Depressive Disorder, Major Clinical Trial
Official title:
A Multi-centre, Randomised, Double-blind, Parallel Active-controlled Study Evaluating the Efficacy, Safety and Tolerability of Bupropion Hydrochloride Extended-release (Bupropion XL 300mg Once Daily), Escitalopram Oxalate (Escitalopram, 10mg-20mg Once Daily) in Subjects With Major Depressive Disorder
This multi-centre study will follow a randomised, double-blind, parallel-group,
active-controlled design and will evaluate the efficacy, safety and tolerability of bupropion
extended-release (XL) (300 mg/day) compared with escitalopram (10-20 mg/day) in outpatients
and inpatients with major depressive disorder (MDD). The total duration of the study will be
11 weeks consisting of three phases. The screening phase (phase I) will be lasting for 0-14
days, subjects will be randomised to bupropion XL or escitalopram in a 1:1 ratio for acute
phase treatment phase (phase II) for 8 weeks. There are 3 dose levels during this acute
treatment phase. The 3-dose level plan is designed to ensure each drug is titrated according
to the prescribing information and to reach an optimal clinical dose. Finally patients will
enter the taper phase (phase III) for up to 1 week to assess and reduce the possible
withdrawal symptoms.
In China almost all existing antidepressants are available on the market, but bupropion XL
has not yet been approved. This Phase III clinical trial will be used for the purpose of
registering bupropion XL in China.
n/a
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