- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06149637
Lateral Cervical Node Dissection in Differentiated Thyroid Cancer.
Comparison of Two Routes of Surgical Approach to Lateral Cervical Node Dissection in Differentiated Thyroid Cancer Patients With Lateral Metastatic Disease: Randomized Clinical Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The incidence of thyroid cancer has increased in recent decades, being responsible for 586,000 cases worldwide, ranking ninth in incidence in 2020. The rapid increase of thyroid cancer, particularly papillary thyroid cancer, has been largely attributed to the increasing use of ultrasound, along with increased use of other imaging modalities.
Similarly, analyzing the pattern of lymph node dissemination of well-differentiated thyroid carcinoma, Eskander et al., 2 reviewed all the pertinent literature up to 2011 (a total of 1,145 patients and 1,298 neck dissections) and reported an overall metastasis rate in patients taken to to surgery of 53.1%, 15.5%, 70.5%, 66.3%, 7.9% and 21.5% in levels IIa, IIb, III, IV, Va and Vb, respectively. For the Thus, the primary surgical treatment for lateral neck disease generally includes lateral neck dissection in conjunction with total thyroidectomy. Lymph node dissection should be performed in patients with biopsy-proven metastatic lateral cervical nodes. Jugular nodes located at levels II, III, and IV are the lateral neck compartments most commonly affected by CBDT and should be included in all therapeutic lateral neck dissections. Level V, which represents the posterior triangle of the neck, is affected less frequently. However, the Vb level must be dissected along with the other levels, and careful visualization and dissection of the spinal accessory nerve is paramount. Level V can be approached by an anterior approach by retracting the sternocleidomastoid muscle posteriorly, or by dissecting the posterior triangle behind the muscle sternocleidomastoid to the trapezius muscle. The precise extent of the neck dissection is a decision made based on the volume and location of the disease. The ATA recommends complete lymph node dissection (CLND), including levels II and V, for most patients with clinically evident lateral neck metastatic disease, although nuances regarding the extent of level V dissection are not clarified, in relation to whether level V should be included. Regarding the difference between the surgical techniques, the posterior approach to the sternocleidomastoid muscle involves a longer incision, where the dissection proceeds from the anterior edge of the trapezius muscle in a medial direction that includes the lymphatic contents of the supraclavicular fossa. The upper margin of this area presents the greatest risk of damage to the spinal accessory nerve. Furthermore, during the dissection of this region, several supraclavicular branches of the cervical plexus can be found. Some branches of the deep cervical plexus follow a course similar to that of the accessory nerve and may confuse the novice surgeon. In the case of the anterior approach, the incision is made up to the anterior edge of the ECM and once the accessory nerve has been identified at its insertion in the sternocleidomastoid, its course is traced superiorly to the posterior belly of the digastric. However, the effect of the anterior approach on the lymph node count and the risk of future recurrence at level V is uncertain. With these differences in terms of the approach in these two techniques, a greater length of skin incision, and greater dissection of the accessory nerve can be observed. and of the deep cervical plexus given the similar course to the XI nerve in the posterior approach, the question arises as to whether the surgical approach influences the patient's morbidity.
The main objective of the present study was to compare the morbidity and effectiveness measured in terms of lymph node count of emptying levels II to V by the anterior versus the posterior route in patients with well-differentiated thyroid cancer with lateral metastases.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Alvaro Sanabria, MD
- Phone Number: 3138175170
- Email: alvarosanabria@gmail.com
Study Locations
-
-
Antioquia
-
Medellin, Antioquia, Colombia, 050010
- Recruiting
- Hospital Alma Mater de Antioquia
-
Contact:
- Alvaro Sanabria, MD
- Phone Number: 573138175170
- Email: alvarosanabria@gmail.com
-
Sub-Investigator:
- Carlos Garcia, MD
-
Sub-Investigator:
- Juan G Sanchez, MD
-
Sub-Investigator:
- Carlos Betancour, MD
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Sub-Investigator:
- Yessica Trujillo, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients ≥ 18 years.
- Patients with macroscopic lymph node involvement identified by physical examination, imaging or intraoperatively in lateral neck.
- Patients with microscopic nodal involvement confirmed by FNAB (definition by the pathologist of suspected or confirmed metastatic papillary carcinoma according to the Bethesda criteria)
- Candidates for lateral lymph node dissection due to suspected or confirmed disease metastatic lymph nodes as defined by the treating surgeon.
- Patients requiring or not requiring thyroidectomy and/or central dissection concomitant with the dissection
Exclusion Criteria:
- Patients with a history of previous neck dissection
- Histological confirmation of medullary or anaplastic carcinoma
- Previous spinal nerve injury
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Traditional neck dissection approach
|
.1.
A transverse cervical incision is made with horizontal extension towards the affected side.
2. It is dissected through the subplatysmal plane, the posterior edge of the sternocleidomastoid muscle is dissected along its entire length.
3. Identification and dissection of the spinal nerve at Erb's point.
4. Level V nodes are dissected up to the spinal nerve without identifying or dissecting it 5.
The jugular chain nodes are identified and the left level IV nodes are dissected with special attention to ligate the lymphatics of this level 6.
Identification and dissection of level III nodes 7. Identification and dissection of level IIA and IIB ganglia with identification and preservation of the accessory nerve.
|
Experimental: Anterior neck dissection approach
Anterior neck dissection
|
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Shoulder dysfunction
Time Frame: 2 weeks, 3 months, 6 months, and 1 year
|
(SPADI shoulder pain and disability questionnaire, validated in Spanish) Minimun score 0, maximun 100, a higher score means higher disability
|
2 weeks, 3 months, 6 months, and 1 year
|
Cervical disconfort
Time Frame: 2 weeks, 3 months, 6 months, and 1 year
|
The Cervical Disability Index (IDC) validated in Spanish Minimun score 0, maximun 50, a higher score means higher disability
|
2 weeks, 3 months, 6 months, and 1 year
|
Complications
Time Frame: 30 days
|
Temporary or permanent accessory nerve injury measured in the physical examination by limitation of the lateral range of movement of the shoulder less than 50%
|
30 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Total lymph node count.
Time Frame: 30 days
|
Total number of resected and compromised lymph nodes according to the histopathology report
|
30 days
|
Surgical time
Time Frame: 30 days
|
Surgical time in minutes according to the surgical report
|
30 days
|
Lateral lymph node recurrence
Time Frame: 5 years
|
Number of participants with presence of tumor in the neck lymph nodes detected during follow-up by physical examination or imaging 6 months or more after primary surgery and confirmed cytopathologically.
|
5 years
|
Dynamic response
Time Frame: 5 years
|
Number of participants with excellent, incomplete biochemical, incomplete structural or undetermined response according to the ATA classification.
|
5 years
|
Overall and disease-free survival
Time Frame: 5 years
|
Overall and disease-free survival measured from the day of surgery until recurrence or termination of follow-up.
|
5 years
|
Length of postoperative hospital stay.
Time Frame: 30 days
|
Length of postoperative hospital stay.
|
30 days
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Alvaro Sanabria, Universidad de Antioquia
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IN53-2021
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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Clinical Trials on Thyroid Cancer
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National Cancer Institute (NCI)TerminatedInsular Thyroid Cancer | Recurrent Thyroid Cancer | Stage IV Follicular Thyroid Cancer | Stage IV Papillary Thyroid Cancer | Anaplastic Thyroid Cancer | Stage III Follicular Thyroid Cancer | Stage III Papillary Thyroid CancerUnited States
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University of WashingtonNational Cancer Institute (NCI); GlaxoSmithKline; National Comprehensive Cancer...CompletedRecurrent Thyroid Cancer | Stage IVA Follicular Thyroid Cancer | Stage IVA Papillary Thyroid Cancer | Stage IVB Follicular Thyroid Cancer | Stage IVB Papillary Thyroid Cancer | Stage IVC Follicular Thyroid Cancer | Stage IVC Papillary Thyroid CancerUnited States
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National Cancer Institute (NCI)CompletedRecurrent Thyroid Cancer | Stage IVA Follicular Thyroid Cancer | Stage IVA Papillary Thyroid Cancer | Stage IVB Follicular Thyroid Cancer | Stage IVB Papillary Thyroid Cancer | Stage IVC Follicular Thyroid Cancer | Stage IVC Papillary Thyroid CancerUnited States
-
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