Status:

ACTIVE_NOT_RECRUITING

Dengue Controlled Human Infection Model in Dhaka, Bangladesh

Lead Sponsor:

Beth Kirkpatrick

Collaborating Sponsors:

International Centre for Diarrhoeal Disease Research, Bangladesh

Conditions:

Dengue

Eligibility:

All Genders

18-45 years

Phase:

PHASE2

Brief Summary

The primary objective is to determine, among dengue-naïve adults in an endemic population, the protective efficacy of TetraVax-DV TV005 vaccine against dengue infection induced by a live recombinant a...

Detailed Description

This is a single center, Phase II, placebo-controlled, double-blind study to evaluate the ability of a single dose of TetraVax-DV TV005 vaccine to protect against infection induced by a live recombina...

Eligibility Criteria

Inclusion

  • \-
  • All of the following inclusion criteria must be met for a volunteer to be eligible for study participation:
  • Adult male or female between 18 and 45 years of age, inclusive.
  • Good general health as determined by physical examination, laboratory screening, and review of medical history.
  • Available for the duration of the study and willing to consent to a potential inpatient admission following receipt of the attenuated virus strain.
  • Willing to participate in the study as evidenced by signing the informed consent document.
  • Females of childbearing potential only: Willing to use effective contraception for at least 30 days prior to and 28 days following receipt of the investigational product.

Exclusion

  • \-
  • A volunteer will not be eligible for study participation if any of the following criteria are met:
  • Serologic evidence of previous wild-type dengue.
  • Females Only: Currently lactating, breastfeeding or pregnant, as determined by positive urine human choriogonadotropin (CG) test.
  • Positive test result on rapid point-of-care NS1 dengue test performed on study day 0.
  • Interim history of fever without a known cause since screening visit.
  • Evidence of clinically significant neurologic, cardiac, pulmonary, hepatic, rheumatologic, autoimmune, or renal disease by history, physical examination, and/or laboratory studies.
  • Behavioral, cognitive, or psychiatric disease that in the opinion of the investigator affects the ability of the subject to understand and cooperate with the requirements of the study protocol.
  • Screening laboratory values of Grade 1 or above for absolute neutrophil count (ANC), ALT, or platelets as defined in this protocol.
  • Any other condition that in the opinion of the investigator would jeopardize the safety or rights of a volunteer participating in the trial or would render them unable to comply with the protocol.
  • Any significant alcohol or drug abuse in the past 12 months which has caused medical, occupational, or family problems, as indicated by subject history.
  • History of a severe allergic reaction or anaphylaxis.
  • Hepatitis C virus (HCV) infection, by screening and confirmatory assays
  • Hepatitis B virus (HBV) infection, by Hepatitis B surface antigen (HBsAg) screening.
  • Self-reported or suspected immunodeficiency, or receipt of immunosuppressive therapy within the preceding 6 months, or long-term systemic corticosteroid therapy.
  • Current use of anticoagulant medications.
  • Use of aspirin and/or non-steroidal anti-inflammatory medications within 7 days of vaccination or anticipated receipt within 14 days following vaccination.
  • Receipt of a live vaccine within 28 days or a killed vaccine within the 14 days prior to vaccination or anticipated receipt of any vaccine during the 28 days following vaccination.
  • Previous receipt of a licensed or experimental dengue vaccine.
  • Asplenia.
  • Receipt of blood products, including transfusions or immunoglobulin within 90 days prior to receipt of investigational product or anticipated receipt during the study period.
  • Anticipated receipt of any investigational agent in the 28 days before or after receipt of investigational product.

Key Trial Info

Start Date :

December 11 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

July 1 2025

Estimated Enrollment :

192 Patients enrolled

Trial Details

Trial ID

NCT05229354

Start Date

December 11 2021

End Date

July 1 2025

Last Update

July 17 2024

Active Locations (1)

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Icddr,B

Dhaka, Bangladesh