A Lassa Fever Vaccine Trial in Adults and Children Residing in West Africa

ConditionLassa Fever
Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-70
SponsorInternational AIDS Vaccine Initiative

About this trial

A Phase 2 Randomized, Double-Blinded, Placebo-Controlled Clinical Trial to Evaluate the Safety, Tolerability, and Immunogenicity of rVSV∆G-LASV-GPC Vaccine in Adults and Children Residing in West Africa

Eligibility criteria

Qualifiers

Adults, adolescents, and children in good general health as assessed by medical history and physical examination (group-specific criteria apply).

At least 18 months old on the day of screening and not more than 70 years old on the day of vaccination (group-specific criteria apply).

Participant or parent/guardian willing to comply with the requirements of the protocol and available for follow-up for the planned duration of the study.

In the opinion of the Principal Investigator (PI) or designee and based on Assessment of Informed Consent Understanding (AOU), participant or parent/guardian has understood the information provided and potential impact and/or risks linked to administration and participation in the trial; written informed consent will be obtained before any study-related procedures are performed. Children old enough to understand the procedures will be asked to assent, in addition to parent/guardian consent, in accordance with local requirements.

Disqualifiers

Confirmed HIV-1 or HIV-2 infection (except as outlined for Group 2)

Any clinically relevant abnormality on history or examination including history of immunodeficiency (except for Group 2) or autoimmune disease; use of corticosteroids, immunosuppressive, anticancer, or other medications considered significant by the Investigator within the previous 6 months. The following exceptions are permitted and will not preclude study participation: use of corticosteroid nasal spray for rhinitis, topical corticosteroids for an acute uncomplicated dermatitis; or a short course (duration of 10 days or less, or a single injection) of corticosteroid for a non-chronic condition (based on Investigator clinical judgment) at least 2 weeks prior to enrollment in this study.

Hypertension with systolic ≤150 mmHg and/or diastolic ≤90 mmHg; (regardless of treatment status)

Diabetes mellitus with a HbA1C <10% and /or with type 2 diabetes mellitus on stable medication for at least 2 months prior to enrollment.

Trial design

Treatments tested in this trial

  • Day 1 Lower Dose (2×106 pfu)
  • Day 1 Higher Dose (1×107 pfu)
  • Placebo

Treatment groups

612 Participants
are divided into 10 treatment groups

10

Treatment groups

See each treatment group below.

Sponsors and collaborators

International AIDS Vaccine Initiative

Lead sponsor

Coalition for Epidemic Preparedness Innovations

Collaborator