Renovated Prediction Model for Difficult Transoral and Submental Endoscopic Thyroidectomy

NCT ID: NCT06738888

Last Updated: 2025-02-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

300 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-05-01

Study Completion Date

2026-06-30

Brief Summary

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The investigators have previously proposed a prediction model for difficult transoral and submental thyroidectomy through a retrospective study. In order to better promote transoral and submental endoscopic approach for thyroid surgery and to set up an appropriate training course, the investigators aim to renovate and validate the prediction model through a prospective study.

Detailed Description

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Male sex, age, BMI, neck length and certain thyroid disease such as thyroiditis and hyperthyroidism have been long cited as indicators of a difficult thyroidectomy. The investiagtors hypothesized that neck extension was critical to the exposure and visualization of the surgical field in the endoscopic thyroidectomy. Therefore, several measurements were innovatedly integrated into the prediction model, including neck circumference, thyromental distance, sternomental distance, ratio of height-to-thyromental distance, ratio of height-to-sternomental distance.

Conditions

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Thyroid Cancer Thyroid Diseases Thyroid Nodule

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Difficult transoral and submental thyroidectomy

(1) operative time more than 75% of the overall study cases (2) severe intraoperative injuries :: vascular injury, recurrent laryngeal nerve injury, trachea injury, esophagus injury

Observations on clinicopathological factors influencing the difficulty of surgery

Intervention Type OTHER

Age, body mass index, gender, thyroid function parameters, lesion size, lesion location, ultrasound data, thyromental distance, neck circumference, sternomental distance, ratio of height-to-thyromental distance, RHTMD, ratio of height-to-sternomental distance, RHSMD

Normal transoral and submental thyroidectomy

the remaining of the entire study cases excluding the difficult cases

Observations on clinicopathological factors influencing the difficulty of surgery

Intervention Type OTHER

Age, body mass index, gender, thyroid function parameters, lesion size, lesion location, ultrasound data, thyromental distance, neck circumference, sternomental distance, ratio of height-to-thyromental distance, RHTMD, ratio of height-to-sternomental distance, RHSMD

Interventions

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Observations on clinicopathological factors influencing the difficulty of surgery

Age, body mass index, gender, thyroid function parameters, lesion size, lesion location, ultrasound data, thyromental distance, neck circumference, sternomental distance, ratio of height-to-thyromental distance, RHTMD, ratio of height-to-sternomental distance, RHSMD

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Clinical diagnosis of differentiated thyroid cancer with a maximum diameter not exceeding 4 cm
* Clinical diagnosis of benign thyroid nodule with a maximum diameter not exceeding 6 cm
* Absence of suspicious lateral lymph nodes or distant metastases

Exclusion Criteria

* Participants with fusion or fixation of lymph nodes in the neck
* Participants with history of neck surgery or radiation
* Participants with vocal fold fixation by preoperative fibrolaryngoscope
* Participants with preoperative examination suggestive of extrathyroidal invasion
* Participants with a significantly restricted neck and/or jaw
Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Shanghai 6th People's Hospital

OTHER

Sponsor Role lead

Responsible Party

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Ling Zhan

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Ling Zhan, Doctor

Role: PRINCIPAL_INVESTIGATOR

Shanghai 6th People's Hospital

Locations

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Shanghai Sixth People's Hospital

Shanghai, , China

Site Status RECRUITING

Countries

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China

Central Contacts

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Ling Zhan, Doctor

Role: CONTACT

08615821120972

Facility Contacts

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Ling Zhan, Doctor

Role: primary

08615821120972

Other Identifiers

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2025-KY-029(K)

Identifier Type: -

Identifier Source: org_study_id

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