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Approved for marketingNCT04056481Updated May 20, 2024

Expanded Access Protocol of Givosiran for Patients With Acute Hepatic Porphyria

An expanded access record providing Givosiran in Acute Hepatic Porphyria, sponsored by Alnylam Pharmaceuticals. Approved for marketing. Open to participants aged 12 Years and older. Per ClinicalTrials.gov, last updated 2024-05-20.

Sponsored by Alnylam Pharmaceuticals · Expanded access

Study type
Expanded access
Access type
Treatment IND/protocol
Ages
12 Years and older
Sex
All
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Study summary

The purpose of this study is to provide expanded access of givosiran to patients with Acute Hepatic Porphyria (AHP).

Read the detailed description

Choosing to participate in an expanded access program is an important personal decision. Talk with your doctor and family members or friends about deciding to join a research study. To learn more about this study, please have your doctor contact the study research staff using the Contacts provided. For general information, see the link provided in More Information.

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Conditions studied

  • Acute Hepatic Porphyria

Keywords

  • Acute Hepatic Porphyria (AHP)
  • Acute Intermittent Porphyria (AIP)
  • Porphyria
  • Acute Intermittent
  • Acute Porphyria
  • Hereditary Coproporphyria (HCP)
  • Variegate Porphyria (VP)
  • ALA Dehydratase Deficient Porphyria (ADP)
  • Givosiran
  • Expanded Access
  • EAP
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In context

Porphyria, Erythropoietic

33 studies on the registry are indexed under Porphyria, Erythropoietic; 1 is open to participants now.

Browse Porphyria, Erythropoietic studies →

Lead sponsor

Alnylam Pharmaceuticals is the lead sponsor of 82 studies on the registry; 20 are open to participants now.

Of its 17 completed or terminated interventional studies of FDA-regulated products, 14 (82%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
12 Years and older
Sexes eligible
All

Inclusion criteria

  • Diagnosed with Acute Hepatic Porphyria (Acute Intermittent Porphyria, Hereditary Coproporhyria, Variegate Porphyria, ALA dehydratase deficient porphyria)
  • Have adequate venous access for program sample collections as judged by the Investigator for study sample collections

Exclusion criteria

Exclusion Criteria:

  • Previously or currently participating in a givosiran clinical trial
  • Has any of the following laboratory parameter assessments at Screening:

    1. Alanine aminotransferase (ALT) >2×ULN
    2. Total bilirubin >1.5×ULN. Patients with elevated total bilirubin that is secondary to documented Gilbert's syndrome are eligible if the total bilirubin is \<2×ULN
    3. Estimated Glomerular Filtration Rate (eGFR) \<15 mL/min/1.73 m2
  • On an active liver transplantation waiting list
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Access details

Study type
Expanded access
Access type
Treatment IND/protocol

Available treatment

  • DrugGivosiran

    givosiran (ALN-AS1) administered as a subcutaneous (SC) injection

    Also known as: ALN-AS1

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Where to request access

No study locations are listed for this record.

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 20, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT04056481
Lead sponsor
Alnylam Pharmaceuticals
Responsible party
Sponsor
First posted
Aug 14, 2019
Last update
May 20, 2024

Study contacts

Medical Director
study director · Alnylam Pharmaceuticals
View the source record on ClinicalTrials.gov ↗

Requesting access

Expanded access is arranged between your doctor and the company. Ask your care team to contact the provider listed on this record.

No contact was published for this record. The registry link below has the sponsor’s details.

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Discussion

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