# Late Effects After Treatment in Patients With Previously Diagnosed High-Risk Neuroblastoma

> **NCT03057626** · — · ACTIVE_NOT_RECRUITING · sponsor: **Children's Oncology Group** · enrollment: 376 (actual)

## Conditions studied

- Recurrent Neuroblastoma
- Stage 2A Neuroblastoma
- Stage 2B Neuroblastoma
- Stage 3 Neuroblastoma
- Stage 4 Neuroblastoma
- Stage 4S Neuroblastoma

## Interventions

- **OTHER:** Cytology Specimen Collection Procedure
- **OTHER:** Laboratory Biomarker Analysis
- **OTHER:** Quality-of-Life Assessment

## Key facts

- **NCT ID:** NCT03057626
- **Lead sponsor:** Children's Oncology Group
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2017-06-05
- **Primary completion:** 2021-09-30
- **Final completion:** 2026-09-30
- **Target enrollment:** 376 (ACTUAL)
- **Last updated:** 2026-01-09

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03057626

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03057626, "Late Effects After Treatment in Patients With Previously Diagnosed High-Risk Neuroblastoma". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03057626. Licensed CC0.

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