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Bipolar I DisorderPhase 4SMARTNCT01588457

Sequential Multiple Assignment Treatment for Bipolar Disorder

A Phase 4 study testing Lithium, Divalproex and Lamotrigine in people with Bipolar I Disorder and Bipolar II Disorder, run by The University of Texas Health Science Center at San Antonio at 2 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

The purpose of this study is to compare which of the two mood stabilizers (drugs that help to steady/stabilize mood in patients with bipolar disorder (BD)), lithium and divalproex, is more effective in patients with bipolar disorder over 26 weeks. Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Bipolar I Disorder, Bipolar II Disorder
What is being tested?
Lithium, Divalproex and Lamotrigine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
112 participants
Where
2 sitesUnited States
Study dates
Jun 2011to Dec 2016
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 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • DSM-IV TR (Diagnostic and Statistical Manual Edition IV Text Revision) diagnosis BD I or II as assessed by MINI PLUS (Mini International Neuropsychiatric Interview PLUS)
  • Male or female ≥ 18 years old
  • Currently symptomatic with a CGI-BP-S ≥3 for mania/hypomania \&/or depression for ≥ 2 weeks
  • One of the following indicators of recent active illness: a depressive or manic or hypomanic or mixed episode in the past 12 months
  • If female of child bearing age must use effective birth control.

Who cannot join

  • Unwilling or unable to comply with study requirements
  • Renal impairment (serum creatinine > 1.5 mg/dL)
  • If maintained on thyroid medication must be euthyroid for at least 1 month before Visit 1
  • Patients who have had intolerable side effects to QTP, Li, Div, or LTG
  • Patients whose clinical status requires inpatient care
  • Drug/alcohol dependence within the past 30 days
  • Pregnancy as determined by serum pregnancy test or breastfeeding
  • History of poor response to Li at a serum Li of ≥ 0.5 mEq/L (milliequivalents per Liter) or Div at a serum level of ≥ 45 mg/dL for at least 2 weeks.

Trial locations and contacts

2 sites in 1 country.

United States2 sites
  • Case Western Reserve University

    Cleveland, Ohio, 44106

  • University of Texas Health Science Center

    San Antonio, Texas, 78229-3900

Other trials in United States

About this study

Official title: Sequential Multiple Assignment Randomized Treatment (SMART) for Bipolar Disorder

The purpose of this study is to compare which of the two mood stabilizers (drugs that help to steady/stabilize mood in patients with bipolar disorder (BD)), lithium and divalproex, is more effective in patients with bipolar disorder over 26 weeks. The study will also compare if lithium or divalproex used alone versus lithium or divalproex used with quetiapine versus lithium or divalproex used with lamotrigine is more effective when symptoms of depression develop.

Read the detailed description

This open methods advancement study will randomize BD patients with clinically significant symptoms to treatment with one of two mood stabilizers (MS), lithium [Li] or divalproex [Div]. Those who develop protocol defined depression will then be randomized to a MS alone, MS + quetiapine [QTP] or MS + lamotrigine [LTG]. A SMART strategy employs a rule for adding new treatments based on each patient's current illness state and response during the trial, mimicking the adaptive nature of treatment selection which occurs in clinical settings, but in a controlled way which allows application of causal inference. By using early indices of response to dynamically alter treatment decisions to improve outcome, SMART eliminates unmeasured confounders associated with treatment decisions that are not randomized, as occurs in data mining exercises and in other non-randomized decisions in studies which randomize one variable at baseline. This sequential adaptive design represents a methodological innovation in bipolar trial history which will have particular implications for effectiveness studies.

Specific Aim A.1: Assess the feasibility of a SMART design in the conduct of an effectiveness study over 26 weeks in patients with BD (bipolar disorder).

Aim A.2 Compare the effectiveness of Li to Div as a primary component of treatment for BD over 26 weeks.

Aim A.3: Assess the effectiveness of MS + QTP and MS + LTG versus MS in subjects who develop depression.

A4. Exploratory Aims: 1.Determine the effects of ethnicity, language facility, education and stress as moderators of treatment outcomes; 2. Explore the use of novel statistical methodologies to more informatively characterize illness trajectories in response to the interventions. In the aggregate these aims also will clarify whether the SMART confirms results provided by traditional, single point randomized controlled trials (RCTs).

Being tested
Lithium, Divalproex, Lamotrigine, Quetiapine
Medical subject headings
Bipolar Disorder

What participants receive

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

  • LithiumDrug

    Also called Lithium Carbonate

    Therapeutic dosage as indicated by participants condition with blood levels. LI will be dosed to attain Li of ≥0.5mEq/L (milliequivalents per liter).

  • DivalproexDrug

    Also called Depakote, Depakote ER

    DV will be dosed to attain DV levels of ≥45mg/L.

  • LamotrigineDrug

    Also called Lamictal

    LM will be incrementally dosed up to 400 mg/day, or, in combination with DV, 200 mg/day. Dosage may be reduced for adverse effects to one half of the target dose.

  • QuetiapineDrug

    Also called Seroquel

    QT will be started at 50 mg/day and titrated up to 300 mg as tolerated. QT will be discontinued if not tolerated at 100mg/day and the patient will be treated according to guidelines.

Study groups in NCT01588457
Study groupRoleWhat they receive
LithiumActive comparatorThis open methods advancement study will randomize BD patients with clinically significant symptoms to treatment with one of two mood stabilizers, lithium [Li] at baseline. Lithium is one of these two mood stabilizers. The person may or may not stay solely on lithium throughout the study.
Receives: Drug: Lithium
DivalproexActive comparatorThis open methods advancement study will randomize BD patients with clinically significant symptoms to treatment with one of two mood stabilizers, divalproex (DV)at baseline. Divalproex is one of these two mood stabilizers. The person may or may not stay solely on divalproex throughout the study.
Receives: Drug: Divalproex
Lithium plus QuetiapineActive comparatorThose who develop protocol defined depression will then be randomized to a mood stabilizer (lithium) + quetiapine [QT].
Receives: Drug: Lithium; Drug: Quetiapine
Lithium plus LamotrigineActive comparatorThose who develop protocol defined depression will then be randomized to a mood stabilizer (lithium) + lamotrigine (LM).
Receives: Drug: Lithium; Drug: Lamotrigine
Divalproex plus QuetiapineActive comparatorThose who develop protocol defined depression will then be randomized to a mood stabilizer (divalproex) + quetiapine [QT].
Receives: Drug: Divalproex; Drug: Quetiapine
Divalproex plus LamotrigineActive comparatorThose who develop protocol defined depression will then be randomized to a mood stabilizer (divalproex) + lamotrigine (LM).
Receives: Drug: Divalproex; Drug: Lamotrigine

What is being measured

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

  1. Bipolar Inventory of Symptoms Scale (BISS)

    The BISS uses a structured interview to assess the full spectrum of symptoms associated with all primary clinical states in bipolar disorder, yielding a total severity, a depression, a mania, as well as dimensional scale scores. There are 42 items; each item is rated on a 0-4 scale. The BISS is a clinician-rated instrument. The Scale is rated as follows:

    0 Not at all

    1. Slight
    2. Mild
    3. Moderate
    4. Severe Each of the 42 items is rated separately, with a score, based on the most recent 7 day period. The mean score is calculated from the total score, giving an overall score out of 4, where 0 is slight and 4 is the most severe symptoms. A negative score indicated an improvement from baseline to 26 weeks.

    Measured: Change from Baseline to 26 weeks

Secondary outcomes (3)
  1. Global Assessment of Functioning

    The Clinical Global Impression-Severity Scale (CGI-S) is used to assess global illness severity

    The CGI-S score change is measured from baseline to 26 weeks and is rated on a 7-point scale. The scale is read as follows:

    1. very much improved since the initiation of treatment
    2. much improved
    3. minimally improved
    4. no change from baseline (the initiation of treatment)
    5. minimally worse
    6. much worse
    7. very much worse since the initiation of treatment The score is calculated as a mean of all items, where 1 indicates improvement from inititation of visit, and 7 indicates the condition to be much worse since the inititation of treatment. A negative score indicates a change from worse to better.

    Measured: Change from Baseline to 26 weeks

  2. Baseline Randomization Percentage of Bipolar Types

    Percentages of Type I and Type II Bipolar Disorder included in Randomization groups

    Measured: Baseline

  3. Demographic in Randomization 1 Group

    Baseline demographic percentages of subject randomized to either Divalproex or Lithium at the first randomization

    Measured: Baseline

Timeline

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

  1. First posted1 May 2012 (estimated)
  2. Study startJun 2011
  3. Primary completionDec 2016
  4. Study completionDec 2016

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
None (open label)
Enrolment
112 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01588457
Sponsor's protocol ID
HSC20110361H
Other IDs
1P30MH086045-01A2
Acronym
SMART
Status last verified
Aug 2020
First submitted
29 Feb 2012
Last updated
19 Aug 2020
Data monitoring committee
Yes

Publications

  • Hashimoto Y, Kotake K, Watanabe N, Fujiwara T, Sakamoto S. Lamotrigine in the maintenance treatment of bipolar disorder. Cochrane Database Syst Rev. 2021 Sep 15;9(9):CD013575. doi: 10.1002/14651858.CD013575.pub2.

    PubMed 34523118

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Lithium, Divalproex and Lamotrigine in people with Bipolar I Disorder and Bipolar II Disorder, run by The University of Texas Health Science Center at San Antonio at 2 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 8 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 19 Aug 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 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 14 Aug 2020). 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?

Bipolar Inventory of Symptoms Scale (BISS) (time frame: Change from Baseline to 26 weeks). 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 NCT01588457, which also lists 1 linked publication.

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 19 Aug 2020; AzTrials last refreshed its copy on 26 Oct 2026.

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