# Ex Vivo Intra-arterial Indigo Carmine Injection After Transanal Total Mesorectal Excision

> **NCT04455737** · — · COMPLETED · sponsor: **Walter Brunner** · enrollment: 189 (actual)

## Conditions studied

- Rectal Neoplasms

## Interventions

- **OTHER:** injection of indigo carmine

## Key facts

- **NCT ID:** NCT04455737
- **Lead sponsor:** Walter Brunner
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2013-10
- **Primary completion:** 2019-12
- **Final completion:** 2020-06
- **Target enrollment:** 189 (ACTUAL)
- **Last updated:** 2021-08-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04455737

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04455737, "Ex Vivo Intra-arterial Indigo Carmine Injection After Transanal Total Mesorectal Excision". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04455737. Licensed CC0.

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