# Expanded Access Protocol of Givosiran for Patients With Acute Hepatic Porphyria

> **NCT04056481** · — · APPROVED_FOR_MARKETING · sponsor: **Alnylam Pharmaceuticals**

## Conditions studied

- Acute Hepatic Porphyria

## Interventions

- **DRUG:** Givosiran

## Key facts

- **NCT ID:** NCT04056481
- **Lead sponsor:** Alnylam Pharmaceuticals
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** EXPANDED_ACCESS
- **Status:** APPROVED_FOR_MARKETING
- **Start date:** —
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** — (—)
- **Last updated:** 2024-05-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04056481

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04056481, "Expanded Access Protocol of Givosiran for Patients With Acute Hepatic Porphyria". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04056481. Licensed CC0.

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