# Positioning and Tracking the Prostate During External Beam Radiation

> **NCT00123838** · NA · COMPLETED · sponsor: **Varian, a Siemens Healthineers Company** · enrollment: 43 (actual)

## Conditions studied

- Prostate Cancer

## Interventions

- **DEVICE:** Calypso® 4D Localization System

## Key facts

- **NCT ID:** NCT00123838
- **Lead sponsor:** Varian, a Siemens Healthineers Company
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-07
- **Primary completion:** 2008-09
- **Final completion:** 2008-09
- **Target enrollment:** 43 (ACTUAL)
- **Last updated:** 2016-04-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00123838

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00123838, "Positioning and Tracking the Prostate During External Beam Radiation". Retrieved via AI Analytics 2026-07-12 from https://api.ai-analytics.org/clinical/NCT00123838. Licensed CC0.

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