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NCT07559864
Gastrointestinal stromal tumors (GISTs) are mostly driven by c-kit or PDGFRA mutations, and commonly occur in the stomach and small intestine. Targeted therapy is the mainstay for advanced metastatic GISTs, but there is a lack of effective regimens after drug resistance. Immune checkpoint inhibitors (ICIs) have limited efficacy as monotherapy, while tyrosine kinase inhibitor (TKI) drugs such as regorafenib can improve the immune microenvironment and exert a synergistic effect when combined with ICIs, with more significant efficacy especially in cases with kit exon 17 mutations. This study aims to explore the effectiveness of regorafenib combined with envafolimab in metastatic gastrointestinal stromal tumors with kit exon 17 mutations that have failed standard treatment.
NCT07379047
NB003-04 is a phase II/III, multicenter, open-label clinical study designed to evaluate the efficacy, safety, and pharmacokinetic (PK) profile of NB003 in patients with gastrointestinal stromal tumors aged 18 years and above (or the legal adult age of consent per local regulations, whichever is older). Participants who are eligible for this study are those who have experienced disease progression or documented intolerance following treatment with either imatinib and sunitinib or following treatment with imatinib. This study consists of two parts. Part 1 (hereinafter referred to as Part 1) compares the efficacy of NB003 versus regorafenib in patients who need a third-line therapy for GIST who have failed sequential therapy with imatinib and sunitinib. Part 2 (hereinafter referred to as Part 2) evaluates the efficacy of NB003 in patients who need a second-line therapy for GIST who have failed treatment with imatinib.
NCT06926374
Robotic assisted surgery has been performed for more than two decades with good success and safety profile. However, there was only one dominating robotic surgical system available in the past which led to high cost for robotic surgery. Recently, a new robotic surgical system (Sentire Robotic Surgical System) was introduced by researchers of The Chinese University of Hong Kong (CUHK). This new robotic surgical system aims to achieve similar outcomes and standards of robotic surgery performed using the dominating system but with a significantly lower cost. The technologic innovation and development of this new robotic system is made by the Cornerstone Robotics Limited, which is based in Hong Kong. In a pilot clinical study conducted at Prince of Wales Hospital involving 55 patients, the Sentire Robotic Surgical System had demonstrated high success rate with minimal complications in patients who underwent robotic colorectal, upper gastrointestinal, and urologic surgery. Researchers of CUHK would therefore like to conduct another prospective study to further evaluate the efficacy and safety of Sentire Surgical System C1000 in major gastrointestinal and urologic surgery with expanded indications. It is believed that the results of this study will provide data to support its use for wide range of procedures with minimal access trauma, for the benefit of patients. This system will also lead to a wider range of clinical application for minimally invasive surgery with a cost-effective model.
NCT04530981
Evaluate the Effect of Ripretinib on the Pharmacokinetics of a CYP2C8 Substrate