Clinical trials offer access to treatments not yet available through standard care. For some conditions — especially rare cancers and diseases that don't respond to current treatments — a trial might be your best option. But most patients never even explore this, often because nobody mentions it.

Finding relevant trials

The NIHR Be Part of Research website lists all active UK trials searchable by your condition. ClinicalTrials.gov shows international trials including those in the UK. Cancer Research UK has a dedicated trial search for cancer patients.

But searching databases is just the starting point. The eligibility criteria language is technical. A condition that sounds like yours might exclude you based on other factors. Or trials you'd never find might work for you if your condition fits molecular or genetic criteria they're looking for.

Why when you start treatment matters hugely

The biggest mistake: starting standard treatment before checking trial eligibility. Many trials require patients to be "treatment-naive" (meaning they haven't had certain therapies yet). Once you've started standard chemotherapy, you may be locked out of trials that could have been better.

The critical window is between diagnosis and starting treatment. That's when trial eligibility should be assessed. Not after you've already started standard treatment.

What being in a trial actually means

You're not a guinea pig. Advanced trials compare a new treatment against the current best treatment — so you'll get at least standard care. Monitoring is typically more frequent than standard treatment, so more check-ups and scans. You can stop at any time.

Real practical concerns exist — travel to trial sites, time off work, extra appointments. These should be weighed against potential benefit. But weigh them with full information, not dismissed because you're unfamiliar with trials.

Related: The First 7 Steps After a Cancer Diagnosis