Trial of a Chikungunya Vaccine, PXVX0317 CHIKV-VLP, in Healthy Adults
Chikungunya Virus Infection
About this trial
This is an interventional prevention trial for Chikungunya Virus Infection
Eligibility Criteria
Inclusion Criteria:
- Male or female
- Age 18 to 45 years old (inclusive)
- Using an acceptable method of contraception (if female of childbearing potential).
- Able and willing to provide informed consent for study participation.
Exclusion Criteria:
- Current acute febrile illness.
- Clinically significant cardiac, respiratory, or rheumatologic disease, in the opinion of the Investigator.
- Pregnant or breast-feeding.
- Laboratory evidence of infection with Hepatitis B/C or HIV.
- History of chikungunya virus infection.
- Travel to a World Health Organization-designated chikungunya-endemic region within 30 days prior to Day 1.
- History of allergic reaction to any component of CHIKV-VLP vaccine, Diluent, or Alhydrogel®.
- Inability to discontinue systemic immunomodulatory or immunosuppressive medications 30 days prior to Day 1.
- Received or plans to receive any licensed vaccine from 30 days prior to Day 1 through Day 57.
- Received or plans to receive an investigational agent from 30 days prior to Day 1 through the duration of study participation.
- Any other condition that, in the opinion of the Investigator, creates an unacceptable risk to the subject.
- Any other condition that, in the opinion of the Investigator, may interfere with the conduct of the study or the validity of the data.
- Any other condition that, in the opinion of the Investigator, creates an unacceptable safety risk for apheresis (Group 9 & 10 only).
- Restricted venous access that would prevent the collection of PBMCs, plasma, and lymphocytes necessary for participation (Group 9 & 10 only).
- Weight < 110 pounds (Group 9 & 10 only)
Sites / Locations
- Johnson County Clin-Trials
- The Center for Pharmaceutical Research
- Advanced Clinical Research
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Arm 8
Arm 9
Arm 10
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Group 1: 20 mcg/unadjuvanted (Day 1 & 29)
Group 2: 6 mcg/adjuvanted (Day 1 & 29)
Group 3: 10 mcg/adjuvanted (Day 1 & 29)
Group 4: 20mcg/adjuvanted (Day 1 & 29);40mcg/adjuvant (Day 547)
Group 5: 6 mcg/adjuvanted (Day 15 & 29)
Group 6: 10 mcg/adjuvanted (Day 15 & 29)
Group 7: 20 mcg/adjuvanted (Day 15 & 29)
Group 8: 40 mcg/adjuvanted (Day 29)
Group 9: 20 mcg/adjuvanted (Day 1 & 29)
Group 10: 40 mcg/adjuvanted (Day 1)
20 mcg CHIKV VLP/unadjuvanted (Day 1) // Placebo (Day 15) // 20 mcg CHIKV VLP/unadjuvanted (Day 29)
6 mcg CHIKV VLP/adjuvanted (Day 1) // Placebo (Day 15) // 6 mcg CHIKV VLP/adjuvanted (Day 29)
10 mcg CHIKV VLP/adjuvanted (Day 1) // Placebo (Day 15) // 10 mcg CHIKV VLP/adjuvanted (Day 29)
20 mcg CHIKV VLP/adjuvanted (Day 1) // Placebo (Day 15) // 20 mcg CHIKV VLP/adjuvanted (Day 29) // 40 mcg CHIKV (Day 547)
Placebo (Day 1) // 6 mcg CHIKV VLP/adjuvanted (Day 15) // 6 mcg CHIKV VLP/adjuvanted (Day 29)
Placebo (Day 1) // 10 mcg CHIKV VLP/adjuvanted (Day 15) // 10 mcg CHIKV VLP/adjuvanted (Day 29)
Placebo (Day 1) // 20 mcg CHIKV VLP/adjuvanted (Day 15) // 20 mcg CHIKV VLP/adjuvanted (Day 29)
Placebo (Day 1) // Placebo (Day 15) // 40 mcg CHIKV VLP/adjuvanted (Day 29)
20 mcg CHIKV VLP/adjuvanted (Day 1) // 20 mcg CHIKV VLP/adjuvanted (Day 29). This group will also have plasmapheresis performed on Day 57 and Leukapheresis on Day 182
40 mcg CHIKV VLP/adjuvanted (Day 1). This group will also have plasmapheresis performed on Day 22.