# Optimisation of Radiotherapy in Rectal Cancer (ORREC)

> **NCT04090450** · — · UNKNOWN · sponsor: **University of Manchester** · enrollment: 1500 (estimated)

## Conditions studied

- Rectal Adenocarcinoma

## Interventions

- **RADIATION:** chemo-radiotherapy

## Key facts

- **NCT ID:** NCT04090450
- **Lead sponsor:** University of Manchester
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-09-23
- **Primary completion:** 2020-04-01
- **Final completion:** 2021-03-31
- **Target enrollment:** 1500 (ESTIMATED)
- **Last updated:** 2019-09-16

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04090450

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04090450, "Optimisation of Radiotherapy in Rectal Cancer (ORREC)". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04090450. Licensed CC0.

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