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Triiodothyronine (T3) Supplementation in the Treatment of Bipolar and Unipolar Depression.

Triiodothyronine (T3) Supplementation in Bipolar and Unipolar Depression: A Random Assignment, Double Blind, Placebo-Controlled Study.

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00158990
Enrollment
220
Registered
2005-09-12
Start date
2002-10-31
Completion date
2007-07-31
Last updated
2007-01-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Major Depression, Bipolar Disorder, Unipolar Depression

Keywords

major depression, bipolar disorder, unipolar depression, sertraline, triiodothyronine

Brief summary

The purpose of this project is to determine whether concurrent treatment of patients with major depression (unipolar or bipolar) with triiodothyronine (T3) and sertraline, will lead to a stronger and/or more rapid antidepressant effect than treatment with sertraline alone.

Detailed description

AIM: To determine the therapeutic efficacy and adverse effects of triiodothyronine (T3) as a supplement to the treatment of bipolar depression (BPD) with a mood stabilizer (MS) (lithium - Li, valproic acid - VPA or carbamazepine - CBZ) and the specific serotonin reuptake inhibitor (SSRI), sertraline; and as a supplement to the treatment of unipolar depression (UPD) with sertraline. METHOD: A random assignment, double blind, placebo-controlled trial separately evaluating patients with a) BPD who are treated with MS + sertraline + T3 or MS + sertraline + placebo and b) UPD who are treated with sertraline + T3 or sertraline + placebo, for up to 8 weeks in both cases. The design of the trial will permit both the outcome of treatment and the speed of response to be evaluated.

Interventions

DRUGsertraline

Sponsors

Stanley Medical Research Institute
CollaboratorOTHER
Hadassah Medical Organization
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

1. Diagnosis of Major Depressive Episode (MDE) in the context of Bipolar Disorder I or II (BPD-I or BPD-II) or Major Depressive Disorder (UPD), according to DSM-IV criteria, without psychotic features. 2. Hamilton Depression Scale (HAM-D) total \>16 with item 1 (depressed mood) \>2. 3. Age 18-70 years, male or female. 4. Competent and willing to give written informed consent.

Exclusion criteria

1. No clinical hyper- or hypothyroidism nor other thyroid illness. 2. No neurological or other physical illness that may impact upon the study or limit prescription of the study medications. 3. No lifetime history of substance or alcohol dependence or of abuse in the preceding 12 months. 4. No significant suicidal risk (HAM-D item 3 (suicide) \<3).

Design outcomes

Primary

MeasureTime frame
Response - HAM-D-21 improvement >50% at 8 weeks
Remission - final HAM-D-21 total <7 at 8 weeks

Secondary

MeasureTime frame
Rate of change in HAM-D-21 scores over 8 week treatment period

Countries

Israel, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026