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Filter by:This study evaluates the use of ABI-1968, a topical cream, in the treatment of anal precancerous lesions in adults with and without human immunodeficiency virus (HIV) infection
Epileptic seizures arise from neuronal defects that often alter the capacity of the brain to process sensory information. During absence seizures, a frequent epileptic syndrome in children, the normal conscious and perceptual processes are temporarily interrupted. This is the result of abnormal synchronized neural activities in the thalamo-cortical loops, leading to bilateral spike-and-wave discharges (SWDs) in the cortical electroencephalograms (EEGs). The brain mechanisms underlying the lack of sensory experience during absence seizures are disputed. Based on preliminary data, the investigators hypothesize that the alternation of 'spike' and 'wave' patterns during seizure could cause a time-to-time inconstancy in cortical responsiveness, preventing conscious perception. Using a real-time closed-loop stimulation system, the investigators will research how the S- and W-patterns specifically alter the sensory-evoked responses in the EEG. During a standard EEG, visual stimulations will be applied between and during absence seizures to test the hypothesis that repeated sensory stimuli, applied with an appropriate timing relative to the seizure-related oscillatory cycle, could negatively interfere with the regenerative network mechanisms involved in the occurrence of SWDs. The completion of this project should permit to unveil a new neuronal mechanism supporting the lack of conscious experience during absences and pave the way for new clinical non-invasive strategies to interrupt ongoing seizure activity.
This is a single arm, open-label, phase 1 study, to determine the safety and efficacy of anti-CD123 CAR-T cells in treating patients diagnosed with refractory/relapsed acute leukemia in a dose-escalation way.
The prevalence of birth canal lacerations is more than 70% of all deliveries in Canada. The repair of such lacerations is usually done using a pre-existing epidural analgesia. Once the analgesic effect of the epidural analgesia fades, the laceration may cause intolerable pain, and result in emotional stress, difficulties in ambulation and breastfeeding, and more. The research team hypothesis is that adding a locally injected analgesic, which will take effect once the epidural analgesia fades, may alleviate perineal pain, prevent such difficulties, and improve women's overall well-being and satisfaction. The proposed trial is a two-arm, single-masked, randomized trial. Women with a working epidural analgesia, and a laceration will be invited to participate. Women in the local anesthesia (LA) arm will get a LA injected to the laceration and women in the sham arm will get no injection. The differences in perineal pain between the groups will be evaluated at 6 hours after last epidural dose.
The superficial femoral artery (SFA) is frequently involved in atherosclerosis and is the most common target of lower extremity endovascular procedures performed in patients with claudication. Endovascular treatment of SFA is challenging, given its exceptional predisposition to atherosclerosis and its exposure to extreme mechanical forces of extension, compression, torsion and flexion. The SFA is located in a fibro-muscular canal, follows a tortuous course and is considered a 'hostile' location for endovascular procedures, especially stents due to the risk of stent fracture. On the other hand, durability of balloon angioplasty in the SFA is dismal (25% patency at 1 year). Therefore, Nitinol (a metal alloy of nickel and titanium) stent implantation is the mainstay of endovascular SFA interventions when balloon angioplasty (PTA) leads to sub-optimal results during a procedure. It is used in over 70% of all cases and in nearly 100% of all femoro-popliteal (FP) CTO (chronic total occlusions) and long (≥60 mm) interventions. Endovascular treatment of SFA is challenging and restenosis is the most common cause for the lack of durability of a SFA peripheral vascular interventional procedure.5 Restenosis rates of SFA bare metal (nitinol) stents or BMS at 1 year exceeds 50% for lesions ≥60 mm in length or CTO. Stent based treatment of the SFA may not offer any additional advantage for short non-CTO (<60 mm) lesions compared to PTA. In a recent study, primarily comparing drug-eluting stents (DES) to balloon angioplasty in the SFA, 12 month patency rates were 83.1% and 32.8%, respectively for DES and balloon angioplasty arms. However, there are no head-to head studies randomized studies comparing DES and BMS in the SFA. Thus, endovascular SFA intervention in patients with symptomatic PAD is an area of urgent need for high-quality evidence as volume of these procedures continues to rise exponentially in the U.S. and around the world, largely on the basis of insufficient evidence.Thus, the purpose of this study is to conduct a randomized pilot trial comparing DES and BMS for percutaneous revascularization of SFA.
This pilot phase I trial studies how well itacitinib works in treating patients with sarcomas that do not respond to treatment (refractory) and have spread to other parts of the body (advanced/metastatic). Itacitinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth.
This study investigates the effects of RO6889450 on the negative symptoms associated with schizophrenia and schizoaffective disorder.
The purpose of this study is to see how taking Vitamin E daily affects fatty liver in persons living with HIV. Subjects will have both HIV and a fatty liver and the purpose of the study is to learn if underlying liver condition (fatty liver) gets better, worse, or stays the same from taking Vitamin E.
The main objective is to show that cumulative length of stay over the first 45 post operative days (i.e. : primary length of stay and readmission) is significantly lower in the outpatients group than in the inpatients group
The investigators want to investigate the user friendliness, and performance of the LMA Protector. The principal research question is to assess the overall performance of the LMA Protector. The investigators are merely making observations related to use of the device during clinical practice.