# Single Nucleotide Polymorphisms (SNPs) Associated With Postoperative Analgesic Failure

> **NCT03916120** · — · COMPLETED · sponsor: **Second Affiliated Hospital, School of Medicine, Zhejiang University** · enrollment: 198 (actual)

## Conditions studied

- Pain, Postoperative
- Thoracic Surgery, Video-Assisted
- Polymorphism, Single Nucleotide

## Interventions

- **GENETIC:** Genetic analysis

## Key facts

- **NCT ID:** NCT03916120
- **Lead sponsor:** Second Affiliated Hospital, School of Medicine, Zhejiang University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-07-15
- **Primary completion:** 2019-01-15
- **Final completion:** 2019-01-15
- **Target enrollment:** 198 (ACTUAL)
- **Last updated:** 2019-04-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03916120

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03916120, "Single Nucleotide Polymorphisms (SNPs) Associated With Postoperative Analgesic Failure". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT03916120. Licensed CC0.

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