# Efficacy and Safety of HSK21542 in Inducing Postoperative Analgesia in Undergoing Elective Laparoscopic Surgery

> **NCT04424251** · PHASE2 · COMPLETED · sponsor: **Haisco Pharmaceutical Group Co., Ltd.** · enrollment: 124 (actual)

## Conditions studied

- Analgesia

## Interventions

- **DRUG:** Experimental: stage I：HSK21542 0.4 μg/kg
- **DRUG:** Experimental: stage I：HSK21542 1 μg/kg
- **DRUG:** Experimental: stage I：HSK21542 0.5μg/kg
- **DRUG:** Experimental: stage I：HSK21542 1μg/kg
- **DRUG:** Experimental: stage II：HSK21542 0.5μg/kg
- **DRUG:** Experimental: stage II：HSK21542 1μg/kg
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04424251
- **Lead sponsor:** Haisco Pharmaceutical Group Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-07-02
- **Primary completion:** 2020-12-07
- **Final completion:** 2021-01-05
- **Target enrollment:** 124 (ACTUAL)
- **Last updated:** 2024-08-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04424251

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04424251, "Efficacy and Safety of HSK21542 in Inducing Postoperative Analgesia in Undergoing Elective Laparoscopic Surgery". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04424251. Licensed CC0.

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