# PMRA and Shapley-Based Machine Learning for Predicting Lymph Node Metastasis in Central Subregions of Clinically Node-Negative Papillary Thyroid Microcarcinoma: a Prospective Multicenter Validation and Development of a Web Calculator

> **NCT06871956** · — · COMPLETED · sponsor: **First Affiliated Hospital of Chongqing Medical University** · enrollment: 4882 (actual)

## Conditions studied

- Papillary Thyroid Microcarcinoma

## Interventions

- **DIAGNOSTIC_TEST:** PMRA and Shapley-Based Machine Learning for Predicting Lymph Node Metastasis in Central Subregions of Clinically Node-Negative Papillary Thyroid Microcarcinoma

## Key facts

- **NCT ID:** NCT06871956
- **Lead sponsor:** First Affiliated Hospital of Chongqing Medical University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-01-01
- **Primary completion:** 2023-12-31
- **Final completion:** 2023-12-31
- **Target enrollment:** 4882 (ACTUAL)
- **Last updated:** 2025-03-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06871956

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06871956, "PMRA and Shapley-Based Machine Learning for Predicting Lymph Node Metastasis in Central Subregions of Clinically Node-Negative Papillary Thyroid Microcarcinoma: a Prospective Multicenter Validation and Development of a Web Calculator". Retrieved via AI Analytics 2026-07-17 from https://api.ai-analytics.org/clinical/NCT06871956. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*