~111 spots leftby Apr 2026

Immunogenicity and Safety of Tetravalent Dengue Vaccine (TDV) Administered With a Yellow Fever Vaccine in Adults

Recruiting in Palo Alto (17 mi)
+10 other locations
Age: 18 - 65
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 3
Waitlist Available
Sponsor: Takeda
No Placebo Group
Pivotal Trial (Near Approval)
Prior Safety Data

Trial Summary

What is the purpose of this trial?

The main purpose of this study is to assess the immunogenicity and safety of the concomitant and sequential administration of yellow fever (YF) vaccine and tetravalent dengue vaccine (TDV) in healthy participants aged 18 to 60 years living in country non-endemic for both dengue and YF.

Research Team

MD

Medical Director Clinical Science

Principal Investigator

Takeda

Eligibility Criteria

Inclusion Criteria

Is aged 18 to 60 years inclusive, at the time of randomization.
Is in good health at the time of entry into the trial as determined by medical history, physical examination (including vital signs), and the clinical judgment of the Investigator.

Treatment Details

Interventions

  • Tetravalent Dengue Vaccine (TDV) (Virus Vaccine)
  • Yellow Fever Vaccine (YF-17D) (Virus Vaccine)
Participant Groups
3Treatment groups
Experimental Treatment
Group I: Group 3: TDV + YF-17D/TDV/PlaceboExperimental Treatment3 Interventions
TDV, 0.5 mL, injection, SC plus YF-17D vaccine, 0.5 mL, injection, SC on Day 1 (first dose), followed by TDV, 0.5 mL, injection, SC on day 90 (second dose), followed by TDV + YF 17D placebo-matching, 0.5 mL, injection, SC on Day 180.
Group II: Group 2: TDV + Placebo/TDV/YF-17DExperimental Treatment3 Interventions
TDV, 0.5 mL, injection, SC plus TDV placebo-matching, 0.5 mL injection, SC on Day 1 (first dose), followed by TDV, 0.5 mL, injection, SC on Day 90 (second dose), followed by YF-17D vaccine, 0.5 mL, injection, SC on Day 180.
Group III: Group 1: YF-17D + Placebo/TDV/TDVExperimental Treatment3 Interventions
YF-17D vaccine, 0.5 mL injection, subcutaneously (SC) plus YF 17D + TDV placebo-matching 0.5 mL, injection, SC on Day 1, followed by TDV, 0.5 mL, injection, SC on Day 90 (first dose), followed by TDV, 0.5 mL, injection, SC on Day 180 (second dose).

Find a Clinic Near You

Who Is Running the Clinical Trial?

Takeda

Lead Sponsor

Trials
1,255
Recruited
4,219,000+
Dr. Naoyoshi Hirota profile image

Dr. Naoyoshi Hirota

Takeda

Chief Medical Officer since 2020

MD from University of Tokyo

Christophe Weber profile image

Christophe Weber

Takeda

Chief Executive Officer since 2015

PhD in Molecular Biology from Université de Montpellier