Sildenafil adjunctive therapy to risperidone in the treatment of the negative symptoms of schizophrenia: a double-blind randomized placebo-controlled trial

Rational It has been suggested that phosphodiesterase 5 inhibitors such as sildenafil may be effective in the treatment of negative symptoms of schizophrenia. Objective This study was designed to investigate the effect of sildenafil added to risperidone as augmentation therapy in patients with chron...

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Veröffentlicht in:Psychopharmacologia 2011-02, Vol.213 (4), p.809-815
Hauptverfasser: Akhondzadeh, Shahin, Ghayyoumi, Raofeh, Rezaei, Farzin, Salehi, Bahman, Modabbernia, Amir-Hossein, Maroufi, Azad, Esfandiari, Gholam-Reza, Naderi, Mehrangiz, Ghebleh, Fariba, Tabrizi, Mina, Rezazadeh, Shams-Ali
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Sprache:eng
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