# A Clinical Study of SHR8554 Injection for the Treatment of Pain After Abdominal Surgery.

> **NCT04766463** · PHASE3 · COMPLETED · sponsor: **Jiangsu HengRui Medicine Co., Ltd.** · enrollment: 528 (actual)

## Conditions studied

- Pain

## Interventions

- **DRUG:** SHR8554 Injection
- **DRUG:** SHR8554 Injection
- **DRUG:** Placebo
- **DRUG:** Morphine

## Key facts

- **NCT ID:** NCT04766463
- **Lead sponsor:** Jiangsu HengRui Medicine Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-03-03
- **Primary completion:** 2021-10-19
- **Final completion:** 2021-11-01
- **Target enrollment:** 528 (ACTUAL)
- **Last updated:** 2022-07-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04766463

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04766463, "A Clinical Study of SHR8554 Injection for the Treatment of Pain After Abdominal Surgery.". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04766463. Licensed CC0.

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