The primary purpose of this study is to evaluate the efficacy of (SEROQUEL SR™ ) quetiapine fumarate sustained-release (SR) compared to placebo in the treatment of anxiety symptoms in patients with generalized anxiety disorder (GAD). PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. The SR designation was changed to XR after consultation with FDA.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
800
To evaluate the efficacy compared to placebo in the treatment of anxiety symptoms in patients with generalized anxiety disorder (GAD) at Day 57 (= end of treatment).
To evaluate efficacy by evaluating response rate.
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Research Site
City Bell, Buenos Aires, Argentina
Research Site
Godoy Cruz, Mendoza Province, Argentina
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Mendoza, Mendoza Province, Argentina
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Rosario, Santa Fe Province, Argentina
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Buenos Aires, Argentina
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Córdoba, Argentina
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La Plata, Argentina
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Kardzhali, Bulgaria
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Rousse, Bulgaria
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Sofia, Bulgaria
...and 76 more locations