This clinical trial is focused on studying the effects of a treatment called RP1, also known as Vusolimogene oderparepvec, on patients with solid tumors. Solid tumors are abnormal masses of tissue that usually do not contain cysts or liquid areas. The study will explore the use of RP1 both as a standalone treatment and in combination with another medication called Nivolumab, which is also known by the brand name Opdivo. Nivolumab is a type of drug that helps the immune system fight cancer by blocking a protein called PD1, which can stop the immune system from attacking cancer cells.
The purpose of this study is to determine the safety and effectiveness of RP1, both alone and when used with Nivolumab, in treating solid tumors. The study will be conducted in two phases. In the first phase, researchers will determine the best dose of RP1 and assess its safety. In the second phase, the focus will be on evaluating how well RP1 works in combination with Nivolumab, especially in patients whose cancer has not responded to previous treatments. Participants will receive RP1 through injections directly into the tumor, and Nivolumab will be given as an infusion, which is a method of delivering medication directly into the bloodstream over a period of time.
Throughout the study, participants will be monitored for any side effects and changes in their tumors. The study aims to provide valuable information on the potential benefits of using RP1 and Nivolumab together for treating solid tumors, including those that have not responded to other treatments. The trial is expected to continue until 2027, allowing researchers to gather comprehensive data on the treatment’s safety and effectiveness.



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