Ambroxol Spray Sore Throat Study
A Multi-centre, Randomised, Double-blind, Placebo Controlled Parallel Group, Dose Finding Study to Assess the Efficacy and Safety of Ambroxol Spray (2.5mg, 5mg or 10mg) Versus Placebo for the Temporary Relief of Sore Throat Pain in Patients With Acute Pharyngitis
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
-
Bloemfontein, South Africa
- 18.504.27015 Boehringer Ingelheim Investigational Site
-
Cape Town, South Africa
- 18.504.27005 Boehringer Ingelheim Investigational Site
-
Cape Town, South Africa
- 18.504.27011 Boehringer Ingelheim Investigational Site
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Cape Town, South Africa
- 18.504.27013 Boehringer Ingelheim Investigational Site
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Cape Town, South Africa
- 18.504.27014 Boehringer Ingelheim Investigational Site
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Durban, South Africa
- 18.504.27008 Boehringer Ingelheim Investigational Site
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Durban, South Africa
- 18.504.27010 Boehringer Ingelheim Investigational Site
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Johannesburg, South Africa
- 18.504.27001 Boehringer Ingelheim Investigational Site
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Klipspruit West, South Africa
- 18.504.27004 Boehringer Ingelheim Investigational Site
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Krugersdorp, South Africa
- 18.504.27003 Boehringer Ingelheim Investigational Site
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Lenasia, South Africa
- 18.504.27002 Boehringer Ingelheim Investigational Site
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Newtown, South Africa
- 18.504.27006 Boehringer Ingelheim Investigational Site
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Paarl, South Africa
- 18.504.27012 Boehringer Ingelheim Investigational Site
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Pretoria, South Africa
- 18.504.27007 Boehringer Ingelheim Investigational Site
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Sydenham, South Africa
- 18.504.27009 Boehringer Ingelheim Investigational Site
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria:
- Sore throat due to acute pharyngitis (not more than 72 hours);
- Score of 6 or greater on an 11-point pain intensity numerical rating scale;
- Willingness to remain at the study centre for one hour following the first dose of study medication and return one to three days later.
- Willing to take nothing by mouth except study medication for three hours following the first intake of study medication. Patients must also not smoke during this time period.
Exclusion criteria:
- Known allergy to and/or hypersensitivity to ambroxol, sorbitol, or Acetaminophen;
- Patients with drug dependence and/or alcohol abuse;
- Use of any throat lozenge, throat spray, cough drop, menthol-containing product, or any product with demulcent properties within last 2 hours;
- Use of any analgesic/anti-pyretic within last 4 hours;
- Use of any "cold medication" (e.g. decongestant, antihistamine, expectorant, anti-tussive) within last eight hours;
- Use of an antibiotic for an acute illness within last 24 hours;
- Use of inhaled steroids or beta-agonists on a continuous basis during the last week;
- Use of any investigational therapy (including a marketed drug taken for an investigational indication) within last 30 days
- Any sign of mouth-breathing due to nasal congestion;
- Cough that causes throat discomfort;
- Active pulmonary disease such as bronchopneumonia;
- Pregnant, lactating or breastfeeding women,
- Any medical or psychiatric condition which, in the opinion of the investigator, could increase the risks associated with participation in an investigational study or affect compliance with the protocol.
- Patients who have previously enrolled in this study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Active Comparator: Ambroxol Spray 2.5mg
Ambroxol Spray Low Dose
|
low dose Ambroxol Spray
medium dose Ambroxol Spray
high dose Ambroxol Spray
|
|
Active Comparator: Ambroxol Spray 5mg
Ambroxol Spray Medium Dose
|
low dose Ambroxol Spray
medium dose Ambroxol Spray
high dose Ambroxol Spray
|
|
Active Comparator: Ambroxol Spray 10mg
Ambroxol Spray High dose
|
low dose Ambroxol Spray
medium dose Ambroxol Spray
high dose Ambroxol Spray
|
|
Placebo Comparator: Placebo Spray
|
Placebo Spray
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
The primary endpoint is the time-weighted average of the pain intensity difference (PID) from pre-dose baseline over the first two hours after the first spray application expressed as a ratio of the pre-dose baseline (SPIDnorm0-2h).
Time Frame: 2 hours
|
2 hours
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Patients will record their pain intensity on the 11-point ordinal numerical rating scale in the diary additionally at 3 hours after the first spray application and the corresponding SPIDnorm0-3h
Time Frame: 3 hours
|
3 hours
|
|
Patients will record their pain intensity on the 11-point ordinal numerical rating scale in the diary additionally at 4, 6, 12 and 24 hours after the first spray application and the corresponding SPIDnorm0-24h
Time Frame: 4, 6, 12 and 24 hours
|
4, 6, 12 and 24 hours
|
|
Patient assessment of efficacy at 3 and 24 hours after the first spray application will be assessed on a 5-point verbal rating scale.
Time Frame: 3 and 24 hours
|
3 and 24 hours
|
Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 18.504
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