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A multicenter, randomized, double-blind, placebo-controlled, phase 3 trial, aim to evaluate the efficacy and safety of dextromethorphan and bupropion sustained-release tablets in Chinese adult patients with major depressive disorder.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Dextromethorphan and Bupropion | Experimental |
| |
| Placebo | Placebo Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dextromethorphan and Bupropion Sustained-Release Tablets | Drug | Oral dextromethorphan and bupropion sustained-release tablets, taken daily for 6 weeks. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in MADRS Total Score From Baseline to Week 6 | The MADRS is a 10-item scale and items are scored between 0-6 points. For each item, a score of 0 indicates the absence of symptoms, and a score of 6 indicates symptoms of maximum severity. A maximum total score is 60 points. | 6 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Treatment response rate (the proportion of participants whose total score on the Montgomery-Åsberg Depression Rating Scale (MADRS) has improved by ≥ 50% compared to the baseline at the 6th week after administration) | The minimum MARDS score is 0, and the maximum score is 60. The higher the total score, the more severe the patient's depressive symptoms are. | 2 weeks |
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Inclusion Criteria:
Exclusion Criteria:
1. The researchers determined that it was refractory depression [defined as in a current depressive episode or a previous depressive episode, After 2 or more antidepressants, a sufficient amount (in the maximum recommendation of the manual), a course of foot therapy (at least even Continued medication for 4-6 weeks) ineffective after treatment] 2. The MADRS score improved by ≥ 25% at baseline compared with the screening period.
3. Hospitalization in a psychiatric hospital during a current depressive episode 4. There is a clinically significant risk of suicide or self-harm and harm to others 5. Screening patients tested positive for substance abuse 6. In the investigator's judgment, there are any clinically significant oncology, hematology, or internal diseases that are not suitable for entry into the study Secretory/metabolic, cardiovascular, respiratory, kidney, liver, gastrointestinal, infectious or nervous system fever Or suffer from an unstable or progressive chronic disease 7. hypertension 8. Hypothyroidism or hyperthyroidism, except for the following cases: receiving stable medication with no change in dose for at least 1 month before screening (serum TSH must be > 0.75×LLN（ Lower Limit of Normal ） and < 1.25×ULN（Upper Limit of Normal ）) 9 Bupropion, dextromethorphan, opioids (such as codeine), or any of the study drugs Allergic to other ingredients 10. Presence of a history of intolerance to bupropion or dextromethorphan 11. People living with HIV, or testing positive for HIV during screening 12. Screening period hepatitis virology test positive 13. Liver enzyme test results during the screening period (total bilirubin, aspartate aminotransferase and/or alanine aminotransferase) > 2.0 × ULN 14. According to the investigator's judgment, other conditions are not suitable for participating in this clinical study
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Clinical Trials Information Group officer | Contact | 86-0311-69085587 | ctr-contact@cspc.cn |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Beijing Anding Hospital Affiliated to Capital Medical University | Recruiting | Beijing | Beijing Municipality | 100088 | China |
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Parallel Assignment
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| Placebo | Drug | Oral placebo tablets, taken daily for 6 weeks. |
|
| Clinical cure rate (the proportion of participants with a total score of the Montgomery-Åsberg Depression Rating Scale (MADRS) ≤ 10 at the 2nd week after administration) | The minimum MARDS score is 0, and the maximum score is 60. The higher the total score, the more severe the patient's depressive symptoms are. | 6 weeks |
| Proportion of participants with a ≥ 30% improvement in total MADRS scores from baseline at week 6 after administration | The minimum MARDS score is 0, and the maximum score is 60. The higher the total score, the more severe the patient's depressive symptoms are. | 6 weeks |
| PGI-I score at week 6 after administration | （PGI-I：Patient Global Impression - Improvement）The minimum PGI-I score is 0, and the maximum score is 7 The higher the score, the more severe the degree of deterioration, while the lower the score, the better the improvement. | 6 weeks |
| CGI-I score (Week 1, Week 2, Week 3, Week 4, Week 6) | CGI-I：Clinical Global Impressions - Improvement. The minimum CGI-I score is 1, and the maximum score is 7. The higher the score, the more severe the degree of deterioration, while the lower the score, the better the improvement. | 1，2，3，4，6 weeks |
| Changes in CGI-S score from baseline to week 6 | CGI-S（Clinical Global Impressions-Severity）: The minimum CGI-S score is 0, and the maximum score is 7. The lower the score, the closer the patient's condition is to the normal state, while the higher the score, the more severe the condition. | 6 weeks |
| Change in QIDS-SR-16 score from baseline to Week 6 | QIDS-SR-16（Quick Inventory of Depressive Symptomatology - Self-Report, 16-Item）：The minimum QIDS-SR-16 score is 0, and the maximum score is 27. The lower the score, the milder the depressive symptoms are, while the higher the score, the more severe the depressive symptoms are. | 6 weeks |
| Change in SDS score from baseline to Week 6 | SDS（Self-Rating Depression Scale）：The minimum SDS score is 0, and the maximum score is 30. In the assessment, the lower the standard score, the milder the depressive state, and vice versa. | 6 weeks |
| Incidence of adve rse events | Unit: % (proportion of participants experiencing adverse events to the total number of enrolled participants) | Within 7 weeks |
| Incidence of serious adverse events | Unit: % (proportion of participants experiencing serious adverse events to the total number of enrolled participants) | Within 7 weeks |
| Proportion of participants with significant abnormalities in vital signs | Unit: % (proportion of participants with significant vital sign abnormalities to the total number of enrolled participants)
| Within 7 weeks |
| Proportion of participants with significant abnormalities in physical examination results |
| Within 7 weeks |
| Proportion of participants with abnormal electrocardiogram (ECG) parameters | (The number of participants with significantly abnormal heart rate, respiratory rate (RR), PR interval, QRS duration, QT interval, and QTcF (in this study, the QT interval was corrected using Fridericia's formula).) o Unit: % (proportion of participants with abnormal ECG parameters to the total number of enrolled participants) | Within 7 weeks |
| Proportion of participants with significant abnormalities in laboratory test results | o Unit: % (proportion of participants with significant laboratory test abnormalities to the total number of enrolled participants) | Within 7 weeks |
| Incidence of suicidal ideation and behavior assessed by C-SSRS（Columbia Suicide Severity Rating Scale），It can comprehensively assess the individual's suicide risk level. The higher the score, the higher the suicide risk. |
| Within 7 weeks |
| Withdrawal responses as assessed by the PWC-20 | （Physician Withdrawal Checklist - 20）scale(The minimum PWC-20 score is 0, and the maximum score is 60. The higher the score, the more severe the condition.) | 7 weeks |
| ID | Term |
|---|---|
| D003865 | Depressive Disorder, Major |
| ID | Term |
|---|---|
| D003866 | Depressive Disorder |
| D019964 | Mood Disorders |
| D001523 | Mental Disorders |
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| ID | Term |
|---|---|
| D003915 | Dextromethorphan |
| ID | Term |
|---|---|
| D009019 | Morphinans |
| D053610 | Opiate Alkaloids |
| D000470 | Alkaloids |
| D006571 | Heterocyclic Compounds |
| D006572 | Heterocyclic Compounds, Bridged-Ring |
| D006576 | Heterocyclic Compounds, 4 or More Rings |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D010616 | Phenanthrenes |
| D011084 | Polycyclic Aromatic Hydrocarbons |
| D011083 | Polycyclic Compounds |
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