# A Study to Evaluate the Efficacy and Safety of HR18042 Tablets in the Treatment of Postoperative Pain of Impacted Tooth.

> **NCT04812860** · PHASE2 · COMPLETED · sponsor: **Jiangsu HengRui Medicine Co., Ltd.** · enrollment: 187 (actual)

## Conditions studied

- Moderate to Severe Acute Pain

## Interventions

- **DRUG:** HR18042
- **DRUG:** HR18042
- **DRUG:** HR18042
- **DRUG:** Tramadol hydrochloride ER
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04812860
- **Lead sponsor:** Jiangsu HengRui Medicine Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-12-08
- **Primary completion:** 2021-01-25
- **Final completion:** 2021-01-25
- **Target enrollment:** 187 (ACTUAL)
- **Last updated:** 2025-06-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04812860

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04812860, "A Study to Evaluate the Efficacy and Safety of HR18042 Tablets in the Treatment of Postoperative Pain of Impacted Tooth.". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04812860. Licensed CC0.

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