TheraRadar
Data updated: May 26, 2026

NEXVIAZYME (avalglucosidase alfa-ngpt)

Trial Activity: Expansion 2 active trials
First-in-Class Orphan Drug Breakthrough Therapy Priority Review Fast Track
Rare Disease Approved 2021-08-06

NEXVIAZYME is indicated for the treatment of Pompe Disease.

Source: FDA Label • Sanofi • Hydrolytic Lysosomal Glycogen-specific Enzyme

How NEXVIAZYME Works

Avalglucosidase alfa-ngpt provides an exogenous source of the acid α-glucosidase (GAA) enzyme, which is deficient in patients with Pompe disease. The drug utilizes mannose-6-phosphate (M6P) to bind to receptors on the cell surface, facilitating its internalization and transport into lysosomes. Once inside the lysosome, the drug undergoes proteolytic cleavage to increase its enzymatic activity. This active enzyme then cleaves and degrades accumulated glycogen into glucose, addressing the intralysosomal accumulation of glycogen.

Development Insights

Genzyme, a Sanofi Company conducting 2 trials (67%)
3 indications explored (Focused)
glycogen storage disease type ii (2 trials)
pompe's disease (1 trials)
glycogen storage disease type ii pompe disease (1 trials)
2
Indications
--
Phase 3 Trials
1
Priority Reviews
4
Years on Market

Details

Status
Prescription
First Approved
2021-08-06
Revenue
$224M (Q4-2025)

Pro Metrics

Patent cliff and revenue data

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Routes
INJECTION
Dosage Forms
INJECTABLE

Companies

Active Ingredient: AVALGLUCOSIDASE ALFA-NGPT

NEXVIAZYME Approval History

2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
2 FDA actions from 2021 to 2023 · 1 indication expansions
Sep 2023 SUPPL
Efficacy
Aug 2021 ORIGINAL Priority
New Drug · Type 1 - New Molecular Entity

What NEXVIAZYME Treats

1 indications

NEXVIAZYME is approved for 1 conditions since its original approval in 2021. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Pompe Disease
Source: FDA Label

NEXVIAZYME Boxed Warning

SEVERE HYPERSENSITIVITY REACTIONS, INFUSION-ASSOCIATED REACTIONS, and RISK OF ACUTE CARDIORESPIRATORY FAILURE IN SUSCEPTIBLE PATIENTS WARNING: SEVERE HYPERSENSITIVITY REACTIONS, INFUSION-ASSOCIATED REACTIONS, and RISK OF ACUTE CARDIORESPIRATORY FAILURE IN SUSCEPTIBLE PATIENTS See full prescribing information for complete boxed warning. Hypersensitivity Reactions Including Anaphylaxis Appropriate medical monitoring and support measures, including cardiopulmonary resuscitation equipment, should be...

NEXVIAZYME Competitive Set

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Three rings of competition based on shared molecular targets and treated indications.

Direct competitors

1

Same target(s) AND same indication — head-to-head.

Indication competitors

3

Same indication, different mechanism — what else might this patient receive?

Unlock 1 more competitors across all three rings.
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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to NEXVIAZYME

3 of 4

FDA-approved drugs for similar conditions. Compare mechanisms and indications to understand treatment alternatives.

LUMIZYME
ALGLUCOSIDASE ALFA
1 shared
Sanofi
Shared indications:
Pompe Disease
MYOZYME
ALGLUCOSIDASE ALFA
1 shared
Sanofi
Shared indications:
Pompe Disease
OPFOLDA
MIGLUSTAT
1 shared
AMICUS THERAP US
Shared indications:
Pompe Disease
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Clinical Trial Registry

3 trials
Trial Sponsor ID Phase Status Title
NCT04910776 Baby-COMET EFC14462 U1111-1246-6645, 2024-513859-33 Ph 3 active not recruiting Clinical Study for Treatment-naïve IOPD Babies to Evaluate Efficacy and Safety of ERT With Avalglucosidase Alfa
NCT06666413 LPS18086 U1111-1295-2947 Ph 4 recruiting China Post-approval Commitment (PAC) Study of Avalglucosidase Alfa in Participants With IOPD
NCT02032524 NEO-EXT results posted LTS13769 U1111-1147-3439 Ph 2 completed Avalglucosidase Alfa Extension Study
🔬

Active Pipeline

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Ongoing clinical trials by development phase

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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.

NEXVIAZYME FDA Label Details

Indications & Usage

FDA Label (PDF)

NEXVIAZYME is indicated for the treatment of Pompe Disease.

⚠️ BOXED WARNING

WARNING: SEVERE HYPERSENSITIVITY REACTIONS, INFUSION-ASSOCIATED REACTIONS, and RISK OF ACUTE CARDIORESPIRATORY FAILURE IN SUSCEPTIBLE PATIENTS WARNING: SEVERE HYPERSENSITIVITY REACTIONS, INFUSION-ASSOCIATED REACTIONS, and RISK OF ACUTE CARDIORESPIRATORY FAILURE IN SUSCEPTIBLE PATIENTS See full presc...

Pro Intelligence Preview

Deep insights for NEXVIAZYME

Revenue Insights

  • Q4-2025: $224M
  • Historical trend analysis

Patent Timeline

  • Patent expiration dates
  • Generic/biosimilar risk

Trial Analysis

  • 3 total trials
  • Stage: Expansion

Competitive Landscape

  • 4 similar drugs
  • Same target/indication analysis
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Full approval history • All patents • Revenue trends • Competitor analysis

Data Sources

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

How We Calculate These Metrics

Trial Activity Stage

Measures the current development activity pattern based on trial phases, status, and trends. Important: This measures R&D activity, not commercial lifecycle.

Trial statuses: "Active" means recruiting or ongoing. "Completed" means reached planned endpoint. "Terminated" means stopped early—often due to safety, efficacy, or business reasons.

  • Growth: High proportion of early-phase trials (Phase 1/2), active development
  • Expansion: Significant Phase 3 activity, approaching or pursuing approvals
  • Mature: Substantial Phase 4 post-marketing studies
  • Stable: Mixed phase distribution, steady development
  • Declining: Low active trial ratio, reduced R&D investment