Funding of Phase 3 or Phase 4 Trials depends on the topic. Some topics might even require later phases of trials as well. Generally, it is possible to claim partial costs. Just make sure to explain how you will cover the remaining costs that won’t be requested from the EC, so it will be clear to the reviewers that you will be able to conduct the CT properly. If you will apply only for partial costs of the study in the scope of the EU project, e.g.