# Single Ascending Dose and Multiple Ascending Dose Study of Niclosamide Inhalation Powder in Healthy Adult Subjects

> **NCT05168644** · PHASE1 · COMPLETED · sponsor: **TFF Pharmaceuticals, Inc.** · enrollment: 40 (actual)

## Conditions studied

- Healthy

## Interventions

- **DRUG:** Niclosamide Inhalation Powder
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT05168644
- **Lead sponsor:** TFF Pharmaceuticals, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-11-14
- **Primary completion:** 2022-01-26
- **Final completion:** 2022-01-26
- **Target enrollment:** 40 (ACTUAL)
- **Last updated:** 2022-02-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05168644

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05168644, "Single Ascending Dose and Multiple Ascending Dose Study of Niclosamide Inhalation Powder in Healthy Adult Subjects". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05168644. Licensed CC0.

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