NCT05824806

Brief Summary

Knee osteoarthritis (KOA) is a disease characterized by cartilage degeneration, synovium inflammation, bone remodeling, osteophyte formation, inflammations and loss of articular function. Interest on biological therapies has increased due to the recent update on KOA and its natural history. Viscosupplementation with hyaluronic acid aims to restore rheological properties of synovial fluid. Platelet rich plasma (PRP) is an autologous blood product which contains an elevated platelet concentration above the one found in blood. The goal of this study is to compare the clinical results of intra articular infiltration of hyaluronic and platelet rich plasma in the treatment of KOA, and to establish a protocol for PRP obtaining and prepare. Patients form the OA treating program will be selected and randomized into three groups (treatment with hyaluronic acid or onte of the two PRP protocols, PRP A and PRP B). Evaluation will include: subjective functional evaluation, clinical evaluation, radiological evaluation and radiological evaluation, which will be performed before treatment and 3 weeks, 3 months, 6 months and 1 year after treatment. Evaluation of PRP composition will be performed using ELISA/LUMINEX. Key words: Knee, osteoarthritis, platelet rich plasma, viscosupplementation.

Trial Health

63
Monitor

Trial Health Score

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

Enrollment
90

participants targeted

Target at below P25 for phase_3

Timeline
2mo left

Started Aug 2024

Geographic Reach
1 country

1 active site

Status
not yet recruiting

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress92%
Aug 2024Jul 2026

First Submitted

Initial submission to the registry

March 24, 2023

Completed
1 month until next milestone

First Posted

Study publicly available on registry

April 24, 2023

Completed
1.3 years until next milestone

Study Start

First participant enrolled

August 1, 2024

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2025

Completed
11 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2026

Expected
Last Updated

May 31, 2024

Status Verified

May 1, 2024

Enrollment Period

1 year

First QC Date

March 24, 2023

Last Update Submit

May 29, 2024

Conditions

Keywords

osteoarthritisplatelet rich plasmahyaluronic acidknee

Outcome Measures

Primary Outcomes (3)

  • Evolution of Western Ontario and McMaster Universities Arthritis Index over time

    Subjective pain and function score changes

    before infiltration, two weeks after first infiltration, three months, six months and one year after last infiltration

  • Evolution of Knee society score over time

    Subjective function score changes

    before infiltration, two weeks after first infiltration, three months, six months and one year after last infiltration

  • Evolution of Visual analog pain scale over time

    Subjective pain scale changes

    before infiltration, two weeks after first infiltration, three months, six months and one year after last infiltration

Study Arms (3)

PRP protocol A

ACTIVE COMPARATOR

Composed of 30 patients who will receive an intra-articular injection of platelet-rich plasma (PRP A), once a week, for three consecutive weeks

Biological: PRP Protocol A

PRP protocol B

ACTIVE COMPARATOR

Composed of 30 patients who will receive an intra-articular injection of platelet-rich plasma (PRP B), once a week, for three consecutive weeks

Biological: PRP Protocol B

Hyaluronic acid

PLACEBO COMPARATOR

Composed of 30 patients who will receive an intra-articular injection of 2 mL of intra-articular hyaluronic acid (AHI), once a week, for three consecutive weeks.

Device: Hyaluronic acid

Interventions

PRP Protocol ABIOLOGICAL

Platelet rich plasma protocol A

PRP protocol A
PRP Protocol BBIOLOGICAL

Platelet rich plasma protocol B

PRP protocol B

Hyaluronic acid

Hyaluronic acid

Eligibility Criteria

Age40 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Will be included in the study:
  • Patients aged between 40 and 60 years
  • Patients with bilateral osteoarthritis of the knee according to the criteria of the American College of Rheumatology
  • Patients classified by radiographs using the Kellgren-Lawrence classification ≤ III in both knees
  • Patients showing complete knee range of motion (0 to 120°).

You may not qualify if:

  • Will be excluded from the study:
  • Patients with a history of trauma, infection or previous surgery in the joint involved
  • Patients with axial deviation of the lower limbs (varus greater than 10° or valgus greater than 15°)
  • Patients with previous infiltration of the knee with corticosteroids in the last six months
  • Patients with previous infiltration of the knee with hyaluronic acid in the last year
  • Patients with inflammatory, autoimmune or rheumatic diseases
  • Patients who used non sterois anti inflammatory drugs in the previous two weeks
  • Patients with body mass index\>35 kg/m2
  • Patients using immunosuppressants or anticoagulants
  • Patients with active neoplasia
  • Patients with hematologic disorders
  • Patients with secondary osteoarthritis
  • Patients with hip osteoarthritis
  • Patients with history of acute or chronic transmissible diseases
  • Patients residing outside the metropolitan region of Rio de Janeiro.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Instituto Nacional de Traumatologia e Ortopedia

Rio de Janeiro, 20940-070, Brazil

Location

MeSH Terms

Conditions

Osteoarthritis, KneeOsteoarthritis

Condition Hierarchy (Ancestors)

ArthritisJoint DiseasesMusculoskeletal DiseasesRheumatic Diseases

Study Officials

  • Eduardo B Sousa, MD, PhD

    INTO

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Eduardo B Sousa, MD, PhD

CONTACT

Marcelo Mandarino, MD, MSc

CONTACT

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Masking Details
Patients will be randomized in block by simple drawing of opaque envelopes before application, in 3 experimental groups. During infiltration, patients will be sitting on the stretcher in a comfortable position, with knees flexed and blindfolded (blinding as to the treatment performed). Patients will be evaluated by an observer independent of the one who applied the selected treatment.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Patients will be randomized in blocks by simple drawing of opaque envelopes before application, in 3 experimental groups, and identified as described below: GROUP A: Composed of 30 patients who will receive an intra-articular injection of platelet-rich plasma (PRP A), once a week, for three consecutive weeks; GROUP B: Composed of 30 patients who will receive an intra-articular injection of platelet-rich plasma (PRP B), once a week, for three consecutive weeks; GROUP C: Composed of 30 patients who will receive an intra-articular injection of 2 mL of intra-articular hyaluronic acid (AHI), once a week, for three consecutive weeks.
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal investigator

Study Record Dates

First Submitted

March 24, 2023

First Posted

April 24, 2023

Study Start

August 1, 2024

Primary Completion

August 1, 2025

Study Completion (Estimated)

July 1, 2026

Last Updated

May 31, 2024

Record last verified: 2024-05

Data Sharing

IPD Sharing
Will not share

Locations