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Data updated: Mar 10, 2026

ELELYSO

TALIGLUCERASE ALFA
Approved 2012-05-01

ELELYSO (taliglucerase alfa) is a hydrolytic lysosomal glucocerebroside-specific enzyme indicated for the treatment of Type 1 Gaucher disease. It is approved for use in pediatric and adult patients aged four years and older with a confirmed diagnosis. As an enzyme replacement therapy, it addresses the enzymatic deficiency characteristic of this autosomal recessive disorder.

Source: FDA Label • Pfizer • Hydrolytic Lysosomal Glucocerebroside-specific Enzyme

How ELELYSO Works

Type 1 Gaucher disease is caused by a deficiency in the enzyme glucocerebrosidase, which leads to the accumulation of glucocerebroside in the liver, spleen, and bone marrow. ELELYSO acts as a recombinant analog of this enzyme, catalyzing the conversion of the accumulated substrate into glucose and ceramide. The drug enters cellular lysosomes by binding its mannose oligosaccharide chains to specific mannose receptors on the cell surface. This internalization reduces the amount of stored glucocerebroside within the lysosomal compartment of macrophages.

Source: FDA Label
4
Indications
--
Phase 3 Trials
13
Years on Market

Details

Status
Prescription
First Approved
2012-05-01
Routes
INTRAVENOUS
Dosage Forms
POWDER

Companies

Active Ingredient: TALIGLUCERASE ALFA

ELELYSO Approval History

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What ELELYSO Treats

1 indications

ELELYSO is approved for 1 conditions since its original approval in 2012. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Gaucher Disease
Source: FDA Label

ELELYSO Boxed Warning

HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS Patients treated with enzyme replacement therapies have experienced life‑threatening hypersensitivity reactions, including anaphylaxis. Anaphylaxis has occurred during the early course of enzyme replacement therapy and after extended duration of therapy. Initiate ELELYSO in a healthcare setting with appropriate medical monitoring and support measures, including access to cardiopulmonary resuscitation equipment. If a severe hypersensitivity reactio...

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

ELELYSO FDA Label Details

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Indications & Usage

FDA Label (PDF)

ELELYSO is indicated for the treatment of patients 4 years of age and older with a confirmed diagnosis of Type 1 Gaucher disease. ELELYSO is a hydrolytic lysosomal glucocerebroside-specific enzyme indicated for the treatment of patients 4 years and older with a confirmed diagnosis of Type 1 Gaucher disease .

⚠️ BOXED WARNING

WARNING: HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS Patients treated with enzyme replacement therapies have experienced life‑threatening hypersensitivity reactions, including anaphylaxis. Anaphylaxis has occurred during the early course of enzyme replacement therapy and after extended duration...

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.