Depressive Disorder, MajorPhase 2/3NCT04984512
The Efficacy And Safety Of Mitizodone Phosphate Tablets In The Treatment of Patient With Major Depressive Disorder
A Phase 2/3 study testing Mitizodone Phosphate tablets in people with Depressive Disorder, Major, run by Sunshine Lake Pharma Co., Ltd. at 1 site in China.
Trial summary
This is a phase 2 and 3 adaptive design study for Mitizodone Phosphate,to find out an optimal dose in phase 2 period and confirm the result an efficacy and safety in phase 3 period.Dose-finding will be done after 8 weeks of double-blinded treatment in phase 2 period and will be assessed by both efficacy and safety… Read more about this study
- Who is it for?
- Ages 18 to 65 years
- Conditions the study is for
- Depressive Disorder, Major
- What is being tested?
- Mitizodone Phosphate tablets
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 600 participants
- Where
- 1 siteChina
- Study dates
- 14 Dec 2021to Nov 2027
- Phase
- Phase 2/3
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 65 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- 1.a Man or a woman with major depressive disorder(MDD) as the primary diagnosis according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria (classification code 296.22、296.23、296.32、296.33)
- 2.Has a Montgomery Åsberg Depression Rating Scale (MADRS) total score of 26 or greater at Screening and Baseline Visits.
- 3.Has a Clinical Global Impression - Severity of Illness (CGI-S) score of 4 or greater at Screening and Baseline Visits.
Who cannot join
- 1.has major depressive disorder with psychotic features according to the DSM-5.
- 2.Current or history of: bipolar disorder、schizophrenia、anixety disorder、insomnia、any substance abuse or dependence and other psychiatry disorder as defined in the DSM-5.
- 3.Current or history of a clinically significant neurological disorder (including epilepsy、Alzheimer disease, Parkinson disease, multiple sclerosis, Huntington disease).
- 4. has Serious body disease such as neurological disorders、cardiacvascular disorders、hepatic disorders、 renal disorders, blood system disorders and endocrine disorders.
- 5. Current or history of cancer( except basal cell of the skin and preinvasive carcinoma of cervix uteri).
- 6. Current or history of angle-closure glaucoma.
Show all 15Show fewer
- 7. has made a suicide behavior in the previous 1 year ，or has a score greater than or equal to 4 on item 10 (suicidal thoughts) of MADRS .
- 8.has taken fluoxetine within 4 weeks prior to initial dosing.
- 9. has taken other antidepressive medications or antipsychotic medications within 2 weeks prior to initial dosing.
- 10.has psychotherap at Screening and/or Baseline Visits.
- 11.has had physiotherapy within 3 months prior to initial dosing.
- 12.Has an alanine aminotransferase, aspartate aminotransferase or total bilirubin level greater than 1.5 times the upper limits of normal.
- 13.Has an alanine aminotransferase, aspartate aminotransferase level greater than 2 times the upper limits of normal；or total bilirubin， direct bilirubin，creatinine level greater than 1.5 times the upper limits of normal；or a thyroid stimulating hormone value outside the normal range.
- 14.Has an abnormal electrocardiogram confirmed as clinically significant by the investigator.
- 15.Has a history of severe allergies.
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
China1 site, 1 recruiting
- Recruiting
Sunshine Lake Pharma Co., Ltd.
Dongguan, Guangdong, 523871
Li Xue, +8676985315888, lixuelc@hec.cn
About this study
Official title: A Phase II/III ,Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled, Adaptive Design Study Evaluating the Efficacy And Safety of Mitizodone Phosphate Tablets in the Treatment of Patient With Major Depressive Disorder
This is a phase 2 and 3 adaptive design study for Mitizodone Phosphate,to find out an optimal dose in phase 2 period and confirm the result an efficacy and safety in phase 3 period.Dose-finding will be done after 8 weeks of double-blinded treatment in phase 2 period and will be assessed by both efficacy and safety from 3 dose groups of Mitizodone Phosphate.The dose be found in phase 2 period will be evaluated on efficacy and safety when compared with placebo in phase 3 period with a duration of 8 weeks treatment.The target subjects are patients with MDD.
- Conditions
- Depressive Disorder, Major
- Being tested
- Mitizodone Phosphate tablets, Placebo-matching tablets
- Medical subject headings
- Depressive Disorder, Major
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Mitizodone Phosphate tabletsDrug
Also called HEC113995PA•H2O
Mitizodone Phosphate tablets will be administered with food.
Placebo-matching tabletsDrug
Placebo will be administered with food.
| Study group | Role | What they receive |
|---|---|---|
| Mitizodone Phosphate tablet 10mg | Experimental | Mitizodone Phosphate tablet 10mg ,orally,once daily for 8 weeks, then placebo,orally,once daily for 2 weeks. Receives: Drug: Mitizodone Phosphate tablets |
| Mitizodone Phosphate tablet 20mg | Experimental | Mitizodone Phosphate tablet 10mg ,orally,once daily for 1 weeks, then Mitizodone Phosphate tablet 20mg ,orally,once daily for 7 weeks, then Mitizodone Phosphate tablet 10mg ,orally,once daily for 1 weeks, then placebo,orally,once daily for 1 weeks. Receives: Drug: Mitizodone Phosphate tablets |
| Mitizodone Phosphate tablet 40mg | Experimental | Mitizodone Phosphate tablet 10mg ,orally,once daily for 1 weeks, then Mitizodone Phosphate tablet 20mg ,orally,once daily for 1 weeks, then Mitizodone Phosphate tablet 40mg ,orally,once daily for 6 weeks, then Mitizodone Phosphate tablet 20mg ,orally,once daily for 1 weeks, then Mitizodone Phosphate tablet 10mg ,orally,once daily for 1 weeks. Receives: Drug: Mitizodone Phosphate tablets |
| Placebo | Active comparator | Placebo,tablet,orally,once daily for 10 weeks. Receives: Drug: Placebo-matching tablets |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change From Baseline in the Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score at week 8
The MADRS is a depression rating scale consisting of 10 items, each rated 0 (normal) to 6 (most abnormal). The 10 items represent the core symptoms of depressive illness. The overall score ranges from 0 (symptoms absent) to 60 (severe depression). A decrease in the total score or on individual items indicates improvement.
Measured: baseline and week 8
Secondary outcomes (6)
Percentage of subjects With a MADRS Response at Week 8
Response is defined as a subject with a ≥50% decrease in Montgomery Åsberg Depression Rating Scale (MADRS) total score from Baseline.
Measured: baseline and week 8
Percentage of Participants in MADRS Remission at Week 8
Remission is defined as a participant with a Montgomery Åsberg Depression Rating Scale (MADRS) total score ≤10.
Measured: week 8
Change From Baseline in the Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score at week 1、week 2 、week 4、week 6.
The MADRS is a depression rating scale consisting of 10 items, each rated 0 (normal) to 6 (most abnormal). The 10 items represent the core symptoms of depressive illness. The overall score ranges from 0 (symptoms absent) to 60 (severe depression). A decrease in the total score or on individual items indicates improvement.
Measured: baseline 、 week 1、week 2 、week 4 and week 6.
Change From Baseline in the Clinical Global Impression - Severity of illness (CGI-S) Total Score at week 1、week 2 、week 4、week 6、week 8.
The Clinical Global Impression-Severity of illness scale assesses the subject's Severity as assessed by the clinician at the moment on a 8-point scale: 0, not assessed ; 1, normal，not at all ill ; 2, borderline mentally ill ; 3, mildly ill ; 4, moderately ill ; 5 , markedly ill ; 6, severely ill；7，among the most extremely ill patients.
Measured: baseline、week 1、week 2 、week 4、week 6 and week 8.
Clinical Global Impression - Improvement (CGI-I) Score at week 1、week 2 、week 4、week 6、Week 8
The Clinical Global Impression- Improvement scale assesses the subject's improvement (or worsening) as assessed by the clinician relative to Baseline on a 8-point scale: 0, not assessed ;1, very much improved; 2, much improved; 3, minimally improved; 4, no change; 5, minimally worse; 6, much worse; or 7, very much worse.
Measured: week 1、week 2 、week 4、week 6 and week 8.
Change From Baseline in the hamilton anxiety rating scale （HAM-A）Total Score at week 1、week 2 、week 4、week 6、week 8.
the HAM-A is a anxiety rating scale consisting of 14 items, each rated 0 (none) to 4 (very severe). The 14 items represent the core symptoms of anxiety illness. The overall score ranges from 0 (symptoms absent) to 56 (severe anxiety). A decrease in the total score or on individual items indicates improvement.
Measured: baseline、week 1、week 2 、week 4、week 6 and week 8.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted30 Jul 2021
- Study start14 Dec 2021
- Primary completionJul 2027 (estimated)
- Study completionNov 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Depressive Disorder, MajorStudies of the same condition, open and under way.
- More trials run by Sunshine Lake Pharma Co., Ltd.The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2/3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind
- Who is masked
- Participant, Care provider, Investigator, Outcomes assessor
- Enrolment
- 600 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Sunshine Lake Pharma Co., Ltd.
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04984512
- Sponsor's protocol ID
- HEC113995-P-5
- Status last verified
- Aug 2026
- First submitted
- 21 Jul 2021
- Last updated
- 24 Aug 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 24 Aug 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase II/III ,Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled, Adaptive Design Study Evaluating the Efficacy And Safety of Mitizodone Phosphate Tablets in the Treatment of Patient With Major Depressive Disorder
- ClinicalTrials.gov ID
- NCT04984512
- Acronym / sponsor ID
- HEC113995-P-5
- Conditions
- Depressive Disorder, Major
- Phase
- Phase 2/3
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 600 participants (estimated)
- Lead sponsor
- Sunshine Lake Pharma Co., Ltd.Industry (pharma, biotech, devices)
- Study start
- 14 Dec 2021 (actual)
- Primary completion
- Jul 2027 (estimated)
- Study completion
- Nov 2027 (estimated)
- First posted
- 30 Jul 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is a phase 2 and 3 adaptive design study for Mitizodone Phosphate,to find out an optimal dose in phase 2 period and confirm the result an efficacy and safety in phase 3 period.Dose-finding will be done after 8 weeks of double-blinded treatment in phase 2 period and will be assessed by both efficacy and safety from 3 dose groups of Mitizodone Phosphate.The dose be found in phase 2 period will be evaluated on efficacy and safety when compared with placebo in phase 3 period with a duration of 8 weeks treatment.The target subjects are patients with MDD.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind (participant, care provider, investigator, outcomes assessor)
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| Mitizodone Phosphate tablet 10mg | Experimental | Drug: Mitizodone Phosphate tabletsMitizodone Phosphate tablet 10mg ,orally,once daily for 8 weeks, then placebo,orally,once daily for 2 weeks. |
| Mitizodone Phosphate tablet 20mg | Experimental | Drug: Mitizodone Phosphate tabletsMitizodone Phosphate tablet 10mg ,orally,once daily for 1 weeks, then Mitizodone Phosphate tablet 20mg ,orally,once daily for 7 weeks, then Mitizodone Phosphate tablet 10mg ,orally,once daily for 1 weeks, then placebo,orally,once daily for 1 weeks. |
| Mitizodone Phosphate tablet 40mg | Experimental | Drug: Mitizodone Phosphate tabletsMitizodone Phosphate tablet 10mg ,orally,once daily for 1 weeks, then Mitizodone Phosphate tablet 20mg ,orally,once daily for 1 weeks, then Mitizodone Phosphate tablet 40mg ,orally,once daily for 6 weeks, then Mitizodone Phosphate tablet 20mg ,orally,once daily for 1 weeks, then Mitizodone Phosphate tablet 10mg ,orally,once daily for 1 weeks. |
| Placebo | Active comparator | Drug: Placebo-matching tabletsPlacebo,tablet,orally,once daily for 10 weeks. |
Who may qualify
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- 1.a Man or a woman with major depressive disorder(MDD) as the primary diagnosis according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria (classification code 296.22、296.23、296.32、296.33)
- 2.Has a Montgomery Åsberg Depression Rating Scale (MADRS) total score of 26 or greater at Screening and Baseline Visits.
- 3.Has a Clinical Global Impression - Severity of Illness (CGI-S) score of 4 or greater at Screening and Baseline Visits.
Key exclusion criteria (15 listed)
- 1.has major depressive disorder with psychotic features according to the DSM-5.
- 2.Current or history of: bipolar disorder、schizophrenia、anixety disorder、insomnia、any substance abuse or dependence and other psychiatry disorder as defined in the DSM-5.
- 3.Current or history of a clinically significant neurological disorder (including epilepsy、Alzheimer disease, Parkinson disease, multiple sclerosis, Huntington disease).
- 4. has Serious body disease such as neurological disorders、cardiacvascular disorders、hepatic disorders、 renal disorders, blood system disorders and endocrine disorders.
- 5. Current or history of cancer( except basal cell of the skin and preinvasive carcinoma of cervix uteri).
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Mitizodone Phosphate tabletsAlso: HEC113995PA•H2OMitizodone Phosphate tablets will be administered with food. | Drug | Mitizodone Phosphate tablet 10mg, Mitizodone Phosphate tablet 20mg, Mitizodone Phosphate tablet 40mg |
| Placebo-matching tabletsPlacebo will be administered with food. | Drug | Placebo |
Primary outcome
Change From Baseline in the Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score at week 8
Time frame: baseline and week 8
The MADRS is a depression rating scale consisting of 10 items, each rated 0 (normal) to 6 (most abnormal). The 10 items represent the core symptoms of depressive illness. The overall score ranges from 0 (symptoms absent) to 60 (severe depression). A decrease in the total score or on individual items indicates improvement.
6 secondary outcomes
Percentage of subjects With a MADRS Response at Week 8
Time frame: baseline and week 8
Percentage of Participants in MADRS Remission at Week 8
Time frame: week 8
Change From Baseline in the Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score at week 1、week 2 、week 4、week 6.
Time frame: baseline 、 week 1、week 2 、week 4 and week 6.
Change From Baseline in the Clinical Global Impression - Severity of illness (CGI-S) Total Score at week 1、week 2 、week 4、week 6、week 8.
Time frame: baseline、week 1、week 2 、week 4、week 6 and week 8.
Clinical Global Impression - Improvement (CGI-I) Score at week 1、week 2 、week 4、week 6、Week 8
Time frame: week 1、week 2 、week 4、week 6 and week 8.
Change From Baseline in the hamilton anxiety rating scale （HAM-A）Total Score at week 1、week 2 、week 4、week 6、week 8.
Time frame: baseline、week 1、week 2 、week 4、week 6 and week 8.
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 24 Aug 2026.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2/3 study testing Mitizodone Phosphate tablets in people with Depressive Disorder, Major, run by Sunshine Lake Pharma Co., Ltd. at 1 site in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 15 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 24 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this combined phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact gang wang, Ph.D (86-010-58303236, gangwangdoc@gmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change From Baseline in the Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score at week 8 (time frame: baseline and week 8). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Aug 2026.