Table 6.
Predicted elimination of grade 3 AEs for biomarker-based thresholds
| Grade 3 AEs | MC-001 (N = 6) | MC-003 infectivity and drug controls (N = 11) | MC-003 vaccinated (N = 14) | PfSPZ-Cvac PYR (N = 6) | All studies (N = 37) |
|---|---|---|---|---|---|
| As observed in the active studies | |||||
| Volunteers (%) | 1 (16.7%) | 5 (45.5%) | 6 (42.9%) | 3 (50.0%) | 15 (40.5%) |
| Total number | 4 | 14 | 16 | 4 | 38 |
| Before or on the day of TBS positivity | |||||
| Volunteers (%) | 1 (16.7%) | 5 (45.5%) | 5 (35.7%) | 2 (33.3%) | 13 (35.1%) |
| Total number | 3 | 10 | 14 | 2 | 29 |
| Before or on the day of biomarker equivalent to ≥ 250 estimated parasites/mL | |||||
| Volunteers (%) | 1 (16.7%) | 2 (9.1%) | 1 (7.1%) | 0 (0.0%) | 4 (10.8%) |
| Total number | 2 | 2 | 1 | 0 | 5 |
| Before or on the day of any biomarker positivity | |||||
| Volunteers (%) | 1 (16.7%) | 1 (9.1%) | 0 (0.0%) | 0 (0.0%) | 2 (5.4%) |
| Total number | 2 | 1 | 0 | 0 | 3 |
AE = adverse event; PYR = pyrimethamine; TBS = thick blood smear. Adverse events were identified here as any AE that eventually became a grade 3 AE. For example, if a participant had a grade 1 AE on day 6, but it became a grade 3 on day 8, the starting date was counted as day 6.