There are about 28871 clinical studies being (or have been) conducted in Canada. The country of the clinical trial is determined by the location of where the clinical research is being studied. Most studies are often held in multiple locations & countries.
This study is an open-label with a randomized, cross-over design using standard GI methodology.
Nowadays, lung isolation techniques are an essential part of thoracic anesthesia. The two principal devices used in order to achieve one-lung ventilation (OLV) are the double lumen tube (DLT) and the bronchial blocker (BB). Even though DLT and BB have always been considered equally effective in lung isolation, a study recently published by Bussières et al. demonstrated the clear superiority of BB over DLT in terms of rapidity and quality of lung collapse. In order to explain this result, a physiologic study was recently conducted. During this project, some interesting discoveries were made. In fact, during lung isolation, while the chest is closed, there is a buildup of negative pressure in the NVL until pleural opening. Moreover, an absorption of ambient air through the lumen of the DLT or through the internal channel of the BB is observed. Putting all these elements together, a possible explanation for the superiority of BB over DLT was obtained. Indeed, in the first study of Bussières, the internal channel of BB was occluded. By doing so, there were no possible aspiration of ambient air in the NVL. This condition may have accelerated the absorption atelectasis of the NVL that occurs during lung collapse by reducing NVL volume and by conserving a higher alveolar partial pressure of oxygen in it. The hypothesis is that when using a DLT in OLV, occluding the non-ventilated lung (NVL) lumen will reproduce the BB physiology by accelerating the second phase of lung deflation and giving a better quality of lung collapse compared to usual practice of keeping the non-ventilated lung opened to ambient air. The main objective is to compare the speed and quality of complete lung deflation occurring during OLV with a DLT when the non-ventilated DLT lumen is occluded vs not occluded. This randomized study will include a total of 30 patients scheduled for lung resection using video-assisted thoracoscopic surgery (VATS). Fifteen patients will compose the experimental group (NVL lumen occluded) and 15 other patients will be part of the control group (NVL lumen opened to ambient air).
The objective of this prospective, single-blind clinical investigation is to demonstrate the superiority of an Optical Coherence Tomography (OCT)-guided stent implantation strategy as compared to an angiography-guided stent implantation strategy in achieving larger post-PCI lumen dimensions and improving clinical cardiovascular outcomes in patients with high-risk clinical characteristics and/or with high-risk angiographic lesions.
This study's overall goal is to investigate methods to improve the acceptability of pulse containing foods that provide a health benefit to consumers. The health benefits we are testing are post-prandial blood glucose attenuation and appetite related sensations in healthy human volunteers.
This is a Phase 1, Multicenter, Open-Label, Parallel Group Adaptive Pharmacokinetic Single Dose Study of ISIS 681257 Subcutaneous Injections in Male And Female Subjects with Normal and Impaired Renal Function
Purpose of Pilot Trial To determine the feasibility of conducting a multicentre randomized open label controlled trial evaluating the use of prophylactic dose rivaroxaban to prevent central venous catheter (CVC) associated venous thromboembolism(VTE) among cancer patients. Hypothesis: treatment with low dose rivaroxaban (10mg) will reduce the incidence of upper extremity venous thrombosis in a high risk population with cancer and CVC. Design: This is a pilot interventional study to be conducted at 3 Canadian Centres. The Ottawa Hospital, QEII Health Science Centre and University of Alberta Hospital. It is an open label randomized controlled trial. Consenting participants, meeting eligibility criteria will be randomized at the time of enrollment to one of two groups. Rivaroxaban 10mg po daily x 90 (+/- 3 ) days OR Standard of Care Participants in the treatment arm will have study drug dispensed at Day 1 and take medication for 90 days. Follow up visits (in person or phone) will occur at Day 30 (+/- 3 days) and Day 90 (+/- 3 days) month and 3 months post enrollment. Overall, participants will be followed for 3 months. Adverse events will be collected for the first 90 days. Outcomes The primary feasibility outcome for the pilot study is the number of participants recruited per centre per month. We will obtain baseline details of the patient's type, location and treatment of cancer, comorbidities and medications. Secondary feasibility outcomes of the pilot study will include, consent rates, loss to follow up, adherence to therapy defining 80% or greater medication taken as having good adherence to study drug, proportion of screened patients who meet eligibility criteria.
Foot self-management is important in preventing diabetic foot ulcers. However, even when individuals care for their feet, the signs of inflammation are often missed. A tool that will identify inflammation, a sign of initial tissue damage, may be needed. Previous research has shown that foot temperature self-monitoring reduced ulcer incidence by providing a warning sign of inflammation. However, these studies used an expensive medical thermometer. The objectives for this mixed-methods study are: (1) to determine if a foot health intervention that utilizes an inexpensive commercially-available infrared thermometer (CAIT) improves foot outcomes for individuals with diabetes; (2) to identify factors impacting foot self-management; (3) and to explore the participants', family and support persons', and healthcare providers' experiences with foot self-management and the intervention. This study will have three phases: Phase 1, patients, family and support person, and healthcare providers will share their insights regarding foot self-management to inform the intervention; Phase 2, a six-month RCT will assess the effectiveness of a CAIT; Phase 3, interviews will be conducted with participants, family and support persons, and health providers to explore their experiences with the intervention.
This study aims to determine the requirement for leucine, an essential amino acid, in adults over the age of 60 years. It is known that protein and amino acid metabolism may be altered with age and leucine, in particular, may be important in the diet of older adults. Eight different levels of leucine intake will be tested in each subject in random order. Each level of leucine intake will involve a 3-day maintenance diet, with measures being collected on the third.
This study is a multicentre, international, randomized controlled trial of tranexamic acid (TXA) versus placebo and, using a partial factorial design, of a perioperative hypotension-avoidance versus hypertension-avoidance strategy.
The study will assess how the inhalation technique used (deep inhalations versus tidal breathing) influences the results of a mannitol challenge test and a methacholine challenge test, if at all.