# Molecular Basis of Langerhans and Non-Langerhans Cell Histiocytic Neoplasms and Castleman Disease

> **NCT05028621** · NA · SUSPENDED · sponsor: **Case Comprehensive Cancer Center** · enrollment: 135 (estimated)

## Conditions studied

- Castleman's Disease (CD)
- Langerhans Cell Histiocytosis (LCH)
- Non-Langerhans-Cell Histiocytosis

## Interventions

- **DIAGNOSTIC_TEST:** Genetic testing

## Key facts

- **NCT ID:** NCT05028621
- **Lead sponsor:** Case Comprehensive Cancer Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** SUSPENDED
- **Start date:** 2021-06-18
- **Primary completion:** 2026-09
- **Final completion:** 2026-09
- **Target enrollment:** 135 (ESTIMATED)
- **Why stopped:** Working on changing study vendor
- **Last updated:** 2026-05-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05028621

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05028621, "Molecular Basis of Langerhans and Non-Langerhans Cell Histiocytic Neoplasms and Castleman Disease". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT05028621. Licensed CC0.

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