This study is for people with Major Depressive Disorder (MDD), which is a condition causing long-lasting sadness and loss of interest. The study checks how safe and okay it is to use a medicine called NBI-1065845 alongside other depression medicines. To join, you need to have been diagnosed with MDD and have been taking antidepressants for at least 8 weeks, but they didn't work well enough. You shouldn't have any other serious mental health diagnosis in the last year, and you must not be at risk of harming yourself or others.
- Duration: The study lasts long-term, but exact time isn't specified.
- Visits: You must follow all study procedures and restrictions.
- Risks: If you're at risk of suicide or harm, you can't join.