{"nct_id":"NCT02581410","title":"Immunogenicity and Safety Study of GlaxoSmithKline (GSK) Biologicals' Herpes Zoster Subunit (HZ/su) Vaccine (GSK1437173A) in Adults ≥ 65 Years of Age With and Without Zostavax® Vaccination at Least 5 Years Earlier","status":"COMPLETED","status_verified_date":"2018-07","start_date":"2015-12-15","start_date_type":"ACTUAL","primary_completion_date":"2016-08-30","primary_completion_date_type":"ACTUAL","completion_date":"2017-08-01","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GSK"]}