TheraRadar
Data updated: May 26, 2026

XENPOZYME (olipudase alfa-rpcp)

Trial Activity: Declining
First-in-Class Orphan Drug Breakthrough Therapy Priority Review Fast Track
Rare Disease Approved 2022-08-31

XENPOZYME is indicated for the treatment of Acid Sphingomyelinase Deficiency.

Source: FDA Label • Sanofi

How XENPOZYME Works

ASMD is caused by a deficiency in the acid sphingomyelinase (ASM) enzyme, which is responsible for degrading sphingomyelin into ceramide and phosphocholine. This deficiency leads to an intra-lysosomal accumulation of sphingomyelin and other lipids in various body tissues. XENPOZYME provides an exogenous source of ASM to replace the deficient natural enzyme and facilitate lipid degradation. The medication is not expected to cross the blood-brain barrier or impact the central nervous system manifestations of the disease.

Development Insights

Genzyme, a Sanofi Company conducting 2 trials (67%)
2 indications explored (Focused)
sphingomyelin lipidosis (2 trials)
acid sphingomyelinase deficiency (1 trials)
1
Indication
--
Phase 3 Trials
1
Priority Reviews
3
Years on Market

Details

Status
Prescription
First Approved
2022-08-31
Patent Cliff
2029
Revenue
$67M (Q4-2025)

Pro Metrics

Patent cliff and revenue data

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Routes
INJECTION
Dosage Forms
INJECTABLE

Companies

Active Ingredient: OLIPUDASE ALFA-RPCP

XENPOZYME Approval History

2023
2024
2025
2026
Original
New Indication
New Form
Label Update
3 FDA actions from 2022 to 2024
Dec 2024 SUPPL
Label · Labeling
Dec 2023 SUPPL
Label · Labeling
Aug 2022 ORIGINAL Priority
New Drug · Type 1 - New Molecular Entity

What XENPOZYME Treats

1 indications

XENPOZYME is approved for 1 conditions since its original approval in 2022. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Acid Sphingomyelinase Deficiency
Source: FDA Label

XENPOZYME Boxed Warning

HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS Patients treated with XENPOZYME have experienced life-threatening hypersensitivity reactions, including anaphylaxis. Appropriate medical monitoring and support measures, including cardiopulmonary resuscitation equipment, should be readily available during XENPOZYME administration. If a severe hypersensitivity reaction (e.g., anaphylaxis) occurs, discontinue XENPOZYME immediately and initiate appropriate medical treatment. In patients with severe h...

XENPOZYME Competitive Set

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

Indication competitors

3

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

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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.

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Clinical Trial Registry

3 trials
Trial Sponsor ID Phase Status Title
NCT06949358 results posted PTA17397 2024-515304-39, 2021-004109-39 Ph 2 completed A Study to Evaluate Safety and Tolerability of Olipudase Alfa in Pediatric and Adult Participants With Acid Sphingomyelinase Deficiency (ASMD) Who Completed the DFI12712 or the LTS13632 Study in France
NCT02004691 ASCEND results posted DFI12712 U1111-1142-5963, DFI12712 Ph 2, Ph 3 completed Efficacy, Safety, Pharmacodynamic, and Pharmacokinetics Study of Olipudase Alfa in Patients With Acid Sphingomyelinase Deficiency
NCT02292654 ASCEND-Peds results posted DFI13803 U1111-1160-6469 Ph 1, Ph 2 completed Safety, Tolerability, PK, and Efficacy Evaluation of Repeat Ascending Doses of Olipudase Alfa in Pediatric Patients <18 Years of Age With Acid Sphingomyelinase Deficiency
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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.

XENPOZYME FDA Label Details

Indications & Usage

FDA Label (PDF)

XENPOZYME is indicated for the treatment of Acid Sphingomyelinase Deficiency.

⚠️ BOXED WARNING

WARNING: HYPERSENSITIVITY REACTIONS INCLUDING ANAPHYLAXIS Patients treated with XENPOZYME have experienced life-threatening hypersensitivity reactions, including anaphylaxis. Appropriate medical monitoring and support measures, including cardiopulmonary resuscitation equipment, should be readily ava...

Pro Intelligence Preview

Deep insights for XENPOZYME

Revenue Insights

  • Q4-2025: $67M
  • Historical trend analysis

Patent Timeline

  • Cliff: 2029
  • Generic/biosimilar risk

Trial Analysis

  • 3 total trials
  • Stage: Declining

Competitive Landscape

  • Competitor tracking
  • 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