Recruiting*
Phase 3*Leeds / 40–70*View studyCurrently listed / examples
Studies with useful first facts.
Every real record needs verified status, sponsor, phase, location, age range, update date and complete eligibility information.
Recruiting*
Phase 2*Bristol / 18–65*View studyPreventive migraine treatment study
Screening*
Phase 4*London / 45–80*View studyKnee osteoarthritis mobility study
Plain-language guide01 02 03 04
What trial phases generally mean.
Early evaluation
Often explores safety, dose and how an intervention behaves in a small group.
Initial evidence
Examines possible benefit and continues to assess risks and dosing.
Larger comparison
Studies effectiveness and safety in a broader group, often against current care.
After authorization
May study longer-term use, different populations or real-world outcomes.
Participation pathway
Eligibility is a conversation, not a quiz result.
Only the responsible research team can assess complete criteria and discuss whether participation may be suitable.
01Read the verified study summary and alternatives
02Choose whether to contact the research team
03Ask questions in an initial private conversation
04Review complete participant information and consent
05Decide freely; participation is voluntary
Your questions matter
Before you decide.
Ask about the study purpose, visits, procedures, possible benefits and risks, other options, expenses, data use, withdrawal, contacts and what happens after the study.
Download question guideExample locations
Know who operates each site.
Location records should state
Operating organization, address, accessibility, transport, hours, study contacts and update date.
North Leeds*
Example research clinic
Step-free access*
Central Bristol*
Example study site
Near rail services*
South London*
Example outpatient site
Parking information*
Patient questions
Start with clear answers.
Does searching mean I am eligible?
No. Search results only help you find information. Eligibility requires review by the responsible research team.
Can I leave a study?
Participation is voluntary. Complete participant information should explain withdrawal, follow-up and any practical consequences.
Who can see my information?
The study team must explain what is collected, why, who receives it, how it is protected and how long it is retained.