Intraperitoneal SK-NK Cell Injection for Advanced Ovarian Cancer With Massive Ascites

This is a single-center, open-label, Phase I/II clinical study designed to evaluate the safety, tolerability, and preliminary efficacy of SK-NK Cell Injection administered via intraperitoneal (IP) perfusion in patients with advanced ovarian cancer complicated by massive ascites . The study focuses on patients who have failed standard therapies and are suffering from severe ascites. The treatment involves the direct infusion of allogeneic, highly activated Natural Killer (NK) cells (SK-NK) into the abdominal cavity . The study consists of two phases: Phase I (Dose Escalation): To determine the safety profile and the Recommended Phase 2 Dose (RP2D) using a "3+3" design with three increasing dose levels. Phase II (Dose Expansion): To further evaluate the efficacy of the treatment in controlling ascites and suppressing tumor growth at the determined RP2D. Participants will receive the study treatment once weekly for 4 weeks.

NCT Number	NCT07435701
Lead Sponsor	Cancer Institute and Hospital, Chinese Academy of Medical Sciences Collaborators: Cells First Biotechnology (Beijing) Co., Ltd
Conditions	Ovarian Neoplasms Malignant, Ascites
Enrollment	29 participants
Start Date	2026-01-05
Primary Completion	2026-01-23 (estimated)
Study Completion	2026-12-31 (estimated)
Updated on ClinicalTrials.gov	2026-03-17