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Immunogenicity and Safety of a Tetravalent Dengue Vaccine Given as a Booster Injection in Adolescents and Adults Who Previously Completed the 3-dose Schedule in a Study Conducted in Singapore

Phase 1
Active, not recruiting
Conditions
Dengue FeverDengue Hemorrhagic Fever
Therapeutic area: Diseases [C] - Virus Diseases [C02]
Registration Number
EUCTR2019-000993-44-Outside-EU/EEA
Lead Sponsor
Sanofi Pasteur SA
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Active
Sex
All
Target Recruitment
118
Inclusion Criteria

Has been identified as a potential subject by the Sponsor, and is included in the list provided to the investigator (i.e., aged 9 to 45 years on the day of first injection of CYD dengue vaccine in CYD28, has received 3 doses of CYD dengue vaccine in the CYD28 trial, and has a post-Dose 3 serum sample available).

Presently in good health, based on medical history and physical examination.

Informed consent form (ICF) has been signed and dated by the subject (based on local regulations), and ICF has been signed and dated by the parent(s) or another legally acceptable representative (and by an independent witness if required by local regulations)

Subject and parent(s)/legally acceptable representative(s) able to attend all scheduled visits and to comply with all trial procedures.

Are the trial subjects under 18? yes
Number of subjects for this age range: 20
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 240
F.1.3 Elderly (>=65 years) no
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

Subject who received any other dengue vaccination that was not part of CYD28

Subject is pregnant, or lactating, or of childbearing potential (to be considered of non childbearing potential, a female must be pre-menarche or post-menopausal for at least 1 year, surgically sterile, or using an effective method of contraception or abstinence from at least 4 weeks prior to vaccination until at least 4 weeks after vaccination)

Participation at the time of study enrollment (or in the 4 weeks preceding the trial vaccination) or planned participation during the present trial period in another clinical trial investigating a vaccine, drug, medical device, or medical procedure

Receipt of any vaccine in the 4 weeks preceding the trial vaccination or planned receipt of any vaccine in the 4 weeks following the trial vaccination

Receipt of immune globulins, blood or blood-derived products in the past 3 months

Known or suspected congenital or acquired immunodeficiency; or receipt of immunosuppressive therapy, such as anti-cancer chemotherapy or radiation therapy, within the preceding 6 months; or long-term systemic corticosteroid therapy (prednisone or equivalent for more than 2 consecutive weeks within the past 3 months)

Known systemic hypersensitivity to any of the vaccine components, or history of a life-threatening reaction to the vaccines used in the trial or to a vaccine containing any of the same substances

Chronic illness that, in the opinion of the Investigator, is at a stage where it might interfere with trial conduct or completion

Receipt of blood or blood-derived products in the past 3 months, which might interfere with assessment of the immune response

Deprived of freedom by an administrative or court order, or in an emergency setting, or hospitalized involuntarily

Current alcohol abuse or drug addiction

Moderate or severe acute illness/infection (according to investigator judgment) on the day of vaccination or febrile illness (temperature = 38.0°C). A prospective subject should not be included in the study until the condition has resolved or the febrile event has subsided

Identified as an Investigator or employee of the Investigator or study center with direct involvement in the proposed study, or identified as an immediate family member (i.e., parent, spouse, natural or adopted child) of the Investigator or employee with direct involvement in the proposed study.

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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