Intervention: Lamotrigine
Trial phase: Phase 4
ATC code: N03AX09
SMILES: Nc1nnc(-c2cccc(Cl)c2Cl)c(N)n1
Sex: All
Age groups: Adult | Older Adult
Healthy volunteers: No
Participants at risk: 11
Group description: Participants received Lamotrigine tablets orally once daily up to 52 weeks in evenings or mornings (in case of non-tolerance) or the dose was administered twice daily if the morning dose was not tolerated.
Eligibility criteria:
Inclusion Criteria:

A subject will be eligible for inclusion in this study only if all of the following criteria apply:

completed 32 weeks of open label treatment in study SCA101469 and, in the investigators opinion, has responded to lamotrigine therapy
male or female subject

A female is eligible to enter and participate in this study if she is of:

non-childbearing potential (i.e., physiologically incapable of becoming pregnant, including any female who is post-menopausal or sterilised) or,

child-bearing potential, has a negative urine pregnancy test at screening, and agrees to one of the following contraceptive methods:

Complete abstinence from intercourse from 2 weeks prior to administration of the study drug, throughout the study, and for a time interval after completion of premature discontinuation from the study to account for elimination of the investigational drug (a minimum of 5 half-lives or longer if the pharmacodynamic profile of the investigational drug warrants a longer time period); or,
Sterilisation of male partner; or,
Implants of levonorgestrel; or,
Injectable progestogen; or,
Oral contraceptive (combined or progestogen only); or,
Any intrauterine device (IUD) with published data showing that the lowest expected failure rate is less than 1% per year (not all IUDs meet this criterion); or,
Any other methods with published data showing that the lowest expected failure rate for that method is less than 1% per year; or,

Barrier method only if used in combination with any of the above acceptable methods.

willing and able to give written informed consent to participate in the study.

Exclusion Criteria:

A subject will not be eligible for inclusion in this study if any of the following criteria apply:

subject experienced a 'mood episode' during participation in study SCA101469, or since completing participation in study SCA101469.
participation in a clinical drug trial other than SCA101469 within the past 30 days or previous participation in this clinical study
known hypersensitivity to lamotrigine
in the investigator's judgement, the subject poses a current serious suicidal or homicidal risk, or has made a suicide attempt within the past 6 months.
combination of carbamazepine and valproate
concurrent lamotrigine therapy, other than that commenced in study SCA101469
current or history of substance abuse
diagnosis of epilepsy
diagnosis or history of an obsessive-compulsive disorder, social phobia, or eating disorder
significant cardiac, renal, cerebrovascular, or hepatic condition; no significant abnormalities in the laboratory tests or ECG recording performed during study SCA101469.
unable to understand or implement instructions
unresolved drug related adverse event or serious adverse event occurring in study SCA101469