Assessing Symptomatic Clinical Episodes in Depression (ASCEND)
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ClinicalTrials.gov Identifier: NCT03595579 |
Recruitment Status :
Completed
First Posted : July 23, 2018
Last Update Posted : April 2, 2021
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Major Depressive Disorder | Drug: AXS-05 Drug: Bupropion | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 97 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Randomized, Double-Blind, Active-Controlled Trial of AXS-05 Administered Orally to Subjects With Major Depressive Disorder |
Actual Study Start Date : | May 30, 2018 |
Actual Primary Completion Date : | January 7, 2019 |
Actual Study Completion Date : | January 7, 2019 |

Arm | Intervention/treatment |
---|---|
Experimental: AXS-05 |
Drug: AXS-05
AXS-05 taken twice daily for 6 weeks. |
Active Comparator: Bupropion |
Drug: Bupropion
Bupropion taken twice daily for 6 weeks. |
- Safety outcomes: types and rates of adverse events; discontinuations due to adverse events. [ Time Frame: 6 weeks ]
- Montgomery and Asberg Depression Rating Scale (MADRS) for change in severity of symptoms. [ Time Frame: 6 weeks ]
- Clinical Global Impression of Severity of Illness (CGI-S) for change in severity of symptoms. [ Time Frame: 6 weeks ]
- Clinical Global Impression of Improvement of Illness (CGI-I) for change in improvement of disease state. [ Time Frame: 6 weeks ]
- Quick Inventory of Depressive Symptomology - Self-Rated (QIDS-SR-16) for change in subject-rated depressive symptomology. [ Time Frame: 6 weeks ]

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Ages Eligible for Study: | 18 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Currently meets DSM-5 criteria for MDD
- Body mass index (BMI) between 18 and 40 kg/m^2, inclusive
- Agree to use adequate method of contraception for the duration of the study
- Additional criteria may apply
Exclusion Criteria:
- Suicide risk
- History of treatment resistance in current depressive episode
- History of electroconvulsive therapy, vagus nerve stimulation, transcranial magnetic stimulation or any experimental central nervous system treatment during the current episode or in the past 6 months
- Pregnant, breastfeeding, or planning to become pregnant or breastfeed during the study
- Additional criteria may apply

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03595579
United States, California | |
Clinical Research Site | |
Beverly Hills, California, United States, 90210 | |
United States, Florida | |
Clinical Research Site | |
Jacksonville, Florida, United States, 32256 | |
Clinical Research Site | |
Orlando, Florida, United States, 32801 | |
United States, Washington | |
Clinical Research Site | |
Bellevue, Washington, United States, 98007 |
Responsible Party: | Axsome Therapeutics, Inc. |
ClinicalTrials.gov Identifier: | NCT03595579 |
Other Study ID Numbers: |
AXS-05-MDD-201 |
First Posted: | July 23, 2018 Key Record Dates |
Last Update Posted: | April 2, 2021 |
Last Verified: | March 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | via publication |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
AXS-05 Major Depressive Disorder MDD Axsome Depression |
Dextromethorphan Bupropion Sigma-1 NDMA ASCEND |
Depressive Disorder Depression Depressive Disorder, Major Mood Disorders Mental Disorders Behavioral Symptoms Bupropion Antidepressive Agents, Second-Generation Antidepressive Agents Psychotropic Drugs |
Dopamine Uptake Inhibitors Neurotransmitter Uptake Inhibitors Membrane Transport Modulators Molecular Mechanisms of Pharmacological Action Dopamine Agents Neurotransmitter Agents Physiological Effects of Drugs Cytochrome P-450 CYP2D6 Inhibitors Cytochrome P-450 Enzyme Inhibitors Enzyme Inhibitors |