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Paroxetine with pindolol augmentation: A double-blind, randomized, placebo-controlled study in depressed in-patients.

Author(s): Geretsegger C, Bitterlich W, Stelzig R, Stuppaeck C, Bondy B, Aichhorn W

Affiliation(s): University Clinics of Psychiatry and Psychotherapy I, Paracelsus Medical University, Ignaz-Harrer-Str. 79, 5020 Salzburg, Austria.

Publication date & source: 2008-02, Eur Neuropsychopharmacol., 18(2):141-6. Epub 2007 Nov 28.

Pindolol, a 5-HT1A autoreceptor antagonist, given in combination with selective serotonin reuptake inhibitors (SSRIs), may enhance and/or accelerate the therapeutic efficacy of SSRIs. Fifty patients, meeting ICD-10 criteria for major depressive disorder or bipolar depression, were enrolled in our randomized, placebo-controlled, double-blind trial. One group received paroxetine plus pindolol (2.5 mg t.i.d.), and the other group received paroxetine plus placebo. The proportion of patients with sustained response (>/=50% reduction of baseline HAM-D 17 score maintained until the endpoint; p=0.252) and the proportion of patients with remission (HAM-D 17 </=8 at last visit; p=0.769) did not differ significantly between the two treatment groups. However, a significantly greater proportion of patients who were not previously treated with antidepressants (n=15; p=0.041) and of patients with bipolar depression (n=11; p=0.015) had a sustained response in the paroxetine plus pindolol group compared to the paroxetine plus placebo group; furthermore there was a trend for first episode depressed patients to have a greater response in the paroxetine plus pindolol group (n=12; p=0.071). Summarizing, the entire study population showed no antidepressive benefit from pindolol augmentation. Nevertheless patients with bipolar depression irrespective of previous treatments and duration of illness, and unipolar patients not previously treated demonstrated a significant benefit from pindolol augmentation.

Page last updated: 2008-01-02

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