Data sharing
Sharing data
with researchers
with researchers
Learn how we share deidentified data and documents from completed clinical trials with qualified scientific researchers, and review our data sharing metrics.
Sharing data
We share deidentified data and documents from completed clinical trials with qualified scientific researchers. For information on the process for submitting a scientific or medical research proposal that includes a request for access to data from Biogen-sponsored clinical research, please visit Vivli.
For general inquiries, please contact Data Sharing Team.
Data sharing metrics
The summary below represents the research proposals we have received since the effective date (January 1, 2014) of the PhRMA/EFPIA Data Sharing Principles.
100
Total number of requests as of June 2025
Approved
84
Data requests approved
In Progress
2
Data requests in progress
Withdrawn
5
Data withdrawn by researchers
Denied
9
Data requests denied
Note: The above information was last updated on 26 June 2025.