Cetylated Fatty Acid for Reducing Pain After TKA

March 1, 2024 updated by: Supakit Kanitnate, Thammasat University

Efficacy of Cetylated Fatty Acid for Alleviating Postoperative Pain After Total Knee Arthroplasty: A Randomized Placebo-controlled Trial

To compare efficacy of cetylated fatty acid with placebo for reducing postoperative pain after unilateral TKA. The hypothesis is topical cetylated fatty acid can mitigate postoperative pain after TKA.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Estimated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
80

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • Thailand
    • Pathumthani
      • Khlong Luang, Pathumthani, Thailand, 066
        • Recruiting
        • department of orthopaedic surgery, Faculty of medicine, Thammasat university
        • Principal Investigator:
          • Nattapol Tammachote, M.D.
        • Contact:
        • Sub-Investigator:
          • Supakit Kanitnate, M.D.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Age 50-80 years
  • Osteoarthritic knee patients underwent unilateral primary TKA
  • Participants understand and consent to the protocol of the trial

Exclusion Criteria:

  • Inflammatory knee arthritis
  • Previous knee surgery or trauma
  • Previous knee infection
  • Skin problem around the knee such as eczema, psoriasis, wound infection
  • Allergy to studied drug

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: cetylated fatty acid
Topical cetylated fatty acid, apply 2 times/day for 6 weeks after operation
Drug: cetylated fatty acid
use approximately 3 cm long of cream per each side of knee, then apply on the operated knee until completely absorb
Other Names:
  • Cetilar
Placebo Comparator: Placebo
Topical placebo, apply 2 times/day for 6 weeks after operation
Drug: Placebo
use approximately 3 cm long of cream per each side of knee, then apply on the operated knee until completely absorb

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Visual analog scale
Time Frame: post-op Day2
VAS (0-100) at rest and on motion
post-op Day2
Visual analog scale
Time Frame: post-op week2
VAS (0-100) at rest and on motion
post-op week2
Visual analog scale
Time Frame: post-op week6
VAS (0-100) at rest and on motion
post-op week6
Visual analog scale
Time Frame: post-op week12
VAS (0-100) at rest and on motion
post-op week12
inflammatory marker
Time Frame: post-op day2
ESR and CRP
post-op day2
inflammatory marker
Time Frame: post-op week2
ESR and CRP
post-op week2
inflammatory marker
Time Frame: post-op week6
ESR and CRP
post-op week6
inflammatory marker
Time Frame: post-op week12
ESR and CRP
post-op week12
Knee skin temperature
Time Frame: post-op Day2
evaluated by digital infrared thermometer at 4 different locations on the anterior aspect of the knee independently (superomedial, superolateral, inferomedial, inferolateral borders of the patella) compared with the contralateral knee
post-op Day2
Knee skin temperature
Time Frame: post-op week2
evaluated by digital infrared thermometer at 4 different locations on the anterior aspect of the knee independently (superomedial, superolateral, inferomedial, inferolateral borders of the patella) compared with the contralateral knee
post-op week2
Knee skin temperature
Time Frame: post-op week6
evaluated by digital infrared thermometer at 4 different locations on the anterior aspect of the knee independently (superomedial, superolateral, inferomedial, inferolateral borders of the patella) compared with the contralateral knee
post-op week6
Knee skin temperature
Time Frame: post-op week12
evaluated by digital infrared thermometer at 4 different locations on the anterior aspect of the knee independently (superomedial, superolateral, inferomedial, inferolateral borders of the patella) compared with the contralateral knee
post-op week12

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Knee circumference (cm)
Time Frame: post-op Day2
Measured by tape at midpoint of patella
post-op Day2
Knee circumference (cm)
Time Frame: post-op week2
Measured by tape at midpoint of patella
post-op week2
Knee circumference (cm)
Time Frame: post-op week6
Measured by tape at midpoint of patella
post-op week6
Knee circumference (cm)
Time Frame: post-op week12
Measured by tape at midpoint of patella
post-op week12
Knee Range of Motion
Time Frame: post-op Day2
Flexion and extension angle
post-op Day2
Knee Range of Motion
Time Frame: post-op week2
Flexion and extension angle
post-op week2
Knee Range of Motion
Time Frame: post-op week6
Flexion and extension angle
post-op week6
Knee Range of Motion
Time Frame: post-op week12
Flexion and extension angle
post-op week12
Modified WOMAC
Time Frame: post-op week2
Total & Subscore
post-op week2
Modified WOMAC
Time Frame: post-op week6
Total & Subscore
post-op week6
Modified WOMAC
Time Frame: post-op week12
Total & Subscore
post-op week12
Thai forgotten joint score
Time Frame: post-op week2
post-op week2
Thai forgotten joint score
Time Frame: post-op week6
post-op week6
Thai forgotten joint score
Time Frame: post-op week12
post-op week12

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Thammasat University

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Supakit Kanitnate, MD, Thammasat University Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 12, 2024

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
September 1, 2024

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
December 1, 2024

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
November 24, 2022

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
March 1, 2024

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
March 8, 2024

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
March 8, 2024

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
March 1, 2024

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
March 1, 2024

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • OrthoTU13

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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