| 39822-0617 | Colistimethate | colistimethate sodium | X-GEN Pharmaceuticals, Inc. | ANDA | Current |
| 45932-0023 | Colistimethate | colistimethate sodium | Xellia Pharmaceuticals ApS | ANDA | Current |
| 70594-023 | Colistimethate | Colistimethate Sodium | Xellia Pharmaceuticals USA LLC | ANDA | Current |
| 70594-023 | Colistimethate | Colistimethate Sodium | Xellia Pharmaceuticals USA LLC | ANDA | Current |
| 70594-023 | Colistimethate | Colistimethate Sodium | Xellia Pharmaceuticals USA LLC | ANDA | Current |
| 70594-023 | Colistimethate | colistimethate sodium | Xellia Pharmaceuticals USA LLC | ANDA | Current |