Website Feature: “Before You Go” Visitor Verification Study (VVS) on Keytruda’s Website Apr 2, 2018Mar 21, 2018 Brand: Keytruda (pembrolizumab), Injection Parent Company: Merck Drug Type: Prescription Drug Category: Oncology Campaign: Post-Launch Targeting: Patients, Caregivers Patient Website: https://www.keytruda.com/ HCP Website: https://www.keytruda.com/hcp/ Invite Question 1 Question 2 Question 3 Question 4