# Influence of Opioid Analgesia on Circulating Tumor Cells in Open Colorectal Cancer Surgery

> **NCT03700411** · PHASE4 · COMPLETED · sponsor: **The Institute of Molecular and Translational Medicine, Czech Republic** · enrollment: 125 (actual)

## Conditions studied

- Colorectal Cancer
- Circulating Tumor Cell

## Interventions

- **DRUG:** Morphine
- **DRUG:** Piritramid
- **DRUG:** Epidural

## Key facts

- **NCT ID:** NCT03700411
- **Lead sponsor:** The Institute of Molecular and Translational Medicine, Czech Republic
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-01-07
- **Primary completion:** 2023-11-01
- **Final completion:** 2023-12-06
- **Target enrollment:** 125 (ACTUAL)
- **Last updated:** 2023-12-07

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03700411

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03700411, "Influence of Opioid Analgesia on Circulating Tumor Cells in Open Colorectal Cancer Surgery". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT03700411. Licensed CC0.

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