Table 6.

List of Included Thyroid Hormone Studies.

Trial	Treatment Comparators
Gitlin et al., 1987 [68]	T3 plus Imipramine; placebo plus Imipramine
Joffe et al., 1990 [66]	T3 plus TCA; T4 plus TCA
Joffe et al., 1993 [62]	T3 plus TCA; Lithium plus TCA; placebo plus TCA
Appelhof et al., 2004 [67]	T3 plus Paroxetine; placebo plus Paroxetine
Nierenberg et al., 2006 [63]	T3 plus antidepressant; Lithium plus antidepressant
Joffe et al., 2006 [64]	T3 plus Lithium plus antidepressant; T3 plus antidepressant; Lithium plus antidepressant; placebo plus antidepressant
Fang et al., 2011 [49]	Valproate plus Paroxetine; Risperidone plus Paroxetine; Buspirone plus Paroxetine; Trazodone plus Paroxetine; Thyroid Hormone plus Paroxetine

T3 = triiodothyronine; TCA = tricyclic antidepressant; T4 = thyroxine.