All Clinical Trials in Canada

In the clinical scenario of recurrent prostate cancer (PCa) post local therapy, current standard studies (bone scan and computed tomography) commonly fail to identify the recurrent disease location. In this study the investigator aims to prospectively map recurrent disease with the unique combination of whole-body MR anatomical imaging combined with a new high-sensitivity and PCa-specific PET probe (PSMA-targeted: \[18F\]DCFPyL) to provide precise localization information to target disseminated tumor deposits in men presenting with rising PSA after prostatectomy and radiotherapy (maximal local therapies). Moreover, we will consequently treat all identified disease with image-guided stereotactic ablative radiotherapy (SABR), which has shown tantalizing results achieving excellent tumor eradication rates with minimal toxicities. This study is uniquely positioned to enable the discovery of new biomarkers and the correlation of prognostic tests (e.g. genomic signatures) from the initial prostatectomy specimen with the PET-MR/CT imaging results and curative-intent treatment outcomes. The significance of the proposed work towards a measurable impact in PCa care is important to emphasize. The study team believes this novel curative-intent approach will transform lives, as opposed to therapies that transiently impact incurable disease stages. Herein, the focus is on patients at the earliest point of the disease spectrum of recurrent PCa after curative-intent treatments. Our hypothesis is that PSMA-targeted \[18F\]DCFPyL PET-MR/CT allows earlier detection and localization of defined metastatic targets in these patients, at a stage amenable to image-guided curative-intent therapy. Read Less

This is a dual arm, single centre, investigator initiated study to investigate the use of FAZA-PET in combination with MRI. FAZA is an investigational radiotracer used in PET scans. FAZA PET/MRI will be used to measure hypoxia in sarcoma tissues and will occur for: Arm A: before neo-adjuvant radiation/chemotherapy treatment; Arm B: before surgery (optional). After the FAZA PET/MRI scan, patients will be followed up via telephone, 48 hours after the scan, to see if there are any side effects due to FAZA. Up to 30 patients enrolled in Arm B will receive pimonidazole approximately 16-20 hours before surgery. Read Less

Systemic therapy is the main treatment for patients with metastatic cancers. Oligo-progression has become a recognized entity for metastatic cancer and it is thought that a subset of cancer cells may develop heterogeneity and resistant clones while receiving systemic therapy. This results in overall tumor response but progression in metastatic sites. Current standard is to change systemic therapies. With advancing technologies, stereotactic body radiation therapy is being used to deliver high doses of focused radiation to the disease site, while minimizing risk of injury to the surrounding organs. SBRT is increasingly being used in patients presenting oligo-metastatic disease, and is recognized as having a potential for cure. This study will investigate the use of SBRT for breast and genito-urinary cancer patients with oligo-progression. Patients will be seen before and at the end of treatment and will be followed at 4 month intervals for up to 2 years. During the visits participants will complete quality of life questionnaires and will have standard of care imaging. Patients will also have the option to provide blood at baseline, during treatment, and at various follow up time points for analysis of ctDNA Read Less

Living in poverty has a profound negative impact on parenting stress and children's health. When poverty occurs early in childhood and continues for a long time, the impact on child health can be lifelong. Child poverty is common, affecting about 20% of Canadian children. Many low income families may not be receiving all the social benefits for which they are eligible. There are calls for primary care providers to ask patients if they have difficulty making ends meet at the end of the month and to intervene if poverty is identified, but it is not known if intervening can improve parent's and children's health. This study will test whether a Community Support Worker who helps families with young children navigate the social service system by reviewing social needs (like food, housing or energy insecurity) and income supports can lead to increased family income, reduced parenting stress and an improvement in their child's health. The Community Support Worker will help families complete income tax, apply for benefits and community supports for which they are eligible. The investigators will also study the effect of this intervention on health care utilization. Our study will be conducted in Toronto and Kingston in primary care practices participating in the TARGet Kids! primary care research network. Results from this study will help health care providers and policy makers understand whether Community Support Workers are an effective way to integrate the health and social service systems to improve parent and child health. Read Less

This is a multi-center clinical study enrolling up to 86 participants. The primary objectives are to determine the objective response rate (ORR) established by the confirmed best overall response (BOR) following intratumoral administration of DaRT - Diffusing Alpha-Emitters Radiation Therapy, as well as to assess the Duration of Response (DOR) 6 months from initial response. Secondary objectives are to assess the safety of DaRT, and to assess the progression free survival (PFS), overall survival (OS), Overall Duration of Response (O-DOR), local control and quality of life (QOL) for patients treated with DaRT. Read Less

This is a single institutional registry-based, prospective, observational study to describe radiation oncologists' decision making during evaluation of patients and to compare real-world outcomes of SBRT vs CRT. A registry-based trial involves observing the effect of something without manipulating it. Read Less

This is a prospective, randomized phase II trial investigating if radiation treatment delivered every other day for 2 weeks has the same side effects as radiation treatment delivered once weekly for 6 weeks. Read Less

This is a multi arm, single center, investigator initiated study to investigate online adaptive radiotherapy and biomarker development in patients with newly diagnosed HNSCC (Head and Neck Squamous Cell Carcinoma) receiving curative therapy. The study will consist of two prospective arms. In Arm 1 up to 100 HNSCC patients receiving (CT)RT (computed tomography-based radiation therapy) will receive up to weekly non-contrast MRI (magnetic resonance imaging) scans during treatment. Arm 2 consists of two cohorts. In cohort A up to 20 healthy volunteers will undergo non-contrast MRI at two time points. In cohort B up to 53 patients planned to receive curative (chemo) radiotherapy for HNSCC will undergo two baseline MRI scans, one MRI in week 2 and week 4, and final MRI scan 6-8 weeks after completion of treatment. Read Less

Improved outcomes for high-grade gliomas (HGG) require advances in our ability to monitor changes to tumour biology using non-surgical approaches. "Liquid biopsy" is a term used to describe a technique whereby tumour DNA, which has been shed off and then circulates through the blood stream, is detected and analyzed. Our goal is to develop a new type of liquid biopsy that is suitable for primary brain tumours that uses a method that is highly sensitive and allows for ongoing analysis of these tumours. Read Less

The purpose of this open-label study is to assess the safety, tolerability, pharmacodynamics, and pharmacokinetics of WVE-006 in participants with alpha-1 antitrypsin deficiency (AATD) following Period 1 single ascending dose (SAD) and Period 2 multiple ascending doses (MAD), respectively. Read Less

Breast cancer predominates among cancer diagnoses in Canadian women. It accounts for around 25% of new cases and contributes to 13% of all cancer-related deaths. In 2020, almost 27,400 Canadian women were diagnosed with breast cancer and 5,000 of them died from it. Mammography is still the preferred method for screening for breast cancer. Although progress has been made over the years, mammography does have its drawbacks. These include physical discomfort for patients, exposure to X-rays and reduced effectiveness in dense breasts. The study team is therefore interested in developing a new breast cancer detection method, the BRAVE method. The BRAVE method, short for "BRA-based Visco-Elastography", uses the high contrast of elastic stiffness in malignant breast tumors to detect possible cancer cases without the need for X-rays or breast compression. The first phase, carried out on a small scale pilot study, aimed to assess the method's ability to distinguish a breast with no abnormalities from one with confirmed cancer. The second phase (current phase), carried out on a larger scale, aims to confirm the sensitivity and specificity of the method in detecting malignant lesions, i.e. to determine whether the method is capable of distinguishing between several types of breast masses. Read Less

This is an interventional, single-centre, single-arm, non-randomized, prospective, feasibility trial investigating salvage MR-guided High-Dose-Rate brachytherapy for prostate bed recurrence after postoperative radiotherapy. Read Less