About this trial
The main aim is to evaluate the safety and tolerability of TAK-861 in participants with type 1 narcolepsy, who were exposed to previously tested doses of TAK-861.
Eligibility criteria
Qualifiers
None
Disqualifiers
Participant has a treatment-emergent adverse event (TEAE) that remains severe at the time of rollover related to the trial intervention from the parent trial or discontinued because of TEAEs in the parent trial.
Participant has a risk of suicide according to endorsement of item 4 or 5 on the Columbia Suicide Severity Rating Scale (C-SSRS).
The participant has alanine aminotransferase (ALT) and aspartate aminotransferase (AST) values greater than (>) 1.5 times the upper limit of normal (ULN).
Participant has a current medical disorder, other than narcolepsy with or without cataplexy, associated with excessive daytime sleepiness (EDS).
Trial design
Treatments tested in this trial
- TAK-861