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. Author manuscript; available in PMC: 2011 May 26.
Published in final edited form as: Drugs Aging. 2008;25(8):631–647. doi: 10.2165/00002512-200825080-00002

Table II.

Double-blind trials examining selective serotonin reuptake inhibitor augmentation of antipsychotic agents in patients with schizophreniaa

Study n Baseline depression Medication Duration
(wk)
Results
Silver and Nassar[47] 30 Mean HDRS score 7.7 (placebo and
fluvoxamine groups)
Fluvoxamine 7 No differences in HDRS
Scores
Addington et al.[48] 48 Schizophrenia with major depression; mean
HDRS score 20.6; mean CDRS score 14.0
(for both groups combined)
Sertraline 6 No difference in CDRS or
HDRS scores
Buchanan et al.[49] 33 Mild-to-moderate depression; mean HDRS
score 13.3 (fluoxetine), 12.6 (placebo)
Fluoxetine
augmentation of
clozapine
8 No difference in HDRS
scores
Goff et al.[50] 41 Mild-to-moderate depressive symptoms;
major depression excluded; mean HDRS
score 13.9 (fluoxetine), 12.8 (placebo)
Fluoxetine
augmentation of
depot antipsychotic
6 No difference in HDRS
scores
Spina et al.[51] 30 Mild-to-moderate depressive symptoms;
mean HDRS score 11.5 (fluoxetine), 12.2
(placebo)
Fluoxetine 12 HDRS scores better in
fluoxetine group
Salokangas et al.[52] 90 Not specified except that scores of ≥4 on
PANSS P7 (hostility), N4 (passive apathetic
withdrawal), G2 (anxiety) and G6
(depression) were required for inclusion
Citalopram 12 No depression outcomes
assessed; improvement in
CGI and subjective well-
being, based on a visual
analogue scale
Vartiainen et al.[46] 19 Not specified except that subjects were
patients with schizophrenia and were
excluded if their score on item 9
(depression) of the BPRS was >3
Citalopram 24 No depression outcomes
assessed; lower frequency
of aggressive incidents with
citalopram
a

All studies were double blind and placebo controlled except Vartiainen et al.,[46] which was a double-blind, placebo-controlled, crossover study.

BPRS = Brief Psychiatric Rating Scale; CDRS = Calgary Depression Rating Scale; CGI = Clinical Global Impressions scale; HDRS = Hamilton Depression Rating Scale; PANSS = Positive and Negative Syndrome Scale.