All Clinical Trials in Canada

In a recent analysis of a large transfusion database (Transfusion Research Utilization, Surveillance and Tracking database \[TRUST\]), the investigators found that the transfusion of ABO non-identical RBCs to group A individual was associated with an increased risk of death in-hospital compared to patients transfused with ABO identical RBCs (Red Blood Cells). Our finding was corroborated in a separate study of low birth weight neonates who received only group O RBCs (e.g., group O neonates received ABO identical RBCs but group A, B, and AB neonates received ABO non-identical RBCs). A subgroup of neonates who received ABO non-identical transfusions had higher mortality (Z. Sohl, personal communication, April 30th, 2020). Similar adverse clinical outcomes have been reported in a number of studies where patients have received ABO non-identical RBCs and/or platelets. Together, these findings raise the concern that the longstanding policy of transfusing group O non-identical RBCs and platelets may increase the risk of harm for some patients. In Hamilton, Ontario hospitals, approximately 20% of transfused patients receive ABO non-identical RBCs every year because of inventory shortages, urgent requests, and specific phenotype requirements. The negative impact of this practice could have widespread national and international implications for transfusion policy. The ability to undertake critical exploratory analyses in transfusion medicine is enabled by large research and administrative data sets that include all Hamilton hospitals. The initial finding of potential harm with ABO non-identical RBCs is hypothesis-generating and requires confirmation through external datasets and translational studies to support a biological mechanism. If confirmed, this hypothesis can then be tested in a clinical trial. Read Less

One in 10 people have a seizure during their life. Usually no cause is identified. Seizures without an identified cause are called unprovoked first seizure (UFS). Most people with UFS do not have further seizures. Being able to predict the risk of more seizures as soon as possible would help doctors decide whether to suggest treatment after UFS. Studies show that seizures are associated with changes in brain structure and function that are difficult to detect with standard assessments but can be detected with advanced techniques. Changes in connections between brain regions are also linked to subtle problems in thinking and mood. The investigators will examine brain connections using detailed brain scans, thinking, and mood in people with UFS and develop an accurate method for calculating the risk of further seizures. 200 adult patients and 75 matched healthy controls from the Halifax and Kingston First Seizure Clinics will undergo cognitive screening assessment of major cognitive domains, MRI imaging including structural scans, resting-state functional MRI (rsfMRI) and diffusion-weighted imaging (DWI), and EEG. Seizure recurrence will be assessed prospectively and a multimodal machine learning model will be trained to predict seizure recurrence at 12 months. Read Less

Radiation therapy (RT) is a key component in the treatment of breast and prostate cancer. However, patients may experience significant side effects. Patients can accurately self-report side effects from RT and these patient-reported outcomes (PROs) can direct communication between patient and healthcare provider (HCP), and facilitate joint decision making. Patients state that using mobile phone applications (apps) to collect PROs (mPROs) is easily incorporated into their daily routines, allowing them to engage at a time and pace that suits them. When mPRO collection is combined with remote symptom monitoring by HCPs, these systems result in improvements in symptom control and quality of life. Currently, patients receiving RT are seen by a Radiation Oncologist once per week during RT and once every few months after RT has finished. Recent evaluations indicate that patients and physicians consider the number of visits to be too frequent during RT, and too infrequent immediately after RT. This research will use weekly mPROs (remotely monitored by RT HCP) to determine if a patient needs (or wants) to be seen by a RT HCP during and/or immediately after RT. Using mPROs to optimize RT patient assessment processes will ensure patients are seen if and when required. For a patient, this could result in reduced time and costs at the hospital. For the physician, resources could be re-allocated to improve access to RT services. Using mPROs after RT has the potential for earlier treatment of side effects, which has been linked to improved survival and quality of life. Read Less

EASThigh-AFNET 11 is an international, prospective, randomized, open, blinded endpoint assessment, multicenter trial (Treatment Strategy trial). The objective of EASThigh-AFNET 11 is to investigate whether early atrial fibrillation ablation in patients with atrial fibrillation (AF) and a high comorbidity burden (CHA2DS2-VASc ≥4) reduces cardiovascular events (stroke, cardiovascular death, or heart failure events) compared to usual care. Read Less

Skeletal muscle plays a critical role in supporting human health. Beyond its role in providing the force to move, skeletal muscle accounts for a large proportion of metabolic rate, glucose disposal, and amino acid storage. Skeletal muscle is dynamically regulated by environmental stimuli, such as loading (i.e., resistance training\]) and unloading (i.e., disuse atrophy) as well as the intake of essential amino acids (EAAs). However, the precise mechanisms that regulate skeletal muscle mass in response to various conditions (e.g., EAA supplementation, resistance training, and unloading) are not completely understood. Therefore, concerted efforts to better understand the mechanisms regulating skeletal muscle size are needed that aid in the development of therapeutic interventions to combat age, disease, and disuse related muscular atrophy. Read Less

We propose a multicenter prospective study on pediatric patients with intestinal failure (IF) who weaned off parenteral nutrition (PN). Read Less

The goal of this clinical trial is to examine in a 2x2 factorial RCT what feature(s) of ultra-processed foods (UPFs) contribute to cardiometabolic risk in men and women. The project's hypotheses are : 1. that the nutrient composition of UPFs (high SFA, free sugar and sodium) per se has deleterious impacts on cardiometabolic risk factors; 2. that the industrial techniques and processes of UPFs per se do not. Participants will be randomly assigned to one of 4 groups consistent with the 2x2 factorial design of the study: 1- the nutrient composition of foods (low vs. high in SFA, free sugar and sodium) and 2- the degree of industrial techniques and food processing (little to no vs.important amounts of UPFs). All foods will be provided to participants under isocaloric conditions during the 6-week dietary intervention. Participants will have to consume one of the 4 experimental diets for 6 weeks. Read Less

The framework for Pediatric Integrated Nutrition Pathway for Acute Care (P-INPAC) was developed by the Canadian Malnutrition Task Force (CMTF); however, it has not been implemented in a research setting. The framework by CMTF for Integrated Nutrition Pathway for Acute Care (INPAC) in adults was also implemented in the "More-2-Eat" project which led to development of best practices in nutritional culture of the hospitals. Therefore, we intend to undertake this feasibility project at 3-sites to train staff and evaluate the implementation of P-INPAC components as part of routine healthcare procedure. Read Less

This study is an international, single arm, multicenter, prospective, non-significant risk, Post-Market Clinical Follow-up study, which is designed to collect safety and performance data at baseline, surgery, immediate post-op and annually through 10 years post-operation. Data collected from this study will be used for purposes, including but not limited to, Post-Market Surveillance, peer-reviewed publications, education materials, regulatory submissions, and/or product development. Read Less

The specimen collection is designed for the purpose of the development of a noninvasive prenatal test for T21. Read Less

Despite substance use causing significant harms and cost to our health care system, British Columbia's (BC) current addiction treatment system remains under-resourced and fragmented. To address this, Providence Health Care (PHC) is expanding clinical addiction services as part of the Road to Recovery Initiative (R2R). The proposed study aims to generate novel data to promote fully evidence-informed and coordinated substance use care in BC and beyond. This study will explore substance use treatment trajectories, identify challenges and areas for growth in addiction health services, characterize important features of patients accessing care, and improve our provincial capacity to promptly tailor approaches to care in response to the substance use crisis. Read Less

The prevalence of major neurocognitive disorders (MNCDs), particularly Alzheimer's disease, among older adults is increasing. These individuals and their caregivers often face challenges due to inefficient and poorly coordinated care transitions, negatively impacting patients, caregivers, healthcare professionals, and the healthcare system itself. To address this, the Quebec Ministry of Health and Social Services has released Phase 3 of its Ministerial Guidance on Major Neurocognitive Disorders, aiming to enhance care coordination between primary healthcare professionals and those living with MNCDs and their caregivers. Quebec's healthcare system comprises various organizations providing care and services to individuals with MNCDs. Each organization faces unique challenges hindering improvement initiatives. However, common obstacles persist: inadequate communication systems for sharing vital information, lack of access to data for measuring care transition quality, and the absence of patient/caregiver satisfaction assessments to inform service enhancements. Additionally, organizations require support in managing change. This need for improvement, coupled with the aspiration for a patient-centered learning health system (LHS), motivated the Institut national d'excellence en santé et services sociaux (INESSS), the Centre intégré de santé et de services sociaux de Chaudière-Appalaches (CISSS CA), and the research team to collaborate on adapting a proven continuous improvement program: the CoMPAS+ MNCD Program. The Program will involve reflecting on best practices and identifying local challenges within participating Family Medicine Groups (FMGs) to propose and implement solutions. The CONSTELLATIONS Living Lab project has been tasked with co-developing, implementing, and evaluating the Program's impact on care transitions over two years. These findings will inform decision-makers and stakeholders about the Program's adaptability to the Chaudière-Appalaches region, guiding local and provincial decision-makers on healthcare system improvements and emphasizing the importance of supporting an LHS. Read Less