Table 1.
Clinical trials underway to evaluate the efficacy and safety of intranasal vaccines or intranasal combined with intramuscular vaccines.
| Clinical Trial Identifier | Intervention | Status | Phase |
| NCT04954287 | CVXGA1 (IN) | Recruiting | I |
| NCT05522335 | BBV154 (IN) and covaxin | Active, not recruiting | III |
| NCT04798001 | MV-014-212 (IN) | Recruiting | I |
| NCT05248373 | Gam-COVID-Vac (IN) | Not recruiting | I |
| NCT04751682 | BBV154 (IN) | Completed | I |
| NCT04679909 | AdCOVID (IN) | Active, not recruiting | I |
| NCT04871737 | NDV (IN and IM) | Active, not recruiting | I |
| NCT05205746 | NDV (IN) | Recruiting | II |
| NCT04839042 | SC-Ad6-1(IN) | Recruiting | I |
| NCT05181709 | NDV-HXP-S (IN and IM) | Recruiting | I |