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Pulsed Radiofrequency Versus 5% Dextrose Injection in Chronic Plantar Fasciitis

30 de junho de 2026 atualizado por: Esra Ülgen Kıratlıoğlu, Ankara City Hospital Bilkent

Comparison of Ultrasound-Guided Pulsed Radiofrequency and 5% Dextrose Injection in Patients With Chronic Plantar Fasciitis: A Randomized Controlled Trial

This prospective, two-center, randomized controlled clinical trial aims to compare the effectiveness of ultrasound-guided pulsed radiofrequency and 5% dextrose injection in patients with chronic plantar fasciitis. Eligible participants will be randomized into two parallel groups. One group will receive ultrasound-guided pulsed radiofrequency treatment, and the other group will receive ultrasound-guided 5% dextrose injection using the peppering technique. All participants will receive a home-based plantar fascia stretching exercise program. Outcomes will be assessed at baseline, 3 weeks, 6 weeks, and 12 weeks after treatment. The primary outcome will be pain intensity measured by the Numeric Rating Scale. Secondary outcomes will include foot function, activity-related pain, ankle-hindfoot function, and health-related quality of life.

Visão geral do estudo

Descrição detalhada

Plantar fasciitis is one of the most common causes of chronic heel pain in adults. It may impair walking pattern, daily activities, social life, and work-related functioning. Although conservative treatments are commonly used as first-line therapy, symptoms may become chronic in a considerable proportion of patients.

Dextrose injection is a regenerative injection treatment used in chronic musculoskeletal pain conditions. It is thought to stimulate local tissue healing responses through controlled inflammatory and proliferative mechanisms. Pulsed radiofrequency is a minimally invasive, non-neurodestructive radiofrequency technique used for pain control. Both pulsed radiofrequency and dextrose injection are used in clinical practice for resistant chronic plantar fasciitis; however, comparative data between these two approaches are limited.

This study will be conducted as a prospective, two-center, two-arm, parallel-group randomized controlled trial in the Physical Medicine and Rehabilitation clinics of Ankara Bilkent City Hospital and Adana City Hospital. Participants with chronic plantar fasciitis will be randomized in a 1:1 ratio using the sealed-envelope method. The investigator responsible for randomization will know the allocation, while the outcomes assessor will be blinded to treatment allocation. Blinding of the interventionists will not be possible due to the nature of the procedures.

Participants in the pulsed radiofrequency group will receive ultrasound-guided pulsed radiofrequency treatment at baseline. Participants in the 5% dextrose group will receive ultrasound-guided 5% dextrose injection around the medial calcaneal insertion of the plantar fascia using the peppering technique, with 0.1-0.2 mL administered at each entry point. Dextrose injections will be performed in three sessions at 3-week intervals.

All participants will receive a home-based plantar fascia stretching exercise program. Exercises will be demonstrated by a physiotherapist, and participants will be instructed to perform the exercises twice daily for 12 weeks. Participants will be monitored for possible adverse events or complications for at least 30 minutes after the procedure. Clinical outcomes will be assessed at baseline, 3 weeks, 6 weeks, and 12 weeks.

Tipo de estudo

Intervencional

Inscrição (Estimado)

50

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

  • Nome: Esra Ülgen Kıratlıoğlu, MD
  • Número de telefone: +905079614194
  • E-mail: esraulgen@gmail.com

Locais de estudo

      • Ankara, Turquia (Türkiye)
        • Recrutamento
        • Ankara Bilkent City Hospital, Physical Medicine and Rehabilitation Hospital
        • Contato:

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:

  • Diagnosis of chronic plantar fasciitis based on medical history and physical examination
  • Heel pain resistant to conservative treatment for at least 12 weeks
  • Age between 18 and 70 years
  • Willingness to participate in the study and provide written informed consent

Exclusion Criteria:

  • Congenital or acquired disease that may impair or prevent foot function, such as rheumatoid arthritis, hemiplegia, congenital foot deformity, traumatic foot or leg amputation, or fracture sequelae
  • Local infection or skin disease at the treatment site
  • Bleeding disorder or use of anticoagulant medication within the last week
  • Disease causing mental dysfunction, such as uncontrolled Parkinson disease or Alzheimer disease
  • Previous surgery for plantar fasciitis
  • Refusal to participate in the study or inability to provide informed consent
  • Failure to attend follow-up visits after treatment
  • Request to withdraw from the study
  • Pregnancy or suspected pregnancy
  • Presence of a cardiac pacemaker
  • History of epilepsy
  • Active or previous malignancy
  • Rheumatologic disease

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: Solteiro

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: Ultrasound-Guided Pulsed Radiofrequency Treatment
Participants in this group will receive ultrasound-guided pulsed radiofrequency treatment at baseline. Clinical follow-up assessments will be performed at 3 weeks, 6 weeks, and 12 weeks. All participants will also receive a home-based plantar fascia stretching exercise program.
Ultrasound-guided pulsed radiofrequency treatment will be applied for chronic plantar fasciitis. Participants will be monitored for at least 30 minutes after the procedure for possible adverse events or complications.
Comparador Ativo: Ultrasound-Guided 5% Dextrose Injection
Ultrasound-guided pulsed radiofrequency treatment will be applied for chronic plantar fasciitis. Participants will be monitored for at least 30 minutes after the procedure for possible adverse events or complications.
Ultrasound-guided 5% dextrose injection will be applied around the medial calcaneal insertion of the plantar fascia using the peppering technique, with 0.1-0.2 mL administered at each entry point. The treatment will consist of three sessions performed at 3-week intervals.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Change in Heel Pain Intensity Assessed by Numeric Rating Scale
Prazo: Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment
Heel pain intensity will be assessed using the Numeric Rating Scale. Resting pain, pain during plantar fascia stretching, and pain with pressure will be evaluated on an 11-point scale from 0 to 10, where 0 indicates no pain and 10 indicates the worst imaginable pain. Higher scores indicate greater pain intensity.
Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Change in Activity-Related Pain Assessed by the Roles and Maudsley Score
Prazo: Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment
Activity-related heel pain and functional status will be assessed using the Roles and Maudsley Score. The score ranges from 1 to 4, with lower scores indicating better clinical status and higher scores indicating worse pain and functional limitation.
Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment
Change in Foot Function Assessed by the Foot Function Index
Prazo: Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment
Foot-related pain, disability, and activity limitation will be assessed using the Foot Function Index. The scale includes pain, disability, and activity limitation subscales. Scores are converted to a 0-100 scale, with higher scores indicating greater pain, disability, and activity limitation.
Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment
Change in Ankle-Hindfoot Function Assessed by the American Orthopaedic Foot and Ankle Society Score
Prazo: Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment
Ankle-hindfoot function will be assessed using the American Orthopaedic Foot and Ankle Society Ankle-Hindfoot Score. The score evaluates pain, function, and alignment. The total score ranges from 0 to 100, with higher scores indicating better ankle-hindfoot function.
Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment
Change in Health-Related Quality of Life Assessed by the Nottingham Health Profile
Prazo: Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment
Health-related quality of life will be assessed using the Nottingham Health Profile. The questionnaire includes six domains: energy level, pain, emotional reactions, sleep, social isolation, and physical activity. The total score ranges from 0 to 600, with higher scores indicating worse perceived health status.
Baseline, 3 weeks, 6 weeks, and 12 weeks after treatment

Colaboradores e Investigadores

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

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)

1 de janeiro de 2026

Conclusão Primária (Estimado)

1 de janeiro de 2027

Conclusão do estudo (Estimado)

1 de janeiro de 2027

Datas de inscrição no estudo

Enviado pela primeira vez

30 de junho de 2026

Enviado pela primeira vez que atendeu aos critérios de CQ

30 de junho de 2026

Primeira postagem (Real)

7 de julho de 2026

Atualizações de registro de estudo

Última Atualização Postada (Real)

7 de julho de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

30 de junho de 2026

Última verificação

1 de junho de 2026

Mais Informações

Termos relacionados a este estudo

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

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