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Major Depressive DisorderPhase 3NCT00683592

Randomized, Double-Blind, Placebo Controlled Study of Vilazodone's Efficacy, Safety, and Biomarkers of Response in Major Depressive Disorder (MDD)

A Phase 3 study testing vilazodone in people with Major Depressive Disorder, run by Forest Laboratories at 9 sites in United States.

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

This randomized, double-blind, placebo-controlled, multicenter, 8-week, clinical trial is designed to assess the efficacy and safety of vilazodone and to evaluate genetic biomarkers of treatment response associated with vilazodone use in adult patients diagnosed with MDD by the DSM-IV-TR criteria. Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Major Depressive Disorder
What is being tested?
vilazodone
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
481 participants
Where
9 sitesUnited States
Study dates
Mar 2008to Mar 2009
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients 18-70 years of age.
  • A diagnosis of MDD, single episode or recurrent, according to DSM-IV-TR (296.2/296.3) with a current Major Depressive Episode of less than two year's duration with a minimum duration of at least 4 weeks.
  • Meets DSM-IV-TR criteria for Major Depressive Disorder.
  • HAM-D score ≥ 22 on the first 17 items of the 21-item HAM-D.
  • HAM-D item 1 (depressed mood) score ≥ 2.
  • Patients must be able to provide written informed consent
  • Patients must be able to speak, read and understand English

Who cannot join

  • Patients with a current (or within 6 months prior to the Screening Visit) Axis I disorder of Post Traumatic Stress Disorder, Eating Disorder, Obsessive Compulsive Disorder.
  • Patients with a history of schizophrenia, schizoaffective disorder or bipolar I or II disorder (with a history of hypomanic or manic episodes).
  • Patients who meet DSM-IV-TR criteria for substance abuse (alcohol or drugs) within 3 months prior to the Screening Visit or substance dependence within 6 months prior to the Screening Visit.
  • Patients who meet criteria for any of the following DSM-IV-TR MDD Specifiers: [a] With Catatonic Features; [b] With Postpartum Onset; [c] With Seasonal Pattern [d]severe with Psychotic Features.
  • Patients who are receiving formal psychotherapy or have had psychotherapy within the 12 weeks prior to the Screening Visit.
  • Patients who have any one of the following:
Show all 25Show fewer
  • In the month prior to screening, have had active suicidal ideation with some intent to act, without specific plan.
  • In the month prior to screening, have had suicidal ideation with specific plan and intent.
  • Have made a suicide attempt within the 6 months prior to the screening visit.
  • In the opinion of the Investigator, is currently at significant risk of suicide.
  • Patients who have had an inadequate response to at least 2 consecutive antidepressants from different classes given at adequate doses for an adequate duration.
  • Patients who have received electroconvulsive therapy within the 6 months prior to the Screening Visit.
  • Patients currently taking a psychotropic drug. Patients who have taken psychotropic drugs must have discontinued these prior to the Screening Visit. The minimum discontinuation periods are outlined in the study protocol.
  • Patients taking migraine medications with a serotonergic mechanism of action
  • Patients taking CYP3A4 inhibitors such as grapefruit juice, ketoconazole, diltiazem, and macrolide antibiotics or montelukast
  • Patients with known hypersensitivity to SSRIs (selective serotonin reyptake inhibitors) or 5-HT1a agonists.
  • Patients previously treated with vilazodone (also known as SB-659746-A or EMD 68 843).
  • Patients with a history of clinically significant cardiac, renal, neurologic, cerebrovascular, hepatic, hematologic, metabolic or pulmonary disorders.
  • Patients with any serious medical disorder or condition that would, in the investigator's opinion, preclude the administration of study medication.
  • Female patients must not be pregnant, lactating, or planning to become pregnant during the time of study participation. All female patients must be at least 1 year post menopausal or irreversibly surgically sterilized (by hysterectomy, oophorectomy, or bilateral tubal ligation with resection) or determined not to be at risk of pregnancy.
  • Patients with clinically significant abnormalities on electrocardiogram.
  • Patients having clinically significant abnormal laboratory findings.
  • Patients with a positive drug screen.
  • Patients who, in the opinion of the investigator, would be noncompliant with the visit schedule or study procedures.
  • Patients that have taken an investigational drug or participated in an investigational drug trial within the past 30 days.

Trial locations and contacts

9 sites in 1 country.

9 sites in 1 country

United States9 sites
  • Atlanta Institute of Medicine and Research

    Atlanta, Georgia, 30328

  • Northwest Clinical Research Center

    Bellevue, Washington, 98004

  • Florida Clinical Research Center

    Bradenton, Florida, 34208

  • Mood Disorders Research Program and Clinic Exchange Park

    Dallas, Texas, 75235

  • Pharmacology Research Institute

    Newport Beach, California, 92660

  • University of Pennsylvania Department of Psychiatry Mood and Anxiety Disorders

    Philadelphia, Pennsylvania, 19104

  • Summit Research Network

    Portland, Oregon, 97210

  • University of Utah Health Sciences Ctr, Dept of Psychiatry Mood Disorders Clinic

    Salt Lake City, Utah, 84132

  • Summit Research Network

    Seattle, Washington, 98104

Other trials in United States

About this study

Official title: A Randomized, Double-blind, Placebo Controlled Study Assessing the Efficacy and Safety of Vilazodone 40 mg qd and Evaluating Genetic Biomarkers Associated With Treatment Response in Patients With Major Depressive Disorder (MDD)

This randomized, double-blind, placebo-controlled, multicenter, 8-week, clinical trial is designed to assess the efficacy and safety of vilazodone and to evaluate genetic biomarkers of treatment response associated with vilazodone use in adult patients diagnosed with MDD by the DSM-IV-TR criteria.

Read the detailed description

This randomized, double-blind, placebo-controlled, multicenter, 8-week, clinical trial is designed to assess the efficacy and safety of vilazodone and to evaluate genetic biomarkers of treatment response associated with vilazodone use in adult patients diagnosed with MDD by the DSM-IV-TR criteria. This study will enroll approximately 470 patients at approximately 10 clinical sites. Safety and efficacy will be assessed at each visit. A DNA sample will be collected and analyzed for response to vilazodone.

Being tested
vilazodone, placebo
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.

  • vilazodoneDrug

    Also called EMD68843, SB-659746

    titration to 40 mg tablets qd (once a day) for 8 weeks

  • placeboDrug

    placebo

Study groups in NCT00683592
Study groupRoleWhat they receive
1Experimentalvilazodone
Receives: Drug: vilazodone
2Placebo comparatorNot described
Receives: Drug: placebo

What is being measured

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

  1. Change From Baseline to Week 8 in the MADRS (Montgomery-Asberg Depression Rating Scale) Total Score.

    The MADRS is an observer rating scale that has proven to be an efficient and practical measure of depression. The scale was constructed to be sensitive to treatment effects. The change from baseline in MADRS total score has a possible range of -60 to 60 where negative values reflect improvement in depression symptom severity. The method of last observation carried forward was utilized for subjects who discontinued prematurely.

    Measured: Baseline, Week 1, Week 2, Week 4, Week 6, Week 8

Secondary outcomes (5)
  1. Change From Baseline to Week 8 in the HAM-D 17 (17-Item Hamilton Rating Scale for Depression) Total Score

    The HAM-D 17 is a 17-item subscale of the HAM-D 21, which is designed to be completed by a trained rater. It is designed for rating depressive symptom severity in patients with a confirmed diagnosis of depressive disorder. The change in HAM-D 17 has a possible range of -52 to 52 with negative values indicating improvment in depression symptom severity. The method of last observation carried forward was utilized for subjects who discontinued prematurely.

    Measured: Baseline, week 1, week 2, week 4, week 6, week 8

  2. The CGI-I (Clinician's Global Impression of Improvement) Score at Week 8

    The CGI-I scale measures change from the baseline state at every visit after the baseline visit. It permits a global evaluation of the patient's improvement over time. At the scheduled clinic visits, the clinician assessed the patient's improvement relative to the symptoms at baseline on a CGI-I item using a 7-point scale, where 1 = very much improved and 7 = very much worse. The method of last observation carried forward was utilized for subjects who discontinued prematurely.

    Measured: Week 1, Week 2, Week 4, Week 6, Week 8

  3. Change From Baseline to Week 8 in the HAM-A ( Hamilton Anxiety Rating Scale) Total Score

    The HAM-A is a rating scale developed to quantify the severity of anxiety. It consists of 14 items, each defined by a series of symptoms. Each item is rated on a 5-point scale, ranging from 0 (not present) to 4 (severe). Change from baseline in the HAM-A total score may range from -52 to 52 with negative value indicating improvement in anxiety symptom severity. The method of last observation carried forward was utilized for subjects who discontinued prematurely.

    Measured: Baseline, Week 1, Week 2, Week 4, Week 6, Week 8

  4. MADRS (Montgomery-Asberg Depression Rating Scale) Response Rate at Week 8

    MADRS response was defined as ≥ 50% decrease from baseline in MADRS total score at Week 8. The response rate is the percentage of subjects in each treatment group meeting the criteria for response. The method of last observation carrier forward was utilized for subjects who discontinued prematurely.

    Measured: Baseline, Week 1, Week 2, Week 4, Week 6, Week 8

  5. MADRS (Montgomery-Asberg Depression Rating Scale) Remission Rate at Week 8

    MADRS remission was defined as a MADRS total score < 10 at Week 8. The remission rate is the percentage of subjects in each treatment group who met the criteria for remission. The method of last observation carried forward was utilized for subjects who discontinued prematurely.

    Measured: Baseline, Week 1, Week 2, Week 4, Week 6, Week 8

Timeline

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

  1. First posted23 May 2008 (estimated)
  2. Study startMar 2008
  3. Primary completionFeb 2009
  4. Study completionMar 2009

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
481 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00683592
Sponsor's protocol ID
CLDA-07-DP-02
Status last verified
Oct 2010
First submitted
21 May 2008
Last updated
27 Oct 2010
Data monitoring committee
No

Publications

  • Kornstein S, Chang CT, Gommoll CP, Edwards J. Vilazodone efficacy in subgroups of patients with major depressive disorder: a post-hoc analysis of four randomized, double-blind, placebo-controlled trials. Int Clin Psychopharmacol. 2018 Jul;33(4):217-223. doi: 10.1097/YIC.0000000000000217.

    PubMed 29608461
  • Culpepper L, Mathews M, Ghori R, Edwards J. Clinical relevance of vilazodone treatment in patients with major depressive disorder: categorical improvement in symptoms. Prim Care Companion CNS Disord. 2014;16(1):PCC.13m01571. doi: 10.4088/PCC.13m01571. Epub 2014 Jan 30.

    PubMed 24940525
  • Jain R, Chen D, Edwards J, Mathews M. Early and sustained improvement with vilazodone in adult patients with major depressive disorder: post hoc analyses of two phase III trials. Curr Med Res Opin. 2014 Feb;30(2):263-70. doi: 10.1185/03007995.2013.855188. Epub 2013 Oct 31.

    PubMed 24127687
  • Clayton AH, Kennedy SH, Edwards JB, Gallipoli S, Reed CR. The effect of vilazodone on sexual function during the treatment of major depressive disorder. J Sex Med. 2013 Oct;10(10):2465-76. doi: 10.1111/jsm.12004. Epub 2012 Dec 6.

    PubMed 23216998
  • Reed CR, Kajdasz DK, Whalen H, Athanasiou MC, Gallipoli S, Thase ME. The efficacy profile of vilazodone, a novel antidepressant for the treatment of major depressive disorder. Curr Med Res Opin. 2012 Jan;28(1):27-39. doi: 10.1185/03007995.2011.628303. Epub 2011 Nov 23.

    PubMed 22106941
  • Khan A, Cutler AJ, Kajdasz DK, Gallipoli S, Athanasiou M, Robinson DS, Whalen H, Reed CR. A randomized, double-blind, placebo-controlled, 8-week study of vilazodone, a serotonergic agent for the treatment of major depressive disorder. J Clin Psychiatry. 2011 Apr;72(4):441-7. doi: 10.4088/JCP.10m06596.

    PubMed 21527122

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing vilazodone in people with Major Depressive Disorder, run by Forest Laboratories at 9 sites in United States.

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 7 inclusion and 25 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 27 Oct 2010. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 9 sites in United States. 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. Some participants in this study may receive a placebo. 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?

Yes. Results are posted in the registry (first posted 27 Oct 2010). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Change From Baseline to Week 8 in the MADRS (Montgomery-Asberg Depression Rating Scale) Total Score. (time frame: Baseline, Week 1, Week 2, Week 4, Week 6, Week 8). 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 NCT00683592, 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 27 Oct 2010.

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