Clinical trials: Flavivirus Infections
Dengue, Severe Dengue
Dengue Effectiveness Study in the Philippines
This is an observational study that aims to determine the effectiveness of a tetravalent dengue vaccine (CYD-TDV) when given through a community-based immunization program against hospitalized and /or severe virologically…
- Conditions
- Dengue, Severe Dengue, Virologically Confirmed Dengue
- Trial name
- NCT03803618
- Where
- 4 sites in Philippines
- Volunteers
- 2,081 people, healthy volunteers welcome
- Sponsor
- University of the Philippines
Japanese Encephalitis, Measles
Study of Japanese Encephalitis Chimeric Virus Vaccine Given With Measles-Mumps-Rubella Vaccine in Taiwanese Toddlers
This study is designed to compare the immunogenicity of Japanese encephalitis chimeric virus vaccine (JE-CV) and measles-mumps-rubella (MMR)vaccine when given together or when given at separate visits 6 weeks apart in toddlers…
- Conditions
- Japanese Encephalitis, Measles, Mumps, Rubella
- Trial name
- NCT01188343
- Testing
- Japanese encephalitis chimeric virus: Measles, mumps, and rubella live attenuated virus
- Where
- 3 sites in Taiwan
- Volunteers
- 542 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Dengue
Serological Study of Dengue and Characterization of Immune Response in Ten Endemic and Non-Endemic Cities in Mexico
Background: Dengue continues to be a high priority disease for public health in tropical and subtropical countries, where vector control measures have not had the expected impact on transmission.
- Trial name
- NCT04947111
- Testing
- Estimate the distribution of antibodies by serotype by Dengue virus in areas of low and high incidence of dengue
- Where
- Mexico
- Volunteers
- 1,960 people, healthy volunteers welcome
- Sponsor
- Mexican Society of Public Health
Encephalitis, Japanese Encephalitis
A Study of Japanese Encephalitis Chimeric Virus Vaccine Compared With SA14-14-2 Vaccine in Infants and Toddlers
The purpose of this study is to compare a single dose of Japanese encephalitis (JE) chimeric virus vaccine (JE-CV) with a single dose of SA14-14-2 live vaccine as primary vaccination in infants and toddlers.
- Trial name
- NCT01092507
- Testing
- Japanese encephalitis chimeric virus vaccine (JE-CV), Japanese encephalitis live vaccine (SA14-14-2 vaccine) (CD.JEVAX®)
- Where
- 3 sites in Thailand
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Yellow Fever (Healthy Volunteers)
Dose-ranging Study of an Investigational Yellow Fever Candidate Vaccine in Adults
The primary objectives of the study are: To describe the safety profile of each of the 3 dosages of vYF and of YF-VAX® within the 28 days post-vaccination and up to the 6 months (Day 180) post-vaccination visit To describe the…
- Trial name
- VYF01 (NCT04142086)
- Testing
- Yellow fever vaccine (produced on serum-free Vero cells), Dosage 1 vYF vaccine, Yellow fever vaccine (produced on serum-free Vero cells), Dosage 2 vYF vaccine, Yellow fever vaccine (produced on serum-free Vero cells), Dosage 3 vYF vaccine
- Where
- United States
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Yellow Fever, Immunization; Infection
Immunogenicity of Yellow Fever Vaccine 17D in Adults With Prior 17D Vaccination
The goal of this clinical trial is to assess the immune response to the yellow fever vaccine 17D in adults with prior 17D vaccination.
- Trial name
- NCT05859490
- Testing
- 17D
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Dengue, Dengue Fever
Study of a Tetravalent Dengue Vaccine in Healthy Adult Subjects Aged 18 to 45 Years in India
The aim of this study is to evaluate the immunogenicity and safety of the CYD dengue vaccine in India adult subjects. Primary Objectives: To describe the neutralizing antibody response to each dengue virus serotype before the…
- Conditions
- Dengue, Dengue Fever, Dengue Hemorrhagic Fever
- Trial name
- NCT01550289
- Testing
- Live, attenuated, recombinant dengue serotype 1, 2, 3, 4 virus
- Where
- 5 sites in India
- Volunteers
- 189 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Dengue Vaccines
Characterisation of Dengue Vaccine-induced Specific Immunity in Vaccinees With and Without Prior Exposure to Flavivirus Infections or Vaccination
The goal of this observational study is to learn about the immunity induced by the Qdenga® vaccine in vaccinees. Participants that will receive the Dengue vaccine as part of their routine before a travel will be asked to undergo…
- Trial name
- VaQDENV (NCT06776692)
- Testing
- Qdenga
- Where
- Italy
- Volunteers
- 402 people, healthy volunteers welcome
- Sponsor
- IRCCS Sacro Cuore Don Calabria di Negrar
The Tick-borne Encephalitis Virus (TBEV)
First-in-Human Study Testing a New Antibody Treatment for Tick-Borne Encephalitis in Healthy Volunteers.
The goal of this clinical trial is to evaluate the safety, tolerability, and pharmacokinetics of the investigational monoclonal antibody TBE025 when given intravenously to healthy adult volunteers aged 18 to 55.
- Trial name
- SVRI01 (NCT07377253)
- Testing
- Human monoclonal antibody TBE025, intravenous infusion
- Where
- Switzerland
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Giuseppe Pantaleo
Japanese Encephalitis
Boosterability of Live Attenuated Japanese Encephalitis (JE) Vaccine in Children Who Have Previously Received Inactivated JE Vaccine
To facilitate introduction of live attenuated SA 14-14-2 Japanese encephalitis vaccine (LJEV) into the National Immunization Programme of Sri Lanka, we evaluated the safety and immunogenicity of co-administration of LJEV and…
- Trial name
- NCT00463476
- Testing
- Live, Attenuated Japanese Encephalitis SA 14-14-2 Vaccine (LJEV)
- Where
- 3 sites in Sri Lanka
- Volunteers
- 305 people, healthy volunteers welcome
- Sponsor
- PATH
Dengue
Evaluating the Safety and Immune Response to a Dengue Virus Vaccine in Healthy Adults
Dengue viruses can cause dengue fever and other more serious illnesses. The purpose of this study is to evaluate the safety and immune response to a dengue virus vaccine.
- Trial name
- NCT01931176
- Testing
- rDEN2Δ30-7169 vaccine
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Zika Virus Infection
Safety and Immunogenicity of a Novel Vaccine Formulation MV-ZIKA-RSP (V187-001)
This study is designed to investigate, at first, safety and tolerability of a novel liquid vaccine formulation named MV-ZIKA-RSP, in healthy adults aged 18 to 55 years
- Trial name
- MV-ZIKA-RSP (NCT04033068)
- Testing
- Two MV-ZIKA-RSP vaccinations (high dose), Two MV-ZIKA-RSP vaccination (low dose)
- Where
- Austria
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Themis Bioscience GmbH
DENV Without Warning Signs, DENV with Warning Signs
Innovative Multidisciplinary Strategies for Combating Severe Dengue
The goal of this observational study is to identify biomarkers and host factors associated with dengue severity in patients from dengue-endemic regions.
- Conditions
- DENV Without Warning Signs, DENV with Warning Signs, Severe Dengue, Healthy Controls Group - Age and Sex-matched
- Trial name
- COMBAT (NCT06751836)
- Testing
- Infection and no infection
- Where
- 2 sites in Guatemala, India
- Volunteers
- 1,400 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Measles, Rubella
Non-interference Study of MR and Yellow Fever Vaccines Among Bangladeshi Infants Aged 9-12 Months
This study will be conducted among 1530 healthy infants of 9 to 12 months of age residing in the Dakshinkhan and Uttarkhan area which is located in Dhaka North City Corporation (DNCC) to enroll the required number of…
- Conditions
- Measles, Rubella, Yellow Fever
- Trial name
- NCT06815835
- Testing
- Measles-Rubella vaccine (Live) I.P. (Freeze Dried) of M/s. Zydus Lifesciences Ltd, Yellow fever Vaccine (WHO prequalified)
- Where
- Bangladesh
- Volunteers
- 1,530 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
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
Tick Borne Encephalitis (TBE)
An Extension Study to Determine the Persistence of Tick-borne Encephalitis (TBE)-Specific Antibody Responses Among Children and Adolescents Previously Immunized Against TBE
This study will evaluate the durability of antibody responses in children and adolescents after primary immunization with TBE vaccine
- Trial name
- NCT01106482
- Testing
- Serology blood draw
- Where
- 10 sites in Germany
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Novartis Vaccines
Dengue
Evaluating the Safety and Protective Efficacy of a Single Dose of the Live Attenuated Tetravalent Dengue Vaccine TV005 to Protect Against Infection With rDEN3Δ30
This study will evaluate the ability of a single dose of the live attenuated recombinant tetravalent dengue vaccine TetraVax-DV-TV005 (referred to as TV005) to protect against infection with rDEN3Δ30, an attenuated DENV-3, when…
- Trial name
- NCT02873260
- Testing
- TetraVax-DV-TV005, rDEN3Δ30
- Where
- 2 sites in United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Dengue Fever
Safety of and Immune Response to a Dengue Virus Vaccine (rDEN1delta30) in Healthy Adults
Dengue fever, which is caused by dengue viruses, is a major health problem in tropical and subtropical regions of the world. The purpose of this study is to test the safety of and immune response to a new dengue virus vaccine in…
- Trial name
- NCT00089908
- Testing
- rDEN1delta30
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Dengue, Dengue Hemorrhagic Fever
Gut Leakage' in Dengue
Dengue infections are imposing an increasing global burden of disease, particularly in tropical countries such as Bangladesh. The World Health Organization (WHO) has identified Dengue virus as a priority pathogen for the…
- Conditions
- Dengue, Dengue Hemorrhagic Fever, Intestinal Disease, Ascites
- Trial name
- GLiD (NCT07602920)
- Where
- Bangladesh
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Dengue, Dengue Fever
Study of ChimeriVax™ Dengue Tetravalent Vaccine in Adult Subjects
To evaluate effect of previous flavivirus exposure on the safety and immunogenicity of the ChimeriVax™ dengue tetravalent vaccine Primary Objectives: To describe the safety of one injection of ChimeriVax™ dengue tetravalent…
- Conditions
- Dengue, Dengue Fever, Dengue Hemorrhagic Fever, Dengue Virus
- Trial name
- NCT00730288
- Testing
- Chimeric dengue serotype (1, 2, 3, 4)
- Where
- Australia
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Sanofi