Efficacy and Safety of Etonogestrel + 17β-Estradiol Vaginal Ring in Women at Risk for Pregnancy (MK-8342B-061)

A Preliminary Study of the Efficacy and Safety of MK-8521 for Type 2 Diabetes (MK-8521-004)

Myelofibrosis and Essential Thrombocythemia Observational Study (MOST)

MK-8835/PF-04971729 vs. Glimepiride in Type 2 Diabetes Mellitus (T2DM) Participants on Metformin (MK-8835-002)

A Study to Evaluate the Safety and Efficacy of Inactivated Varicella-zoster Vaccine (VZV) as a Preventative Treatment for Herpes Zoster (HZ) and HZ-related Complications in Adult Participants With Solid Tumor or Hematologic Malignancy (V212-011)

A Study of the Efficacy and Safety of Ertugliflozin in Participants With Type 2 Diabetes Mellitus With Stage 3 Chronic Kidney Disease Who Have Inadequate Glycemic Control on Antihyperglycemic Therapy (MK-8835-001)

Vaccination Response in Tecfidera-Treated Versus Interferon-Treated Participants With Relapsing Forms of Multiple Sclerosis.