aim of this study was to evaluate the administration of CYD dengue vaccine serotypes (1, 2, 3 and 4) following a compressed schedule in 3 different populations.
- Conditions
- Dengue, Dengue Fever, Dengue Hemorrhagic Fever, Yellow Fever
- Trial name
- NCT01488890
- Testing
- Live, attenuated, recombinant dengue serotypes 1, 2, 3, and 4 virus, Yellow Fever
- Where
- 7 sites in United States
- Volunteers
- 390 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
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, Dengue Hemorrhagic Fever
A Study of Dengue Vaccine in Healthy Toddlers Aged 12 to 15 Months in the Philippines
The purpose of this study is to investigate the potential for co-administration of the first dose of CYD Dengue vaccine with childhood vaccination.
- Trial name
- NCT01064141
- Testing
- Live, attenuated, recombinant dengue serotypes 1, 2, 3 and 4 virus, OKAVAX®:Attenuated live varicella-zoster virus and AVAXIM® 80U: Hepatitis A virus Vaccines, Live, attenuated, recombinant dengue serotypes 1, 2, 3 and 4 virus and Childhood vaccines
- Where
- Philippines
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Sanofi
Zika Virus
Safety, Tolerability, and Immunogenicity of Zika Vaccine mRNA-1893 in Healthy Flavivirus Seropositive and Seronegative Adults
This clinical study will evaluate the safety, tolerability and reactogenicity of mRNA-1893 Zika vaccines in flavivirus seronegative and flavivirus seropositive participants
- Trial name
- NCT04064905
- Testing
- mRNA-1893
- Where
- 4 sites in United States, Puerto Rico
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- ModernaTX, Inc.
Dengue Virus, Dengue Fever
Study of ChimeriVax™ Tetravalent Dengue Vaccine in Healthy Subjects
This trial evaluated the use of a tetravalent vaccine against dengue. Primary objectives: To describe the humoral immune response to dengue before and after each vaccination with tetravalent dengue vaccine in adults, adolescents…
- Conditions
- Dengue Virus, Dengue Fever, Dengue Hemorrhagic Fever, Dengue Disease
- Trial name
- NCT00875524
- Testing
- CYD dengue vaccine serotypes (1, 2, 3, 4)., Meningococcal Polysaccharide A+C; NaCl; Typhoid Vi polysaccharide
- Where
- Vietnam
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Encephalitis, Tick-Borne
TBE Antibody Persistence and Booster Vaccination Study in Adults (Follow-up to Study 223)
The purpose of this study is to assess: TBE antibody persistence 24, 34, 46 and 58 months (as applicable) after the first booster TBE vaccination with FSME-IMMUN 0.5ml given in Study 223, by means of ELISA (IMMUNOZYM FSME IgG)…
- Trial name
- NCT00503529
- Testing
- Tick-Borne Encephalitis (TBE) Vaccine (Inactivated)
- Where
- 2 sites in Poland
- Volunteers
- 314 people, healthy volunteers welcome
- Sponsor
- Pfizer
Encephalitis, Tick-Borne
TBE Antibody Persistence and Booster Vaccination Study in Children and Adolescents (Follow-up to Study 209)
The purpose of this study is to assess the seropersistence of TBE antibodies in children and adolescents aged 1 to 15 years at the time of their first vaccination, 24 months and 34 months after completion of primary immunization…
- Trial name
- NCT00161967
- Testing
- Tick-Borne Encephalitis (TBE) Vaccine (Inactivated)
- Where
- 3 sites in Austria, Germany and 1 more
- Volunteers
- 375 people, healthy volunteers welcome
- Sponsor
- Pfizer
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, Dengue Vaccines
This Study Will Describe the Burden of DENgue Fever Virus (DENV) Illness Among Household Members Aged 6 Months to 50 Years of Selected Communities in Latin America and Southeast Asia
The purpose of this study is to describe the burden of DENV illness among household members aged 6 months to 50 years of selected communities in Latin America and Southeast Asia.
- Trial name
- NCT02766088
- Testing
- Blood sample collection
- Where
- 2 sites in Mexico, Philippines
- Volunteers
- 1,750 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
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
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
Dengue Fever, Dengue Hemorrhagic Fever
Study of a Tetravalent Dengue Vaccine in Healthy Children Aged 2 to 11 Years in Malaysia
The purpose of this study was to evaluate the safety and immunogenicity of Phase III lots of the CYD dengue vaccine in a pediatric population in Malaysia.
- Trial name
- NCT01254422
- Testing
- Live, attenuated, recombinant dengue serotypes 1, 2, 3, and 4 virus
- Where
- 4 sites in Malaysia
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Sanofi
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
Arbovirus Infections, Zika
Virological and Immunological Determinants of Arbovirus Infection in New Caledonia
Arboviruses, diseases transmitted to humans by the bite of an insect vector, are a major public health problem, particularly in tropical and sub-tropical countries.
- Conditions
- Arbovirus Infections, Zika, Dengue, Chikungunya
- Trial name
- VIRIMA (NCT04619823)
- Testing
- Blood sample collection
- Where
- New Caledonia
- Volunteers
- 250 people
- Sponsor
- Institut Pasteur
Japanese Encephalitis
Long Term Persistence and Effect of a Booster Dose of the Japanese Encephalitis Vaccine IC51
The study investigates the long term persistence the Japanese encephalitis vaccine IC51 and the need of a booster dose
- Trial name
- NCT00595270
- Testing
- IC51
- Volunteers
- 349 people, healthy volunteers welcome
- Sponsor
- Valneva Austria GmbH
Encephalitis, Tick-borne
Study to Investigate the Seropersistence of TBE Virus Antibodies Approx. 3 Years After a Booster Vaccination With FSME-IMMUN 0.25 mL JUNIOR in Children
The objective of this study is to assess the TBE antibody persistence approximately three years after administration of a TBE booster vaccination with FSME-IMMUN 0.25 ml Junior in children who received either 0.25 mL or 0.5 mL…
- Trial name
- NCT00163618
- Testing
- Formaldehyde inactivated, sucrose gradient purified TBE virus antigen, strain Neudörfl
- Where
- 4 sites in Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Pfizer
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