# Early Discontinuation of Steroid Treatment in Negative FDG-PET/CT Patients With Idiopathic Retroperitoneal Fibrosis

> **NCT05428826** · PHASE4 · RECRUITING · sponsor: **Assistance Publique - Hôpitaux de Paris** · enrollment: 41 (estimated)

## Conditions studied

- Idiopathic Retroperitoneal Fibrosis

## Interventions

- **DRUG:** Prednisone

## Key facts

- **NCT ID:** NCT05428826
- **Lead sponsor:** Assistance Publique - Hôpitaux de Paris
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2022-11-25
- **Primary completion:** 2026-11-25
- **Final completion:** 2028-11-25
- **Target enrollment:** 41 (ESTIMATED)
- **Last updated:** 2025-05-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05428826

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05428826, "Early Discontinuation of Steroid Treatment in Negative FDG-PET/CT Patients With Idiopathic Retroperitoneal Fibrosis". Retrieved via AI Analytics 2026-07-08 from https://api.ai-analytics.org/clinical/NCT05428826. Licensed CC0.

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