# Novel Surrogate Markers as Predictors of Radiation Toxicity in Breast Cancer Patients Undergoing Helical Tomotherapy Compared to Standard Radiation Therapy

> **NCT00563407** · — · TERMINATED · sponsor: **AHS Cancer Control Alberta** · enrollment: 16 (actual)

## Conditions studied

- Genetic Markers
- Cardiac Toxicity
- Breast and Skin Motion

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00563407
- **Lead sponsor:** AHS Cancer Control Alberta
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2006-07
- **Primary completion:** 2011-03
- **Final completion:** 2011-03
- **Target enrollment:** 16 (ACTUAL)
- **Why stopped:** accrual goal met
- **Last updated:** 2016-02-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00563407

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00563407, "Novel Surrogate Markers as Predictors of Radiation Toxicity in Breast Cancer Patients Undergoing Helical Tomotherapy Compared to Standard Radiation Therapy". Retrieved via AI Analytics 2026-08-03 from https://api.ai-analytics.org/clinical/NCT00563407. Licensed CC0.

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