# A1Check: the External Validation of a Machine Learning Model Predicting Colorectal Anastomotic Leakage

> **NCT05810207** · — · UNKNOWN · sponsor: **Freek Daams** · enrollment: 1000 (estimated)

## Conditions studied

- Anastomotic Leak
- Anastomotic Leak Large Intestine
- Anastomotic Complication
- Anastomotic Leak Rectum

## Interventions

- **PROCEDURE:** Colorectal resection

## Key facts

- **NCT ID:** NCT05810207
- **Lead sponsor:** Freek Daams
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-02-01
- **Primary completion:** 2024-07-01
- **Final completion:** 2024-12-31
- **Target enrollment:** 1000 (ESTIMATED)
- **Last updated:** 2023-04-28

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05810207

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05810207, "A1Check: the External Validation of a Machine Learning Model Predicting Colorectal Anastomotic Leakage". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT05810207. Licensed CC0.

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