# Eligibility Screening for a NCI Pediatric Oncology Branch Research Study

> **NCT00026780** · — · COMPLETED · sponsor: **National Cancer Institute (NCI)** · enrollment: 1720 (actual)

## Conditions studied

- Ewing Sarcoma
- Osteosarcoma
- Neuroblastoma
- Acute Lymphoblastic Leukemia
- Neurofibromatosis Type 1

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00026780
- **Lead sponsor:** National Cancer Institute (NCI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2001-09-24
- **Primary completion:** 2020-10-07
- **Final completion:** 2020-10-07
- **Target enrollment:** 1720 (ACTUAL)
- **Last updated:** 2020-10-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00026780

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00026780, "Eligibility Screening for a NCI Pediatric Oncology Branch Research Study". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT00026780. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*