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A phase 1 study of self-amplifying mRNA vaccine VLPCOV-01 Randomized, placebo-controlled, parallel group, first-in-human study (FIH Study)(COVID-19)

A phase 1 study of self-amplifying mRNA vaccine VLPCOV-01 Randomized, placebo-controlled, parallel group, first-in-human study (FIH Study)(COVID-19)

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2071210067
Enrollment
45
Registered
2021-09-28
Start date
2021-09-28
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prevention of infectious disease caused by SARS-CoV-2

Interventions

VLPCOV-01 0.5 mL or VLPCOV-01 Matching Placebo, intramuscular injection in the upper arm

Sponsors

Sato Nobuaki
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Healthy Japanese male and female subjects who are 20 to 65 years of age. 2. Participants who understand and agree to comply with the study procedures and provide written informed consent. 3. Participants whose BMI is 18-35 kg/m^2. 4. Participants whose body temperature is below 37.5 degree Celsius at screening. 5. Participants who have negative PCR test results SARS-CoV-2 at screening. 6. Participants who is willing and able to keep diary by himself/herself.

Exclusion criteria

Exclusion criteria: 1. Female participants who are confirmed or suspected pregnant, planned to be pregnant within 90 days of the last vaccination, or lactating. 2. Participants who are judged inappropriate in their health condition by Principal investigator or Sub-investigator. 3. Participants who have known history of COVID-19. 4. Participants who have history of COVID-19 vaccination, including investigational vaccine (exclusion placebo). 5. Participants who have history of significant diseases of cardiac, vascular system (including thrombosis), blood, respiratory, hepatic, renal, GI, psychiatric diseases or disorders. 6. Participants who have history of allergy such as systemic skin rash. 7. Participants who have history of convulsion (including febrile convulsions), Guillain-Barre syndrome, acute disseminated encephalomyelitis. 8. Participants who were diagnosed immune system disorder. 9. Participants who are receiving or scheduling any medicine and/or therapy that could interfere with immunogenicity assessment of test medications. 10. Participants who have history of anaphylaxis caused by food or medicines. 11. Participants who have history or risk of allergy or anaphylaxis caused by any components of study medications. 12. Participants who received any investigational product or vaccine 28 days prior to screening of this study, or who are planning to join any other investigation study during this study. 13. Participants who are bleeding tendency and considered a contraindication to intramuscular injection by Principal investigator or Sub-investigator. 14. Participants who received investigational product or medicine that contains lipid nano particle.

Design outcomes

Primary

MeasureTime frame
Frequency and severity of solicited local and systemic reactogenicity AEs for 7 days following each vaccination. Frequency and severity of unsolicited AEs until 28 days after last vaccination.

Contacts

Public ContactClinical Development

VLP Therapeutics Japan, LLC

clinical@vlptherapeutics.com+81-70-8336-6345

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026