# Histiocytic Disorder Follow-up Study

> **NCT05915208** · — · RECRUITING · sponsor: **University of Alabama at Birmingham** · enrollment: 6000 (estimated)

## Conditions studied

- Histiocytosis
- Langerhans Cell Histiocytosis
- Erdheim-Chester Disease
- Rosai Dorfman Disease
- Xanthogranuloma
- Malignant Histiocytoses

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT05915208
- **Lead sponsor:** University of Alabama at Birmingham
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2022-09-01
- **Primary completion:** 2027-07
- **Final completion:** 2028-12
- **Target enrollment:** 6000 (ESTIMATED)
- **Last updated:** 2025-06-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05915208

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05915208, "Histiocytic Disorder Follow-up Study". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT05915208. Licensed CC0.

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