# Comparison of Postoperative Pain Score Between Perioperative Intravenous Ketamine and Placebo in Patients Undergoing Unilateral Total Knee Arthroplasty Under General Anesthesia

> **NCT06267638** · PHASE4 · UNKNOWN · sponsor: **Ministry of Health, Thailand** · enrollment: 100 (estimated)

## Conditions studied

- Knee Osteoarthritis

## Interventions

- **DRUG:** Ketamine group
- **DRUG:** Placebo group

## Key facts

- **NCT ID:** NCT06267638
- **Lead sponsor:** Ministry of Health, Thailand
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2024-01-22
- **Primary completion:** 2025-12-31
- **Final completion:** 2025-12-31
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2024-03-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06267638

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06267638, "Comparison of Postoperative Pain Score Between Perioperative Intravenous Ketamine and Placebo in Patients Undergoing Unilateral Total Knee Arthroplasty Under General Anesthesia". Retrieved via AI Analytics 2026-06-14 from https://api.ai-analytics.org/clinical/NCT06267638. Licensed CC0.

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