Table 2. RSV fusion inhibitors.
| Compound | Company | a F1 Interaction | Structure | Route of administration | Sub-group | Model | Reference |
|---|---|---|---|---|---|---|---|
| TMC-353121 | Johnson & Johnson/Tibotec | Hydrophobic cavity on bHR1 surface of c6HB | Benzimidazole derivatives | Inhaled/oral | A/B | Cotton rat | [56, 108, 109] |
| VP-14637 | ViroPharma Inc/RSVCO | Hydrophobic cavity on HR1 surface of 6HB; similar mechanism to TMC-353121 | Triphenolic compound | Inhaled | A/B | Cotton rat/humans | [56, 110, 111, 120] |
| BMS-433771 | Bristol-Myers Squibb | Hydrophobic cavity on surface of HR1 trimeric coiled-coil | Benzimidazole derivatives | Oral | A/B | Cotton rat/mice | [110, 121] |
| RFI-641 | Wyeth Research | Interacts with F-protein in its native state | Disulfonated stilbene | Inhaled | A/B | Mice/African green monkeys/humans | [122] |
| BTA9881 | Biota Holdings Limited/AstraZeneca | Inhibition of F protein assumed based on inhibition of syncytium formation | Imidazoiso-indolone derivative | Oral | A/B | Rodents/humans | [123, 124] |
F1 - Fusion 1 protein; HR – Heptad repeat; 6HB – Six-helix bundle.