# Benzonatate Dose Tolerance Study

> **NCT01690975** · PHASE1 · COMPLETED · sponsor: **Pfizer** · enrollment: 9 (actual)

## Conditions studied

- Cough

## Interventions

- **DRUG:** Placebo
- **DRUG:** Benzonatate - 400 mg
- **DRUG:** Benzonatate - 600 mg

## Key facts

- **NCT ID:** NCT01690975
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-07
- **Primary completion:** 2012-08
- **Final completion:** 2012-08
- **Target enrollment:** 9 (ACTUAL)
- **Last updated:** 2012-09-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01690975

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01690975, "Benzonatate Dose Tolerance Study". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01690975. Licensed CC0.

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