Centre Hospitalier De L'université De Montréal (chum)

This study looks at people who had a major stroke caused by a big clot in a large brain artery. After doctors remove that main clot, some patients still have smaller clots in deeper branches. The trial will randomly assign these patients to either have those small clots removed t…

This pilot study looks at whether it is safe and feasible to skip surgery in patients with stage II-III non-small cell lung cancer who have a complete response to chemotherapy and immunotherapy. Fourteen participants will be randomly assigned to either observation or standard sur…

This study tests a new way to give radiation therapy for several pelvic cancers (prostate, endometrial, cervical, and rectal). The approach uses daily scans to adjust the radiation beam to the exact shape of the tumor, allowing for fewer but stronger treatments. The goal is to se…

This study tests whether adding a precise, one-time radiation dose to standard radioactive therapy can reduce bone problems (like fractures) in men with advanced prostate cancer that no longer responds to hormone therapy. About 120 men will be randomly assigned to receive either …

This study will test a mobile app designed to help adult cannabis users in Quebec adopt safer behaviors and reduce potential harms. Researchers will enroll 110 participants who use cannabis for non-medical reasons. The app provides strategies to promote responsible use, and the s…

This study compares two surgical techniques for treating pain after a finger amputation: reconnecting the nerve or cutting it and letting it retract. Researchers will follow 50 adults for 6 months, measuring pain and hand function. The goal is to find which method leads to less p…

This study compares two surgical techniques for trigger finger, a condition where a finger gets stuck in a bent position. The standard method (longitudinal opening) has a 7.7% recurrence rate, while the newer method (complete pulley removal) may lower that rate. About 236 adults …

This study looks at whether inhaling very low doses of CBD (5 to 100 mg) produces a pleasant effect in healthy adults who use cannabis occasionally. Researchers want to see if current tools can detect these subtle effects. About 80 participants will try different CBD doses and a …