# Evaluation, Treatment, and Natural History of Children and Young Adults With Cancer or Rare Diseases

> **NCT00001686** · — · COMPLETED · sponsor: **National Cancer Institute (NCI)** · enrollment: 482 (actual)

## Conditions studied

- Ewing's Sarcoma
- Leukemia
- Lymphoma
- Brain Tumors
- Rhabdomyosarcoma

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00001686
- **Lead sponsor:** National Cancer Institute (NCI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 1998-03-19
- **Primary completion:** 2020-09-02
- **Final completion:** 2020-09-02
- **Target enrollment:** 482 (ACTUAL)
- **Last updated:** 2020-09-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00001686

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00001686, "Evaluation, Treatment, and Natural History of Children and Young Adults With Cancer or Rare Diseases". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00001686. Licensed CC0.

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