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Major Depressive DisorderPhase 4CO-MEDNCT00590863

Combining Medications to Enhance Depression Outcomes

A Phase 4 study testing Escitalopram + Bupropion SR and Venlafaxine XR + Mirtazapine in people with Major Depressive Disorder, run by National Institute of Mental Health (NIMH) at 15 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 study will compare whether a combination of antidepressant medications is better than one antidepressant medication alone when given as initial treatment for people with chronic or recurrent major depressive disorder. Read more about this study

Who is it for?
Ages 18 to 75 years
Conditions the study is for
Major Depressive Disorder
What is being tested?
Escitalopram + Bupropion SR and Venlafaxine XR + Mirtazapine
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
665 participants
Where
15 sitesUnited States
Study dates
Mar 2008to Sep 2009
Phase
Phase 4
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 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Seeking treatment at the primary or specialty care site, and be planning to continue living in the area of that clinic for the duration of the study
  • Meets clinical criteria for nonpsychotic MDD, recurrent (with the current episode being at least 2 months in duration), or chronic (current episode greater than 2 years) as defined by a clinical interview and confirmed by the MINI International Neuropsychiatric Interview (MINI)
  • Screening 17 item HRSD score of 16 or greater
  • Treatment with antidepressant medication combinations is clinically acceptable
  • Patient with and without current suicidal ideation may be included in the study as long as outpatient treatment is clinically appropriate

Who cannot join

  • Pregnant or breastfeeding
  • Plans to become pregnant over the ensuing 8 months following study entry or are sexually active and not using adequate birth control
  • History (lifetime) of psychotic depression, schizophrenia, bipolar (I, II, or NOS), schizoaffective, or other Axis I psychotic disorders
  • Current psychotic symptom(s)
  • History (within the last 2 years before study entry) of anorexia or bulimia
  • Current primary diagnosis of obsessive compulsive disorder
Show all 24Show fewer
  • Current substance dependence that requires inpatient detoxification or inpatient treatment
  • Requiring immediate hospitalization for a psychiatric disorder
  • Definite history of intolerance or allergy (lifetime) to any protocol medication
  • History of clear nonresponse to an adequate trial of an FDA-approved monotherapy in the current MDE if recurrent, or during the last 2 years before study entry if chronic
  • History of clear nonresponse to an adequate trial of any study medication used as a monotherapy, or to one or more of the protocol combinations in the current or any prior MDE
  • Currently taking any of the study medications at any dose
  • Having taken Prozac (fluoxetine) or an MAOI in the 4 weeks before study entry
  • Presence of an unstable general medical condition (GMC) that will likely require hospitalization or to be deemed terminal (life expectancy less than 6 months after study entry)
  • Currently taking medications or have GMCs that contraindicate any study medications (e.g., seizure disorder)
  • Requiring medications for GMCs that contraindicate any study medication
  • Epilepsy or other conditions requiring an anticonvulsant
  • Lifetime history of having a seizure including febrile or withdrawal seizures
  • Receiving or have received vagus nerve stimulation (VNS), electroconvulsive therapy (ECT), repetitive transcranial magnetic stimulation (rTMS), or other somatic antidepressant treatments
  • Currently taking or having taken within the 7 days before study entry any of the following exclusionary medications: antipsychotic medications, anticonvulsant medications, mood stabilizers, or central nervous system stimulants (antidepressant medication used for the treatment of depression or other purposes such as smoking cessation or pain are excluded since these agents may interfere with the testing of the major hypotheses under study)
  • Uncontrolled narrow angle glaucoma
  • Taking thyroid medication for hypothyroidism may be included only if stable on the medication for 3 months
  • Using agents within the 7 days before study entry that are potential augmenting agents (e.g., T3 in the absence of thyroid disease, SAMe, St. John's Wort, lithium, buspirone)
  • Therapy that is depression-specific

Trial locations and contacts

15 sites in 1 country.

15 sites in 1 country

United States15 sites
  • General Psychiatric Ambulatory Clinic

    Ann Arbor, Michigan, 48105

  • UNC Chapel Hill Adult Diagnostic & Treatment Clinic

    Chapel Hill, North Carolina, 27599-7160

  • Northwestern Psychiatric Outpatient Treatment Care Center

    Chicago, Illinois, 60611

  • UT Southwestern Family Medicine Clinic

    Dallas, Texas, 75390

  • Harbor UCLA Family Health Care Center

    Harbor City, California, 90710

  • UCLA Internal Medicine Clinic

    Los Angeles, California, 90024

  • Vine Hill Community Clinic

    Nashville, Tennessee, 37212

  • Irving Goldman Primary Care at North Shore Hospital

    New York, New York, 11040

  • Bellefield Clinic of WPIC

    Pittsburgh, Pennsylvania, 15213

  • VCU Outpatient Psychiatry Clinic

    Richmond, Virginia, 23298

  • MGH/Northshore Medical Center (Salem Psychiatric Facility)

    Salem, Massachusetts, 01970

  • Veterans Affairs Medical Center/FIRM Primary Care Clinic

    San Diego, California, 92161

  • Laureate Psychiatric Clinic and Hospital

    Tulsa, Oklahoma, 74135

  • Tuscalossa VA Mental Health Clinic

    Tuscaloosa, Alabama, 35404

  • Clinical Research Institute

    Wichita, Kansas, 67214

Other trials in United States

About this study

This study will compare whether a combination of antidepressant medications is better than one antidepressant medication alone when given as initial treatment for people with chronic or recurrent major depressive disorder.

Read the detailed description

The overall aim of Combining Medications to Enhance Depression Outcomes (CO-MED) is to enhance remission rates for outpatients with chronic or recurrent nonpsychotic major depressive disorder (MDD) as defined by DSM-IV TR, treated in primary or psychiatric care settings.

Current evidence indicates that remission, the goal of treatment, is found in only about one-third of representative depressed outpatients treated for up to 14 weeks with an initial SSRI. In addition, even for those who do respond or remit, over one-third relapse in the subsequent 12 months. Combinations of antidepressants are used in practice at the second or subsequent steps when relapse occurs in the longer term, or, in some cases, even acutely as a first step when speed of effect is a clinical priority. Whether such combinations could potentially offer higher remission rates, lower attrition, or greater longer-term benefit if used as initial treatments as compared to monotherapy remains to be examined.

CO-MED will test whether two different medications when given in combination as the first treatment step, compared to one medication, will enhance remission rates, increase speed of remission, be tolerable, and provide better sustained benefits in the longer term. Results of this study will inform practitioners in managing the treatment of patients with chronic or recurrent MDD.

Being tested
SSRI + placebo, Escitalopram + Bupropion SR, Venlafaxine XR + Mirtazapine
Keywords
depression, medication, antidepressant, chronic, recurrent
Medical subject headings
Depressive Disorder, Major, Depression, Bronchiolitis Obliterans Syndrome, Recurrence

What participants receive

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

  • SSRI + placeboDrug

    Also called escitalopram, placebo

    Participants will take escitalopram (10 - 20 mg/day)+ placebo (1 to 3 pills per day). Medications taken orally. Participants will take escitalopram plus placebo for up to 28 weeks. Dosages were adjusted as need at each clinic visit.

  • Escitalopram + Bupropion SRDrug

    Also called escitalopram, bupropion-SR

    Participant will take Burpopion SR (150 to 450 mg/day) + Escitalopram (10 to 20 mg/day) for up to 28 weeks. Medications taken orally. Bupropion SR was blinded, and escitalopram was given open label. Dosages were adjusted as need at each clinic visit.

  • Venlafaxine XR + MirtazapineDrug

    Also called venlafaxine-XR, mirtazapine

    Participants will take Venlafaxine XR (75 to 225 mg/day) + Mirtazapine (15 to 45 mg/day) for up to 28 weeks. Medications taken orally. Venlafaxine XR was blinded, and mirtazapine was given open label. Dosages were adjusted as need at each clinic visit.

Study groups in NCT00590863
Study groupRoleWhat they receive
SSRI + placeboActive comparatorParticipants will take escitalopram plus placebo.
Receives: Drug: SSRI + placebo
Escitalopram + Bupropion SRActive comparatorParticipants will take escitalopram + bupropion-SR.
Receives: Drug: Escitalopram + Bupropion SR
Venlafaxine XR + MirtazapineActive comparatorParticipants will take venlafaxine-XR + mirtazapine.
Receives: Drug: Venlafaxine XR + Mirtazapine

What is being measured

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

  1. Quick Inventory of Depressive Symptoms

    Percentage of patients that achieve remission, as defined as QIDS total score below 6 for last 2 study visits. QIDS depression scores range from 0 (normal) to 27 (very severe).

    Measured: Measured at Month 7

Secondary outcomes (1)
  1. Quality of Life Inventory

    The Quality of Life Inventory (QOLI) is a 32-item comprehensive self-report of satisfaction in 16 areas of life, such as love, work, and health. Each area is rated in terms of satisfaction and the relationship of that area to overall quality of life. It yields an overall raw score and satisfaction ratings for the 16 individual areas of life. The QOLI raw score is an average of weighted satisfaction ratings computed only over areas of life judged to be Important or Extremely Important to the respondent. Higher scores indicate higher reported quality of life.

    Measured: Measured at Month 7

Timeline

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

  1. First posted11 Jan 2008 (estimated)
  2. Study startMar 2008
  3. Primary completionSep 2009
  4. Study completionSep 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 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
665 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00590863
Sponsor's protocol ID
N01 MH090003-02
Other IDs
DSIR AT, N01MH090003
Acronym
CO-MED
Status last verified
Apr 2009
First submitted
26 Dec 2007
Last updated
23 Apr 2014
Data monitoring committee
Yes

Publications

  • Rush AJ, Trivedi MH, Stewart JW, Nierenberg AA, Fava M, Kurian BT, Warden D, Morris DW, Luther JF, Husain MM, Cook IA, Shelton RC, Lesser IM, Kornstein SG, Wisniewski SR. Combining medications to enhance depression outcomes (CO-MED): acute and long-term outcomes of a single-blind randomized study. Am J Psychiatry. 2011 Jul;168(7):689-701. doi: 10.1176/appi.ajp.2011.10111645. Epub 2011 May 2.

    PubMed 21536692
  • Olgiati P, Serretti A. Antidepressant emergent mood switch in major depressive disorder: onset, clinical correlates and impact on suicidality. Int Clin Psychopharmacol. 2023 Sep 1;38(5):342-351. doi: 10.1097/YIC.0000000000000479. Epub 2023 Jun 9.

    PubMed 37351585
  • Olgiati P, Fanelli G, Serretti A. Clinical correlates and prognostic implications of severe suicidal ideation in major depressive disorder. Int Clin Psychopharmacol. 2023 Jul 1;38(4):201-208. doi: 10.1097/YIC.0000000000000461. Epub 2023 Feb 27.

    PubMed 36853754
  • Olgiati P, Fanelli G, Atti AR, De Ronchi D, Serretti A. Clinical correlates and prognostic impact of binge-eating symptoms in major depressive disorder. Int Clin Psychopharmacol. 2022 Nov 1;37(6):247-254. doi: 10.1097/YIC.0000000000000422. Epub 2022 Jul 12.

    PubMed 35815954
  • Olgiati P, Serretti A. Persistence of suicidal ideation within acute phase treatment of major depressive disorder: analysis of clinical predictors. Int Clin Psychopharmacol. 2022 Sep 1;37(5):193-200. doi: 10.1097/YIC.0000000000000416. Epub 2022 Jul 7.

    PubMed 35695646
  • Olgiati P, Fanelli G, Serretti A. Obsessive-compulsive symptoms in major depressive disorder correlate with clinical severity and mixed features. Int Clin Psychopharmacol. 2022 Jul 1;37(4):166-172. doi: 10.1097/YIC.0000000000000396. Epub 2022 Feb 21.

    PubMed 35191860
  • Olgiati P, Serretti A. Post-traumatic stress disorder and childhood emotional abuse are markers of subthreshold bipolarity and worse treatment outcome in major depressive disorder. Int Clin Psychopharmacol. 2022 Jan 1;37(1):1-8. doi: 10.1097/YIC.0000000000000380.

    PubMed 34686642
  • Medeiros GC, Prueitt WL, Minhajuddin A, Patel SS, Czysz AH, Furman JL, Mason BL, Rush AJ, Jha MK, Trivedi MH. Childhood maltreatment and impact on clinical features of major depression in adults. Psychiatry Res. 2020 Nov;293:113412. doi: 10.1016/j.psychres.2020.113412. Epub 2020 Aug 18.

    PubMed 32950785
  • Jha MK, Minhajuddin A, South C, Rush AJ, Trivedi MH. Irritability and Its Clinical Utility in Major Depressive Disorder: Prediction of Individual-Level Acute-Phase Outcomes Using Early Changes in Irritability and Depression Severity. Am J Psychiatry. 2019 May 1;176(5):358-366. doi: 10.1176/appi.ajp.2018.18030355. Epub 2019 Mar 29.

    PubMed 30922100
  • Sies A, Demyttenaere K, Van Mechelen I. Studying treatment-effect heterogeneity in precision medicine through induced subgroups. J Biopharm Stat. 2019;29(3):491-507. doi: 10.1080/10543406.2019.1579220. Epub 2019 Feb 22.

    PubMed 30794033
  • De La Garza N, Rush AJ, Killian MO, Grannemann BD, Carmody TJ, Trivedi MH. The Concise Health Risk Tracking Self-Report (CHRT-SR) assessment of suicidality in depressed outpatients: A psychometric evaluation. Depress Anxiety. 2019 Apr;36(4):313-320. doi: 10.1002/da.22855. Epub 2018 Oct 29.

    PubMed 30370613
  • Gadad BS, Jha MK, Grannemann BD, Mayes TL, Trivedi MH. Proteomics profiling reveals inflammatory biomarkers of antidepressant treatment response: Findings from the CO-MED trial. J Psychiatr Res. 2017 Nov;94:1-6. doi: 10.1016/j.jpsychires.2017.05.012. Epub 2017 May 26.

    PubMed 28628884
  • Jha MK, Minhajuddin A, Gadad BS, Greer T, Grannemann B, Soyombo A, Mayes TL, Rush AJ, Trivedi MH. Can C-reactive protein inform antidepressant medication selection in depressed outpatients? Findings from the CO-MED trial. Psychoneuroendocrinology. 2017 Apr;78:105-113. doi: 10.1016/j.psyneuen.2017.01.023. Epub 2017 Jan 24.

    PubMed 28187400
  • Chekroud AM, Zotti RJ, Shehzad Z, Gueorguieva R, Johnson MK, Trivedi MH, Cannon TD, Krystal JH, Corlett PR. Cross-trial prediction of treatment outcome in depression: a machine learning approach. Lancet Psychiatry. 2016 Mar;3(3):243-50. doi: 10.1016/S2215-0366(15)00471-X. Epub 2016 Jan 21.

    PubMed 26803397
  • Warden D, Trivedi MH, Carmody T, Toups M, Zisook S, Lesser I, Myers A, Kurian KR, Morris D, Rush AJ. Adherence to antidepressant combinations and monotherapy for major depressive disorder: a CO-MED report of measurement-based care. J Psychiatr Pract. 2014 Mar;20(2):118-32. doi: 10.1097/01.pra.0000445246.46424.fe.

    PubMed 24638046

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Escitalopram + Bupropion SR and Venlafaxine XR + Mirtazapine in people with Major Depressive Disorder, run by National Institute of Mental Health (NIMH) at 15 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 5 inclusion and 24 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 23 Apr 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 15 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. 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 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

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 23 Apr 2014). 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?

Quick Inventory of Depressive Symptoms (time frame: Measured at Month 7). 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 NCT00590863, which also lists 20 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 23 Apr 2014.

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