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Clinical trials and research at Xenon Pharmaceuticals Inc.

• 2Clinical trials
• 23Countries

All recruiting trials (2)

• Evaluating XEN1101 for Focal-Onset Seizures

  This study is testing if a new medication called XEN1101 can help people with focal-onset seizures when added to their current seizure treatments.

  Recruiting at 63 sites Phase 3 Xenon Pharmaceuticals Inc. · Little Rock, Arkansas and 102 other locations · NCT05716100

• Evaluating XEN1101 for treating primary generalized tonic-clonic seizures

  This study is testing a new medication called XEN1101 to see if it can help people aged 12 and older with primary generalized tonic-clonic seizures who are still having seizures despite taking other medications.

  Recruiting at 99 sites Phase 3 Xenon Pharmaceuticals Inc. · Mobile, Alabama and 140 other locations · NCT05667142

Quick answers

How many clinical trials run by Xenon Pharmaceuticals Inc. are recruiting right now?

2, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 23 countries. The most sites are in Argentina (2 trials), Australia (2 trials), Austria (2 trials), Belgium (2 trials), Bulgaria (2 trials). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 3: 2. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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