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Dose-Finding Safety and Efficacy Trial of Org 50081 (Esmirtazapine) in the Treatment of Vasomotor Symptoms (177001/P06472/MK-8265-013)

Menopause Clinical Trial

Official title:
A Multicenter, Randomized, Parallel-Group, Double-Blind, Placebo-Controlled Trial to Evaluate the Efficacy and Safety of Four Different Doses of Org 50081 in the Treatment of Moderate to Severe Vasomotor Symptoms Associated With the Menopause

Clinical Trial Summary

To investigate efficacy and safety of 4 doses of esmirtazapine, compared to placebo, in the treatment of moderate to severe hot flushes (vasomotor symptoms) associated with the menopause. Co-primary efficacy endpoints are the frequency and severity of hot flushes after 4 and 12 weeks as compared to Baseline.

Clinical Trial Description

The most direct treatment of hot flushes may be by means of 5-HT2A receptor antagonist. Mirtazapine is a potent blocker of 5-HT2A receptors and was found to be effective in reducing the number and intensity of hot flushes in preliminary trials. Also several Selective Serotonin Reuptake Inhibitors (SSRIs) and other similar compounds have been investigated to manage hot flushes, confirming the role of the serotonergic system. In the present trial, the efficacy and safety of four different doses of esmirtazapine compared to placebo were investigated in women with moderate to severe vasomotor symptoms associated with the menopause. The primary objective of this trial was to demonstrate superior efficacy in at least one of the four doses of esmirtazapine as compared to placebo on the four following co-primary endpoints: 1) the mean change from baseline in average daily frequency of moderate and severe vasomotor symptoms at Week 4; 2) the mean change from baseline in average daily frequency of moderate and severe vasomotor symptoms at Week 12; 3) the mean change from baseline in average daily severity of moderate and severe vasomotor symptoms at Week 4; 4) the mean change from baseline in average daily severity of moderate and severe vasomotor symptoms at Week 12. The number and severity of hot flushes was recorded by means of electronic diary by the subjects. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00535288
Study type Interventional
Source Merck Sharp & Dohme Corp.
Contact
Status Completed
Phase Phase 3
Start date September 15, 2004
Completion date January 15, 2006
View Details
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