04:28 PM EDT, 09/27/2024 (MT Newswires) -- Prothena ( PRTA ) appointed Chad Swanson as chief development officer and said Chief Medical Officer Hideki Garren is leaving "to pursue an opportunity at a large pharmaceutical company."

Swanson joined as senior vice president and head of clinical development in January 2023, the company said Friday in a statement.

Prothena ( PRTA ) plans to initiate a search for a new chief medical officer.