Epilepsy trials in Portugal

In Portugal 6 Also abroad 452

6 trials · From ClinicalTrials.gov, checked 11 November 2026. Ask the study team whether a trial fits you.

Phase 3Taking people
Investigate Efficacy and Safety of Carisbamate as Adjunctive Treatment for Seizures Associated With LGS in Children and Adults
Where
Almada, Lisbon, Porto
Age
4 years to 55 years
People
252 worldwide
Run by
SK Life Science, Inc.
See details and how to joinNCT05219617
Phase 3Taking people
A Study to Evaluate XEN1101 as Adjunctive Therapy in Primary Generalized Tonic-Clonic Seizures
Where
Coimbra, Guimarães, Lisbon, Santa Maria Da Feira, Senhora Da Hora
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
Coimbra, Guimarães, Lisbon, Porto, Santa Maria Da Feira, Senhora Da Hora, Vila Real
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
Coimbra, Guimarães, Lisbon, Porto, Santa Maria Da Feira, Senhora Da Hora, Vila Real
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 3Enrolling by invitation
A Study to Investigate LP352 in Children and Adults With Developmental and Epileptic Encephalopathy (DEE)
Where
Coimbra, Lisbon, Porto
Age
2 years to 66 years
People
324 worldwide
Run by
Longboard Pharmaceuticals
See details and how to joinNCT06908226 · EU 2024-514974-39-00
Phase 2Enrolling by invitation
Long-term Safety and Tolerability of BHV-7000
Where
Braga, Coimbra, Lisbon, Matosinhos, Santa Maria Da Feira
Age
18 years to 75 years
People
660 worldwide
Run by
Biohaven Therapeutics Ltd.
See details and how to joinNCT06443463 · EU 2023-508813-18-00