- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03813706
the Dissection of Lymph Node Posterior to Right Recurrent Laryngeal Nerve for Papillary Thyroid Carcinoma
Prospective Study for the Dissection of Lymph Node Posterior to Right Recurrent Laryngeal Nerve for Papillary Thyroid Carcinoma
This study was completed in two stages. In the first stage, 2000 participants were enrolled according to the criteria. Following the principle of informed consent and voluntary consent of patients, the standard operation was "right or bilateral thyroidectomy + isthmus resection + right area VI lymph node dissection + left area VI lymph node dissection + lateral neck lymph node dissection". The age of participants, the size of right thyroid tumors, the invasion of the capsule and the number of lateral neck lymph node metastasis were counted to validate and improve the predictive model of lymph node posterior to the right recurrent laryngeal nerve in papillary thyroid cancer (Y=-0.029×age+0.771×tumor size+0.660×capsular invasion+1.331×right lateral lymph node metastasis-1.687, Y ≥0.16 means right recurrent laryngeal nerve posterior lymph node metastasis).
In the second stage, 2000 participants assessed by the model without posterior right recurrent laryngeal nerve metastasis were randomly divided into experimental group and control group according to the principle of informed consent and voluntary. The right recurrent laryngeal nerve posterior lymph nodes were not dissected in experimental group, while the right recurrent laryngeal nerve posterior lymph nodes were routinely dissected in control group. Through long-term follow-up and comparison of RFS and OS between the two groups, the investigators can scientifically evaluate the effectiveness of the "prediction model of lymph node posterior to right recurrent laryngeal nerve metastasis in papillary thyroid carcinoma", and seek evidence for accurate treatment of lymph node posterior to the right recurrent laryngeal nerve in thyroid papillary carcinoma.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Phase I:
- aged from 18 years old to 80 years old;
- the primary treatment of patients with right or bilateral PTC;
- patients will voluntarily enter the study after informed consent.
Phase II:
- aged from 18 years old to 80 years old;
- the primary treatment of patients with right or bilateral PTC predicted to have no LN-prRLN metastasis by the "prediction model of LN-prRLN";
- patients will voluntarily enter the study after informed consent.
Exclusion Criteria:
- patients refused to participate in the study;
- non first operation patients;
- other malignant tumor history;
- distant metastasis;
- history of neck trauma.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: LN-prRLN dissection
|
The right cervical central compartment VI is subdivided into right cervical central VI-1 subzone and VI-2 subzone.
Right central VI-1 subzone lies anterior to the RLN bounded by the hyoid bone superiorly, the suprasternal notch inferiorly, the inner edge of the common carotid artery laterally, and the midline of the trachea medially.
Right central VI-2 subzone lies posterior to the right RLN.
The superior, inferior, lateral, and medial borders are the laryngeal entry points of RLN, the intersection of the RLN with the innominate artery (near the right apical pleura), the inner edge of the common carotid artery, and esophagus, respectively.
The floor of right central VI-2 is the prevertebral fascia.
|
Experimental: no LN-prRLN dissection
|
The right cervical central compartment VI is subdivided into right cervical central VI-1 subzone and VI-2 subzone.
Right central VI-1 subzone lies anterior to the RLN bounded by the hyoid bone superiorly, the suprasternal notch inferiorly, the inner edge of the common carotid artery laterally, and the midline of the trachea medially.
Right central VI-2 subzone lies posterior to the right RLN.
The superior, inferior, lateral, and medial borders are the laryngeal entry points of RLN, the intersection of the RLN with the innominate artery (near the right apical pleura), the inner edge of the common carotid artery, and esophagus, respectively.
The floor of right central VI-2 is the prevertebral fascia.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Recurrence of thyroid cancer
Time Frame: Participants will be followed from the operation to 20 year (maximum)
|
Participants will be followed from the operation to 20 year (maximum)
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
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
- Pathologic Processes
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Adenocarcinoma
- Carcinoma
- Neoplasms, Glandular and Epithelial
- Endocrine System Diseases
- Endocrine Gland Neoplasms
- Thyroid Diseases
- Head and Neck Neoplasms
- Neoplastic Processes
- Neoplasm Metastasis
- Adenocarcinoma, Papillary
- Lymphatic Metastasis
- Thyroid Neoplasms
- Thyroid Cancer, Papillary
Other Study ID Numbers
- ZhejiangU20190115
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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