NCT03138317

Brief Summary

Study was designed to evaluate efficacy of autologous platelet rich plasma (PRP) injections guided by ultrasound for treatment of knee osteoarthritis.

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 Jan 2017

Shorter than P25 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

January 2, 2017

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

April 16, 2017

Completed
17 days until next milestone

First Posted

Study publicly available on registry

May 3, 2017

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 30, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 30, 2018

Completed
Last Updated

May 11, 2017

Status Verified

April 1, 2017

Enrollment Period

1.4 years

First QC Date

April 16, 2017

Last Update Submit

May 10, 2017

Conditions

Outcome Measures

Primary Outcomes (1)

  • Knee pain score measured by Visual Analogue Scale (VAS)

    Knee pain score measured by Visual Analogue Scale (VAS)

    24 weeks

Study Arms (3)

PRP

EXPERIMENTAL

Goup 1: knee injection of Platelet Rich Plasma (PRP)

Biological: PRP

Plasma

EXPERIMENTAL

Group 2: knee injection of Plasma

Biological: Plasma

Placebo

PLACEBO COMPARATOR

Group 3: knee injection of placebo (saline solution)

Biological: Placebo

Interventions

PRPBIOLOGICAL

This group will receive a knee injection with 6 ml of platelet rich plasma (PRP)

PRP
PlasmaBIOLOGICAL

This group will receive a knee injection with 6 ml of plasma.

Plasma
PlaceboBIOLOGICAL

This group will receive a knee injection with 6 ml saline solution.

Placebo

Eligibility Criteria

Age45 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Men and women aged from 45 to 80 years
  • Fulfill criteria for knee osteoarthritis of the ACR - American College of Rheumatology (Altman et al., 1986)
  • Radiographic classification 2 or 3 by Kellgren and Lawrence score
  • Relate pain in the last week of 3 to 8 points on the Visual Analogue Scale - EVA (Bellamy et al., 1988)

You may not qualify if:

  • Use of analgesics, NSAIDs and myorelaxants less than a week before the start of the study.
  • Use of slow-acting drugs in osteoarthritis started less than 8 weeks before the start of the study. For cases that they have been in use for more than 8 weeks, they should be maintained until the end of the week.
  • Infiltration of corticosteroid or infiltration with hyaluronic acid in the six months prior to the start of the study.
  • Introduction of any medical or physiotherapeutic intervention in the last 3 months (rehabilitation, acupuncture, cane, orthotics, etc.) for locomotor system;
  • Body Mass Index (BMI) greater than 35.
  • Presence of other types of arthropathies such as rheumatoid arthritis, diffuse connective tissue diseases, microcrystalline arthropathies, spondyloarthropathies and infectious arthropathies.
  • Symptomatic osteoarthritis of hip and feet
  • Presence of known meniscal or symptomatic ligament damage in the studied knee;
  • Previous surgery in the studied knee.
  • Difference in length in lower limbs greater than 1 cm.
  • Presence of cutaneous lesion on the surface of the joint studied;
  • Important scoliosis.
  • Blood dyscrasia or use of anticoagulant;
  • Presence of other diseases: severe depression, diabetes, coagulopathies, decompensated cardiovascular disease, infection, immunosuppression (allowed MTX up to 10 mg), systemic infectious disease, symptomatic lower limb vascular disease, neurological diseases, neoplasia or any other conditions that may compromise the procedure in doctor evaluation;
  • To be receiving pension benefit due to osteoarthritis of the knees.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of São Paulo

São Paulo, São Paulo, 05403000, Brazil

RECRUITING

Related Publications (1)

  • Dorio M, Pereira RMR, Luz AGB, Deveza LA, de Oliveira RM, Fuller R. Efficacy of platelet-rich plasma and plasma for symptomatic treatment of knee osteoarthritis: a double-blinded placebo-controlled randomized clinical trial. BMC Musculoskelet Disord. 2021 Sep 24;22(1):822. doi: 10.1186/s12891-021-04706-7.

MeSH Terms

Conditions

Osteoarthritis, Knee

Condition Hierarchy (Ancestors)

OsteoarthritisArthritisJoint DiseasesMusculoskeletal DiseasesRheumatic Diseases

Central Study Contacts

Ricardo Fuller, PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant of Osteoarthritis ambulatory; PhD researcher.

Study Record Dates

First Submitted

April 16, 2017

First Posted

May 3, 2017

Study Start

January 2, 2017

Primary Completion

May 30, 2018

Study Completion

May 30, 2018

Last Updated

May 11, 2017

Record last verified: 2017-04

Locations