{"nct_id":"NCT04091451","title":"Safety and Immunogenicity Study of GlaxoSmithKline's Herpes Zoster Subunit Vaccine (HZ/su) When Given on a Two-dose Schedule to Adults at Least 50 Years of Age (YOA) With a Prior Episode of Herpes Zoster","status":"COMPLETED","status_verified_date":"2025-03","start_date":"2019-09-17","start_date_type":"ACTUAL","primary_completion_date":"2024-02-15","primary_completion_date_type":"ACTUAL","completion_date":"2024-02-15","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GSK"]}