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Knee ArthropathyNCT03106129

Opioid Requirements Post Discharge of Patients Having Total Knee Arthroplasty (TKA)

An observational study of Knee Arthropathy and Opioid Use, run by Sunnybrook Health Sciences Centre at 1 site in Canada.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Total knee arthroplasty (TKA) may result in significant postoperative pain. The majority of these patients are prescribed opioids for the management of postoperative pain. Recent evidence has highlighted that postoperative opioids are being over-prescribed resulting in opioid misuse and abuse. Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Knee Arthropathy, Opioid Use, Pain
How many people
200 participants
Where
1 siteCanada
Study dates
9 Feb 2017to 30 Dec 2022
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: All participants must be 18 years or older and are undergoing an elective total knee arthroplasty at Sunnybrook Holland Orthopaedic and Arthritic Centre. All participants must speak English and be able to receive phone calls once a week for 6 weeks after surgery.

Who may be able to join

  • 18 years or older
  • Having an elective total knee replacement done at Sunnybrook Holland Orthopaedic and Arthritic Centre.
  • All participants must speak English and have no communication barriers.

Who cannot join

  • If you are taking >10mg morphine equivalents per day
  • Deemed incompetent to be able to self prescribe opioids.

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • Sunnybrook Health Sciences Centre

    Toronto, Ontario, M4Y 1H1

Other trials in Canada

About this study

Total knee arthroplasty (TKA) may result in significant postoperative pain. The majority of these patients are prescribed opioids for the management of postoperative pain. Recent evidence has highlighted that postoperative opioids are being over-prescribed resulting in opioid misuse and abuse. Over-prescribing also results in a significant financial cost. This prospective observational study was designed to determine the mean amount of opioid required after TKA. This data can be used in the future as a guide to change our current practice of prescribing with the aim to reduce over-prescription.

Read the detailed description

Over prescription of opioids is currently a National epidemic . There is a call for action to address this problem urgently and anesthesiologists are well positioned to participate and lead through research to educate medical practitioners of how to prescribe the optimal dose with the ultimate goal of improved patient's safety.

Total knee arthroplasy (TKA) and total hip arthroplasty (THA) may result in significant and sustained postoperative pain. For optimal pain control, faster recovery, and better functional rehabilitation, these patients are prescribed opioids in addition to analgesic adjuncts in hospital and after discharge from the hospital. This practice stems from much evidence that demonstrated a propensity for moderate and severe pain of 52% and 16% respectively up to 30 days post discharge in patients undergoing THA and TKA.

These patients are prescribed opioids upon discharge from the hospital to control pain and to enhance optimal rehabilitation. The discharge prescription is often based on a surgeon's judgment and past experience. Furthermore, more than 50% of patients may receive suboptimal pain control resulting in pain in the early postoperative period. On the other hand, recent studies have shown that opioids are often over-prescribed. This practice not only results in a significant financial cost, but also represents a potential reservoir for opioid misuse and abuse. In Canada, the rate of dispensing high-dose opioid formulations (greater than 200mg morphine equivalents per day) increased 23.0%, from 781 units per 1000 population in 2006 to 961 units per 1000 population in 2011. Excessive opioid prescriptions can lead to excessive morbidity and mortality as evidenced in the United States where 16 917 (74%) of the 22,810 deaths relating to pharmaceutical overdose involved opioid analgesics. With respect to the financial burden, in the United States in 2007, prescription opioid abuse costs were $55.7 billion of which 45% were healthcare costs (e.g., abuse treatment).

To the author's knowledge there are no widely used objective tools or guidelines to instruct patients in self-administering opioids post-discharge or to help surgeons to avoid over or under prescribing. This may contribute to either over-dosing with opioid related side effects, or under-dosing with inadequate analgesia and rehabilitation.

In this prospective observational study we plan to determine the mean amount of opioid required post discharge after TKA that correlates with good pain management and rehabilitation outcomes. The mean amount of opioid consumed could be used in the future to guide physicians to practice proper opioid prescribing post discharge from hospital.

Medical subject headings
Pain

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The amount of opioid analgesics used and the number remaining

    A member of the research team will contact the participant weekly after their surgery. Over the phone the team member will collect the total amount of opioid taken and the total amount of opioid remaining.

    Measured: 6 weeks after surgery

Secondary outcomes (1)
  1. The amount of non-opioid analgesics consumed

    The team member will contact the participant weekly to ask about the number of other non-opioid analgesics consumed.

    Measured: 6 weeks after surgery

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted10 Apr 2017
  2. Study start9 Feb 2017
  3. Primary completion30 Jul 2022 (estimated)
  4. Study completion30 Dec 2022 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
200 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03106129
Sponsor's protocol ID
309-2016
Status last verified
Apr 2022
First submitted
4 Apr 2017
Last updated
4 Apr 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Buckley N. The prescription opioid epidemic: a call to action for our profession. Can J Anaesth. 2016 Jan;63(1):8-11. doi: 10.1007/s12630-015-0521-x. Epub 2015 Oct 23. No abstract available.

    PubMed 26497722
  • Alam A, Juurlink DN. The prescription opioid epidemic: an overview for anesthesiologists. Can J Anaesth. 2016 Jan;63(1):61-8. doi: 10.1007/s12630-015-0520-y. Epub 2015 Oct 27.

    PubMed 26507535
  • Kharasch ED, Brunt LM. Perioperative Opioids and Public Health. Anesthesiology. 2016 Apr;124(4):960-5. doi: 10.1097/ALN.0000000000001012. No abstract available.

    PubMed 26808634
  • Barrington JW, Halaszynski TM, Sinatra RS, Expert Working Group On Anesthesia And Orthopaedics Critical Issues In Hip And Knee Replacement Arthroplasty FT. Perioperative pain management in hip and knee replacement surgery. Am J Orthop (Belle Mead NJ). 2014 Apr;43(4 Suppl):S1-S16.

    PubMed 24911869
  • Roberts M, Brodribb W, Mitchell G. Reducing the pain: a systematic review of postdischarge analgesia following elective orthopedic surgery. Pain Med. 2012 May;13(5):711-27. doi: 10.1111/j.1526-4637.2012.01359.x. Epub 2012 Apr 11.

    PubMed 22494470
  • Andersen LO, Gaarn-Larsen L, Kristensen BB, Husted H, Otte KS, Kehlet H. Subacute pain and function after fast-track hip and knee arthroplasty. Anaesthesia. 2009 May;64(5):508-13. doi: 10.1111/j.1365-2044.2008.05831.x.

    PubMed 19413820
  • Rawal N. Postoperative pain treatment for ambulatory surgery. Best Pract Res Clin Anaesthesiol. 2007 Mar;21(1):129-48. doi: 10.1016/j.bpa.2006.11.005.

    PubMed 17489224
  • Maheshwari AV, Blum YC, Shekhar L, Ranawat AS, Ranawat CS. Multimodal pain management after total hip and knee arthroplasty at the Ranawat Orthopaedic Center. Clin Orthop Relat Res. 2009 Jun;467(6):1418-23. doi: 10.1007/s11999-009-0728-7. Epub 2009 Feb 13.

    PubMed 19214642
  • Rodgers J, Cunningham K, Fitzgerald K, Finnerty E. Opioid consumption following outpatient upper extremity surgery. J Hand Surg Am. 2012 Apr;37(4):645-50. doi: 10.1016/j.jhsa.2012.01.035. Epub 2012 Mar 10.

    PubMed 22410178
  • Manchikanti L, Fellows B, Ailinani H, Pampati V. Therapeutic use, abuse, and nonmedical use of opioids: a ten-year perspective. Pain Physician. 2010 Sep-Oct;13(5):401-35.

    PubMed 20859312
  • Gomes T, Mamdani MM, Paterson JM, Dhalla IA, Juurlink DN. Trends in high-dose opioid prescribing in Canada. Can Fam Physician. 2014 Sep;60(9):826-32.

    PubMed 25217680
  • Birnbaum HG, White AG, Schiller M, Waldman T, Cleveland JM, Roland CL. Societal costs of prescription opioid abuse, dependence, and misuse in the United States. Pain Med. 2011 Apr;12(4):657-67. doi: 10.1111/j.1526-4637.2011.01075.x. Epub 2011 Mar 10.

    PubMed 21392250
  • Skinner HB, Shintani EY. Results of a multimodal analgesic trial involving patients with total hip or total knee arthroplasty. Am J Orthop (Belle Mead NJ). 2004 Feb;33(2):85-92; discussion 92.

    PubMed 15005598
  • Wainwright AV, Kennedy DM, Stratford PW. The Group Experience: Remodelling Outpatient Physiotherapy after Knee Replacement Surgery. Physiother Can. 2015 Fall;67(4):350-6. doi: 10.3138/ptc.2014-44.

    PubMed 27504034
  • Binkley JM, Stratford PW, Lott SA, Riddle DL. The Lower Extremity Functional Scale (LEFS): scale development, measurement properties, and clinical application. North American Orthopaedic Rehabilitation Research Network. Phys Ther. 1999 Apr;79(4):371-83.

    PubMed 10201543

Questions about this trial

What is this clinical trial studying?

An observational study of Knee Arthropathy and Opioid Use, run by Sunnybrook Health Sciences Centre at 1 site in Canada.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 4 Apr 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

The amount of opioid analgesics used and the number remaining (time frame: 6 weeks after surgery). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03106129, which also lists 15 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Apr 2022.

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