# Haemorrhage Risk Reduction Using Endovascular Embolisation in Place of Vessel Ligation for Patients Undergoing Transoral Robotic Surgery (HELPR)

> **NCT05477992** · NA · UNKNOWN · sponsor: **Royal Marsden NHS Foundation Trust** · enrollment: 10 (estimated)

## Conditions studied

- Head and Neck Cancer

## Interventions

- **PROCEDURE:** Endovascular embolization

## Key facts

- **NCT ID:** NCT05477992
- **Lead sponsor:** Royal Marsden NHS Foundation Trust
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-08-01
- **Primary completion:** 2023-11
- **Final completion:** 2023-11
- **Target enrollment:** 10 (ESTIMATED)
- **Last updated:** 2022-07-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05477992

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05477992, "Haemorrhage Risk Reduction Using Endovascular Embolisation in Place of Vessel Ligation for Patients Undergoing Transoral Robotic Surgery (HELPR)". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT05477992. Licensed CC0.

---

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