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Major Depressive DisorderPhase 3AMBERNCT00351169

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

A Phase 3 study testing Quetiapine SR and Escitalopram in people with Major Depressive Disorder, run by AstraZeneca at 42 sites in 9 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 and safety of quetiapine fumarate sustained release (Seroquel SR) in the treatment of 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. 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 SR and Escitalopram
How many people
450 participants
Where
42 sitesin 9 countries
Study dates
May 2006to Jun 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

42 sites in 9 countries.

42 sites in 9 countries

Canada14 sites
  • Research Site

    Edmonton, Alberta

  • Research Site

    Gatineau, Quebec

  • Research Site

    Greater Sudbury, Ontario

  • Research Site

    Halifax, Nova Scotia

  • Research Site

    Hamilton, Ontario

  • Research Site

    Kelowna, British Columbia

  • Research Site

    Montreal, Quebec

  • Research Site

    Oakville, Ontario

  • Research Site

    Ottawa, Ontario

  • Research Site

    Penticton, British Columbia

  • Research Site

    St. John's, Newfoundland and Labrador

  • Research Site

    Sydney, Nova Scotia

  • Research Site

    Toronto, Ontario

  • Research Site

    Vancouver, British Columbia

Other trials in Canada

China5 sites
  • Research Site

    Beijing

  • Research Site

    HA Erbing

  • Research Site

    Nanjing

  • Research Site

    Shanghai

  • Research Site

    Wuhan

Other trials in China

South Africa5 sites
  • Research Site

    Benoni

  • Research Site

    Cape Town

  • Research Site

    Durban

  • Research Site

    Johannesburg

  • Research Site

    Krugersdorp

Other trials in South Africa

Finland4 sites
  • Research Site

    Helsinki

  • Research Site

    Oulu

  • Research Site

    Tampere

  • Research Site

    Turku

Other trials in Finland

Philippines4 sites
  • Research Site

    Cebu City

  • Research Site

    Davao City

  • Research Site

    Mandaluyong

  • Research Site

    Manila

Other trials in Philippines

Malaysia3 sites
  • Research Site

    Johor Bahru

  • Research Site

    Perak

  • Research Site

    Petaling Jaya

Other trials in Malaysia

Mexico3 sites
  • Research Site

    Aguascalientes

  • Research Site

    Distrito Federal

  • Research Site

    Guadalajara

Other trials in Mexico

Spain3 sites
  • Research Site

    Langreo

  • Research Site

    Vigo

  • Research Site

    Zamora

Other trials in Spain

South Korea1 site
  • Research Site

    Seoul

Other trials in South Korea

About this study

Official title: A Multi-Centre, Double-Blind, Randomised, Parallel Group, Placebo- Controlled and Active Controlled Phase III Study of the Efficacy and Safety of Quetiapine Fumarate Sustained Release (Seroquel SRTM) as Mono- Therapy in the Treatment of Adult Patients With Major Depressive Disorder

To evaluate the efficacy and safety of quetiapine fumarate sustained release (Seroquel SR) in the treatment of 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 SR, Escitalopram
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 SR compared with placebo in the treatment of patients with major depressive disorder (MDD) as assessed by change from randomisation to week 8 score in the MADRS total score.

Secondary outcomes (1)
  1. If quetiapine SR improves health-related quality of life of patients with MDD, compared to placebo

Timeline

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

  1. First posted12 Jul 2006 (estimated)
  2. Study startMay 2006
  3. Study completionJun 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
Double blind
Enrolment
450 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00351169
Sponsor's protocol ID
D1448C00004
Other IDs
AMBER, EUDRACT No: 2005-005052-40
Acronym
AMBER
Status last verified
Dec 2007
First submitted
11 Jul 2006
Last updated
22 Dec 2008
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. The role of extended-release quetiapine fumarate monotherapy in the treatment of patients with major depressive disorder. Expert Rev Neurother. 2013 Nov;13(11):1161-82. doi: 10.1586/14737175.2013.846520.

    PubMed 24175720
  • 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
  • Trivedi MH, Bandelow B, Demyttenaere K, Papakostas GI, Szamosi J, Earley W, Eriksson H. Evaluation of the effects of extended release quetiapine fumarate monotherapy on sleep disturbance in patients with major depressive disorder: a pooled analysis of four randomized acute studies. Int J Neuropsychopharmacol. 2013 Sep;16(8):1733-44. doi: 10.1017/S146114571300028X. Epub 2013 May 14.

    PubMed 23673347
  • Thase ME, Montgomery S, Papakostas GI, Bauer M, Trivedi MH, Svedsater H, Locklear JC, Gustafsson U, Datto C, Eriksson H. Quetiapine XR monotherapy in major depressive disorder: a pooled analysis to assess the influence of baseline severity on efficacy. Int Clin Psychopharmacol. 2013 May;28(3):113-20. doi: 10.1097/YIC.0b013e32835fb971.

    PubMed 23485955

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Quetiapine SR and Escitalopram in people with Major Depressive Disorder, run by AstraZeneca at 42 sites in 9 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 22 Dec 2008. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 42 sites in Canada, China, South Africa, Finland, Philippines and 4 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 SR compared with placebo in the treatment of patients with major depressive disorder (MDD) as assessed by change from randomisation to week 8 score in the MADRS total score.. 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 NCT00351169, which also lists 6 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 22 Dec 2008.

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