DenguePhase 2NCT00993447
Immunogenicity and Safety of Sanofi Pasteur's CYD Dengue Vaccine in Healthy Children and Adolescents in Latin America
A Phase 2 study testing CYD Dengue Vaccine and Tetanus Toxoid Reduced Diphtheria Toxoid Acellular Pertussis in people with Dengue and Dengue Hemorrhagic Fever, run by Sanofi Pasteur, a Sanofi Company at 4 sites in 4 countries.
Trial summary
Primary objectives: To describe the immune response to each dengue serotype before and after each vaccination with sanofi pasteur's CYD dengue vaccine. To evaluate the safety of each vaccination with sanofi pasteur's CYD dengue vaccine. Read more about this study
- Who is it for?
- Ages 9 to 16 yearsHealthy volunteers can take part
- Conditions the study is for
- Dengue, Dengue Hemorrhagic Fever, Dengue Virus
- What is being tested?
- CYD Dengue Vaccine and Tetanus Toxoid Reduced Diphtheria Toxoid Acellular Pertussis
- Type of treatment
- Vaccines, Injection or infusion
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 600 participants
- Where
- 4 sitesin 4 countries
- Study dates
- Oct 2009to Mar 2012
- Phase
- Phase 2
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 9 to 16 years
- All sexes
- Healthy volunteers accepted
- Child
Who may be able to join
- Aged 9 to 16 years on the day of inclusion
- Subject in good health, based on medical history and physical examination
- Provision of assent form/informed consent form signed by the subject and by the parent(s) or another legally acceptable representative
- Subject and parent(s)/legally acceptable representative(s) able to attend all scheduled visits and to comply with all trial procedures
- For a female subject of child-bearing potential, avoid becoming pregnant (use of an effective method of contraception or abstinence) for at least 4 weeks prior to first vaccination until at least 4 weeks after the last vaccination.
Who cannot join
- Personal or family history of thymic pathology (thymoma), thymectomy, or myasthenia
- For a female subject of child-bearing potential, known pregnancy or positive urine pregnancy test at Visit 1
- Participation in another clinical trial investigating a vaccine, drug, medical device, or a medical procedure in the 4 weeks preceding the first trial vaccination
- Breast-feeding woman
- Planned participation in another clinical trial during the present trial period
- Known or suspected congenital or acquired immunodeficiency, immunosuppressive therapy such as anti-cancer chemotherapy or radiation therapy within the preceding 6 months, or long-term systemic corticosteroids therapy
Show all 16Show fewer
- Known systemic hypersensitivity to any of the components of any of the trial vaccines or history of a life-threatening reaction to any of the trial vaccines or to a vaccine containing any of the same substances
- Chronic illness at a stage that could interfere with trial conduct or completion, in the opinion of the Investigator
- Current alcohol abuse or drug addiction that may interfere with the subject's ability to comply with trial procedures
- Receipt of blood or blood-derived products in the preceding 3 months that might interfere with the assessment of immune response
- Receipt of any vaccine in the 4 weeks preceding the first trial vaccination
- Planned receipt of any vaccine in the 4 weeks following the first trial vaccination
- Subject deprived of freedom by administrative or court order, or in an emergency setting, or hospitalized without his/her consent
- Febrile illness (temperature ≥38.0°C) or moderate or severe acute illness/infection on the day of vaccination, according to investigator judgment
- Thrombocytopenia, bleeding disorder or anticoagulants in the 3 weeks preceding inclusion contraindicating intramuscular vaccination
- Severe diseases with or without fever, convulsions or neurological abnormalities without treatment or in progression.
Trial locations and contacts
4 sites in 4 countries.
4 sites in 4 countries
About this study
Official title: Immunogenicity and Safety of Sanofi Pasteur's CYD Dengue Vaccine in Healthy Children and Adolescents Aged 9 to 16 Years in Latin America
Primary objectives:
- To describe the immune response to each dengue serotype before and after each vaccination with sanofi pasteur's CYD dengue vaccine.
- To evaluate the safety of each vaccination with sanofi pasteur's CYD dengue vaccine.
Read the detailed description
The antibody levels against each serotype will be measured before and after each vaccination. The subjects will be followed for 28 days after each vaccination for solicited and unsolicited safety parameters. Serious adverse events (SAEs) will be collected throughout the study.
- Conditions
- Dengue, Dengue Hemorrhagic Fever, Dengue Virus, Dengue Fever
- Being tested
- CYD Dengue Vaccine, Tetanus Toxoid Reduced Diphtheria Toxoid Acellular Pertussis
- Keywords
- Dengue, Dengue hemorrhagic fever, Dengue virus, Dengue fever, Sanofi pasteur's CYD Dengue vaccine
- Medical subject headings
- Dengue, Severe Dengue
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
CYD Dengue VaccineBiological
Also called Dengvaxia®
0.5 mL, Subcutaneous at Day 0, 6 and 12 months
Tetanus Toxoid Reduced Diphtheria Toxoid Acellular PertussisBiological
Also called ADACEL®, NaCl
NaCl: 0.5 mL, Intramuscular at Day 0 and 6 months; Adacel®: 0.5 mL, Intramuscular at 12 months
| Study group | Role | What they receive |
|---|---|---|
| CYD Dengue Vaccine Group | Experimental | Sanofi pasteur's CYD Dengue vaccine group (Dengvaxia®) Receives: Biological: CYD Dengue Vaccine |
| Control Vaccine Group | Sham comparator | Not described Receives: Biological: Tetanus Toxoid Reduced Diphtheria Toxoid Acellular Pertussis |
What is being measured
The primary outcome is the main question the study is designed to answer.
Percentage of Participants With Antibody Titers of ≥10 1/Dil Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Measured: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Percentage of Flavi Virus-Immune Participants at Baseline With Antibody Titers ≥10 1/Dil Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavi virus (FV) immune participants at baseline are defined as those participants with ≥ 10 1/dil for at least one serotype with the parental dengue virus strain or for Yellow Fever titer.
Measured: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Percentage of Flavi Virus-Naive Participants at Baseline With Antibody Titers ≥10 1/Dil Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavi virus (FV) naïve participants are defined as those participants with < 10 1/dil for all serotypes with parental dengue virus strains and for Yellow Fever titer.
Measured: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Percentage of Participants With Antibody Titers of ≥10 1/Dil Against At Least 1, 2, 3, or 4 Serotypes With Parental Dengue Virus Strain Before and Following Each Injection With Either Sanofi Pasteur's CYD Dengue Vaccine or A Placebo Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Measured: Day 0 (before each vaccination) and Day 28 post each vaccination
Percentage of Flavi Virus-Immune Participants With Antibody Titers of ≥10 1/Dil Against At Least 1, 2, 3, or 4 Serotypes With Parental Dengue Virus Strain Pre and Post-Injection With Either Sanofi Pasteur's CYD Dengue Vaccine or A Placebo Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Measured: Day 0 (before each vaccination) and Day 28 post each vaccination
Percentage of Flavi Virus-Naive Participants With Antibody Titers of ≥10 1/Dil Against At Least 1, 2, 3, or 4 Serotypes With Parental Dengue Virus Strain Pre and Post-Injection With Either Sanofi Pasteur's CYD Dengue Vaccine or A Placebo Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Measured: Day 0 (before each vaccination) and Day 28 post each vaccination
Summary of Geometric Mean Titers (GMTs) of Antibodies Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Measured: Day 0 (before each vaccination) and Day 28 post-each vaccination
Summary of Geometric Mean Titers Ratios of Antibodies Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Geometric mean titer ratio is the geometric mean of individual post vaccination/pre vaccination titer of antibodies to each parental dengue virus serotype strain.
Measured: Day 0 (before each vaccination) and Day 28 post each vaccination
Summary of Geometric Mean Titers (GMTs) of Antibodies in Flavivirus-Immune Participants at Baseline Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavivirus-immune subjects at baseline are defined as those participants with ≥ 10 1/dil for at least one serotype with the parental dengue virus strain or for Yellow Fever titer.
Measured: Day 0 (before each vaccination) and Day 28 post each vaccination
Summary of Geometric Mean Titers Ratios of Antibodies in Flavivirus-Immune Participants at Baseline Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavivirus-immune subjects at baseline are defined as those participants with ≥ 10 1/dil for at least one serotype with the parental dengue virus strain or for Yellow Fever titer. Geometric mean titer ratio is the geometric mean of individual post vaccination/pre-vaccination titer of antibodies to each parental dengue virus serotype strain.
Measured: Day 0 (pre each vaccination) and Day 28 post each vaccination
Summary of Geometric Mean Titers (GMTs) of Antibodies in Flavivirus-Naïve Participants at Baseline Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavivirus-naïve participants are defined as those participants with < 10 1/dilutions for all serotypes with parental dengue virus strains and for Yellow Fever titer.
Measured: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Summary of Geometric Mean Titer Ratios of Antibodies in Flavivirus-Naive Participants at Baseline Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Flavivirus-naïve participants are defined as those participants with < 10 1/dil for all serotypes with parental dengue virus strains and for Yellow Fever titer. Geometric mean titer ratio is the geometric mean of individual post-vaccination/pre-vaccination titer of antibodies to each parental dengue virus serotype strain.
Measured: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Number of Participants Reporting a Solicited Injection-site or Systemic Reactions Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Solicited Injection-site reactions: Pain, Erythema, and Swelling. Solicited Systemic Reactions: Fever, (Temperature) Headache, Malaise, Myalgia, and Asthenia. Grade 3 Solicited Injection-Site Pain, Incapacitating, unable to perform usual activities; Erythema and Swelling, ≥ 5 cm. Grade 3 Solicited Systemic Reactions: Fever, ≥ 39˚C; Headache, Malaise, Myalgia, and Asthenia, Significant; prevents daily activity.
Measured: Day 0 up to Day 14 post-each vaccination
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Oct 2009 (estimated)
- Study startOct 2009
- Primary completionSep 2011
- Study completionMar 2012
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (2)Papers the sponsor has linked to this study.
- Other trials for DengueStudies of the same condition, open and under way.
- More trials run by Sanofi Pasteur, a Sanofi CompanyThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Outcomes assessor
- Enrolment
- 600 participants (actual)
Sponsor and investigators
- Lead sponsor
- Sanofi Pasteur, a Sanofi Company
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Medical Director, Study director, Sanofi Pasteur Inc.
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00993447
- Sponsor's protocol ID
- CYD13
- Other IDs
- UTN: U1111-1111-5511
- Status last verified
- Mar 2022
- First submitted
- 9 Oct 2009
- Last updated
- 24 Mar 2022
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
- Individual data sharing
- Yes: Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org
Publications
Villar LA, Rivera-Medina DM, Arredondo-Garcia JL, Boaz M, Starr-Spires L, Thakur M, Zambrano B, Miranda MC, Rivas E, Dayan GH. Safety and immunogenicity of a recombinant tetravalent dengue vaccine in 9-16 year olds: a randomized, controlled, phase II trial in Latin America. Pediatr Infect Dis J. 2013 Oct;32(10):1102-9. doi: 10.1097/INF.0b013e31829b8022.
PubMed 24067553Coronel D, Garcia-Rivera EJ, Rivera DM, Arredondo-Garcia JL, Dietze R, Perroud AP, Cortes M, Bonaparte M, Wang H, Pagnon A, Jantet-Blaudez F, Penalosa LAR, Dayan G, Zambrano B, DiazGranados CA, Noriega F. Immune Response Persistence and Safety of a Booster Dose of the Tetravalent Dengue Vaccine in Adolescents and Adults Who Previously Completed the 3-dose Schedule 4-5 Years Earlier in Latin America: A Randomized Placebo-controlled Trial. Pediatr Infect Dis J. 2020 Oct;39(10):961-968. doi: 10.1097/INF.0000000000002830.
PubMed 32932330
Study at a glance
From the registry record, last updated by the sponsor on 24 Mar 2022. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Immunogenicity and Safety of Sanofi Pasteur's CYD Dengue Vaccine in Healthy Children and Adolescents Aged 9 to 16 Years in Latin America
- ClinicalTrials.gov ID
- NCT00993447
- Acronym / sponsor ID
- CYD13
- Conditions
- Dengue, Dengue Hemorrhagic Fever, Dengue Virus, Dengue Fever
- Keywords
- Dengue, Dengue hemorrhagic fever, Dengue virus, Dengue fever, Sanofi pasteur's CYD Dengue vaccine
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 600 participants (actual)
- Lead sponsor
- Sanofi Pasteur, a Sanofi CompanyIndustry (pharma, biotech, devices)
- Study start
- Oct 2009
- Primary completion
- Sep 2011 (actual)
- Study completion
- Mar 2012 (actual)
- First posted
- 12 Oct 2009 (estimated)
- Results
- Posted 29 Nov 2016
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Primary objectives:
- To describe the immune response to each dengue serotype before and after each vaccination with sanofi pasteur's CYD dengue vaccine.
- To evaluate the safety of each vaccination with sanofi pasteur's CYD dengue vaccine.
Detailed description
The antibody levels against each serotype will be measured before and after each vaccination. The subjects will be followed for 28 days after each vaccination for solicited and unsolicited safety parameters. Serious adverse events (SAEs) will be collected throughout the study.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| CYD Dengue Vaccine Group | Experimental | Biological: CYD Dengue VaccineSanofi pasteur's CYD Dengue vaccine group (Dengvaxia®) |
| Control Vaccine Group | Sham comparator | Biological: Tetanus Toxoid Reduced Diphtheria Toxoid Acellular Pertussis |
Who may qualify
- Ages
- 9 to 16 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child
Key inclusion criteria (5 listed)
- Aged 9 to 16 years on the day of inclusion
- Subject in good health, based on medical history and physical examination
- Provision of assent form/informed consent form signed by the subject and by the parent(s) or another legally acceptable representative
- Subject and parent(s)/legally acceptable representative(s) able to attend all scheduled visits and to comply with all trial procedures
- For a female subject of child-bearing potential, avoid becoming pregnant (use of an effective method of contraception or abstinence) for at least 4 weeks prior to first vaccination until at least 4 weeks after the last vaccination.
Key exclusion criteria (16 listed)
- Personal or family history of thymic pathology (thymoma), thymectomy, or myasthenia
- For a female subject of child-bearing potential, known pregnancy or positive urine pregnancy test at Visit 1
- Participation in another clinical trial investigating a vaccine, drug, medical device, or a medical procedure in the 4 weeks preceding the first trial vaccination
- Breast-feeding woman
- Planned participation in another clinical trial during the present trial period
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| CYD Dengue VaccineAlso: Dengvaxia®0.5 mL, Subcutaneous at Day 0, 6 and 12 months | Biological | CYD Dengue Vaccine Group |
| Tetanus Toxoid Reduced Diphtheria Toxoid Acellular PertussisAlso: ADACEL®, NaClNaCl: 0.5 mL, Intramuscular at Day 0 and 6 months; Adacel®: 0.5 mL, Intramuscular at 12 months | Biological | Control Vaccine Group |
Primary outcome
Percentage of Participants With Antibody Titers of ≥10 1/Dil Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Percentage of Flavi Virus-Immune Participants at Baseline With Antibody Titers ≥10 1/Dil Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavi virus (FV) immune participants at baseline are defined as those participants with ≥ 10 1/dil for at least one serotype with the parental dengue virus strain or for Yellow Fever titer.
Percentage of Flavi Virus-Naive Participants at Baseline With Antibody Titers ≥10 1/Dil Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavi virus (FV) naïve participants are defined as those participants with < 10 1/dil for all serotypes with parental dengue virus strains and for Yellow Fever titer.
Percentage of Participants With Antibody Titers of ≥10 1/Dil Against At Least 1, 2, 3, or 4 Serotypes With Parental Dengue Virus Strain Before and Following Each Injection With Either Sanofi Pasteur's CYD Dengue Vaccine or A Placebo Vaccine
Time frame: Day 0 (before each vaccination) and Day 28 post each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Percentage of Flavi Virus-Immune Participants With Antibody Titers of ≥10 1/Dil Against At Least 1, 2, 3, or 4 Serotypes With Parental Dengue Virus Strain Pre and Post-Injection With Either Sanofi Pasteur's CYD Dengue Vaccine or A Placebo Vaccine
Time frame: Day 0 (before each vaccination) and Day 28 post each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Percentage of Flavi Virus-Naive Participants With Antibody Titers of ≥10 1/Dil Against At Least 1, 2, 3, or 4 Serotypes With Parental Dengue Virus Strain Pre and Post-Injection With Either Sanofi Pasteur's CYD Dengue Vaccine or A Placebo Vaccine
Time frame: Day 0 (before each vaccination) and Day 28 post each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Summary of Geometric Mean Titers (GMTs) of Antibodies Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 (before each vaccination) and Day 28 post-each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT).
Summary of Geometric Mean Titers Ratios of Antibodies Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 (before each vaccination) and Day 28 post each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Geometric mean titer ratio is the geometric mean of individual post vaccination/pre vaccination titer of antibodies to each parental dengue virus serotype strain.
Summary of Geometric Mean Titers (GMTs) of Antibodies in Flavivirus-Immune Participants at Baseline Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 (before each vaccination) and Day 28 post each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavivirus-immune subjects at baseline are defined as those participants with ≥ 10 1/dil for at least one serotype with the parental dengue virus strain or for Yellow Fever titer.
Summary of Geometric Mean Titers Ratios of Antibodies in Flavivirus-Immune Participants at Baseline Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 (pre each vaccination) and Day 28 post each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavivirus-immune subjects at baseline are defined as those participants with ≥ 10 1/dil for at least one serotype with the parental dengue virus strain or for Yellow Fever titer. Geometric mean titer ratio is the geometric mean of individual post vaccination/pre-vaccination titer of antibodies to each parental dengue virus serotype strain.
Summary of Geometric Mean Titers (GMTs) of Antibodies in Flavivirus-Naïve Participants at Baseline Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavivirus-naïve participants are defined as those participants with < 10 1/dilutions for all serotypes with parental dengue virus strains and for Yellow Fever titer.
Summary of Geometric Mean Titer Ratios of Antibodies in Flavivirus-Naive Participants at Baseline Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 (pre-each vaccination) and Day 28 post-each vaccination
Neutralizing antibody levels against each of the 4 parental dengue virus strains of Sanofi Pasteur's CYD dengue vaccine constructs were measured using the dengue plaque reduction neutralization test (PRNT). Flavivirus-naïve participants are defined as those participants with < 10 1/dil for all serotypes with parental dengue virus strains and for Yellow Fever titer. Geometric mean titer ratio is the geometric mean of individual post-vaccination/pre-vaccination titer of antibodies to each parental dengue virus serotype strain.
Number of Participants Reporting a Solicited Injection-site or Systemic Reactions Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine
Time frame: Day 0 up to Day 14 post-each vaccination
Solicited Injection-site reactions: Pain, Erythema, and Swelling. Solicited Systemic Reactions: Fever, (Temperature) Headache, Malaise, Myalgia, and Asthenia. Grade 3 Solicited Injection-Site Pain, Incapacitating, unable to perform usual activities; Erythema and Swelling, ≥ 5 cm. Grade 3 Solicited Systemic Reactions: Fever, ≥ 39˚C; Headache, Malaise, Myalgia, and Asthenia, Significant; prevents daily activity.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 24 Mar 2022.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Results publication: PubMed 24067553Villar LA, Rivera-Medina DM, Arredondo-Garcia JL, Boaz M, Starr-Spires L, Thakur M, Zambrano B, Miranda MC, Rivas E, Dayan GH. Safety and immunogenicity of a recombinant tetravalent dengue vaccine in 9-16 year olds: a randomized, controlled, phase II trial in Latin America. Pediatr Infect Dis J. 2013 Oct;32(10):1102-9. doi: 10.1097/INF.0b013e31829b8022.
- Derived from this study: PubMed 32932330Coronel D, Garcia-Rivera EJ, Rivera DM, Arredondo-Garcia JL, Dietze R, Perroud AP, Cortes M, Bonaparte M, Wang H, Pagnon A, Jantet-Blaudez F, Penalosa LAR, Dayan G, Zambrano B, DiazGranados CA, Noriega F. Immune Response Persistence and Safety of a Booster Dose of the Tetravalent Dengue Vaccine in Adolescents and Adults Who Previously Completed the 3-dose Schedule 4-5 Years Earlier in Latin America: A Randomized Placebo-controlled Trial. Pediatr Infect Dis J. 2020 Oct;39(10):961-968. doi: 10.1097/INF.0000000000002830.
- Related InfoLink provided by the sponsor.
- Individual participant dataSharing planned: Yes. Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org
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Dengue, Antiviral Drugs
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Medical Director study director
Sanofi Pasteur Inc.
4 sites in 4 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing CYD Dengue Vaccine and Tetanus Toxoid Reduced Diphtheria Toxoid Acellular Pertussis in people with Dengue and Dengue Hemorrhagic Fever, run by Sanofi Pasteur, a Sanofi Company at 4 sites in 4 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 16 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 24 Mar 2022. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 4 sites in Colombia, Honduras, Mexico, Puerto Rico. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 29 Nov 2016). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Percentage of Participants With Antibody Titers of ≥10 1/Dil Against Each Parental Dengue Virus Serotype Strain Before and Following Each Injection With Sanofi Pasteur's CYD Dengue Vaccine (time frame: Day 0 (pre-each vaccination) and Day 28 post-each vaccination). The study lists 13 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00993447, which also lists 2 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Mar 2022.