# Establishment of Tongue Image Database and Machine Learning Model for Malignant Tumors Diagnosis

> **NCT04793672** · — · COMPLETED · sponsor: **Zhejiang Cancer Hospital** · enrollment: 4100 (actual)

## Conditions studied

- Malignant Tumor

## Interventions

- **OTHER:** Tongue images, coating on the tongue and clinical data of patients with malignant tumors and healthy people will be collected.

## Key facts

- **NCT ID:** NCT04793672
- **Lead sponsor:** Zhejiang Cancer Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-05-01
- **Primary completion:** 2022-04-01
- **Final completion:** 2023-12-01
- **Target enrollment:** 4100 (ACTUAL)
- **Last updated:** 2024-07-30

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04793672

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04793672, "Establishment of Tongue Image Database and Machine Learning Model for Malignant Tumors Diagnosis". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04793672. Licensed CC0.

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