# A Multiple Dose Study to Investigate Safety, Tolerability and Pharmacokinetics of TBN

> **NCT04667013** · PHASE1 · NOT_YET_RECRUITING · sponsor: **Guangzhou Magpie Pharmaceuticals Co., Ltd.** · enrollment: 16 (estimated)

## Conditions studied

- Healthy

## Interventions

- **DRUG:** Tetramethylpyrazine nitrone (TBN) tablet / Placebo

## Key facts

- **NCT ID:** NCT04667013
- **Lead sponsor:** Guangzhou Magpie Pharmaceuticals Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2025-09-01
- **Primary completion:** 2026-03-31
- **Final completion:** 2026-08-30
- **Target enrollment:** 16 (ESTIMATED)
- **Last updated:** 2025-03-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04667013

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04667013, "A Multiple Dose Study to Investigate Safety, Tolerability and Pharmacokinetics of TBN". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04667013. Licensed CC0.

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