- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02658552
A Prospective Evaluation of High Intensity Focused Ultrasound (HIFU) in the Treatment of Benign Thyroid Nodules
Study Overview
Detailed Description
Background:
Thyroid nodules are very common worldwide. In an iodine-replete population like Hong Kong, the estimated prevalence of a clinically palpable thyroid nodule, is close to 5% while the prevalence of ultrasonically detectable nodules could be up to 67%. With the frequent use of computed tomography, carotid ultrasound studies and positron emission scans nowadays, many small, non-palpable thyroid nodules are incidentally detected. The use of high intensity focused ultrasound MRI guided or ultrasound guided have been used to treat different types of soft tissue cancer like prostate cancer, liver cancer and breast cancer. This device has been tried in a clinical study where patients with thyroid nodules, who were already scheduled for thyroidectomy, were treated using HIFU in order to evaluate the safety and feasibility of the device and to better determine the treatment parameters and effect.
The results showed that the overall safety of the treatment was satisfactory and the lesions produced by the HIFU shots in the nodule were precise. This pilot study was extended to a clinical trial where patients with a benign thyroid nodule were treated. Twenty-one patients were treated in this study versus 11 controls. No serious adverse events (SAE) have occurred. A patient with a toxic thyroid nodule was also treated with the HIFU device (Theraclion, France). The treatment was well tolerated and biologic euthyroidism was achieved at 3 months (TSH, 1.91 mIU/L) and was maintained at 6, 12, and 18 months. At 12 and 18 months, the treated nodule was barely seen as a nonvascularized hypoechoic scar. Thyroid scintigraphy showed a recovery of the thyroid iodine uptake.
Since November 1st 2007, this HIFU device (Theraclion, France) has been CE marked for HIFU treatment of neck pathologies. 11 patients with primary hyperparathyroidism have been treated and followed. The mean follow-up is 9.5 months (1-28 months).
Symptomatic hypocalcaemia was not observed in any patient after HIFU treatments or during follow-up. A prospective monocenter study was performed in Bulgaria for the treatment of benign solid thyroid nodule by US-Guided HIFU. Twenty thyroid nodules were treated during one HIFU session. The mean ± standard deviation nodule volume was 4.96 mL ± 2.79 at the start of the study. Nodule volume had decreased to 3.05 mL ±1.96 at the 3-month follow-up examination (n = 20, P < .001), and reached 2.91 mL ± 2.43 by the 6-month follow-up examination (n = 16, P < .001). By then, the mean volume reduction was 48.7% ± 24.3 (P< .001). Minor transient complications such as subcutaneous edema and mild skin redness were observed in two patients. Another monocenter study was performed in Germany in 2014. Ten patients with one thyroid nodule each were treated by HIFU. Three months after the procedure, thyroid nodule volume was significantly reduced by 48.8% (median) and a shrinkage up to 75% of the volume was observed. In terms of safety, no serious side effect related to the procedure was reported.
Objectives:
The present study is aimed to explore the followings:
- To evaluate the efficacy of the HIFU for the treatment of benign thyroid nodules using assessment of patient experience and adverse event reporting.
- To evaluate the tolerance of HIFU in the treatment of benign thyroid nodules.
- To determine the location parameters associated with optimal efficiency tissue ablation.
The procedure schedule comprises:
- An first visit (V0)
- The HIFU session (D0)
- A visit at 1, 3 and 7 days after HIFU session (D1, D3, D7)
- A visit at 3 and 6 months (M3, M6).
- At each visit: any local and/or general adverse event will be documented in case report form (CRF).
Ultrasound measurement of the treated nodule (in 3 dimensions) will be performed at each scheduled visit.
The treatment procedure of Echopulse consists of five treatment steps:
- Pre-treatment ultrasonography
- Positioning
- Planning
- Generation of HIFU treatment pulses in the volume defined above; power setting is achieved on regularly spaced sites subsets.
- Post-treatment visualization and final report. The parameters of HIFU treatment will be part of the clinical study data base. When an HIFU session is prematurely interrupted, the reason of interruption will be recorded in the CRF (adverse event, technical failure, others).
Study duration will lbe 6 months for each patient, counting from the post-HIFU day.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Hong Kong, Hong Kong
- Queen Mary Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female patient 18 years or older.
Patient presenting with at least one thyroid nodule with no signs of malignancy:
- Non suspicious clinically and at ultrasonography imaging
- Benign cytological diagnosis at fine needle aspiration biopsy in the last 6 months
- Normal serum calcitonin
- No history of neck irradiation
- Serum TSH and free T4 levels within the normal range
- Targeted nodule deemed to be accessible and eligible to HIFU
- Absence of vocal cord paresis at laryngoscopy
- Nodule greatest diameter between ≥10 - 20mm as measured by ultrasound
- Composition of the targeted nodule(s) : predominantly solid
- Patient is mentally competent and has given informed consent.
Exclusion Criteria:
- Head and/or neck disease that prevents extension of neck
- Known history of thyroid cancer or other malignant tumors in the neck region
- History of neck irradiation
- Intranodular macrocalcification inducing a shadow in the thyroid significant enough to preclude HIFU treatment
- A nodule next to the posterior margin of the lobe with distance <15mm
- Pregnant or lactating woman
- Any contraindication to the assigned analgesia/anaesthesia.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: HIFU treatment
To collect the data after HIFU treatment
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Echopulse is a real-time US-guided High-intensity focused ultrasound (HIFU) system, the HIFU session is a noninvasive procedure that involves application of a focused high-energy ultrasound beam for thermal tissue ablation inside the targeted zone, with minimal effect on the surrounding tissue
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The changing volume of benign thyroid nodule after HIFU treatment
Time Frame: 6 months
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Change in volume (ml) of the targeted benign thyroid nodule 6 months after one successful course of HIFU
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6 months
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The changing greatest dimension of benign thyroid nodule after HIFU treatment
Time Frame: 6 months
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Change in greatest dimension (in mm) of the targeted benign thyroid nodule 6 months after one successful course of HIFU
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6 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The pain assessment (scoring 1-10) after treatment
Time Frame: 6 months
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Patient pain score immediately after completion of HIFU treatment session.
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6 months
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Incidence of local/ or general adverse events
Time Frame: 6 months
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The incidence rate of local or general adverse events after completion of HIFU treatment session.
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6 months
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Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Hegedus L, Bonnema SJ, Bennedbaek FN. Management of simple nodular goiter: current status and future perspectives. Endocr Rev. 2003 Feb;24(1):102-32. doi: 10.1210/er.2002-0016.
- Erdogan MF, Gursoy A, Erdogan G. Natural course of benign thyroid nodules in a moderately iodine-deficient area. Clin Endocrinol (Oxf). 2006 Dec;65(6):767-71. doi: 10.1111/j.1365-2265.2006.02664.x.
- Bergenfelz A, Jansson S, Kristoffersson A, Martensson H, Reihner E, Wallin G, Lausen I. Complications to thyroid surgery: results as reported in a database from a multicenter audit comprising 3,660 patients. Langenbecks Arch Surg. 2008 Sep;393(5):667-73. doi: 10.1007/s00423-008-0366-7. Epub 2008 Jul 17.
- Sung JY, Baek JH, Kim KS, Lee D, Yoo H, Kim JK, Park SH. Single-session treatment of benign cystic thyroid nodules with ethanol versus radiofrequency ablation: a prospective randomized study. Radiology. 2013 Oct;269(1):293-300. doi: 10.1148/radiol.13122134. Epub 2013 Apr 24.
- Gharib H, Hegedus L, Pacella CM, Baek JH, Papini E. Clinical review: Nonsurgical, image-guided, minimally invasive therapy for thyroid nodules. J Clin Endocrinol Metab. 2013 Oct;98(10):3949-57. doi: 10.1210/jc.2013-1806. Epub 2013 Aug 16.
- Baek JH, Lee JH, Valcavi R, Pacella CM, Rhim H, Na DG. Thermal ablation for benign thyroid nodules: radiofrequency and laser. Korean J Radiol. 2011 Sep-Oct;12(5):525-40. doi: 10.3348/kjr.2011.12.5.525. Epub 2011 Aug 24.
- Zhou YF. High intensity focused ultrasound in clinical tumor ablation. World J Clin Oncol. 2011 Jan 10;2(1):8-27. doi: 10.5306/wjco.v2.i1.8.
- Kovatcheva RD, Vlahov JD, Shinkov AD, Borissova AM, Hwang JH, Arnaud F, Hegedus L. High-intensity focused ultrasound to treat primary hyperparathyroidism: a feasibility study in four patients. AJR Am J Roentgenol. 2010 Oct;195(4):830-5. doi: 10.2214/AJR.09.3932.
- Kovatcheva RD, Vlahov JD, Stoinov JI, Kirilov GG, Krivoshiev SG, Arnaud F, Ortuno C, Drueke TB. High-intensity focussed ultrasound (HIFU) treatment in uraemic secondary hyperparathyroidism. Nephrol Dial Transplant. 2012 Jan;27(1):76-80. doi: 10.1093/ndt/gfr590. Epub 2011 Oct 19.
- Kovatcheva R, Vlahov J, Stoinov J, Lacoste F, Ortuno C, Zaletel K. US-guided high-intensity focused ultrasound as a promising non-invasive method for treatment of primary hyperparathyroidism. Eur Radiol. 2014 Sep;24(9):2052-8. doi: 10.1007/s00330-014-3252-4. Epub 2014 Jun 4.
- Esnault O, Franc B, Monteil JP, Chapelon JY. High-intensity focused ultrasound for localized thyroid-tissue ablation: preliminary experimental animal study. Thyroid. 2004 Dec;14(12):1072-6. doi: 10.1089/thy.2004.14.1072.
- Esnault O, Franc B, Chapelon JY. Localized ablation of thyroid tissue by high-intensity focused ultrasound: improvement of noninvasive tissue necrosis methods. Thyroid. 2009 Oct;19(10):1085-91. doi: 10.1089/thy.2009.0121.
- Esnault O, Franc B, Menegaux F, Rouxel A, De Kerviler E, Bourrier P, Lacoste F, Chapelon JY, Leenhardt L. High-intensity focused ultrasound ablation of thyroid nodules: first human feasibility study. Thyroid. 2011 Sep;21(9):965-73. doi: 10.1089/thy.2011.0141. Epub 2011 Aug 11.
- Esnault O, Rouxel A, Le Nestour E, Gheron G, Leenhardt L. Minimally invasive ablation of a toxic thyroid nodule by high-intensity focused ultrasound. AJNR Am J Neuroradiol. 2010 Nov;31(10):1967-8. doi: 10.3174/ajnr.A1979. Epub 2010 Jan 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.
- Vitti P, Rago T, Mazzeo S, Brogioni S, Lampis M, De Liperi A, Bartolozzi C, Pinchera A, Martino E. Thyroid blood flow evaluation by color-flow Doppler sonography distinguishes Graves' disease from Hashimoto's thyroiditis. J Endocrinol Invest. 1995 Dec;18(11):857-61. doi: 10.1007/BF03349833.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- UW15-486
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