# Is Doppler Necessary in Haemorrhoidal Artery Ligation Operation?

> **NCT01051180** · — · TERMINATED · sponsor: **Poole Hospital NHS Foundation Trust** · enrollment: 150 (actual)

## Conditions studied

- Piles
- Bleeding

## Interventions

- **PROCEDURE:** HALO

## Key facts

- **NCT ID:** NCT01051180
- **Lead sponsor:** Poole Hospital NHS Foundation Trust
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2010-01
- **Primary completion:** 2012-12
- **Final completion:** 2013-03
- **Target enrollment:** 150 (ACTUAL)
- **Why stopped:** Doppler device company wanted hospital to stop recruiting
- **Last updated:** 2017-04-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01051180

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01051180, "Is Doppler Necessary in Haemorrhoidal Artery Ligation Operation?". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT01051180. Licensed CC0.

---

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