- Alternative id - ARCT-021-04
- Interventions - Biological: ARCT-021 single dose priming|Biological: ARCT-021 two lower dose priming|Biological: ARCT-021 two higher dose priming|Biological: Placebo (two doses), priming|Biological: Randomized booster|Biological: Placebo booster
- Study type - Interventional
- Study results - No Results Available
- Locations - Arcturus Investigational Site 103, Chandler, Arizona, United States|Arcturus Investigational Site 107, Tucson, Arizona, United States|Arcturus Investigational Site 112, San Diego, California, United States|Arcturus Investigational Site 104, Melbourne, Florida, United States|Arcturus Investigational Site 105, Orlando, Florida, United States|Arcturus Investigational Site 106, Pinellas Park, Florida, United States|Arcturus Investigational Site 109, The Villages, Florida, United States|Arcturus Investigational Site 101, Peoria, Illinois, United States|Arcturus Investigational Site 110, Rockville, Maryland, United States|Arcturus Investigational Site 102, Anderson, South Carolina, United States|Arcturus Investigational Site 111, Austin, Texas, United States|Arcturus Investigational Site 108, Dallas, Texas, United States|Arcturus Investigational Site 204, Singapore, Singapore|Arcturus Investigational Site 201, Singapore, Singapore|Arcturus Investigational Site 203, Singapore, Singapore
- Study designs - Allocation: Randomized|Intervention Model: Parallel Assignment|Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)|Primary Purpose: Prevention
- Enrollment - 600
- Age - 18 Years and older (Adult, Older Adult)
- Outcome measures - Percentages of participants reporting solicited local adverse events|Percentages of participants reporting solicited systemic adverse events|Percentages of participants reporting adverse events|Percentages of participants reporting serious adverse events|Percentages of participants reporting medically attended adverse events|Percentages of participants reporting new onset of chronic disease|Percentages of participants with abnormal chemistry and hematology values|SARS-CoV-2 serum neutralizing antibody levels, expressed as GMTs|Changes in SARS-CoV-2 serum neutralizing titers from before vaccination to each subsequent time point, expressed as GMFRs|Percentages of participants achieving greater than or equal to 2-fold and 4-fold rises from before vaccination in SARS-CoV-2 serum neutralizing antibody levels|SARS-CoV-2 anti-S1, anti-RBD, and anti-N binding antibody levels, expressed as GMCs|Changes in SARS-CoV-2 anti-S1, anti-RBD, and anti-N binding antibody levels from before vaccination to each subsequent time point, expressed as GMFRs|Percentages of participants achieving greater than or equal to 2-fold and 4-fold rises from before vaccination in SARS-CoV-2 SARS-CoV-2 anti-S1, anti-RBD, and anti-N binding antibody levels
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- Alternative id - ARCT-165-01
- Interventions - Biological: ARCT-165|Biological: ARCT-154|Biological: ARCT-021
- Study type - Interventional
- Study results - No Results Available
- Locations - Arcturus Investigational Site 202, Wichita, Kansas, United States|Arcturus Investigational Site 201, Kansas City, Missouri, United States|Arcturus Investigational Site 101, Singapore, Singapore
- Study designs - Allocation: Randomized|Intervention Model: Parallel Assignment|Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)|Primary Purpose: Treatment
- Enrollment - 72
- Age - 21 Years to 80 Years (Adult, Older Adult)
- Outcome measures - Percentage of participants reporting solicited local or systemic adverse events|Percentage of participants reporting unsolicited adverse events|Percentage of participants reporting medically attended adverse events|Percentage of participants reporting adverse events leading to discontinuation from study vaccine/study withdrawal|Percentage of participants reporting serious adverse events|SARS-CoV-2 serum neutralizing antibody levels, expressed as GMTs|Changes in SARS-CoV-2 serum neutralizing levels from before vaccination to each subsequent time point, expressed as GMFRs|Percentages of participants achieving greater than or equal to 4-fold rise from before vaccination in SARS-CoV-2 serum neutralizing antibody levels|GMT ratio (ARCT-021/ARCT-165, ARCT-165/ARCT-154, and ARCT-021/ARCT-154)|SARS-CoV-2 full-length spike, RBD, and N binding antibody levels, expressed as GMCs|Changes in SARS-CoV-2 full-length spike, RBD, and N binding antibody levels from before vaccination to each subsequent time point, expressed as GMFRs|Percentages of participants achieving greater than or equal to 4-fold rise from before vaccination in SARS-CoV-2 full-length spike, RBD, and N binding antibody levels
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