Epilepsy trials in Bulgaria

In Bulgaria 7 Also abroad 451

7 trials · From ClinicalTrials.gov and EU CTIS (euclinicaltrials.eu), checked 10 November 2026. Ask the study team whether a trial fits you.

Phase 3Taking people
A Study to Evaluate XEN1101 as Adjunctive Therapy in Primary Generalized Tonic-Clonic Seizures
Where
Blagoevgrad, Sofia
Age
12 years and over
People
160 worldwide
Run by
Xenon Pharmaceuticals Inc.
See details and how to joinNCT05667142 · EU 2022-502286-16-00
Phase 3Taking people
A Randomized Study of XEN1101 Versus Placebo in Focal-Onset Seizures (X-TOLE3)
Where
Sofia
Age
18 years and over
People
360 worldwide
Run by
Xenon Pharmaceuticals Inc.
See details and how to joinNCT05716100 · EU 2022-502281-25-00
Phase 3Enrolling by invitation
An Open-label Study of XEN1101 in Epilepsy
Where
Blagoevgrad, Sofia
Age
12 years and over
People
880 worldwide
Run by
Xenon Pharmaceuticals Inc.
See details and how to joinNCT05718817 · EU 2022-502282-24-00
Phase 2Enrolling by invitation
SPN-817 Open-Label Extension Study in Adults With Focal Onset Seizures
Where
DO NOT EDIT
Age
18 years and over
People
100 worldwide
Run by
Supernus Pharmaceuticals, Inc.
See details and how to joinNCT07141329 · EU 2026-526361-15-00
Phase 3Taking people
Efficacy and Safety Study of Once-Daily Extended-Release Levetiracetam in Drug-resistant Focal Onset Seizures
Where
Blagoevgrad, Pleven, Plovdiv, Sofia, Sofiya, Varna
People
134 worldwide
Run by
Neuraxpharm Pharmaceuticals S.L.
See details and how to join2024-514499-42-00 · EU 2024-514499-42-00
Phase 2Taking people
RENAISSANCE 2: SPN-817 Phase 2, Double-Blind, Placebo-Controlled Study in Adults With Focal Onset Seizures
Where
Blagoevgrad, Pleven, Rousse, Sofia
Age
18 years to 70 years
People
216 worldwide
Run by
Supernus Pharmaceuticals, Inc.
See details and how to joinNCT06798896
Phase 2Taking people
SPN-817 Phase 2, Double-Blind, Placebo-Controlled Study in Adults with Focal Onset Seizures
Where
Blagoevgrad, Pleven, Ruse, Sofia
Age
18 years and over
People
110 worldwide
Run by
Supernus Pharmaceuticals Inc.
See details and how to join2025-520587-18-00 · EU 2025-520587-18-00