---
title: Intra- Versus Extraarticular Injection of Ropivacaine in Total Knee Arthroplasty
nct_id: NCT00632580
overall_status: UNKNOWN
phase: PHASE4
sponsor: Hvidovre University Hospital
study_type: INTERVENTIONAL
primary_condition: Pain, Postoperative
countries: Denmark
canonical_url: "https://parkinsonspathways.com/agent/trials/NCT00632580.md"
clinicaltrials_gov: "https://clinicaltrials.gov/study/NCT00632580"
ct_last_update_post_date: 2009-03-18
last_seen_at: "2026-05-12T06:58:42.213Z"
source: ClinicalTrials.gov (mirrored, no enrichment)
---
# Intra- Versus Extraarticular Injection of Ropivacaine in Total Knee Arthroplasty

**Official Title:** Intraartikulær Versus ekstraartikulær Bolus Injektion Med Ropivacain Ved Total knæalloplastik: et Prospektivt, Randomiseret, Dobbeltblindet, Kontrolleret Studie

**NCT ID:** [NCT00632580](https://clinicaltrials.gov/study/NCT00632580)

## Key Facts

- **Status:** UNKNOWN
- **Phase:** PHASE4
- **Study Type:** INTERVENTIONAL
- **Target Enrollment:** 60
- **Lead Sponsor:** Hvidovre University Hospital
- **Conditions:** Pain, Postoperative
- **Start Date:** 2008-01
- **Completion Date:** 2008-07
- **CT.gov Last Update:** 2009-03-18

## Brief Summary

The purpose of this study is to evaluate the optimal site for application of local anesthetics in total knee arthroplasty surgery. The hypothesis is, that improved pain relief is obtained when administering local anesthetics in the tissues sourrounding the knee joint compared to the knee joint itself.

## Eligibility

- **Minimum age:** 18 Years
- **Sex:** ALL
- **Healthy Volunteers:** No

```
Inclusion Criteria:

* eligible for elective total knee arthroplasty
* able to speak and understand Danish
* able to give informed consent

Exclusion Criteria:

* alocohol or medical abuse
* allergies to local anesthetics
* age \< 18 yrs.
* intolerance to opioids
```

## Arms

- **1** (ACTIVE_COMPARATOR) — intraarticular injection with local anesthetic
- **2** (EXPERIMENTAL) — intracapsular injection with local anesthetic

## Interventions

- **intraarticular injection with ropivacaine** (DRUG)
- **extraarticular injection with ropivacaine** (DRUG)

## Primary Outcomes

- **pain** _(time frame: 48 hours)_

## Locations (1)

- Hvidovre University Hospital, Copenhagen, Denmark — _RECRUITING_

## Recent Field Changes (last 30 days)

- `status.overallStatus` — added _(2026-05-12)_
- `status.primaryCompletionDate` — added _(2026-05-12)_
- `status.completionDate` — added _(2026-05-12)_
- `status.lastUpdatePostDate` — added _(2026-05-12)_
- `design.phases` — added _(2026-05-12)_
- `design.enrollmentCount` — added _(2026-05-12)_
- `eligibility.criteria` — added _(2026-05-12)_
- `eligibility.minAge` — added _(2026-05-12)_
- `eligibility.sex` — added _(2026-05-12)_
- `outcomes.primary` — added _(2026-05-12)_
- `armsInterventions.arms` — added _(2026-05-12)_
- `armsInterventions.interventions` — added _(2026-05-12)_
- `sponsor.lead` — added _(2026-05-12)_
- `results.hasResults` — added _(2026-05-12)_
- `locations.hvidovre university hospital|copenhagen||denmark` — added _(2026-05-12)_

---

*Canonical: https://parkinsonspathways.com/agent/trials/NCT00632580.md*  
*Source data (authoritative): https://clinicaltrials.gov/study/NCT00632580*  
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