In infectious lung consolidations, the inhibition of hypoxic pulmonary vasoconstriction (HPV) results in a higher regional acceleration time (RAcT) compared to the RAcT measured in atelectatic consolidations.

Carpal tunnel syndrome (CTS) is the most common nerve compression syndrome worldwide, causing significant chronic pain, functional impairment, and lowered quality of life for individuals of various backgrounds. CTS is caused by chronic compression of the median nerve in the carpal tunnel of the wrist, causing numbness and pain in the palm, thumb, index, and middle fingers and eventual weakness of the hand. Many different treatments for CTS have been proposed and studied, including but not limited to non-operative treatments such as wrist splinting, steroid injections, and lifestyle modifications as well as operative treatments, such as surgical carpal tunnel release (CTR). To date, very few oral medications have been shown to be effective as conservative treatments for CTS. In this study the investigators will examine whether there is any benefit to using oral N-acetylcysteine (NAC) as an adjunctive treatment for mild to moderate CTS in addition to a standard 8-week trial of night splinting. NAC has been used in humans for various purposes, is extremely safe and has very few side effects, and has been shown to have anti-inflammation properties which may help treat CTS. The investigators will study this by performing a randomized controlled trial, comparing patients receiving oral NAC and standard night splinting to patients receiving an identical placebo and standard night splinting. Both patient groups will be assessed using a questionnaire to assess for severity of their CTS symptoms both before and after the 8-week treatment. The primary objective will be to determine whether supplementation with oral NAC in addition to night splinting has any significant impact on patient-reported symptoms and functional impairment when compared to night splinting alone. The investigators will also measure secondary outcomes including whether patients decide to have surgery for their CTS after treatment and/or continued use of other treatments. This study has the potential to have a significant positive impact on patients by identifying a safe, inexpensive, accessible, and well tolerated conservative treatment for mild to moderate carpal tunnel syndrome, and potentially preventing the need for additional, more invasive treatments such as surgery.

This is a single-center, investigator-initiated, non-interventional study evaluating the role of the intestinal microbiome and autoimmune panels as a predictor for developing ≥ Grade 2 CTCAE v5.0 immune-related adverse event (irAE) and/or requiring systemic immunosuppression for irAEs in advanced solid tumor patients receiving immunooncology (IO) combinations at the Princess Margaret Cancer Centre. This is a minimal risk study involving the analysis of patient samples and does not involve therapeutic intervention. The study will involve a prospective cohort of up to 120 patients and it is anticipated that patient accrual will be completed within 18 months. Patients will receive IO combination as per their specific protocols from their other clinical trial or per their standard of care and samples will be collected at multiple time-points. No additional visits to the hospital will be needed for this study as safety assessments are already captured for all patients based on their participation in a clinical trial or per their standard of care.

Large (≥20mm) colorectal polyps often harbor areas of advanced neoplasia, making them immediate colorectal cancer (CRC) precursors. Such polyps have to be completely removed to prevent CRC and to avoid surgery and/or adjuvant therapy. The laterally spreading lesions (LSLs) are removed via endoscopic mucosal resection (EMR). However, recurrence is common. New techniques for LSL resection (hybrid argon plasma coagulation (h-APC) margin and base ablation) have shown a reduction in recurrence following the interventions. We hypothesize that performing hybrid argon plasma coagulation (h-APC) margin and base ablation during EMR of large (≥20mm) colorectal LSLs will lead to lower rates of lesion recurrence compared to Snare tip soft coagulation (STSC) margin ablation.

DALY II USA is a phase II, multi-center, single arm study to evaluate the efficacy, safety, and pharmacokinetics of zamtocabtagene autoleucel (MB-CART2019.1) in patients with relapsed and/or refractory diffuse large B cell lymphoma (DLBCL) after receiving at least two lines of therapy. Additional cohorts include subjects with B-cell primary or secondary central nervous system (CNS) lymphoma (PCNSL) and (SCNSL), mantle cell lymphoma (MCL) and Richter's transformation (RT) after receiving at least one line of therapy.

Two arm, pragmatic, randomized controlled multicenter Phase III noninferiority trial evaluating the efficacy of standard pain management without NSAIDs (Group 1) vs. standard pain management plus up to 6 weeks of NSAIDs (Group 2) in the treatment of tibial shaft fractures.

Scrotal, urologic surgery has traditionally been conducted in the hospital setting, typically with the use of sedation, spinal anesthesia or general anesthesia. There has been a recent push to move certain scrotal urologic surgeries out of the hospital operating room into a ambulatory, outpatient basis with recent literature demonstrating this in many centers. The use of local anesthesia alone poses numerous benefits. The investigators wish to compare patients who are undergoing invasive scrotal surgery under local anesthetic to those who additionally have a topical anesthetic cream (EMLA) applied to the scrotum to determine if this further increases patient tolerability of these procedures.

Lower urinary symptoms (LUTS) affect many older men and their frequency and severity increase with age. In the age group between 65 and 79 years the rate of men with moderate and severe LUTS is 20 - 25% (Hunter et al. 1994). The complaints are potentially associated with a considerable impairment of the quality of life (Trueman et al. 1999). LUTS in older men are commonly caused by a bladder outlet obstruction (BOO) secondary to benign prostatic enlargement (BPE). The histological term "benign prostatic hyperplasia" (BPH) is frequently used in literature and clinical practice as a synonym for this diagnosis. Surgical therapy of BPH has continuously evolved in recent years. One of the latest technologies for transurethral prostate desobstruction is the Aquablation therapy, first described in 2015 (AQUABEAM®, PROCEPT BioRobotics, Redwood Shores, CA, USA) (Faber et al 2015). The AQUABEAM Robotic System is the first and only image-guided, heat-free robotic therapy for the treatment of lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH). It is designed for cutting of prostate tissue during a minimally invasive surgical procedure. Once inserted via a transurethral approach and advanced through the urethra and into the prostatic urethra, the device applies an ultrasound-guided water jet that precisely ablates the prostate tissue. Aquablation therapy is unique in that it combines cystoscopic visualization, ultrasound imaging and advanced planning software to provide the surgeon with a multidimensional view of the treatment area. This enables personalized treatment planning for the patient's unique anatomy, improved decisionmaking and real-time monitoring during the procedure. This prospective single-arm investigational clinical trial aims at assessing the efficacy and safety of the new generation of the AQUABEAM Robotic System (P1G3) and the Apogee 2300 Ultrasound System and compare the percentage of patients who are discharged the day of the surgery among different groups of BPH patients who undergo aquablation using the third generation of the AQUABEAM Robotic System.

In efforts to assist people who have had a concussion (mild traumatic brain injury), the Parkwood Pacing and Planning™ app has been developed and tested and will be released to the public. The app uses a point system where users have a daily point maximum assigned based on symptom severity with daily activities (recorded by the users). Users can then schedule their daily activities based on their allowed points. The goal is to help users with symptom self-management by facilitating activity planning and pacing. Patients and clinicians have provided positive feedback on the initial version of the app. Using this as a foundation, the investigators envision enhancing the app to provide a more personalized user experience and to enable further discovery and innovations in the recovery from concussion. This will be accomplished through data analytics and machine-learning techniques, informed by the results of a large-scale research trial. This strategy will be used to customize the point system to facilitate the user with pacing and planning.

The purpose of the proposed study is to broaden our understanding on the neural effects of High Definition Transcranial Direct Current Stimulation (HD-tDCS) so that its clinical effects can be further improved.