# Retinoblastoma Biomarker Study

> **NCT00342797** · — · COMPLETED · sponsor: **National Cancer Institute (NCI)** · enrollment: 2136 (actual)

## Conditions studied

- Retinoblastoma
- Melanoma
- Sarcoma

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00342797
- **Lead sponsor:** National Cancer Institute (NCI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 1993-11-17
- **Primary completion:** 2024-03-06
- **Final completion:** 2024-03-06
- **Target enrollment:** 2136 (ACTUAL)
- **Last updated:** 2024-03-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00342797

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00342797, "Retinoblastoma Biomarker Study". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00342797. Licensed CC0.

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