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Multi-centre, double-blind, placebo-controlled, randomised trial to prove the efficacy and safety of Silexan® (WS®1265) in patients with a major depressive episode of mild to moderate severity

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-521744-37-00
Acronym
D.01.01.3.06
Enrollment
500
Registered
2025-10-06
Start date
2025-11-17
Completion date
Unknown
Last updated
2025-11-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mild to moderate major depressive disorder

Brief summary

The change in MADRS total score between Baseline and Week 8.

Detailed description

Efficacy endpoint: • Changes from Baseline in Clinical Global Impressions (CGI) (Item 1), Patient Health Questionnaire-9(PHQ-9) total score, Sheehan Disability Scale (SDS) total score at Week 8, Efficacy endpoint: • CGI (Item 2) at Week 8, Efficacy endpoint: • At least 50% reduction of MADRS total score between Baseline and Week 8 (responder), Efficacy endpoint: • MADRS total score < 10 at Week 8 (remitter)., Safety endpoint:• Frequency of participants with at least one Adverse Event (AE),Adverse Drug Reaction (ADR), serious AE; number, type, severity and seriousness of AEs, and their relationship to the Investigational Medicinal Product (IMP); frequency of participants with AEs leading to withdrawal, Safety endpoint:• Evaluation of safety assessments (physical examination, vital signs, 12-lead electrocardiography (ECG), laboratory evaluation, concomitant medication, non-medicinal psychiatric treatment), Safety endpoint:• Risk of suicide

Interventions

DRUGPlacebo to Silexan 80 mg
DRUGSilexan 80 mg

Sponsors

Dr. Willmar Schwabe GmbH & Co. KG
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
The change in MADRS total score between Baseline and Week 8.

Secondary

MeasureTime frame
Efficacy endpoint: • Changes from Baseline in Clinical Global Impressions (CGI) (Item 1), Patient Health Questionnaire-9(PHQ-9) total score, Sheehan Disability Scale (SDS) total score at Week 8, Efficacy endpoint: • CGI (Item 2) at Week 8, Efficacy endpoint: • At least 50% reduction of MADRS total score between Baseline and Week 8 (responder), Efficacy endpoint: • MADRS total score < 10 at Week 8 (remitter)., Safety endpoint:• Frequency of participants with at least one Adverse Event (AE),Adverse Drug Reaction (ADR), serious AE; number, type, severity and seriousness of AEs, and their relationship to the Investigational Medicinal Product (IMP); frequency of participants with AEs leading to withdrawal, Safety endpoint:• Evaluation of safety assessments (physical examination, vital signs, 12-lead electrocardiography (ECG), laboratory evaluation, concomitant medication, non-medicinal psychiatric treatment), Safety endpoint:• Risk of suicide

Countries

Austria, Germany

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026