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Major Depressive DisorderPhase 3ONYXNCT00351910

Efficacy of Seroquel SR in Combination With an Antidepressant in Treatment of Major Depressive Disorder

A Phase 3 study testing Quetiapine, Amitriptyline and Bupropion in people with Major Depressive Disorder, run by AstraZeneca at 72 sites in 12 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

To evaluate the efficacy of quetiapine fumarate sustained release (Seroquel SR™) in combination with an antidepressant versus an antidepressant alone in patients with Major Depressive Disorder. PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Major Depressive Disorder
What is being tested?
Quetiapine, Amitriptyline and Bupropion
How many people
494 participants
Where
72 sitesin 12 countries
Study dates
May 2006to Apr 2007
Phase
Phase 3
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male or female aged 18 to 65 years
  • A documented diagnosis of major depressive disorder

Who cannot join

  • Patients with a DSM IV Axis I disorder other than MDD within 6 months of enrolment
  • Patients with a diagnosis of DSM IV Axis II disorder which has a major impact on the patient's current psychiatric status
  • Patients whose current episode of depression exceeds 12 months or is less than 4 weeks prior to enrolment

Trial locations and contacts

72 sites in 12 countries.

72 sites in 12 countries

France10 sites
  • Research Site

    Angoulême

  • Research Site

    Arcachon

  • Research Site

    Caen

  • Research Site

    Château-Gontier

  • Research Site

    Élancourt

  • Research Site

    Le Pecq

  • Research Site

    Nîmes

  • Research Site

    Paris

  • Research Site

    Rennes

  • Research Site

    Toulouse

Other trials in France

Sweden8 sites
  • Research Site

    Falköping

  • Research Site

    Gothenburg

  • Research Site

    Halmstad

  • Research Site

    Malmö

  • Research Site

    Stockholm

  • Research Site

    Sundsvall

  • Research Site

    Trollhättan

  • Research Site

    Uppsala

Other trials in Sweden

Australia7 sites
  • Research Site

    Brisbane

  • Research Site

    Everton Park, Queensland

  • Research Site

    Frankston, Victoria

  • Research Site

    Malvern, Victoria

  • Research Site

    Prahran, Victoria

  • Research Site

    Richmond, Victoria

  • Research Site

    Southport, Queensland

Other trials in Australia

Belgium7 sites
  • Research Site

    Assebroek

  • Research Site

    Brussels

  • Research Site

    Ghent

  • Research Site

    Kortrijk

  • Research Site

    Liège

  • Research Site

    Mechelen

  • Research Site

    Tielt

Other trials in Belgium

Canada7 sites
  • Research Site

    Edmonton, Alberta

  • Research Site

    Halifax, Nova Scotia

  • Research Site

    Moncton, New Brunswick

  • Research Site

    Mount Pearl, Newfoundland and Labrador

  • Research Site

    Pointe-Claire, Quebec

  • Research Site

    St. John's, Newfoundland and Labrador

  • Research Site

    Toronto, Ontario

Other trials in Canada

Czechia7 sites
  • Research Site

    Brno

  • Research Site

    Havířov

  • Research Site

    Havlíčkův Brod

  • Research Site

    Nové Město nad Metují

  • Research Site

    Olomouc

  • Research Site

    Ostrava

  • Research Site

    Prague

Other trials in Czechia

Norway7 sites
  • Research Site

    Bergen

  • Research Site

    Flekkefjord

  • Research Site

    Fyllingsdalen

  • Research Site

    Hamar

  • Research Site

    Lysaker

  • Research Site

    Oslo

  • Research Site

    Skien

Other trials in Norway

Poland6 sites
  • Research Site

    Gdansk

  • Research Site

    Lodz

  • Research Site

    Nowy Targ

  • Research Site

    Szczecin

  • Research Site

    Torun

  • Research Site

    Warsaw

Other trials in Poland

Finland4 sites
  • Research Site

    Helsinki

  • Research Site

    Jarvenpaa

  • Research Site

    Salo

  • Research Site

    Turku

Other trials in Finland

Germany4 sites
  • Research Site

    Augsburg

  • Research Site

    Berlin

  • Research Site

    Cologne

  • Research Site

    Münster

Other trials in Germany

South Africa3 sites
  • Research Site

    Cape Town, Western Cape

  • Research Site

    Durban, KwaZulu-Natal

  • Research Site

    Pretoria, Gauteng

Other trials in South Africa

Romania2 sites
  • Research Site

    Bucharest

  • Research Site

    Piteşti

Other trials in Romania

About this study

Official title: A Multi-Centre, Double-Blind, Randomised, Parallel-Group, Placebo-Controlled Phase III Study of the Efficacy and Safety of Quetiapine Fumarate Sustained Release (Seroquel SRTM) in Combination With an Antidepressant in the Treatment of Patients With Major Depressive Disorder With Inadequate Response to an Antidepressant Treatment

To evaluate the efficacy of quetiapine fumarate sustained release (Seroquel SR™) in combination with an antidepressant versus an antidepressant alone in patients with Major Depressive Disorder.

PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. The SR designation was changed to XR after consultation with FDA.

Being tested
Quetiapine, Amitriptyline, Bupropion, Citalopram, Duloxetine
Keywords
Major Depressive Disorder, MDD
Medical subject headings
Depressive Disorder, Major

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. To evaluate the efficacy of quetiapine fumarate sustained release

  2. (Seroquel SR™) in combination with an antidepressant versus an antidepressant alone in patients with Major Depressive Disorder.

Secondary outcomes (1)
  1. If quetiapine SR in combination with an antidepressant improves health-related quality of life of patients with MDD, compared to an antidepressant alone.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted13 Jul 2006 (estimated)
  2. Study startMay 2006
  3. Study completionApr 2007

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
494 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00351910
Sponsor's protocol ID
D1448C00007
Other IDs
ONYX, EUDRACT No: 2005-0055053-22
Acronym
ONYX
Status last verified
Jan 2011
First submitted
12 Jul 2006
Last updated
26 Jan 2011
Results posted
No

Publications

  • McIntyre RS, Gorwood P, Thase ME, Liss C, Desai D, Chen J, Bauer M. Early Symptom Improvement as a Predictor of Response to Extended Release Quetiapine in Major Depressive Disorder. J Clin Psychopharmacol. 2015 Dec;35(6):706-10. doi: 10.1097/JCP.0000000000000416.

    PubMed 26474010
  • Weisler R, Montgomery SA, Earley WR, Szamosi J, Eriksson H. Extended release quetiapine fumarate in patients with major depressive disorder: suicidality data from acute and maintenance studies. J Clin Psychiatry. 2014 May;75(5):520-7. doi: 10.4088/JCP.13m08624.

    PubMed 24816198
  • Weisler R, McIntyre RS, Bauer M. Extended-release quetiapine fumarate in the treatment of patients with major depressive disorder: adjunct therapy. Expert Rev Neurother. 2013 Nov;13(11):1183-200. doi: 10.1586/14737175.2013.846519.

    PubMed 24175721
  • Bauer M, Demyttenaere K, El-Khalili N, Thase ME, Papakostas GI, Szamosi J, Earley WR, Eriksson H. Pooled analysis of adjunct extended-release quetiapine fumarate in patients with major depressive disorder according to ongoing SSRI or SNRI treatment. Int Clin Psychopharmacol. 2014 Jan;29(1):16-25. doi: 10.1097/YIC.0000000000000011.

    PubMed 24108148
  • Clayton AH, Locklear JC, Svedsater H, McIntyre RS. Sexual functioning in patients with major depressive disorder in randomized placebo-controlled studies of extended release quetiapine fumarate. CNS Spectr. 2014 Apr;19(2):182-96. doi: 10.1017/S1092852913000631. Epub 2013 Sep 25.

    PubMed 24067192
  • Bauer M, McIntyre RS, Szamosi J, Eriksson H. Evaluation of adjunct extended-release quetiapine fumarate on sleep disturbance and quality in patients with major depressive disorder and an inadequate response to on-going antidepressant therapy. Int J Neuropsychopharmacol. 2013 Sep;16(8):1755-65. doi: 10.1017/S146114571300031X. Epub 2013 May 14.

    PubMed 23672772
  • Vieta E, Bauer M, Montgomery S, McIntyre RS, Szamosi J, Earley WR, Eriksson H. Pooled analysis of sustained response rates for extended release quetiapine fumarate as monotherapy or adjunct to antidepressant therapy in patients with major depressive disorder. J Affect Disord. 2013 Sep 5;150(2):639-43. doi: 10.1016/j.jad.2013.01.052. Epub 2013 Mar 14.

    PubMed 23497790
  • Bauer M, Pretorius HW, Constant EL, Earley WR, Szamosi J, Brecher M. Extended-release quetiapine as adjunct to an antidepressant in patients with major depressive disorder: results of a randomized, placebo-controlled, double-blind study. J Clin Psychiatry. 2009 Apr;70(4):540-9. doi: 10.4088/jcp.08m04629. Epub 2009 Apr 7.

    PubMed 19358791

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Quetiapine, Amitriptyline and Bupropion in people with Major Depressive Disorder, run by AstraZeneca at 72 sites in 12 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 26 Jan 2011. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 72 sites in France, Sweden, Australia, Belgium, Canada and 7 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

To evaluate the efficacy of quetiapine fumarate sustained release. The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00351910, which also lists 8 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Jan 2011.

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