Esta página foi traduzida automaticamente e a precisão da tradução não é garantida. Por favor, consulte o versão em inglês para um texto fonte.

Hyaluronic Acid Versus Platelet-Rich Plasma for Chronic Tendinopathy and Enthesopathy

14 de julho de 2026 atualizado por: Tomasz Wnuk, MD, PhD, Ortonika Orthopedic Medical Clinic in Lublin

Comparative Analysis of the Efficacy of Hyaluronic Acid and Platelet-Rich Plasma Injections in the Treatment of Chronic Tendinopathies and Enthesopathies: A Prospective, Randomized Comparative Study

Chronic tendinopathies and enthesopathies are common musculoskeletal conditions in orthopedics and sports medicine, frequently leading to pain, impaired function, and significantly reduced quality of life. Their pathogenesis involves tissue degeneration and ineffective repair response, often without an active inflammatory process.

Standard conservative management based on physiotherapy and activity modification is often prolonged and not always satisfactory. Minimally invasive injectable interventions supporting tendon and enthesis regeneration represent a promising alternative due to their favorable safety profile and outpatient feasibility.

Hyaluronic acid (HA) is a glycosaminoglycan naturally present in connective tissues. In the context of tendinopathy, it is thought to modulate inflammatory processes, provide mechanical protection by reducing friction and adhesion within the tendon sheath, and support the proper organization of collagen fibers in the tendon matrix.

Platelet-rich plasma (PRP) is an autologous concentrate of platelets providing high local concentrations of growth factors, including platelet-derived growth factor (PDGF), transforming growth factor beta (TGF-β), and vascular endothelial growth factor (VEGF), which initiate and support repair processes, cellular proliferation, and angiogenesis.

This prospective, randomized, open-label, two-arm study aims to compare the clinical efficacy of hyaluronic acid (HA) and platelet-rich plasma (PRP) injections in 80 participants with chronic Achilles tendinopathy or medial epicondylopathy of the elbow. Participants will be randomly assigned in a 1:1 ratio to receive either two HA injections or two PRP injections administered two weeks apart under ultrasonographic guidance. Follow-up will continue for 12 months after the second injection. The primary outcomes are the changes from baseline to 6 months in pain intensity measured using a 100-millimeter (mm) Visual Analog Scale (VAS), upper-limb function measured using the Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH) questionnaire in participants with medial epicondylopathy, and Achilles tendon symptoms and function measured using the Victorian Institute of Sport Assessment-Achilles (VISA-A) questionnaire in participants with Achilles tendinopathy. The results will provide evidence to support the selection of injectable treatment for chronic tendinopathies and enthesopathies.

Visão geral do estudo

Status

Recrutamento

Condições

Intervenção / Tratamento

Tipo de estudo

Intervencional

Inscrição (Estimado)

80

Estágio

  • Não aplicável

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Contato de estudo

Locais de estudo

  • Polônia
    • Lublin Voivodeship
      • Lublin, Lublin Voivodeship, Polônia, 20-841
        • Recrutamento
        • Ortonika Orthopedic Medical Clinic in Lublin
        • Contato:
        • Investigador principal:
          • Tomasz Wnuk, MD, PhD
        • Subinvestigador:
          • Piotr Przybylski, MD, PhD
        • Subinvestigador:
          • Mateusz Matyjaszczyk, MD
        • Subinvestigador:
          • Przemysław Golonka, MD
        • Subinvestigador:
          • Damian Borys, MD
        • Subinvestigador:
          • Beata Krupska, MSc
        • Subinvestigador:
          • Emilia Antoniewska, MSc

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

  • Adulto
  • Adulto mais velho

Aceita Voluntários Saudáveis

Não

Descrição

Inclusion Criteria:

  • Chronic tendinopathy or enthesopathy of the Achilles tendon or tendon insertion in the elbow region (medial epicondylopathy, so-called golfer's elbow)
  • Symptom duration exceeding 3 months
  • Pain intensity of at least 40 millimeters (mm) on a 100-mm Visual Analog Scale (VAS)
  • Age 18-65 years
  • Signed written informed consent

Exclusion Criteria:

  • Previous surgical treatment of the studied tendon or tendon insertion
  • Prior injection of corticosteroids, platelet-rich plasma (PRP), or hyaluronic acid into the area being studied within 3 months before enrollment
  • Active systemic or local infection at the planned injection site
  • Systemic inflammatory or autoimmune disease involving the joints, including rheumatoid arthritis, spondyloarthritis, or systemic lupus erythematosus
  • Pregnancy or breastfeeding
  • Body mass index (BMI) of 40 kilograms per square meter (kg/m²) or greater

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Tratamento
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Nenhum (rótulo aberto)

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Comparador Ativo: Arm 1 - Hyaluronic Acid (HA)
Two peritendinous or intratendinous injections of hyaluronic acid (HA), containing 32 milligrams (mg) of sodium hyaluronate in 2 milliliters (mL) per injection, administered two weeks apart under ultrasonographic guidance.
Dispositivo: Hyaluronic acid injection
Assigned to: Arm 1
Experimental: Arm 2 - Platelet-Rich Plasma (PRP)
Two peritendinous or intratendinous injections of autologous platelet-rich plasma (PRP), administered two weeks apart under ultrasonographic guidance.
Dispositivo: Autologous Platelet-Rich Plasma Injection
Assigned to: Arm 2

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Mean Change From Baseline in Pain Intensity Measured Using the 100-Millimeter Visual Analog Scale at 6 Months
Prazo: Baseline and 6 months after the second injection
Pain intensity will be measured using a 100-millimeter (mm) Visual Analog Scale (VAS), ranging from 0 mm, indicating no pain, to 100 mm, indicating the worst imaginable pain. The outcome will be the mean change in VAS score from baseline to 6 months after the second injection. A decrease in score indicates improvement.
Baseline and 6 months after the second injection
Mean Change From Baseline in the Quick Disabilities of the Arm, Shoulder and Hand Score at 6 Months
Prazo: Baseline and 6 months after the second injection
Upper-limb symptoms and function will be assessed using the Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH) questionnaire in participants with medial epicondylopathy. The total score ranges from 0 to 100 points, with higher scores indicating greater disability. The outcome will be the mean change from baseline to 6 months after the second injection. A decrease in score indicates improvement.
Baseline and 6 months after the second injection
Mean Change From Baseline in the Victorian Institute of Sport Assessment-Achilles Score at 6 Months
Prazo: Baseline and 6 months after the second injection
Symptoms and function associated with Achilles tendinopathy will be assessed using the Victorian Institute of Sport Assessment-Achilles (VISA-A) questionnaire in participants with Achilles tendinopathy. The total score ranges from 0 to 100 points, with higher scores indicating better function and fewer symptoms. The outcome will be the mean change from baseline to 6 months after the second injection. An increase in score indicates improvement.
Baseline and 6 months after the second injection

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Mean Change From Baseline in Pain Intensity Measured Using the 100-Millimeter Visual Analog Scale at 1, 3, and 12 Months
Prazo: Baseline and 1, 3, and 12 months after the second injection
Pain intensity will be measured using a 100-millimeter (mm) Visual Analog Scale (VAS), ranging from 0 mm, indicating no pain, to 100 mm, indicating the worst imaginable pain. Mean changes from baseline will be assessed separately at 1, 3, and 12 months after the second injection. A decrease in score indicates improvement.
Baseline and 1, 3, and 12 months after the second injection
Mean Change From Baseline in the Quick Disabilities of the Arm, Shoulder and Hand Score at 1, 3, and 12 Months
Prazo: Baseline and 1, 3, and 12 months after the second injection
Upper-limb symptoms and function will be assessed using the Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH) questionnaire in participants with medial epicondylopathy. The total score ranges from 0 to 100 points, with higher scores indicating greater disability. Mean changes from baseline will be assessed separately at 1, 3, and 12 months after the second injection. A decrease in score indicates improvement.
Baseline and 1, 3, and 12 months after the second injection
Mean Change From Baseline in the Victorian Institute of Sport Assessment-Achilles Score at 1, 3, and 12 Months
Prazo: Baseline and 1, 3, and 12 months after the second injection
Symptoms and function associated with Achilles tendinopathy will be assessed using the Victorian Institute of Sport Assessment-Achilles (VISA-A) questionnaire in participants with Achilles tendinopathy. The total score ranges from 0 to 100 points, with higher scores indicating better function and fewer symptoms. Mean changes from baseline will be assessed separately at 1, 3, and 12 months after the second injection. An increase in score indicates improvement.
Baseline and 1, 3, and 12 months after the second injection
Time From the Second Injection to Return to the Pre-Injury Level of Physical Activity
Prazo: From the second injection through 12 months of follow-up
The number of days from the second injection to the first documented return to the participant's pre-injury level of physical activity without activity restrictions will be recorded. Participants who do not return to their pre-injury activity level during follow-up will be considered not to have experienced the event by the end of the 12-month follow-up period.
From the second injection through 12 months of follow-up
Number of Participants With Adverse Events, Serious Adverse Events, or Adverse Device Effects
Prazo: From the first injection through 12 months after the second injection
The number and percentage of participants experiencing one or more adverse events (AEs), serious adverse events (SAEs), or adverse device effects (ADEs) will be reported. Events will be assessed according to their type, severity, seriousness, and relationship to the administered intervention.
From the first injection through 12 months after the second injection

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

Ortonika Orthopedic Medical Clinic in Lublin

Investigadores

  • Investigador principal: Tomasz Wnuk, MD, PhD, Ortonika Orthopedic Medical Clinic

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Real)

10 de junho de 2026

Conclusão Primária (Estimado)

1 de junho de 2028

Conclusão do estudo (Estimado)

1 de junho de 2028

Datas de inscrição no estudo

Enviado pela primeira vez

3 de julho de 2026

Enviado pela primeira vez que atendeu aos critérios de CQ

14 de julho de 2026

Primeira postagem (Real)

20 de julho de 2026

Atualizações de registro de estudo

Última Atualização Postada (Real)

20 de julho de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

14 de julho de 2026

Última verificação

1 de julho de 2026

Mais Informações

Termos relacionados a este estudo

Palavras-chave

Termos MeSH relevantes adicionais

Outros números de identificação do estudo

  • 1.0 13.04.2026

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

NÃO

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .

Se inscrever