Try our beta test site
IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...

Preopioid Versus Nonopioid in Total Knee Arthroplasty (TKA)

This study has been completed.
Information provided by (Responsible Party):
Troels Haxholdt Lunn, Hvidovre University Hospital Identifier:
First received: March 24, 2011
Last updated: June 4, 2013
Last verified: June 2013
Observational study evaluating pain response after total knee arthroplasty (TKA) in patients taking strong, weak or no opioids preoperatively.

Postoperative Pain

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Acute Pain After Fast-track Total Knee Arthroplasty: Preoperative Opioid Versus Non-opioid

Resource links provided by NLM:

Further study details as provided by Troels Haxholdt Lunn, Hvidovre University Hospital:

Primary Outcome Measures:
  • Pain [ Time Frame: 24 hours ]
    Pain during ambulation and at rest

Secondary Outcome Measures:
  • Pain [ Time Frame: 7 days ]
    Pain during ambulation and at rest

  • Opioid consumption [ Time Frame: 7 days ]

Enrollment: 140
Study Start Date: March 2011
Study Completion Date: February 2013
Primary Completion Date: February 2013 (Final data collection date for primary outcome measure)
Strong opioids
Patients taking strong opioids preoperatively
Weak opioids
Patients taking weak opioids preoperatively
Opioid native
Patients not taking opioids preoperatively


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
Patients operated with elective, primary, unilateral total knee artroplasty (TKA).

Inclusion Criteria:

Patients operated with elective, primary, unilateral total knee arthroplasty (TKA) (taking strong or weak opioid daily for minimum 4 weeks or opioid naive patients)

Exclusion Criteria:

  • Bilateral / revision arthroplasty
  • Disease affection central or peripheral nerve function
  • Alcohol and medical abuse
  • Daily use of glucocorticoids
  • Malignancy
  • BMI > 40
  • Dementia or other cognitive dysfunction
  • Treatment of anxiety or depression
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01323179

Dep. of Anesthesiology, Hvidovre University Hospital
Copenhagen, Hvidovre, Denmark, 2650
Dep. of ortopedic surgery, Gentofte Hospital
Hellerup, Denmark, 2900
Dep. of ortopedic surgery, Regionshospitalet Holstebro
Holstebro, Denmark, 7500
Dep. of ortopedic surgery, Vejle Sygehus
Vejle, Denmark, 7100
Sponsors and Collaborators
Hvidovre University Hospital
Principal Investigator: Troels H Lunn, MD Dep. of Anesthesiology, Hvidovre University Hospital
  More Information

Responsible Party: Troels Haxholdt Lunn, MD, Hvidovre University Hospital Identifier: NCT01323179     History of Changes
Other Study ID Numbers: 11123111
Study First Received: March 24, 2011
Last Updated: June 4, 2013

Keywords provided by Troels Haxholdt Lunn, Hvidovre University Hospital:
Postoperative pain
Postoperative opioid requirements

Additional relevant MeSH terms:
Pain, Postoperative
Neurologic Manifestations
Nervous System Diseases
Postoperative Complications
Pathologic Processes
Signs and Symptoms
Analgesics, Opioid
Central Nervous System Depressants
Physiological Effects of Drugs
Sensory System Agents
Peripheral Nervous System Agents processed this record on May 25, 2017