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Data updated: Jun 28, 2026

Maci (autologous cultured chondrocytes on porcine collagen membrane) · Vericel Corporation

Approved 2016-12-12

MACI (autologous cultured chondrocytes on porcine collagen membrane) is an autologous cellularized scaffold product indicated for the repair of single or multiple symptomatic, full-thickness cartilage defects of the knee with or without bone involvement in adults. Limitations of Use Effectiveness of MACI in joints other than the knee has not been established. Safety and effectiveness of MACI in patients over the age of 55 years have not been established.

Source: FDA Label
BLA
Biologic
1
Indication
--
Phase 3 Trials
9
Years on Market

Details

Status
Prescription
First Approved
2016-12-12
Routes
Implantation
Dosage Forms
Cell Sheets

Maci Approval History

2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
1 FDA actions from 2016 to 2016
Dec 2016 ORIGINAL
Update · CBER biologic (Purple Book)

What Maci Treats

1 FDA approvals

Originally approved for its first indication in 2016 .

  • Other (1)
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Clinical Trial Registry

3 trials
Trial Sponsor ID Phase Status Title
NCT06915233 MASCOT 55-2410-01 Ph 3 recruiting A Study of MACI in Patients Aged 17 to 65 Years With Symptomatic Chondral or Osteochondral Defects of the Ankle
NCT03588975 PEAK 55-1702-1 Ph 3 recruiting A Study of MACI in Patients Aged 10 to 17 Years With Symptomatic Chondral or Osteochondral Defects of the Knee
NCT00719576 SUMMIT results posted MACI00206 2006-004817-16 Ph 3 completed Superiority of MACI® Versus Microfracture Treatment in Patients With Symptomatic Articular Cartilage Defects in the Knee
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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.

Maci FDA Label Details

Indications & Usage

MACI ® (autologous cultured chondrocytes on porcine collagen membrane) is an autologous cellularized scaffold product indicated for the repair of single or multiple symptomatic, full-thickness cartilage defects of the knee with or without bone involvement in adults. Limitations of Use Effectiveness of MACI in joints other than the knee has not been established. Safety and effectiveness of MACI in patients over the age of 55 years have not been established. MACI ® is an autologous cellularized scaffold product indicated for the repair of symptomatic, single or multiple full-thickness cartilage ...

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Data Sources

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