CClinicalTrials.gg
CompletedNCT00463242Updated Dec 23, 2020

A Placebo- and Paroxetine-controlled Study of the Efficacy, Safety and Tolerability of Agomelatine (25 or 50 mg) in the Treatment of Major Depressive Disorder (MDD)

A Phase 3 interventional study of Agomelatine and paroxetine in Major Depressive Disorder, sponsored by Novartis. Completed at 47 sites in 2 countries. Open to participants aged 18 Years to 70 Years. Per ClinicalTrials.gov, last updated 2020-12-23.

Sponsored by Novartis · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
501
Allocation
Randomized
Ages
18 Years to 70 Years
Sex
All
01

Study summary

This study will evaluate the efficacy, safety and tolerability of agomelatine 25 mg or 50 mg per day and will compare agomelatine and paroxetine tolerability. Eligible patients will receive double-blind study medication for 8 weeks. One week after completion of the double-blind treatment phase there will be a single follow-up visit.

02

Conditions studied

  • Major Depressive Disorder

Keywords

  • agomelatine, Major Depressive Disorder, MDD, depression
03

In context

Depressive Disorder

4,845 studies on the registry are indexed under Depressive Disorder; 514 are open to participants now.

This study's enrollment of 501 is above the median of 80 across 3,999 interventional studies indexed under Depressive Disorder.

Browse Depressive Disorder studies →

Lead sponsor

Novartis is the lead sponsor of 703 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 70 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Male and female adults, 18 through 70 years of age, inclusive
  • Diagnosis of Major Depressive Disorder according to DSM-IV criteria
  • HAM-D17 total score > or = 22 at Screening and Baseline

Exclusion criteria

Exclusion Criteria:

  • History of non-response to paroxetine
  • Patients who have been previously treated with agomelatine
  • History of bipolar disorder (I or II), schizophrenia, schizoaffective disorder, eating disorder, or obsessive compulsive disorder
  • Any current Axis I disorder other than major depressive disorder which is the focus of treatment
  • Substance or alcohol abuse in the last 30 days, dependence in the last 6 months
  • Use of any psychoactive medication after the screening visit
  • Female patients of childbearing potential who are not using effective contraception

Other protocol-defined inclusion/exclusion criteria may apply

05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
501 participants (actual)

Study arms

  • Experimental
    Agomelatine

    Dosing for each subject in this extension study began with the same dose (25 mg or 50 mg of agomelatine orally once daily) the subject was receiving at the end of Week 8, the week before this study began.

    Drug: Agomelatine

  • Active comparator
    2

    Drug: paroxetine

  • Placebo comparator
    3

    Drug: placebo

Interventions

  • DrugAgomelatine

    Either 25 mg or 50 mg agomelatine orally once daily

  • Drugparoxetine

    Also known as: Paxil

  • Drugplacebo
06

What researchers measure

Primary outcomes

  1. Change from Baseline to Week 8 on the total score Hamilton Depression Rating Scale

    Time frame: 8 weeks

Secondary outcomes

  1. To demonstrate less sexual dysfunction in patients with MDD receiving agomelatine compared to paroxetine, as measured by the change from baseline to Week 8 on the total score of the Arizona Sexual Experience Scale (ASEX).

    Time frame: 8 weeks

  2. Proportion of patients who demonstrate clinical improvement where improvement is defined by a score of 1 or 2 on the Clinical Global Impression Improvement (CGI-I) scale at Week 8.

    Time frame: 8 weeks

  3. Proportion of patients with MDD who achieve remission,

    Time frame: 8 weeks

  4. Change from baseline to Week 8 on the total score and Anxiety subscale of the Hospital Anxiety and Depression Scale (HAD).

    Time frame: 8 weeks

07

Study locations

47 sites
  • Novartis Investigative Site
    Phoenix, Arizona 85016, United States
  • Novartis Investigative Site
    National City, California 91950, United States
  • Novartis Investigative Site
    Orange, California 92868, United States
  • Novartis Investigative Site
    Pasadena, California 91105, United States
  • Novartis Investigative Site
    Pico Rivera, California 90660, United States
  • Novartis Investigative Site
    Redlands, California 92374, United States
  • Novartis Investigative Site
    San Diego, California 92120, United States
  • Novartis Investigative Site
    San Diego, California 92126, United States
  • Novartis Investigative Site
    Torrance, California 90502, United States
  • Novartis Investigative Site
    Colorado Springs, Colorado 80909, United States
  • Novartis Investigative Site
    Boca Raton, Florida 33431, United States
  • Novartis Investigative Site
    Fort Myers, Florida 33912, United States
  • Novartis Investigative Site
    Jacksonville, Florida 32216, United States
  • Novartis Investigative Site
    Jacksonville, Florida 32256, United States
  • Novartis Investigative Site
    Miami, Florida 33143, United States
  • Novartis Investigative Site
    Orlando, Florida 32806, United States
  • Novartis Investigative Site
    Winter Park, Florida 32789, United States
  • Novartis Investigative Site
    Augusta, Georgia 30912, United States
  • Novartis Investigative Site
    Honolulu, Hawaii 96813, United States
  • Novartis Investigative Site
    Joliet, Illinois 60435, United States
  • Novartis Investigative Site
    Overland Park, Kansas 66212, United States
  • Novartis Investigative Site
    Baltimore, Maryland 21205, United States
  • Novartis Investigative Site
    Baltimore, Maryland 21208, United States
  • Novartis Investigative Site
    Rockville, Maryland 20852, United States
  • Novartis Investigative Site
    Fall River, Massachusetts 02721, United States
  • Novartis Investigative Site
    Okemos, Michigan 48864, United States
  • Novartis Investigative Site
    Saint Charles, Missouri 63301, United States
  • Novartis Investigative Site
    Saint Louis, Missouri 63141, United States
  • Novartis Investigative Site
    Lincoln, Nebraska 68510, United States
  • Novartis Investigative Site
    Willingboro, New Jersey 08046, United States
  • Novartis Investigative Site
    New York, New York 10024, United States
  • Novartis Investigative Site
    Charlotte, North Carolina 28211, United States
  • Novartis Investigative Site
    Durham, North Carolina 27710, United States
  • Novartis Investigative Site
    Canton, Ohio 44718, United States
  • Novartis Investigative Site
    Corvallis, Oregon 97330, United States
  • Novartis Investigative Site
    Erie, Pennsylvania 16506, United States
  • Novartis Investigative Site
    Media, Pennsylvania 19063, United States
  • Novartis Investigative Site
    Philadelphia, Pennsylvania 19104, United States
  • Novartis Investigative Site
    Austin, Texas 78756, United States
  • Novartis Investigative Site
    Dallas, Texas 75230, United States
  • Novartis Investigative Site
    Friendswood, Texas 77546, United States
  • Novartis Investigative Site
    Houston, Texas 77008, United States
  • Novartis Investigative Site
    Herndon, Virginia 20170, United States
  • Novartis Investigative Site
    Richmond, Virginia 23230, United States
  • Novartis Investigative Site
    Bellevue, Washington 98004, United States
  • Novartis Investigative Site
    Waukesha, Wisconsin 53188, United States
  • Novartis Investigative Site
    Hato Rey, 00918, Puerto Rico
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References and documents

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 23, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT00463242
Lead sponsor
Novartis
Responsible party
Sponsor
First posted
Apr 20, 2007
Start date
Mar 2007
Primary completion
Jun 2008
Last update
Dec 23, 2020

Study contacts

Novartis Pharmaceuticals
study director · Novartis Pharmaceuticals
View the source record on ClinicalTrials.gov ↗

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