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Quetiapine Extended Release Depression Symptoms

NCT00640562 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 216

Last updated 2012-06-19

Study results available
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Summary

Aim of the study is to assess if the new compound Seroquel XR™ is non-inferior to Risperidone, considered as the reference drug for the treatment of depressive symptoms of schizophrenia.

PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. The SR designation was changed to XR after consultation with FDA.

Conditions

Interventions

DRUG

Quetiapine Extended Release

Uptitrated starting from 300 mg in the evening on day 0, then increasing to 600 mg and up to 800 mg in the following two evenings. Previous antipsychotic was taken at the full dose on day 0, half dose on day 1 and stopped from day 2. From day 3 onwards it was possible to adjust the Seroquel XR dose, depending on the clinical response and tolerability of the patient, within the range of 400-800 mg per day

DRUG

Risperidone

Uptitrated starting from 1 mg bid (morning and evening) on day 0, then increasing to 2 mg bid and up to 3 mg in the following two days. As per the other arm, previous antipsychotic was taken at the full dose on day 0, half dose on day 1 and stopped from day 2. From day 2 onwards, it was allowed to adjust he dose of Risperidone depending on the clinical response and tolerability of the patient.

Sponsors & Collaborators

Principal Investigators

  • Gino Montagnani, MD · AstraZeneca

  • Mario diFiorino · Ospedale Unico della Versilia (Lido di Camaiore, Lucca Italy)

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2008-02-29
Primary Completion
2010-02-28
Completion
2010-02-28

Countries

  • Italy

Study Locations

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Diseases
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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00640562 on ClinicalTrials.gov