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Study of Transdermal Fentanyl Patch to Treat Postoperative Pain in Total Knee Arthroplasty (TFP)

This study has been completed.
Information provided by:
Khon Kaen University Identifier:
First received: May 4, 2011
Last updated: May 5, 2011
Last verified: February 2010
The purpose of this study is to determine whether transdermal fentanyl patch

Condition Intervention Phase
Postoperative Pain Drug: transdermal fentanyl patch Drug: placebo patch Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Transdermal Fentanyl Patch for Postoperative Analgesia in Total Knee Arthroplasty

Resource links provided by NLM:

Further study details as provided by Khon Kaen University:

Primary Outcome Measures:
  • intravenous morphine consumption [ Time Frame: 48 hours ]

Secondary Outcome Measures:
  • Pain score [ Time Frame: 48 hours ]

Enrollment: 40
Study Start Date: April 2010
Study Completion Date: December 2010
Primary Completion Date: October 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: group 1
group 1 = transdermal fentanyl patch
Drug: transdermal fentanyl patch
TFP = transdermal fentanyl patch (50 microgram/hour)
Other Name: Duragesic
Placebo Comparator: group 2
placebo patch
Drug: placebo patch
group 2 = placebo patch
Other Name: Duragesic

Detailed Description:

Total knee arthroplasty (TKA) has severe postoperative pain that prevents mobilization of patient. The best standard analgesia regimen is patient-control analgesia (PCA) which requires a PCA pump that is expensive.

Transdermal fentanyl patch (TFP)(50 mcg/hr) can release fentanyl into blood circulation at rate 50 mcg/hr for three days. It has slow onset of about 12-14 hours, so it's used to treat chronic pain, not popular for a cure of pain. If the investigators apply TFP at appropriate times, i.e. 12-14 hours before surgery, it may be used to treat acute postoperative pain.

If it can give good analgesia for TKA, it can replace PCA. The benefit is that it is much cheaper and more convenient.


Ages Eligible for Study:   18 Years to 80 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients who were scheduled for TKA gave informed consent for inclusion

Exclusion Criteria:

  • ASA class 3-4
  • Known allergy to any of the drugs to be used, eg. TFPs ,MO
  • History of substance or alcohol abuse, and tolerance or dependence on opioids
  • Can not use PCA
  • Contraindication for spinal anesthesia
  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: NCT01348984

Srinagarind Hospital, Faculty of Medicine, Khon Kaen University
Khon Kaen, Thailand, 40002
Sponsors and Collaborators
Khon Kaen University
Principal Investigator: Thepakorn Sathitkarnmanee, MD Faculty of Medicine, Khon Kaen University
  More Information

Responsible Party: Thepakorn Sathitkarnmanee, Faculty of Medicine, Khon Kaen University Identifier: NCT01348984     History of Changes
Other Study ID Numbers: TFP TKA
Study First Received: May 4, 2011
Last Updated: May 5, 2011

Keywords provided by Khon Kaen University:
pain score
morphine consumption

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
Adjuvants, Anesthesia
Anesthetics, Intravenous
Anesthetics, General
Anesthetics processed this record on September 20, 2017