ALTO-300 in Depression

Launched by ALTO NEUROSCIENCE · Nov 2, 2021

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Eligibility criteria

• Inclusion Criteria:
• • have a diagnosis of MDD based on the Structured Clinical Interview for DSM-5 (SCID) for depression
• • have moderate to severe depression on DSM-5 depression criteria items, as assessed by a score of ≥10 on the Patient Health Questionnaire-9 (PHQ-9) at each of Visits 1, 2, and 3
• • at baseline (Visit 2) are taking a stable dose of a single SSRI, serotonin-norepinephrine reuptake inhibitor (SNRI), or bupropion and have been on that medication for ≥6 weeks at an adequate dosage defined by the Antidepressant Treatment Response Questionnaire (ATRQ), and with no modification to dosage for ≥2 weeks.
• • have either: had a continuous period of euthymia of at least 2 months in the past 26 months, regardless of the number of failed antidepressants OR not had a period of euthymia of at least 2 months in the past 26 months but within the past 24 months have not failed \>3 antidepressants at an adequate dosage and duration as defined by the ATRQ
• • are currently on their last failed currently prescribed permitted baseline antidepressant medication
• • have a response to their currently prescribed antidepressant noted as depression that has improved ≤49% as defined by the ATRQ.
• • agree to, and are eligible for all biomarker assessments (EEG, neurocognitive testing, activity and sleep monitoring, genetic testing). To participate in the activity and sleep monitoring biomarkers, all participants will be required to have a smart phone or an internet enabled tablet. A participant who otherwise qualifies may refuse the salivary genetic sample and be included in the study.
• • fluent in English
• • willing to comply with all study procedures (with the notes above), able to complete all assessments independently, and available for the duration of the study.
• Exclusion Criteria:
• Any of the following medical conditions:
• • hepatic impairment (i.e., cirrhosis or active/chronic liver disease)
• • baseline serum transaminase levels that exceed 2x upper limit of normal(ULN)
• • severe impediment to vision, hearing, comprehension, and/or hand movement that interferes with study tasks.
• • any contraindications to EEG (i.e., requiring high concentration oxygen)
• • active suicidal ideation as assessed by the investigator.
• • moderate to severe Alcohol Use Disorder (AUD)
• Concurrent use of any of the following at baseline (Visit 2):
• • tricyclic antidepressants (TCAs), mirtazapine, or monoamine oxidase inhibitors (MAOIs)
• • melatonin, ramelteon, or other melatonin agonist
• • a potent CYP1A2 inhibitor (e.g., fluvoxamine and ciprofloxacin)
• • antipsychotics or mood stabilizers
• • hypnotics, anxiolytics, stimulants, or opiate pain medications greater than three days per week and unable to reduce use to 3 or fewer days per week on an as needed basis
• • Have received electroconvulsive therapy (ECT), deep brain stimulation (DBS),vagus nerve stimulation (VNS), \>2 treatments with ketamine, or esketamine in thecurrent depressive episode.
• • Diagnosis of bipolar disorder or a psychotic disorder based on the SCID forDSM-5