Study to Evaluate TNX-601 ER Monotherapy Versus Placebo in Patients With Major Depressive Disorder (MDD) (UPLIFT)
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ClinicalTrials.gov Identifier: NCT05686408 |
Recruitment Status :
Recruiting
First Posted : January 17, 2023
Last Update Posted : March 15, 2023
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Condition or disease | Intervention/treatment | Phase |
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Depression Depressive Disorder Depressive Symptoms Depressive Disorder, Major Depressive Episode Depression Severe | Drug: TNX-601 ER Drug: Placebo | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 300 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Phase 2, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate the Efficacy, Safety, and Tolerability of TNX-601 ER Monotherapy Versus Placebo in Patients With Major Depressive Disorder (MDD) |
Actual Study Start Date : | March 2, 2023 |
Estimated Primary Completion Date : | May 2024 |
Estimated Study Completion Date : | May 2024 |

Arm | Intervention/treatment |
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Experimental: TNX-601 ER, 39.4 mg
1x TNX-601 ER, 39.4 mg, pill taken orally once daily for 6 weeks.
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Drug: TNX-601 ER
Patients will take 1 pill orally once daily for 6 weeks.
Other Name: Tianeptine |
Placebo Comparator: Placebo
Placebo pill taken orally once daily for 6 weeks.
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Drug: Placebo
Patients will take 1 pill orally once daily for 6 weeks. |
- Montgomery Asberg Depression Rating Scale (MADRS) [ Time Frame: Day 1 and Week 6 ]Change from Baseline (Visit 2) in the MADRS total score at Week 6. Scores range from 0 to 60. Lower scores indicate less depression.
- Clinical Global Impression of Severity (CGI-S) [ Time Frame: Day 1 and Week 6 ]Change from Baseline (Visit 2) in the Clinical Global Impression of Severity Scale (CGI-S) score at Week 6. Scores range from 1 to 7. Lower scores indicate less severe illness.
- Sheehan Disability Scale (SDS) [ Time Frame: Day 1 and Week 6 ]Change from Baseline (Visit 2) in the Sheehan Disability Scale (SDS) total score at Week 6. Scores range from 0 to 30. Lower scores indicate less impairment to activities.

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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:
- Female or male aged 18 to 65 years (inclusive).
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Have a primary DSM-5 diagnosis of current MDD.
- The duration of the current MDE must be at least 12 weeks.
- Without psychotic or catatonic features.
Exclusion Criteria:
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Psychiatric History:
- Diagnosis of DSM-5-defined lifetime bipolar disorder (I, II, or unspecified), schizophrenia, schizoaffective disorder, MDD with psychotic features, other psychotic disorder, or antisocial personality disorder; current (past month) obsessive-compulsive disorder; current (past month) posttraumatic stress disorder; current (past 3 months) anorexia nervosa; lifetime opioid or lifetime sedative-hypnotic use disorders, as confirmed by the MINI 7.0.2.
- Diagnosis of borderline personality disorder
- Patients with comorbid generalized anxiety disorder (GAD), social anxiety disorder (SAD), or panic disorder are excluded only if the GAD, SAD, or panic disorder is considered the primary psychiatric diagnosis, rather than MDD. (If MDD is the primary diagnosis, patients with comorbid GAD, SAD, and panic disorder are allowed for randomization).
- Patients with treatment refractory MDD, ie, previously having in their lifetime failed ≥2 treatments with at least 2 different classes of antidepressants of adequate dose, duration, and treatment adherence

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): NCT05686408
Contact: Project Manager | 212-980-9155 | ashild.peters@tonixpharma.com |
United States, Florida | |
Clinical Neuroscience Solutions, Inc | Recruiting |
Orlando, Florida, United States, 32801 | |
Contact: Ashild Peters 619-991-0553 ashild.peters@tonixpharma.com |
Study Director: | Gregory Sullivan, MD | Tonix Pharmaceuticals |
Responsible Party: | Tonix Pharmaceuticals, Inc. |
ClinicalTrials.gov Identifier: | NCT05686408 |
Other Study ID Numbers: |
TNX-TI-M201 |
First Posted: | January 17, 2023 Key Record Dates |
Last Update Posted: | March 15, 2023 |
Last Verified: | March 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Disease Depression Depressive Disorder Depressive Disorder, Major Pathologic Processes Behavioral Symptoms |
Mood Disorders Mental Disorders Tianeptine Antidepressive Agents, Tricyclic Antidepressive Agents Psychotropic Drugs |