A Study to Evaluate the Safety, Tolerability, and Efficacy of SAGE-217 Compared to Placebo in Adult Participants With Comorbid Major Depressive Disorder (MDD) and Insomnia

A Randomized, Double-blind, Placebo-controlled Study of the Safety, Tolerability, and Efficacy of SAGE-217 Compared to Placebo in Adult Subjects With Comorbid Major Depressive Disorder and Insomnia

This study is a randomized, double-blind, placebo-controlled study of the safety, tolerability, and efficacy of SAGE-217 compared to placebo in adult participants with comorbid major depressive disorder (MDD) and insomnia.

This study was previously posted by Sage Therapeutics. In November 2023, sponsorship of the trial was transferred to Biogen.

Inclusion Criteria:

1. Participant had a diagnosis of MDD as diagnosed by structured clinical interview for diagnostic and statistical manual of mental disorders, fifth edition, clinical trials version (SCID-5-CT), with symptoms that have been present for at least a 4-week period.
2. Participant had a diagnosis of Insomnia that is confirmed at screening based on the diagnostic and statistical manual of mental disorders, fifth edition (DSM-5) diagnostic criteria using the SCID-5-CT.
3. Participant had an Insomnia Severity Index (ISI) score greater than or equal to (>=) 15 (moderate to severe insomnia).
4. Participant had a Montgomery-Åsberg Depression Rating Scale (MADRS) score of ≥28 prior to dosing and a Hamilton Rating Scale for Depression (HAM-D) total score of ≥20.

Exclusion Criteria:

1. Participant had attempted suicide associated within the current episode of MDD.
2. Participant had onset of the current depressive episode during pregnancy or 4 weeks postpartum, or the participant had presented for screening during the 6-month postpartum period.
3. Participant had a medical history of bipolar disorder, schizophrenia, and/or schizoaffective disorder.
4. Participant had a medical history of seizures.
5. Participant had active psychosis per Investigator assessment.