TABLE 1.
Ref. No. | MAb(s) designation | Target epitope | Inhibition of RBD‐ACE2 interaction | In vivo neutralisation activity | Affinity constant (nM) | IGHV and IGLV genes usage |
---|---|---|---|---|---|---|
35 | 4A2, 4A12, 4D5, 4A10 | RBD | Yes | NI | 1.03–5.82 | NI |
32 | C101, C119, C121, C135, C145 | RBD | NI | NI | NI | IGHV: Multiple IGHVs |
IGLV: Multiple IGLVs | ||||||
33 | ‐ | RBD | Yes | Prophylactic efficacy in syrian hamster (4.2 mg/kg) | NI | IGHV: IGHV1, IGHV3 |
IGLV: NI | ||||||
45 | ‐ | RBD | NI | NI | NI | IGHV: Multiple IGHVs |
IGLV: Multiple IGLVs | ||||||
44 | ‐ | RBD | NI | NI | NI | NI |
46 | BD23 | RBD | Yes | Prophylactic efficacy in hACE2 transgenic mice (20 mg/kg) | <15.9 | NI |
Therapeutic efficacy in hACE2 transgenic mice (20 mg/kg) | ||||||
51 | COV2‐2196, COV2‐2130 | RBD | Yes | Prophylactic efficacy in hACE2 transgenic mice (10 mg/kg) | NI | NI |
52 | rRBD‐15 | RBD | Yes | NI | NI | NI |
49 | CV07–209, CV07–250 | RBD | Yes | Prophylactic efficacy in syrian hamster (18 mg/kg) | 0.006–1.1 | IGHV: IGHV1–2, IGHV3–53, IGHV3–66 |
Therapeutic efficacy in syrian hamster (18 mg/kg) | IGLV: IGVK1–33, IGVK2–14 | |||||
60 | B38 | RBD | Yes | Therapeutic efficacy in hACE2 transgenic mice (25 mg/kg) | 1–100 | IGHV: IGHV1, IGHV3 |
IGLV: IGVK1, IGVK2, IGVK3 | ||||||
67 | CB6 | RBD | Yes | Prophylactic efficacy in rhesus macaques monkey (50 mg/kg) | 2.49–68 | NI |
Therapeutic efficacy in rhesus macaques monkey (50 mg/kg) | ||||||
65 | MW05 | RBD | Yes | Prophylactic efficacy in rhesus macaques monkey (40 mg/kg) | 0.40–0.46 | NI |
Therapeutic efficacy in rhesus macaques monkey (40 mg/kg) | ||||||
61 | P2B‐2F6 | RBD | Yes | NI | 5.14 | NI |
70 | 47D11 | RBD | No | NI | NI | NI |
71 | S309 | RBD | No (Fc‐dependent effector functions, including ADCC and ADCP) | NI | NI | NI |
63 , 110 | REGN10933, REGN10987 | RBD | Yes | Prophylactic efficacy in rhesus macaques (25, 50 and 150 mg/kg) | NI | IGHV: IGHV3‐53, IGHV3‐66, IGHV2‐70 |
Fc‐dependent effector functions, including ADCC and ADCP | Therapeutic efficacy in golden hamster (50, 5, 0.5 mg/kg) | IGLV: IGVK1‐9, IGVK1‐33, IGVK1‐39 | ||||
54 , 53 | LY‐CoV555 | RBD | Yes | Prophylactic efficacy in rhesus macaques (2.5 mg/kg) | NI | NI |
Therapeutic efficacy in outpatients with mild or moderate COVID‐19 disease (2800 mg) | ||||||
111 | ‐ | RBD | Yes | NI | NI | NI |
112 | ‐ | RBD | Yes | NI | NI | IGHV:IGHV3‐53*01 |
IGLV: IGKV3‐30*01 | ||||||
34 | MAb 2–4 | RBD | Yes | Prophylactic efficacy in syrian hamster (1.5 mg/kg) | NI | IGHV: IGHV3‐30 |
IGLV:IGKV3‐20 | ||||||
50 | ‐ | RBD | Yes | NI | 1.8–15.6 | IGHV3‐64: IGKV1‐39 |
IGHV3‐53: IGKV3‐20 | ||||||
IGHV3‐53: IGKV1‐12 | ||||||
IGHV3‐66: IGKV3‐20 | ||||||
IGHV3‐23: IGLV3‐21 | ||||||
59 | CTP59 | RBD | Yes | Therapeutic efficacy in ferret, hamster, and rhesus monkey (3 and 30 mg/kg) | 0.027 | IGHV2‐70 |
77 | COV2‐2676, COV2‐4489 | NTD | Yes | Prophylactic and therapeutic efficacy in heterozygous K18‐hACE2 c57BL/6J mice (10 mg/kg) | NI |
|
33 | ‐ | Non‐RBD regions of S protein | NI | NI | NI | NI |
75 | ‐ | Non‐RBD regions of S protein | NI | NI | NI | NI |
74 | 4A8 | Non‐RBD regions of S1 subunit | NI | NI | 92.7 | NI |
Abbreviations: ACE2: Angiotensin‐converting enzyme 2, ADCC: Antibody‐dependent cellular cytotoxicity, ADCP: Antibody‐dependent cellular phagocytosis, IGHV: Immunoglobulin heavy chain variable region, IGLV: Immunoglobulin light chain variable region, NI: Not identified, nM: Nanomolar, NTD: N‐terminal domain, RBD: Receptor‐binding domain, S: spike.