Efficacy and Safety of RFA vs MWA for Treatment of Large Benign Thyroid Nodules, RCT
Comparing the Efficacy and Safety of Radiofrequency Ablation Versus Microwave Ablation for the Treatment of Large Benign Thyroid Nodules, a Randomized Controlled Trial
We conduct a multi-institutional randomized control trial of RFA and MWA for the primary treatment of large, benign nodules. Adult patients >/=18 years of age who have a solitary thyroid nodule ≥20ml in volume who presents to 1) Columbia University, NY or 2) Queen Mary Hospital, Hong Kong for consultation will be eligible for enrollment in the study. They will need either a) two benign fine needle biopsies, with the most recent biopsy performed within 1 year of enrollment in study or b) one benign fine needle biopsy and low suspicion characteristics on ultrasound. Both functional and non-functional nodules are eligible.
Patients will be randomly assigned to either treatment arm a) RFA or treatment arm b) MWA according to a pre-generated block randomization list.
Visão geral do estudo
Status
Condições
Intervenção / Tratamento
Descrição detalhada
Benign thyroid nodules can cause compressive symptoms for patients, including neck pressure and discomfort, dysphagia, dyspnea, and dysphonia. Some nodules will become autonomously functioning causing hyperthyroidism. Traditionally the gold standard treatment for these benign, but problematic nodules, has been thyroidectomy. Although generally a low risk operation, thyroidectomy is associated with some risk for recurrent laryngeal nerve injury, bleeding, infection, and need for thyroid hormone supplementation.
Introduced in the early 2000s, ultrasound-guided percutaneous ablation of thyroid lesions has emerged as a potential alternative to surgery in patients with benign thyroid nodules. Of the myriad ablation methods, the most commonly used technique are radiofrequency ablation (RFA) and microwave ablation (MWA). The two techniques used different mechanisms for heat generation.
Current evidence comparing RFA versus MWA for thyroid ablation were limited and were either retrospective or non-randomized, with focus mainly on small thyroid nodules of ≤10ml in volume. There is a lack of high quality evidence on the safety and efficacy of RFA versus MWA for the treatment of large thyroid nodules (≥20ml).
The aim of this randomized controlled trial is to compare the safety and efficacy of RFA and MWA in the treatment of large, benign thyroid nodules.
The primary outcome of is the volume reduction rate at 6 months after ablation. The secondary outcomes include safety, complication rates and quality of life after both procedures.
Tipo de estudo
Inscrição (Real)
Estágio
- Não aplicável
Contactos e Locais
Locais de estudo
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Hong Kong, Hong Kong
- Queen Mary Hospital
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- who have a solitary thyroid nodule ≥20ml in volume
- two benign fine needle biopsies, with the most recent biopsy performed within 1 year of enrollment in study or one benign fine needle biopsy and low suspicion characteristics on ultrasound
- Both functional and non-functional nodules are eligible
Exclusion Criteria:
- have multiple nodules and planned simultaneous ablation
- cytologically indeterminate thyroid nodules
- nodules with substernal extension or posterior extension that cannot be viewed sufficiently with ultrasound
- current pregnancy or cardiac arrhythmias
Plano de estudo
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 |
|---|---|
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Experimental: Microwave ablation
Apply microwave ablation to those large benign thyroid nodules for shrinkage purpose |
Ultrasound-guided thermal ablation will be performed using ECO Medical internally cooled MWA antennas (16 or 17 gauge) powered by the ECO Medical generator in accordance with the trans-isthmic 'moving shot' technique.
Outros nomes:
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Experimental: Radiofrequency ablation
Apply radiofrequency ablation to those large benign thyroid nodules for shrinkage purpose |
Ultrasound-guided thermal ablation will be performed using STARmed internally cooled RFA electrodes (18 gauge) powered by the VIVA RF generator in accordance with the trans-isthmic 'moving shot' technique.
Outros nomes:
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Volume reduction rate (VRR) of thyroid nodule at 6 months (%)
Prazo: 6 months
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To measure the volume reduction rate (VRR) of thyroid nodule at 6-month. volume of nodule= length(cm) x width(cm) x depth(cm) x (π / 6 ) VRR = [(volume at baseline - volume at 6-month)/volume of baseline] x 100% |
6 months
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Volume reduction rate (VRR) of thyroid nodule at 12 months (%)
Prazo: 12-months
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To measure the volume reduction rate (VRR) of thyroid nodule at 12-month. volume of nodule= length(cm) x width(cm) x depth(cm) x (π / 6 ) VRR = [(volume at baseline - volume at 12-m / Volume at baseline] x 100% |
12-months
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Changes in compressive symptom scores (0-100)
Prazo: 12 months
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To measure the changes in compressive symptoms scores. Compressive symptoms score is from 0 to 100. The higher score means more compressive symptom. |
12 months
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Changes in cosmetic symptom scores (1-4)
Prazo: 12 months
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To assess the change of cosmetic symptom by experienced doctors until 12 months. Cosmetic symptoms is from 1 to 4 as below
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12 months
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Peri-operative pain scores (0-10)
Prazo: 12 months
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To measure the change in pain score before and after ablation. The pain score is from 0 to 10, the higher score means more painful. |
12 months
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Complications from procedure including vocal cord palsy, bleeding, infection, nodule rupture, skin burn
Prazo: 12 months
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Description: To assess for any complications arising from procedure during follow-up period after ablation |
12 months
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Colaboradores e Investigadores
Patrocinador
Colaboradores
Publicações e links úteis
Publicações Gerais
- Cheng Z, Che Y, Yu S, Wang S, Teng D, Xu H, Li J, Sun D, Han Z, Liang P. US-Guided Percutaneous Radiofrequency versus Microwave Ablation for Benign Thyroid Nodules: A Prospective Multicenter Study. Sci Rep. 2017 Aug 25;7(1):9554. doi: 10.1038/s41598-017-09930-7.
- Wu W, Gong X, Zhou Q, Chen X, Chen X. Ultrasound-Guided Percutaneous Microwave Ablation for Solid Benign Thyroid Nodules: Comparison of MWA versus Control Group. Int J Endocrinol. 2017;2017:9724090. doi: 10.1155/2017/9724090. Epub 2017 Nov 23.
- He L, Zhao W, Xia Z, Su A, Li Z, Zhu J. Comparative efficacy of different ultrasound-guided ablation for the treatment of benign thyroid nodules: Systematic review and network meta-analysis of randomized controlled trials. PLoS One. 2021 Jan 20;16(1):e0243864. doi: 10.1371/journal.pone.0243864. eCollection 2021.
- Hu K, Wu J, Dong Y, Yan Z, Lu Z, Liu L. Comparison between ultrasound-guided percutaneous radiofrequency and microwave ablation in benign thyroid nodules. J Cancer Res Ther. 2019;15(7):1535-1540. doi: 10.4103/jcrt.JCRT_322_19.
- Guo DM, Chen Z, Zhai YX, Su HH. Comparison of radiofrequency ablation and microwave ablation for benign thyroid nodules: A systematic review and meta-analysis. Clin Endocrinol (Oxf). 2021 Jul;95(1):187-196. doi: 10.1111/cen.14438. Epub 2021 Mar 2.
- Jin H, Fan J, Lu L, Cui M. A Propensity Score Matching Study Between Microwave Ablation and Radiofrequency Ablation in Terms of Safety and Efficacy for Benign Thyroid Nodules Treatment. Front Endocrinol (Lausanne). 2021 Mar 9;12:584972. doi: 10.3389/fendo.2021.584972. eCollection 2021.
- Kim JH, Baek JH, Lim HK, Ahn HS, Baek SM, Choi YJ, Choi YJ, Chung SR, Ha EJ, Hahn SY, Jung SL, Kim DS, Kim SJ, Kim YK, Lee CY, Lee JH, Lee KH, Lee YH, Park JS, Park H, Shin JH, Suh CH, Sung JY, Sim JS, Youn I, Choi M, Na DG; Guideline Committee for the Korean Society of Thyroid Radiology (KSThR) and Korean Society of Radiology. 2017 Thyroid Radiofrequency Ablation Guideline: Korean Society of Thyroid Radiology. Korean J Radiol. 2018 Jul-Aug;19(4):632-655. doi: 10.3348/kjr.2018.19.4.632. Epub 2018 Jun 14.
- Huh JY, Baek JH, Choi H, Kim JK, Lee JH. Symptomatic benign thyroid nodules: efficacy of additional radiofrequency ablation treatment session--prospective randomized study. Radiology. 2012 Jun;263(3):909-16. doi: 10.1148/radiol.12111300. Epub 2012 Mar 21.
- Lim HK, Lee JH, Ha EJ, Sung JY, Kim JK, Baek JH. Radiofrequency ablation of benign non-functioning thyroid nodules: 4-year follow-up results for 111 patients. Eur Radiol. 2013 Apr;23(4):1044-9. doi: 10.1007/s00330-012-2671-3. Epub 2012 Oct 25.
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- UW 23-574
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