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The antitussive and expectorant drug Duopect evaluated by the preferential test
Archivum Immunologiae Et Therapiae Experimentalis
|January 1, 1976
Summary
Duopect, a combination of narcotine hydrochloride and glyceryl guiacolate, effectively reduced cough and improved expectoration in chronic bronchitis patients. This antitussive and expectorant medicine demonstrated minimal side effects in a double-blind study.
Area of Science:
- Pharmacology
- Respiratory Medicine
- Clinical Trials
Background:
- Chronic bronchitis is characterized by persistent cough and excessive mucus production.
- Effective management of symptoms like cough and expectoration is crucial for patient quality of life.
Purpose of the Study:
- To evaluate the efficacy and safety of Duopect as an antitussive and expectorant.
- To compare Duopect's effects against its active component, narcotine, and a placebo.
Main Methods:
- A double-blind, preferential test design was employed.
- Sixty-two patients diagnosed with chronic bronchitis participated in the study.
- The study assessed the intensity and frequency of cough and expectoration.
Main Results:
- Duopect demonstrated significant effectiveness in reducing cough intensity and frequency.
- The preparation also showed positive effects on expectoration.
- Reported side effects were minimal and transient.
Conclusions:
- Duopect is an effective medication for managing cough and expectoration in chronic bronchitis.
- The combination therapy offers a favorable safety profile with limited side effects.