Study to Evaluate the Efficacy and Safety of Fixed Dose Combination of Diphenhydramine + Pseudoephedrine + Dropropizine in the Control of Cough and the Relief of Nasal Symptoms, Suffering From Non-productive Cough and Acute Rhinitis

Study Overview
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Brief Summary
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Multicenter clinical trial, phase III, controlled by active medicine, double-blind, randomized, enroll 208 subjects, above 12 years old, that suffer acute inflammation upper airway characterized by non-productive cough, daytime/nighttime, with duration for at least 3 and no more than 5 consecutive days (without systemic/topic use of medication during this period) followed by nasal congestion, with or without associate other nasal symptoms (sneezing, runny nose, nasal itching and/or mouth breathing). The subjects will be allocated in 2 parallel groups, and will receive the medicines of study, according of the randomization.

Official Title
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Multicenter Clinical Trial Phase III, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of Fixed Dose Combination of Diphenhydramine + Pseudoephedrine + Dropropizine in the Control of Cough and the Relief of Nasal Symptoms in Subjects Above 12 Years of Age, Suffering From Non-productive Cough and Acute Rhinitis.

Conditions
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Nasal Congestion, Cough

Intervention / Treatment
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* Drug: Group 1
* Drug: Group 2


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients over 12 years old, of both sexes; Clinical condition compatible with acute rhinitis accompanied by nasal congestion; Non-productive cough, daytime and/or nighttime with at least 3 and up 5 consecutive days in duration; Score greater than or equal to 3 points on the cough severity score (As per item 4.1.2); Score greater than or equal to 2 points on the nasal congestion severity score (As per item 4.1.3); If necessary, ICF signed by a parent/representant, or in case the patient over 18 years old, his own signature; Patient and/or representant capacity, according to investigator evaluation, for compliance at the treatment and protocol requirements, fulfilling the regular visits; Exclusion Criteria: Non-productive cough with purulent smear, fever (axilar temperature superior than 37,8°C/100°F), purulent runny nose and other signs and symptoms of bacteria infection of upper and lower airways at 7 days before the screening/randomization visit; Septal deviation level III (in any region and any nasal cavity) and/or nasal polyps or other determinants conditions of nasal congestion; Previous diagnosis of asthma; Female patients with positive b-HCG; Patients under treatment for chronic allergy; Presence of purulent or mucupurulent secretion, nasal vault or mal formations (cleft lip or cleft nasolabial corrected or not) in nasal vestibule; Current use of systemic antibiotics for any reason; Use of prohibited medicine within the prescribed period before V0 as shown in item 9.3 of this protocol; Participation in last one year of clinical protocols; Any psychiatric diseases, including major depression; Presence of mental retardation from any cause; Diagnosis of renal or hepatic failure; History of hypersensitivity to any component of the study drugs; Relatives of sponsor´s or study site´s employee; Current evidence of clinically significant diseases: hematopoietic, gastrointestinal, cardiovascular, hepatic, renal, neurological, endocrine, psychiatric, autoimmune, pulmonary, or another disease that block the patient participation; Patient or parent/representant with a history of lack of compliance to treatment or previous treatment protocols; Any finding of clinical observation (anamnesis and physical exam) laboratory abnormality (eg, blood glucose, blood count), disease (for example, liver, cardiovascular system, lung) or therapy that, in opinion of the investigator, may endanger the patient or interfere with the endpoints of study.

Ages Eligible for Study
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Minimum Age: 12 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Group 1<br>Fixed dose combination of diphenhydramine + dropropizine + pseudoephedrine (Notuss® syrup). | Drug: Group 1<br>* fixed dose combination of diphenhydramine + dropropizine + pseudoephedrine (Notuss® syrup).<br>|
| Placebo Comparator: Group 2<br>Placebo | Drug: Group 2<br>* placebo<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Primary efficacy criteria | The changes of lung function parameter: pre-bronchodilator forced expiratory volume in first second (FEV1) including baseline and 24th week. | baseline and week 24 | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Secondary efficacy criteria | Changes in forced expiratory volume in first second (FEV1). | baseline, week 8, 16 and 24 | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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cough, acute rhinitis, nasal congestion, common cold, nasal symptoms, children., Nasal congestion and non-productive cough, with or without associate other nasal and extranasal symptoms.