# A Phase Ⅱ Study to Evaluate the Efficacy and Safety of YZJ-4729 in Patients With Moderate to Severe Acute Pain After Abdominal Surgery

> **NCT06680466** · PHASE2 · ACTIVE_NOT_RECRUITING · sponsor: **Shanghai Haiyan Pharmaceutical Technology Co., Ltd.** · enrollment: 179 (actual)

## Conditions studied

- Pain

## Interventions

- **DRUG:** YZJ-4729
- **DRUG:** morphine
- **DRUG:** placebo
- **DRUG:** YZJ-4729
- **DRUG:** YZJ-4729
- **DRUG:** YZJ-4729

## Key facts

- **NCT ID:** NCT06680466
- **Lead sponsor:** Shanghai Haiyan Pharmaceutical Technology Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2023-12-26
- **Primary completion:** 2024-07-15
- **Final completion:** 2024-11
- **Target enrollment:** 179 (ACTUAL)
- **Last updated:** 2024-11-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06680466

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06680466, "A Phase Ⅱ Study to Evaluate the Efficacy and Safety of YZJ-4729 in Patients With Moderate to Severe Acute Pain After Abdominal Surgery". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT06680466. Licensed CC0.

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