The following section is intended to provide guidance to sponsors of clinical trials of PET ligands.
Do I need a CTA?
The following are fictitious examples of PET ligand trials to help you determine when a CTA is required
PET ligand trials
(21Kb)
What is in my CTA?
Key documents to be sent with your CTA submission:
- covering letter
- proof of payment
- receipt of confirmation of EudraCT number
- application form (and EudraCT XML file)
- clinical trial protocol with all amendments to date
- a summary of relevant data that support the use of the IMP in the clinical trial. This can be provided as an investigator’s brochure or may be incorporated into the protocol.
- full or simplified IMPD providing details on the manufacture of the active and placebo (if relevant) product
- examples of the label in the national language
- copy of the manufacturing authorisation(s) for the site(s) performing manufacture and/or assembly in order to modify the product
- TSE certificates (when applicable)
Mock IMPDs for marketed products that have been modified for use in the trial:
Mock IMPD for PET – non clinical
(110Kb)
Mock IMPD for PET - pharmaceutical
(174Kb)
Guidance on the dossier requirements for non-IMPs can be found in the following guidance document:
Guidance on Investigational Medicinal Products (IMPS) and 'Non Investigational Medicinal Products' (NIMPS) (Rev. 1,March 2011) (external link)

