# Collection of Blood and Urine Samples in Patients Receiving Radiation Therapy for Glioblastoma Multiforme

> **NCT00083512** · — · RECRUITING · sponsor: **National Cancer Institute (NCI)** · enrollment: 200 (estimated)

## Conditions studied

- Glioblastoma Multiforme

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00083512
- **Lead sponsor:** National Cancer Institute (NCI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2004-06-22
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2026-04-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00083512

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00083512, "Collection of Blood and Urine Samples in Patients Receiving Radiation Therapy for Glioblastoma Multiforme". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00083512. Licensed CC0.

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