The article examines studies related to early clinical trials in cervical cancer. Topics discussed include background of study on the efficacy and safety of nivolumab in Japanese patients with uterine cervical cancer, uterine corpus cancer, or soft tissue sarcoma, and information on randomized controlled phase II trial on the efficacy and safety of Tipapkinogen Sovacivec therapeutic HPV vaccine in cervical intraepithelial neoplasia grades 2 and 3.