Status:

COMPLETED

Evaluating the Safety and Immunogenicity of AGS-v PLUS, a Universal Mosquito-Borne Disease and Mosquito Control Vaccine

Lead Sponsor:

National Institute of Allergy and Infectious Diseases (NIAID)

Collaborating Sponsors:

PepTcell Limited

Conditions:

Mosquito-Borne Infectious Diseases

Eligibility:

All Genders

18-50 years

Phase:

PHASE1

Brief Summary

The purpose of this study is to evaluate the safety and immunogenicity of AGS-v PLUS, a universal mosquito-borne disease and mosquito control vaccine, in healthy volunteers.

Detailed Description

This study will evaluate the safety and immunogenicity of AGS-v PLUS, a universal mosquito-borne disease and mosquito control vaccine, in healthy volunteers. Participants will be randomly assigned to...

Eligibility Criteria

Inclusion

  • Healthy women and men who are greater than or equal to 18 and less than or equal to 50 years of age.
  • Willingness to complete all study visits and comply with all study requirements.
  • A male participant is eligible for the study if he agrees to practicing abstinence or using a condom with spermicide plus an acceptable form of contraception (see inclusion criteria below) being used by any female partner from 4 weeks before study start to 12 weeks after the second vaccine administration.
  • A female participant is eligible for this study if she is not pregnant or breast feeding and 1 of the following:
  • Of non-child bearing potential (i.e., women who have had a hysterectomy or tubal ligation, or are postmenopausal, as defined by no menses in greater than or equal to 1 year).
  • Of childbearing potential but agrees to practice effective contraception or abstinence for 4 weeks before study initiation and 12 weeks after the second vaccine administration. Acceptable methods of contraception include a female partner who is the sole sexual partner of the female participant, a male partner who is sterile and is the sole sexual partner of the female participant, or a male partner who uses a condom with spermicide plus 1 or more of the following: 1) implants of levonorgestrel; 2) injectable progestogen; 3) an intrauterine device with a documented failure rate of less than 1%; 4) oral contraceptives; and 5) double barrier method including diaphragm.
  • Willing to have samples stored for future research.
  • Agrees to abstain from alcohol intake for 24 hours before each study visit.
  • Agrees to not donate blood or blood products throughout the study.
  • Score greater than or equal to 70% on comprehension quiz at screening

Exclusion

  • Participant has any underlying or current medical condition, which, in the opinion of the Investigator, would interfere with the participation in the study.
  • Individual with body mass index (BMI) less than or equal to 18 and greater than or equal to 40.
  • Participants who have a clinically significant (as determined by the PI or designee) baseline Grade 1 or greater toxicity, or any Grade 2 or greater toxicity (regardless of clinical significance) by the toxicity table.
  • Receipt of blood or blood products including immunoglobulin within 3 months before enrollment.
  • Receipt of any unlicensed drug within 3 months or 5.5 half-lives (whichever is greater) before enrollment.
  • Receipt of any unlicensed vaccine within 6 months before enrollment.
  • Participated in study NCT03055000 testing safety and immunogenicity of AGS-v.
  • Self-reported or known history of alcoholism or drug abuse within 6 months before enrollment.
  • Self-reported or known history of psychiatric or psychological issues that require treatment and are deemed by the PI or designee to be a contraindication to protocol participation.
  • History of a previous severe allergic reaction with generalized urticaria, angioedema, anaphylaxis or anaphylactoid reaction.
  • Any condition or event that, in the judgment of the PI or designee, is a contraindication to protocol participation or impairs the volunteer's ability to give informed consent.
  • Known allergy to any vaccine component, including adjuvants.
  • History of severe immunization reaction.
  • Severe allergic reaction to mosquito bites (anaphylaxis)
  • Have taken oral or parenteral (including intra-articular) corticosteroids of any dose within 30 days before study vaccination
  • Have taken high-dose inhaled corticosteroids\* within 30 days before each study vaccination (\* High-dose defined per age as using inhaled high dose per reference chart: https://www.nhlbi.nih.gov/sites/default/files/media/docs/asthma\_qrg\_0\_0.pdf)
  • Received or plan to receive a licensed, live vaccine within 30 days before or after the study vaccination
  • Received or plan to receive a licensed, inactivated vaccine within 14 days before or after study vaccination
  • Serologic evidence of infection with HIV, hepatitis B virus, or hepatitis C virus
  • Ongoing chronic skin condition, or acute skin condition at the time of vaccination or mosquito feeding, except for mild eczema.
  • History of keloid formation after previous biopsies, lacerations, abrasions, surgeries, or other skin procedures (e.g., cosmetic piercings) that are deemed by the PI or designee to be a contraindication to protocol participation.
  • Pregnancy, breastfeeding, or planning to become pregnant up to one month after mosquito feeding.

Key Trial Info

Start Date :

July 8 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 23 2021

Estimated Enrollment :

51 Patients enrolled

Trial Details

Trial ID

NCT04009824

Start Date

July 8 2019

End Date

February 23 2021

Last Update

April 28 2022

Active Locations (1)

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Page 1 of 1 (1 locations)

1

University of Maryland School of Medicine - Center for Vaccine Development - Baltimore

Baltimore, Maryland, United States, 21201-1509