Skip to content

Efficacy of Silexan in anxious patients

Multi-center, double-blind, placebo-controlled, randomized phase III study to prove the efficacy, safety and tolerability of Silexan (WS®1265) in patients with mixed anxiety and depressive disorder (ICD-10, F41.2).

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2012-000438-21-DE
Enrollment
300
Registered
2012-07-26
Start date
2012-10-17
Completion date
Unknown
Last updated
2015-11-23

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

Conditions

mixed anxiety and depressive disorder (ICD-10, F41.2) MedDRA version: 14.1 Level: LLT Classification code 10027741 Term: Mixed anxiety & depressive System Organ Class: 100000004873

Interventions

Trade Name: Lasea® Product Name: Silexan Product Code: WS® 1265 Pharmaceutical Form: Capsule, soft INN or Proposed INN: Lavenderoil Other descriptive name: Silexan (WS® 1265) Concentration unit: mg mi

Sponsors

Dr. Willmar Schwabe GmbH & Co. KG
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Diagnosis of mixed anxiety and depressive disorder (ICD-10, F41.2). Age: 18 to 65 years. Out-patient treatment by a specialized physician. Severity of disorder for the inclusion in the wash-out and into the acute treatment phase: HAMA total score = 18 with item 1 „anxious mood“ = 2 (moderate) and item 6 „depressed mood“ = 2 (moderate). Normal body weight: BMI between 18 and 29.9 kg/m2 Written informed consent in accordance with the legal requirement. Readiness and ability on the part of the patient to comply with the physician’s instructions and to fill in the self-assessment scales. Negative pregnancy test within 5 days before study start in females of childbearing potential before study start). Use of adequate contraception by female with childbearing potential Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 300 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: Any clinically important psychiatric or neurological diagnoses, other than study indication, within 6 month before the study (such as major depression, generalized anxiety disorder, unexplained somatic symptoms, bipolar disorder, alcohol use disorder or drug use disorder). Risk of suicide or previous suicide attempt or clear display of auto-aggressive behaviour. Risk of suicide is defined by a score of MADRS item 10 = 2. History or evidence of alcohol and/or substance abuse or dependence, particularly of sedatives, hypnotics and anxiolytics. (303.90; 305.00;304.10; 305.40) Current use of other psychotropic drugs within 30 days before baseline visit. History of hypersensitivity to Lavender preparations. Any unstable acute medical disorder. Unacceptability to discontinue or likelihood to need medication during the study that is prohibited as concomitant treatment. Non-medical psychiatric treatment (e.g., specific standardized psychotherapy) during the course of the study. Treatment with any other investigational drug in the last 12 weeks before screening. Clinical significant abnormality of ECG and/or laboratory values. Any abnormal baseline finding considered by the investigator to be indicative of conditions that might affect study results. Pregnancy, lactation. History or suspicion of unreliability, poor cooperation or non-compliance with medical treatment. Gastrointestinal disorders with uncertain absorption of orally administered drugs (e.g. partial or total gastrectomy, enterectomy, inflammatory bowel disease, celiac disease, symptomatic lactose intolerance, other disorders associated with chronic diarrhoea). Exclusion criteria during the course of the clinical trial: MADRS Item 10 = 2

Design outcomes

Primary

MeasureTime frame
Main Objective: The objective of the study is to prove the efficacy of Silexan (WS®1265) in the treatment of patients with mixed anxiety and depressive disorder in comparing the change of the HAMA total score and the MADRS total score between baseline and Week 10 between Silexan and placebo.;Secondary Objective: Secondary objective is to confirm the safety of Silexan (WS®1265) ;Primary end point(s): The change of the HAMA total score and the MADRS total score.;Timepoint(s) of evaluation of this end point: Week 1, 2, 4, 7, 10.

Secondary

MeasureTime frame
Secondary end point(s): Response criteria (50 % reduction; remission) based on the HAMA total score and on the MADRS total score. Items 2 (tension) and 14 (behaviour at interview) of the HAMA, change and response. Single items and subscores of the Hamilton Rating Scale for Anxiety, single items of the MADRS. State-Trait Anxiety Inventory (STAI), total score, subscores state anxiety and trait anxiety, early improvement on day 3. Subscales of the Sheehan Disability Scale (SDS) and subscores of the SF-36. Clinical Global Impressions. Hospital Anxiety and Depression Scale (HADS), total score change; subscore depression and subscore anxiety.;Timepoint(s) of evaluation of this end point: Week 1, 2, 4, 7, 10 (HAMA, MADRS, HADS, STAI). Week 10 (SDS, SF 36). Day 3 (STAI)

Countries

Germany

Contacts

Public ContactClinical Research Department

Dr. Willmar Schwabe GmbH & Co. KG

+497214005514

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026