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Efficacy and Tolerability of Ambroxol Lozenge 20 mf in Relieving Pain of Sore Throat in Pat. With Acute/Viralpharyngitis

Pharyngitis Clinical Trial

Official title:
Efficacy and Tolerability of Ambroxol Lozenge 20 mg in Relieving Pain of Sore Throat in Patients With Acute Viral Pharyngitis-A Randomised, Double-blind,Placebo- and Active-controlled Parallel Group Study

Clinical Trial Summary

The purpose of this trial is to investigate efficacy and tolerability of lozenges containing 20 mg a mbroxol hydrochloride (Mucoangin?) relative to lozenges containing placebo and lozenges containing 3 mg benzocaine in relieving pain of sore throat in patients suffering from acute viral pharyngitis.

Clinical Trial Description

This is a randomised, double-blind, placebo- and active-controlled parallel group study in adult pat ients, suffering from acute viral pharyngitis and throat pain of at least moderate intensity.

The whole study will last for up to 4 days, on each of test days patients will take one lozenge cont aining Ambroxol hydrochlorid 20 mg/ or placebo/ or benzocaine lozenge 3 mg up to 6 lozenges per day.

Using Patient Diaries the assessment of tolerability and efficacy by the patient will be obtained.

Study Hypothesis:

The primary hypothesis to be tested is the test of superiority of ambroxol 20 mg in comparison to placebo. If and only if the corresponding test of superiority to placebo is statistically significant, the hypothesis of non-inferiority of am broxol 20 mg in comparison to benzocaine 3 mg will be tested.

Comparison(s):

For the primary comparison the placebo lozenges will be used, for the secondary comparison the benzocaine 3 mg lozenges will be used. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00148499
Study type Interventional
Source Boehringer Ingelheim
Contact
Status Completed
Phase Phase 3
Start date October 2005
Completion date June 2006
View Details
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