Dengue Fever Clinical Trial
Official title:
An Open-Label, Phase 2 Trial to Investigate the Humoral and Cell-Mediated Immune Responses and Safety of a Tetravalent Dengue Vaccine Candidate (TDV) Administered Subcutaneously in Flavivirus-Naïve and Dengue-Immune Healthy Adults
The purpose of this study is to assess the neutralizing antibody response against each dengue serotype post-vaccination.
The vaccine being tested in this study is Takeda's Tetravalent Dengue Vaccine Candidate (TDV). TDV is being tested to protect people against dengue fever. This study will look at the immunogenicity and safety of TDV in flavivirus-naïve and dengue-immune adults. The study will enroll approximately 44 patients. Participants will be categorized into two groups based on results from serological testing performed by the trial center outside the scope of this trial (up to 70 days [10 weeks] prior to Day 1 [Month 0]): Group 1: Flavivirus-Naïve Participants Group 2: Dengue-Immune Participants All participants will receive subcutaneous injection of TDV on Day 1 (Month 0) and Day 90 (Month 3). This trial will be conducted in the United States. The overall time to participate in this study is 12 months. Participants will make multiple visits to the clinic, and 9 months after last dose of study drug for a follow-up assessment. ;
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