Low vs. Standard Daily Doses of Antiepileptic Drugs in Newly Diagnosed, Previously Untreated Epilepsy(STANDLOW)

Inclusion Criteria: 1. Age 18 years or older; 2. Newly diagnosed previously untreated epilepsy, defined according to the ILAE definition (Fisher et al, 2014); 3. Having experienced focal seizures, defined according to the ILAE criteria (Commission, 1981); 4. Able to understand and comply with the study requirements and release a written informed consent. Exclusion Criteria: A patient will be excluded if at least one of the following criteria will be met: 1. Age less than 18 years; 2. Having experienced primarily or secondarily generalized tonic and/or clonic seizures, or other (non-focal) seizure types; 3. Previous exposure to AEDs; 4. Requiring low or standard doses on account of individual needs; 5. Inability to understand the aims or modalities of the study; 6. Current pregnancy or planning to become pregnant during the study period (e.g. who are not post-menopausal, surgically sterile, or using inadequate birth control). A postmenopausal state is defined as no menses for 12 months without an alternative medical cause; 7. Previous treatment with an antiepileptic drug; 8. Men unable to practice contraception for the duration of the treatment. 9. Poor compliance with assigned treatments; 10. Refusal to release written informed consent; 11. The study investigators will receive the summary of product characteristics (SPC) available for each study drug. Patients cannot be enrolled in the study if the contraindications/warnings described in the SPC are met.