FDA pharmacologic class
Microtubule Inhibitor
4 medicines are in FDA's class of microtubule inhibitors: docetaxel (Beizray), paclitaxel (Abraxane), eribulin (Halaven) and tirbanibulin (Klisyri). 3 of the 4 are listed from generic labelers (FDA NDC Directory, October 8, 2026).
Which medicines are microtubule inhibitor?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Docetaxel | Beizray, Docivyx | 14 labelers | n/a | Yes | A presentation being discontinued | 7 |
| Paclitaxel | Abraxane | 19 labelers | n/a | Yes | No current entry | 2 |
| Eribulin | Halaven | 14 labelers | n/a | No | No current entry | 0 |
| Tirbanibulin | Klisyri | none listed | n/a | No | No current entry | 0 |
Source: FDA Established Pharmacologic Class (NDC Directory, openFDA); CMS NADAC of October 7, 2026; FDA shortages and recalls (FDA files October 8, 2026)