Practice the decisions clinical trials depend on.

Realistic trial scenarios, every decision scored against ICH E6(R3) Good Clinical Practice. Free, in your language.

Run a research site? Add your team, assign practice, and keep a readiness record your monitor can read. Work in, or want to work in, clinical research? Practice real trial decisions, see where you are strong, and earn a credential an employer can verify. Plain-language guides to taking part in a trial are linked below.

Before you start

  • Free for learners, staff and sites
  • Works on a phone
  • In many languages
  • Built to be accessible

For research staff, students and clinicians

  • Practice Lab: Realistic trial decisions, each one scored against ICH E6(R3) Good Clinical Practice. No account needed to try one.
  • Courses: Courses on Good Clinical Practice and clinical research roles, in your language.
  • Career Path Finder: Answer a few questions and see which clinical research role fits your background.
  • Resume Optimizer: Turn your experience into a clinical research CV that names the skills employers look for.
  • Verify a credential: Check a CRLN credential at its public address, with no account.
  • CRLN expert network: Experienced clinical research professionals can start an assessment path toward paid expert work.

For research sites

  • Site portal: Add your team, assign practice and keep a readiness record your monitor can read. Free for your site, always.
  • Live team workshops: Run a practice session for your team on one screen while everyone answers on their phone with a code.
  • Help for sites: Step by step help for setting up your site and sending your staff one link.

The open standard and research

  • CRLN-TRG-001, the open standard: An open competency framework for clinical research roles that anyone may use under CC BY 4.0.
  • Who uses the standard: Organizations that have told us they use CRLN-TRG-001, listed in a public register.
  • Research and AI evaluation: A published protocol that scores AI models and human practitioners on the same clinical trial decisions. To have a model evaluated, talk to us.

Also from CRLN

  • For sponsors and CROs: talk to us: A study start readiness check that shows, by role, which decisions your site teams are likely to get wrong before activation.
  • Use CRLN in your course: Schools and training teams can add scored practice to their own course with a link, an iframe or a SCORM 1.2 package.
  • Why trust CRLN: How we handle data, who has agreed to be named, and what the standard is and is not.
  • Clinical trials, explained simply: Plain-language explanations of how clinical trials work, for patients and families.