Respiratory Syncytial Virus Infections
Conditions
Keywords
Respiratory Syncytial Virus Infections
Brief summary
This study will assess the immunogenicity, safety and tolerability of VN-0200 after intramuscular injections in Japanese healthy elderly subjects.
Interventions
BIOLOGICALVN-0200
VN-0200 (antigen: VAGA-9001a, adjuvant: MABH-9002b) administered as an intramuscular injection; 2 shots in 4 weeks.
Sponsors
Daiichi Sankyo
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
60 Years to 80 Years
Healthy volunteers
Yes
Inclusion criteria
* Japanese healthy elderly aged \>=60 and =\<80 years (at the time of informed consent). * Subjects who can follow the compliance requirements during clinical trials, undergo medical examinations and tests specified by the protocol, and report symptoms, etc.
Exclusion criteria
* Serious cardiovascular, respiratory, hepatic, renal, gastrointestinal, or neuropsychiatric disorders. * Serious acute illness. * Has been diagnosed with congenital or acquired immunodeficiency. * Previous vaccination with an RSV vaccine (including the investigational drugs). * Having a history of anaphylaxis or severe allergies due to medicines, or vaccination. * Administration of gamma globulins, systemic immunosuppressants (including drugs for the treatment of autoimmune diseases), hematopoietics (excluding iron and vitamins), and corticosteroids (excluding topical preparations, inhalants, and small-dose short-term oral administration\*) or planned administration of them in the period starting 28 days prior to informed consent and ending 28 days after the second vaccination. \* \<14 days, 20 mg/day on a prednisolone basis. * Planned or actual administration of other vaccine in the period starting 14 days prior to informed consent and ending 14 days after the second vaccination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Geometric Mean Titer (GMT) of anti-RSV Subgroup A (RSV/A) Neutralizing Activity | Day 57 (28 days after the second dosing of the investigational product) |
| Geometric Mean Fold Rise (GMFR) of Anti-RSV/A Neutralizing Activity | Day 57 (28 days after the second dosing of the investigational product) |
Secondary
| Measure | Time frame |
|---|---|
| Geometric Mean Titer (GMT) of Anti-RSV/B Neutralizing Activity | Day 29 (the second dosing of the investigational product) and Day 57 (28 days after the second dosing of the investigational product) |
| Geometric Mean Fold Rise (GMFR) of Anti-RSV/B Neutralizing Activity | Day 29 (the second dosing of the investigational product) and Day 57 (28 days after the second dosing of the investigational product) |
| Geometric Mean Titer (GMT) of Anti-VAGA-9001a Immunoglobulin G (IgG) | Day 29 (the second dosing of the investigational product) and Day 57 (28 days after the second dosing of the investigational product) |
| Geometric Mean Fold Rise (GMFR) of Anti-VAGA-9001a Immunoglobulin G (IgG) | Day 29 (the second dosing of the investigational product) and Day 57 (28 days after the second dosing of the investigational product) |
| Geometric Mean Titer (GMT) of Anti-RSV/A Neutralizing Activity | Day 29 (the second dosing of the investigational product) |
| Number of Participants Reporting Solicited Adverse Events (Local and Systemic Adverse Reactions) and Side Reactions | Day 1 (the first dosing of the investigational product) up to Day 8, Day 29 (the second dosing of the investigational product) up to Day 36 and at time of discontinuation (whichever comes first), up to approximately 1 month |
| Number of Participants Reporting Non-Solicited Adverse Events and Side Reactions | Day 1 (the first dosing of the investigational product) up to Day 57 (28 days after second dosing of the investigational product) and at time of discontinuation (whichever comes first), up to approximately 2 months |
| Number of Participants Reporting Serious Adverse Events and Side Reactions | From date of informed consent up to approximately 12 months |
| Number of Participants Reporting Potential Immune-Mediated Disease | Day 1 (the first dosing of the investigational product) up to the time of follow-up and discontinuation (up to approximately 12 months) |
| VAGA-9001a Specific IFN-Gamma Production Responses | Day 29 (the second dosing of the investigational product) and Day 57 (28 days after the second dosing of the investigational product) |
| Geometric Mean Fold Rise (GMFR) of Anti-RSV/A Neutralizing Activity | Day 29 (the second dosing of the investigational product) |
Countries
Japan
Outcome results
None listed