NCT04321629

Brief Summary

This is a prospective, randomized, controlled study. The purpose of this study is to assess functional and clinical changes among patients with symptomatic knee OA treated with intra-articular injections of autologous adipose tissue or PRP and to compare the efficacy of both therapeutic methods. We hypothesize that adipose tissue injections will improve patients' quality of life and functional status and will decrease pain level significantly more than PRP injections. In addition to the functional tests and muscle strength measurement, the patient reported outcome measures (PROMs) of the knee joint function and quality of life will be used to assess each participant. The same inclusion criteria have been established for an Experimental Group (subjects treated with autologous fat tissue) and a Control Group (subjects treated with PRP). Those criteria consist of: symptomatic knee OA, age between 45 and 65 y.o., Kellgren- Lawrence grades I - III OA, no or minimal positive effects of previous conservative treatment (rehabilitation, hyaluronic acid injections, steroid injections). Those patients who meet inclusion criteria will be allocated to Fat Tissue Group or PRP Group randomly. Patients will be assessed five times: before treatment and 1, 3, 6 and 12 months after the treatment. The PROMs consist of the four questionnaires: The Knee injury and Osteoarthritis Outcome Score (KOOS), International Knee Documentation Committee 2000 (IKDC 2000), the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) (21,22), the Health Questionnaire EQ- 5D- 5L. Moreover, three functional tests will be performed to assess patient's functional status: The Timed Up and Go Test (TUG), The 5 Times Sit to Stand Test (5xSTS), The 10m Walk Test (10mWT). To assess strength parameters of the knee flexors and extensors the Maximal Voluntary Isometric Contraction (MVIC) will be measured. Each test will be supervised by the same one physiotherapist to avoid any interexaminer bias and discrepancies during testing.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
60

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Jul 2018

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 30, 2018

Completed
1.6 years until next milestone

First Submitted

Initial submission to the registry

March 20, 2020

Completed
5 days until next milestone

First Posted

Study publicly available on registry

March 25, 2020

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2021

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2022

Completed
Last Updated

March 25, 2020

Status Verified

March 1, 2020

Enrollment Period

3.4 years

First QC Date

March 20, 2020

Last Update Submit

March 24, 2020

Conditions

Keywords

kneearthritisprpmscfat transferadipose tissue

Outcome Measures

Primary Outcomes (7)

  • Change in The Knee injury and Osteoarthritis Outcome Score (KOOS)

    The answers are given (5 Likert boxes) and each question is assigned a score from 0 to 4. A normalized score (100 indicating no symptoms and 0 indicating extreme symptoms) is calculated.

    1, 3, 6 and 12 months after the treatment

  • Change in the International Knee Documentation Committee 2000 (IKDC 2000) score

    The IKDC contains sections on knee symptoms (7 items), function (2 items), and sports activities (2 items). Scores range from 0 points (lowest level of function or highest level of symptoms) to 100 points (highest level of function and lowest level of symptoms).

    1, 3, 6 and 12 months after the treatment

  • Change in tthe Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score

    Due to no polish version of the WOMAC score, it will be calculated from KOOS score. Higher scores represent worse pain, stiffness, and functional limitations.

    1, 3, 6 and 12 months after the treatment

  • Change in the quality of life score (EQ- 5D- 5L)

    The descriptive system comprises five dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 5 levels: no problems, slight problems, moderate problems, severe problems and extreme problems. The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. This decision results in a 1-digit number that expresses the level selected for that dimension. The digits for the five dimensions can be combined into a 5-digit number that describes the patient's health state. Scores range from 5 points (highest level of function and lowest level of symptoms) to 25 points (lowest level of function or highest level of symptoms).

    1, 3, 6 and 12 months after the treatment

  • Change in functional status according to The Timed Up and Go Test (TUG)

    The result of this test is time measured with stopwatch. Time limit for this test is 3 minutes 30 seconds. Less time means better result.

    1, 3, 6 and 12 months after the treatment

  • Change in functional status according to The 5 Times Sit to Stand Test (5xSTS)

    The result of this test is time measured with stopwatch. The stopwatch is stopped when the subject sits down after the fifth repetition. Less time means better result.

    1, 3, 6 and 12 months after the treatment

  • Change in functional status according to The 10m Walk Test (10mWT)

    The result of this test is time measured with stopwatch. The patient is not allowed to run but may use the crutches or a walker if needed. Less time means better result.

    1, 3, 6 and 12 months after the treatment

Secondary Outcomes (1)

  • Strength parameters

    1, 3, 6 and 12 months after the treatment

Study Arms (2)

Autologous Fat Tissue Group

EXPERIMENTAL

Group of patients treated with intra-articular injections of autologous adipose tissue.

Combination Product: autologous adipose tissue transfer

PRP Group

ACTIVE COMPARATOR

Group of patients treated with intra-articular injections of platelet-rich-plasma.

Combination Product: PRP injections

Interventions

experimental group: liposuction, adipose tissue preparation and intra-articular injection

Autologous Fat Tissue Group
PRP injectionsCOMBINATION_PRODUCT

control group: blood collection, blood preparation and intra-articular PRP injection

PRP Group

Eligibility Criteria

Age45 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • symptomatic knee OA
  • Kellgren- Lawrence grades I - III OA
  • no or minimal positive effects of previous conservative treatment (rehabilitation, hyaluronic acid injections, steroid injections)
  • VAS pain level minimum 4 in one knee, VAS pain \< 2 in the contralateral knee

You may not qualify if:

  • Use of local corticosteroids up to three months or hyaluronic acid injections up to six months prior to the study
  • Past or present joint infection
  • Previous knee arthroscopy surgery up to one year prior to examination
  • Peripheral inflammatory diseases (rheumatoid arthritis, spondyloarthropathies, etc.)
  • Total arthroplasty and osteotomy
  • Ankylosis of the joint
  • Dermatitis or dermatological disease at the intended injection site
  • Coexistence of degenerative changes in other limb joints (hip, foot)
  • Cancer
  • Oral corticosteroid therapy
  • Use of medicines that affect blood clotting
  • Pregnancy or breast-feeding

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Rehasport

Poznan, Wielkopolska, 60201, Poland

RECRUITING

Related Publications (1)

  • Bakowski P, Kaszynski J, Walecka J, Ciemniewska-Gorzela K, Bakowska-Zywicka K, Piontek T. Autologous adipose tissue injection versus platelet-rich plasma (PRP) injection in the treatment of knee osteoarthritis: a randomized, controlled study - study protocol. BMC Musculoskelet Disord. 2020 May 20;21(1):314. doi: 10.1186/s12891-020-03345-8.

MeSH Terms

Conditions

Osteoarthritis, KneeJoint DiseasesArthritisInsomnia, Fatal Familial

Condition Hierarchy (Ancestors)

OsteoarthritisMusculoskeletal DiseasesRheumatic DiseasesPrion DiseasesCentral Nervous System InfectionsInfectionsCentral Nervous System DiseasesNervous System DiseasesNeurodegenerative DiseasesSleep Initiation and Maintenance DisordersSleep Disorders, IntrinsicDyssomniasSleep Wake Disorders

Study Officials

  • Pawel Bakowski, MD PhD

    Rehasport Clinic

    PRINCIPAL INVESTIGATOR
  • Tomasz Piontek, MD PhD

    Rehasport Clinic

    STUDY CHAIR

Central Study Contacts

Pawel Bakowski, MD PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 20, 2020

First Posted

March 25, 2020

Study Start

July 30, 2018

Primary Completion

December 31, 2021

Study Completion

December 31, 2022

Last Updated

March 25, 2020

Record last verified: 2020-03

Data Sharing

IPD Sharing
Will not share

Locations