# Effectiveness and Safety of the of Guaifenesin, Doxylamine Succinate and Hydrochloride Etafedrine Syrup in Improvement of Symptoms Resulting From Acute Respiratory Infections.

> **NCT00857987** · PHASE3 · UNKNOWN · sponsor: **Azidus Brasil** · enrollment: 174 (estimated)

## Conditions studied

- Upper Airway Infections

## Interventions

- **DRUG:** EMS Expectorant
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT00857987
- **Lead sponsor:** Azidus Brasil
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2010-04
- **Primary completion:** 2011-10
- **Final completion:** 2011-12
- **Target enrollment:** 174 (ESTIMATED)
- **Last updated:** 2011-01-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00857987

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00857987, "Effectiveness and Safety of the of Guaifenesin, Doxylamine Succinate and Hydrochloride Etafedrine Syrup in Improvement of Symptoms Resulting From Acute Respiratory Infections.". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT00857987. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*