# Cancer Risk in X-Ray Technologists: Second Survey

> **NCT00410475** · — · COMPLETED · sponsor: **National Cancer Institute (NCI)** · enrollment: 146022 (actual)

## Conditions studied

- Radiation-Induced Neoplasms
- Breast+Neoplasm+Radiation+Etiology
- Thyroid+Neoplasm+Radiation+Etiology

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00410475
- **Lead sponsor:** National Cancer Institute (NCI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 1997-09-17
- **Primary completion:** 2020-03-31
- **Final completion:** 2020-03-31
- **Target enrollment:** 146022 (ACTUAL)
- **Last updated:** 2020-04-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00410475

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00410475, "Cancer Risk in X-Ray Technologists: Second Survey". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT00410475. Licensed CC0.

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