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| ID | Type | Description | Link |
|---|---|---|---|
| R21MH067055 | U.S. NIH Grant/Contract | View source | |
| DSIR 83-ATSO |
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| Name | Class |
|---|---|
| National Institute of Mental Health (NIMH) | NIH |
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This study will compare the medications lithium and lamotrigine (Lamictal®) in treating depression in individuals with bipolar II disorder.
Bipolar II disorder (BDII) is a serious condition characterized by depressive and hypomanic episodes. The disability and suicide risk associated with BDII is equal to bipolar I disorder. However, there are no clinical trials for BDII, nor is the treatment of BDII addressed in current treatment guidelines. Data suggest that Li and LTG may be effective treatment options for BDII. This study will determine the safety, effectiveness, and tolerability of the two drugs in people with BDII.
Participants in this study will be randomly assigned to receive either Li or LTG for 16 weeks. Participants will be assessed every 2 weeks. One week after study completion, participants will have a follow-up visit. Measures of depression, mania, quality of life, functioning, and participant satisfaction will be taken.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 1 Lithium | Experimental |
| |
| 2 Lamotrigine | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Lithium | Drug | Participants will receive lithium. |
| |
| Lamotrigine |
| Measure | Description | Time Frame |
|---|---|---|
| Change in depression symptoms, as measured by the Hamilton Rating Scale for Depression | Measured at baseline and Week 16 |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence and severity of hypomanic and depressive symptoms | Measured at baseline and Week 16 | |
| Medication tolerability, response (defined as a 50% reduction on the Ham-D), and remission (defined as Ham-D or MADRS score less than 12) | Measured at baseline and Week 16 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Trisha Suppes, MD, PhD | Stanford University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Texas Southwestern Medical Center at Dallas | Dallas | Texas | 75390-9121 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 18358540 | Result | Suppes T, Marangell LB, Bernstein IH, Kelly DI, Fischer EG, Zboyan HA, Snow DE, Martinez M, Al Jurdi R, Shivakumar G, Sureddi S, Gonzalez R. A single blind comparison of lithium and lamotrigine for the treatment of bipolar II depression. J Affect Disord. 2008 Dec;111(2-3):334-43. doi: 10.1016/j.jad.2008.02.004. Epub 2008 Mar 20. |
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| ID | Term |
|---|---|
| D001714 | Bipolar Disorder |
| ID | Term |
|---|---|
| D000068105 | Bipolar and Related Disorders |
| D019964 | Mood Disorders |
| D001523 | Mental Disorders |
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| ID | Term |
|---|---|
| D008094 | Lithium |
| D000077213 | Lamotrigine |
| ID | Term |
|---|---|
| D008672 | Metals, Alkali |
| D004602 | Elements |
| D007287 | Inorganic Chemicals |
| D019565 | Metals, Light |
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| Drug |
Participants will receive lamotrigine. |
|
| Switch into hypomania, defined as a CGI-BP Mania severity score of 4 or greater | Measured at baseline and Week 16 |
| D008670 |
| Metals |
| D014227 | Triazines |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |