FDA Advisory Committee January 13, 2003

2/5/03


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Table of Contents

FDA Advisory Committee January 13, 2003

Agalsidase beta: Proposed indication and dose

Order of topics

Fabry Disease

Overview of clinical trials

FB9702: Design

FB9702: Results

AGAL-002: Design

AGAL-002: Endpoints

AGAL-002: Conduct

AGAL-002: Demographics and baseline characteristics

AGAL-002: Results

AGAL-002: Results

AGAL-002: Results

AGAL-002: Results

AGAL-002: Results

AGAL-002: Results

AGAL-002: Conclusions

AGAL-005: Single arm, open-label treatment extension to AGAL-002

Open-label extension treatment: Results

Requests & responses to first review cycle

Requests & responses to first review cycle

Requests & responses to first review cycle

Extension trial histology: 6 months

Extension trial histology: 6 months

Extension trial histology: 18 months

Long-term skin histology-skin superficial capillary endothelium

Open-label extension: Additional results

Open-label extension: Safety results

Open-label extension: Conclusions

AGAL-007

Additional safety data

Summary of safety and efficacy

Accelerated Approval

Accelerated Approval

Accelerated Approval

Accelerated Approval

Verification trial AGAL-008

Proposal for conversion of verification trial

Historical control data collection

Historical control: “Qualified” data set

Historical control: “Qualified” data set

Historical control: Failure to “qualify”

Historical control: demographics and characteristics

Characteristics of “qualified” dataset

Historical creatinine data: Examples

Historical creatinine data: Examples (continued)

Historical creatinine data: Examples (continued)

Historical creatinine data: Examples (continued)

Historical dataset

Historical Dataset

Issues in use of historical control

Comparability of historical to trial population

Comparability of patient-external factors

Accuracy of historical control analytic method

Robustness of historical data

Prior historical data analytical method

Assessment of prior proposed method

Assessment of prior proposed method

Issues in use of historical control

Prior historical analysis: Conclusions

New proposed analysis of historical data

Issues: New proposed analytical method

Author: MKW