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Efficacy and Safety of S 47445 Versus Placebo as Adjunctive Treatment in Depressed Patients Not Fully Recovered From Depressive Symptoms With a Current Antidepressant Treatment

Phase 2
Completed
Conditions
Major Depressive Disorder
Interventions
Drug: S47445 50mg
Drug: S47445 15mg
Drug: Placebo
Registration Number
NCT02805439
Lead Sponsor
Institut de Recherches Internationales Servier
Brief Summary

The purpose of this study is to assess the efficacy and safety of S47445 versus placebo as adjunctive treatment of Major Depressive Disorder in patients with an inadequate response to antidepressant therapy.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
400
Inclusion Criteria
  • Outpatients
  • Fulfilling DSM-5 criteria for Major Depressive Disorder confirmed by the brief structured interview M.I.N.I. (single or recurrent episode, current episode ≤ 12 months, current depressive episode of moderate or severe intensity, with or without anxious distress, with or without melancholic features, without mixed features or atypical features, without seasonal pattern, without psychotic features, without catatonic features, without peripartum onset for the current episode)
  • Patients treated for the current depressive episode with an antidepressant treatment with SSRI (fluoxetine, citalopram, paroxetine, escitalopram or sertraline) given in monotherapy at recommended dose for at least 6 weeks and no more than 4 months and with a stable dosage for at least 3 weeks
  • HAM-D total score ≥ 20
  • Clinical Global Impression Severity of illness (item 1): 6 ≥ CGI-S ≥ 4
  • Antidepressant Treatment Response Questionnaire (ATQR) < 50% for the current SSRI
  • Absence of any abnormalities likely to interfere with the conduct of the study (ECG, vital signs, laboratory tests, medical history)
Exclusion Criteria
  • Depressive episode of mild intensity according to DSM-5 criteria
  • All types of depressive episodes other than those occurring in a Major Depressive Disorder (Persistent Depressive Disorder (Dysthymia) according to DSM-5 criteria, including persistent depressive disorder with intermittent or persistent major depressive episode according to DSM-5, Premenstrual Dysphoric Disorder, Substance Induced Depressive Disorder, Depressive Disorder due to another Medical Condition, Other Specified or Unspecified Depressive Disorder, Bipolar Disorder I or II, depressed episode, Schizoaffective Disorder (Depressive or Bipolar type))
  • Depression onset within 12 months after a stroke
  • Suicidal risk defined as a score > 3 on the item 3 of the HAM-D scale or in the investigator's opinion
  • Lactose intolerance
  • Patients with hereditary problems of galactose intolerance, Lapp lactase deficiency or glucose-galactose malabsorption
  • Resistant depression for the current episode (patients who have not responded to 1 previous antidepressant treatment before the SSRI taken at an appropriate dose)
  • Current panic disorder
  • Obsessive compulsive disorder
  • Current post traumatic stress disorder, current acute stress disorder
  • Current or past psychotic disorder
  • Any severe personality features

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
S47445 50mgS47445 50mg-
S47445 15mgS47445 15mg-
PlaceboPlacebo-
Primary Outcome Measures
NameTimeMethod
Hamilton Depression Rating Scale (HAM-D) total score expressed as change from baseline value8 weeks of treatment
Secondary Outcome Measures
NameTimeMethod
Body Weightat week 4 and week 8

Safety criterion

BMIat week 4 and week 8

Safety criterion

Adverse Eventsthrough study completion (an average of 12 weeks)

Safety criterion

Laboratory tests (haematology and biochemistry)at week 4 and week 8

Safety criterion

HAM-D total scoreat week 0, week 2, week 4, week 6 and week 8

Depressive symptoms

Vital signs (standing and supine Systolic and Diastolic Blood Pressure, heart rate)at week 0, week 2, week 4, week 6 and week 8

Safety criterion

Response to treatment defined by HAM-D total score decrease from baseline ≥ 50%at week 0, week 2, week 4, week 6 and week 8

Depressive symptoms

Sheehan Disability Scale (SDS) scores (Work, social and family life)at week 0, week 2, week 4, week 6 and week 8

Social functioning

Clinical Global Impression scale (CGI), item 1 (Severity of depression) and item 2 (global Improvement) scores, response to treatment (CGI item 2 = 1 or 2)CGI item 1 at week 0, week 2, week 4, week 6 and week 8 and item 2 at week 2, week 4, week 6 and week 8

Depressive symptoms

Hospital Anxiety and Depression Scale (HAD), Anxiety and Depression sub-scoresat week 0, week 2, week 4, week 6 and week 8

Depressive symptoms

Columbia-Suicide Severity Rating Scale (C-SSRS)at week 0, week 2, week 4, week 6 and week 8

Safety criterion

12-lead ECGat week 4 and week 8

Safety criterion

Trial Locations

Locations (53)

Diagnostic Consultative center "Tchaika"

🇧🇬

Varna, Bulgaria

Mental health centre - Vratsa

🇧🇬

Vratsa, Bulgaria

Soukroma psychiatricka ambulance

🇨🇿

Brno, Czechia

Neuropsychiatrie HK, s.r.o.

🇨🇿

Hradec Kralove, Czechia

AD71 s.r.o.

🇨🇿

Praha, Czechia

Bialbi s.r.o.

🇨🇿

Litomerice, Czechia

CLINTRIAL s.r.o.

🇨🇿

Praha, Czechia

Pragtis s.r.o.

🇨🇿

Praha, Czechia

Medical services Prague s.r.o.

🇨🇿

Praha, Czechia

Psychiatricka ambulance Strakonice

🇨🇿

Strakonice, Czechia

Oulu Mentalcare Oy, Research Unit

🇫🇮

Oulu, Finland

Szent-Gyorgyi Albert Klinikai Kozpont, Pszichiatriai Klinika

🇭🇺

Szeged, Hungary

Bekes Megyei Pandy Kalman Korhaz, Pszihiatriai Osztaly

🇭🇺

Gyula, Hungary

Scientific Center of Mental Health, Dpt of Psychiatry N 1

🇷🇺

Moscow, Russian Federation

V.M.Bekhterev Research Institute of Psychoneurology, Department of the neuroses and psychotherapy

🇷🇺

St Petersburg, Russian Federation

Institute of Neurology, Psychiatry and Narcology, Department of Borderline and Neurotic Disorders

🇺🇦

Kharkiv, Ukraine

Kherson Regional Psychiatric Hospital, Psychiatry department

🇺🇦

Kherson, Ukraine

Kyiv Municipal Psychiatric Hospital #2, Department of psychiatry

🇺🇦

Kyiv, Ukraine

Scientific Center for Treatment and Rehabilitation Phoenix, Research department

🇷🇺

Rostov on don, Russian Federation

Psychiatric Hospital N 13

🇷🇺

Moscow, Russian Federation

Mental Health Centre - Sofia district

🇧🇬

Sofia, Bulgaria

Military Medical Academy, MHAT - Sofia

🇧🇬

Sofia, Bulgaria

Regional Clinic of Psychiatry

🇺🇦

Lviv, Ukraine

Medical center "City clinic"

🇧🇬

Varna, Bulgaria

Mental Health Centre - Plovdiv

🇧🇬

Plovdiv, Bulgaria

Private Practice

🇫🇮

Kuopio, Finland

State Budgetary lnstitution of Healthcare Leningrad RPND, In-patient psychiatry department

🇷🇺

Roshchino, Russian Federation

Psychoneuropathology Dispensary N 10, Psychiatry dpt

🇷🇺

St Petersburg, Russian Federation

Psychiatricka ambulancia Mentum, s.r.o.

🇸🇰

Bratislava, Slovakia

Private practice

🇸🇰

Kysucke Nove Mesto, Slovakia

Processus Kft., Városkapu Rendelo

🇭🇺

Budapest, Hungary

Laakarikeskus Mehilainen Psychiatric

🇫🇮

Helsinki, Finland

Mentoria Oy

🇫🇮

Tampere, Finland

Bajai Szent Rokus Korhaz, Neurologia/Pszichiátria

🇭🇺

Baja, Hungary

Pecsi Tudomanyegyetem, Klinikai Kozpont, Pszich. es Pszichoter. Klinika

🇭🇺

Pecs, Hungary

Lviv District Psychiatric hospital

🇺🇦

Lviv, Ukraine

Semmelweis Orvostudomanyi Egyetem, Pszichiatriai es Pszichoterapias Klinika

🇭🇺

Budapest, Hungary

Dr. Kenessey Albert Korhaz-Rendelointezet 1-es Pszihiatriai Osztaly

🇭🇺

Balassagyarmat, Hungary

Petz Aladar Megyei Oktato Korhaz, Pszihiatriai, Mentalhygienes es Addiktologiai Osztaly

🇭🇺

Gyor, Hungary

INVESTA, spol. s r.o., Psychiatricka ambulancia

🇸🇰

Kosice, Slovakia

Railway Clinic Hospital #1, Psychoneurological dpt

🇺🇦

Kyiv, Ukraine

Ukrainian Research Institut of Social, Forensic Psyshiatry, Department of Therapy

🇺🇦

Kyiv, Ukraine

Odesa Regional Medical Centre of Mental Health Child-adolescens

🇺🇦

Odesa, Ukraine

Forras Outpatient Clinic

🇭🇺

Budapest, Hungary

Nyiro Gyula Korhaz, Pszihiatriai Osztaly

🇭🇺

Budapest, Hungary

City Psychiatric Hospital N 4, Psychiatric department

🇷🇺

St Petersburg, Russian Federation

VAVRUSOVA CONSULTING s.r.o., Nestatna psychiatricka ambulancia

🇸🇰

Bratislava, Slovakia

PsychoLine psychiatricka ambulancia s.r.o.

🇸🇰

Rimavska Sobota, Slovakia

Centrum zdravia R.B.K. s.r.o.

🇸🇰

Svidnik, Slovakia

Kyiv Regional Medical Incorporation "Psychiatry", Center of Novel Treatment Rehabilitation Psychotic disorders

🇺🇦

Kyiv, Ukraine

ODESA REGIONAL MEDICAL CENTRE OF MENTAL HEALTHE DAY CARE department

🇺🇦

Odesa, Ukraine

Saint Anne s.r.o.

🇨🇿

Brno, Czechia

NsP Svatej Barbory, Psychiatricke oddelenie

🇸🇰

Roznava, Slovakia

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