Prospective Validation of Pathology-based Artificial Intelligence Diagnostic Model for Lymph Node Metastasis in Prostate Cancer

NCT ID: NCT06253065

Last Updated: 2025-08-03

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

100 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-01-12

Study Completion Date

2025-12-31

Brief Summary

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The goal of this diagnostic test is to prospectively test the performance of pre-developed artificial intelligence (AI) diagnostic model for detecting pathological lymph node metastasis (LNM) of prostate cancer. Investigators had developed this AI model based on deep learning algorithms in preliminary research, and it performed well in retrospective tests.

Investigators will compare the diagnostic performance (sensitivity, specificity, etc.) of the AI model and routine pathological report issued by pathologists, to see if the AI model can improve the clinical workflow of pathological evaluation of LNM in prostate cancer in the real world.

Detailed Description

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Lymph node metastasis (LNM) is a common mode of metastasis in prostate cancer, and accurate postoperative pathological lymph node staging is of great significance for further treatment and prognosis assessment. However, the current pathological evaluation of lymph nodes relies on manual examination by pathologists, which has a relatively low diagnostic efficiency and is prone to missed-diagnosis for micro metastatic lesions. Therefore, investigators developed an AI diagnostic model for detecting pathological lymph node metastasis of prostate cancer based on deep learning algorithms in preliminary research, and it performed well in retrospective tests.

This study is a diagnostic test with no intervention measures, planning to collect pathological slides of formalin-fixed, paraffin-embedded lymph nodes resected from the enrolled patients and digitise them into whole-slide images (WSIs). The AI model will analyse the WSIs and generate pixel-level heatmaps and slide-level diagnostic results (with or without LNM). The routine pathological examination will be performed as usual. These two processes will not interfere with each other. And if there are inconsistency in slide-level classification between AI and routine pathological examination, investigators would convene senior pathologists for discussion to make the final decision (immunohistochemistry would be performed if necessary). The final result will be presented to the patient in the form of a pathological report.

Conditions

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Prostatic Neoplasms Lymphatic Metastasis

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Patients undergoing PLND

Patients (will) undergo radical prostatectomy and pelvic lymph node dissection

Artificial intelligence (AI)-based diagnostic model (developed)

Intervention Type DIAGNOSTIC_TEST

Collect pathological slides of resected lymph nodes of the enrolled patients. Digitise these slides into whole-slide images (WSIs). Analyze the WSIs using the AI model to generate diagnostic results (with or without lymphatic metastasis). No intervention to patients would be performed in this diagnostic test study.

Interventions

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Artificial intelligence (AI)-based diagnostic model (developed)

Collect pathological slides of resected lymph nodes of the enrolled patients. Digitise these slides into whole-slide images (WSIs). Analyze the WSIs using the AI model to generate diagnostic results (with or without lymphatic metastasis). No intervention to patients would be performed in this diagnostic test study.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Patients with prostate cancer, undergoing radical prostatectomy and pelvic lymph node dissection.
* Patients with complete clinical and pathological information.

Exclusion Criteria

* Patients with other tumors that metastasized to pelvic lymph nodes.
* The patient refused to participate in this diagnostic test.
Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

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Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Tianxin Lin, Ph.D

Role: STUDY_CHAIR

Department of Urology of Sun Yat-sen Memorial Hospital of Sun Yat-sen University

Locations

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Sun Yat-sen Memorial Hospital of Sun Yat-sen University

Guangzhou, Guangdong, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Tianxin Lin, Ph.D

Role: CONTACT

13724008338, China

Shaoxu Wu, MD

Role: CONTACT

15017581087, China

Facility Contacts

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Cuimei Yao

Role: primary

13450210603

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Informed Consent Form

View Document

Other Identifiers

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SYSKY-2023-1281-01

Identifier Type: -

Identifier Source: org_study_id

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