This 2-part study will evaluate the safety and efficacy of pembrolizumab (MK-3475) compared to placebo in participants with surgically resected high-risk Stage II melanoma. Participants in Part 1 will receive either pembrolizumab or placebo in a double-blind design for up to 17 cycles. Participants who receive placebo or who stop treatment after receiving 17 cycles of pembrolizumab in Part 1, do not experience disease recurrence within 6 months of completing pembrolizumab in Part 1, and do not stop treatment with pembrolizumab for disease recurrence or intolerability, may be eligible to receive up to 35 additional cycles of pembrolizumab in Part 2 in an open-label design. The primary hypothesis of this study is that pembrolizumab increases recurrence-free survival (RFS) compared to placebo.
** For Eligibility information, please click on the "Look up trial at NIH" link above **
Other eligibility criteria may apply.
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Talk to your health care providers first before making decisions about your health care.
Whether you are eligible for a research study depends on many things. There are specific requirements to be in research studies. These requirements are different for each study.
If you are considering taking part in a clinical trial, talk with your SCCA team about the pros and cons. Discuss what you learn with your health care providers, family and trusted friends. See also the Patient Guide to Clinical Trials.