# HLH Patients - a Retrospective Study

> **NCT05531721** · — · COMPLETED · sponsor: **Azienda Ospedaliera Ospedale Infantile Regina Margherita Sant'Anna** · enrollment: 39 (actual)

## Conditions studied

- Hemophagocytic Lymphohistiocytoses

## Interventions

- **OTHER:** Observation

## Key facts

- **NCT ID:** NCT05531721
- **Lead sponsor:** Azienda Ospedaliera Ospedale Infantile Regina Margherita Sant'Anna
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-11-10
- **Primary completion:** 2023-02-24
- **Final completion:** 2023-04-30
- **Target enrollment:** 39 (ACTUAL)
- **Last updated:** 2023-05-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05531721

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05531721, "HLH Patients - a Retrospective Study". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT05531721. Licensed CC0.

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