New depression pill JS1-1-01 enters key trials
NCT ID NCT07485595
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tests an experimental tablet called JS1-1-01 in 180 adults with moderate to severe depression. Participants will take either a low dose, high dose, or placebo for 8 weeks. The goal is to see if the drug safely reduces depression symptoms better than a placebo.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- JS1-1-01 tablet
- What this could lead to
- If this trial succeeds, it could point toward a new oral medication to ease symptoms of moderate to severe depression.
- What could go wrong
- This is an early combined phase 2/3 trial with only 180 participants. The drug may not prove more effective than placebo, and side effects are not yet fully known.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 180 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Age range from 18 to 65 years old (including boundary values), both male and female; 2. Single or recurrent episodes that meet the diagnostic criteria for depression in DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, 5th edition);For patients with a single episode, the duration of this depressive episode must be ≥90 days. 3. Screening and baseline periods, the total score of the Montgomery Asperger Depression Rating Scale (MADRS) was ≥ 26 points; 4. Screening and baseline periods, with a Clinical Global Impression Scale Disease Severity (CGI-S) score of ≥ 4 points; 5. Voluntary participation in clinical trials, able to sign informed consent forms, and able to understand and comply with research procedures. Exclusion Criteria: 1. Individuals with a history of severe drug allergies or allergies to Piper Piper (pepper plant) ; 2. Those who have used at least two antidepressants in sufficient dosage and duration (treated according to the maximum dosage in the instructions for at least 4 weeks) in a single or current episode in the past but still have no effect; 3. The patients of depression secondary to other mental or physical illnesses; 4. Patients of depression with accompanying psychiatric symptoms; 5. Significant suicidal attempt or behavior within the past year, with a score of ≥ 3 on the 10th item (suicidal ideation) of the MADRS scale; 6. Individuals with a history of epileptic seizures (excluding convulsions caused by febrile seizures in children); 7. Individuals who have received depression related systemic physical therapy within 3 months prior to their first administration: modified electroconvulsive therapy (MECT), transcranial magnetic stimulation (TMS), vagus nerve stimulation (VNS), deep brain stimulation (DBS), phototherapy, or systemic psychotherapy; 8. Systematically receiving antidepressant treatment within the first 2 weeks of randomization, or discontinuing antidepressant medication for less than 5 half-lives before randomization; 9. Those with severe unstable cardiovascular and cerebrovascular diseases, respiratory system diseases, gastrointestinal diseases, liver diseases, kidney diseases, blood diseases, endocrine diseases, or a history of such physical diseases; 10. Accompanied by a history of malignant tumors (excluding cured skin basal cell carcinoma and cervical carcinoma in situ); 11. Screening or baseline electrocardiogram abnormalities that have clinical significance and are deemed unsuitable for inclusion by investigators, such as male QTcF ≥ 450 ms, female QTcF ≥ 470 ms, or having a history of long QT syndrome; 12. During the baseline period, those with a reduction rate of ≥ 25% in the MADRS scale score compared to the screening period; 13. A history of symptomatic orthostatic hypotension (i.e. orthostatic syncope) with clinical significance; 14. During the screening or baseline period, TBIL is above 2 times the upper limit of normal value, and ALT or AST is above 2 times the upper limit of normal value; Cr is higher than 1.2 times the upper limit of normal value; 15. Thyroid dysfunction (TSH above 1.2 times the upper limit of normal value or below 0.8 times the lower limit of normal value) or the presence of hyperthyroidism or hypothyroidism determined by the investigators; Individuals with a history of elevated intraocular pressure or narrow angle glaucoma; 16. Screening period, drug abuse screening positive individuals; 17. A history of alcohol dependence within one year prior to screening(Drinking alcohol for more than 5 years, equivalent ethanol intake, daily alcohol consumption: men \>40 g/d, women \>20 g/d; drinking ≤5 years, equivalent ethanol intake, history of heavy drinking (\>80 g/d) within 2 weeks); 18. Pregnant and lactating women, male or female subjects who have a family planning or are unable to take effective contraceptive measures within 30 days after signing the informed consent form and ending the trial; 19. Screening for individuals who have participated in clinical trials and taken investigational drugs within the first 30 days; 20. The investigators believe that the subjects have poor compliance or there are other clinical, social, or family factors that are not suitable for enrollment.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Gang Wang
Beijing, Beijing Municipality, China
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Other studies related to the condition(s) this trial covers.
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