This Web Page is intended to assist you in using the correct common toxicity criteria. In the protocol it is clearly stated which version of the CTC has to be used. It is of utmost importance that consistency is kept in each protocol in order to have a correct interpretation of the collected data.
The different versions used at this moment are also available on the US NCI CTEP website
| Version | Date | Documents |
| 1994 | 1994 | |
| V 2.0 | 1999 | |
| V 3.0 | 2006 | |
| V 4.0 | 2009 | |
| V 5.0 | 2017 | |
Any questions concerning the CTC can be directed to the EORTC Pharmacovigilance Unit at pharmacovigilance[ at ]eortc.be