Trials in Europe
In the European Union, clinical trials follow common rules and are published on a public portal (CTIS). The EMA oversees this system.

01Short answer
02Simple explanation
A single portal.
EMA oversight.
Multi-country trials.
A travel plan.
03Scientific explanation
EMA: in the EU, clinical trials follow common rules that protect participants.
NCI: new treatments are tested step by step, from the laboratory to clinical trials; only those proven safe and beneficial become standard care.
04What happens in the body?
Searching
The CTIS portal and WHO ICTRP.

Travel
Clarify insurance and follow-up.

How to read the news
Research news brings hope, but not every advance suits everyone. Look at who it was tested in, at what phase and in how many people.
Talk to your doctor
Show your doctor what you have read; they will explain how it relates to your diagnosis and treatment. Do not change your treatment on your own.
05From research news to a conversation: four steps
Read, check, ask, decide together.







06Key points at a glance
| Topic | In brief |
|---|---|
Searching | The CTIS portal and WHO ICTRP. |
Travel | Clarify insurance and follow-up. |
How to read the news | Research news brings hope, but not every advance suits everyone. Look at who it was tested in, at what phase and in how many people. |
Talk to your doctor | Show your doctor what you have read; they will explain how it relates to your diagnosis and treatment. Do not change your treatment on your own. |
07Key terms
- CTIS
- The EU Clinical Trials Information System.
- EMA
- European Medicines Agency.
- Clinical trial
- Testing a new treatment with volunteers.
- Evidence
- A result confirmed by reliable research.
08Key points
- Learn.
- Ask your doctor.
- Write it down.
- Check the source.
- Talk to your doctor.
09Frequently asked questions
Can a non-EU citizen join?
Sometimes; ask the centre.
What language is the information in?
Often English and the local language.
Is this advance right for me?
Only your treating doctor can say, based on your diagnosis, stage and condition.
10Questions for your doctor
Take these questions to your appointment. The ones you save are collected on the “My questions” page and stay on this device only.
Can a non-EU citizen join?
What language is the information in?
Is this advance right for me?
12Sources
- European Union. EU Clinical Trials (CTIS public portal)
- European Medicines Agency. Clinical trials in human medicines
- World Health Organization. International Clinical Trials Registry Platform
- National Cancer Institute. What Are Clinical Trials?
- National Cancer Institute. Phases of Clinical Trials
- National Cancer Institute. Using Trusted Resources
- National Cancer Institute. NCI Dictionary of Cancer Terms: informed consent
- NIHR. Be Part of Research
- NHS. Clinical trials
- Cancer Research UK. Find a clinical trial
Searching
How to read the news
Talk to your doctor