Status:

RECRUITING

Platelet-rich Plasma in Symptomatic Knee Osteoarthritis

Lead Sponsor:

Assistance Publique - Hôpitaux de Paris

Conditions:

Knee Osteoarthritis

Eligibility:

All Genders

40-79 years

Phase:

NA

Brief Summary

Intro: Platelet rich plasma (PRP) is largely used in various musculoskeletal disorders such as chronic tendinopathies but also osteoarthritis (OA). Several therapeutic trials evaluating the effective...

Detailed Description

Hypothesis/Objective: The main objective of this trial is to assess the pain decrease over the last 48 hours assessed by simple numerical scale (NRS) at W14 after 3 weekly injections of PRP (W0, W1 a...

Eligibility Criteria

Inclusion

  • Age between 40 and 79
  • Symptomatic knee OA according to ACR criteria evolving for more than 3 months
  • Predominantly femoro-tibial pain
  • KL 2 or 3 on femorotibial compartment on X-rays of less than 6 months
  • ENS ≥ 40/100 (with or without usual analgesic treatments)
  • Failures or contraindications to conventional treatments (analgesics, NSAIDs)
  • Patient able to understand the requirements of the trial and having signed a free and informed consent before entering the study
  • Patient able to read and understand written instructions
  • Patient able to complete the self-questionnaires
  • Use of effective contraception in premenopausal women

Exclusion

  • Other pathologies of the lower limbs interfering with the evaluation of knee osteoarthritis (symptomatic hip OA, Lumbar pain…)
  • Symptomatic contralateral knee OA with NRS ≥ 40/100
  • Predominant patellofemoral symptoms
  • Radiographic knee OA stage 1 or 4 of KL
  • Predominant radiographic patellofemoral OA
  • History of target knee surgery with material
  • History of inflammatory or microcrystalline rheumatism
  • History of fibromyalgia
  • Morbid obesity (BMI\> 40kgs / m2)
  • Inflammatory flare (KOFUS score ≥ 7)
  • Use of opioids in the month prior to inclusion
  • Patient refusing to stop NSAIDs during the study and conventional analgesics 48 hours
  • History of infection of the target knee
  • Presence of chondrocalcinosis on the frontal x-ray
  • Previous PRP injection
  • Injection of HA or CS into the target knee during the last 3 months
  • History of hemostasis disorders or taking a curative dose of anticoagulant
  • Treatment with antiplatelet agents \[Acetylsalicylic acid (Aspegic, Kardegic, Duoplavin, Resitune, Asasantine), Clopidogrel (Plavix, Duoplavin), Dipyridamole (Persantine, Cleridium, Asasantine)\]
  • Haematological disease in progress or in remission for less than 5 years (malignant hemopathies, myelodysplasia, autoimmune thrombocytopenia)
  • Thrombocytopenia (\<150,000 platelets)
  • Patient undergoing treatment with chemotherapy or immunosuppressive drugs
  • Infection at the time of inclusion (bacterial infection and / or presence of fever and / or taking antibiotics)
  • Participation in a clinical trial on knee osteoarthritis during the last year
  • Participation in any clinical trial completed less than 3 months ago
  • Patient whose mental state does not allow him to understand the nature, objectives and possible consequences of the study
  • Patient under legal protection (curatorship or guardianship)
  • Pregnant woman or planning to become pregnant during the study or breastfeeding

Key Trial Info

Start Date :

January 15 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 15 2028

Estimated Enrollment :

210 Patients enrolled

Trial Details

Trial ID

NCT05378815

Start Date

January 15 2025

End Date

February 15 2028

Last Update

July 11 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Henri Mondor

Créteil, Val-De-Marne, France, 94000

2

Florent Eymard

Créteil, France, 94010