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Filter by:To evaluate the safety and efficacy of anti Tim3/CD123 CAR-T cells in the treatment of relapsed and refractory acute myeloid leukemia.
About 33% of patients with myeloid or lymphoid malignancies experience relapse with HLA loss after haplo-HSCT. Due to the specificity of HLA-loss relapse, the 2019 European Society for Blood and Marrow Transplantation (EBMT) pointed out that for diagnosed HLA-loss patients, it is recommended to use different HLA-haploidentical donors, and lymphocyte infusions from the original donor cannot improve the prognosis. Clinical studies have found that second transplantation can achieve prolonged disease-free survival than chemotherapy for patients with HLA loss, and it may be an effective treatment strategy for these patients. However, due to the high standard of second hematopoietic stem cell transplantation (HSCT), not all patients can find suitable donors. Since the first successful application of umbilical cord blood transplantation (UCBT) by Gluckman et al. in France in 1988 for the treatment of Fanconi anemia, umbilical cord blood (UCB) has been widely used as a reliable source for HSCT in the treatment of hematological diseases. In 1998, Professor Yongping Song led the first successful UCBT in the treatment of leukemia, opening up the path of it in China. Compared with peripheral blood stem cell transplantation (PBST), UCBT has a higher engraftment rate. UCB contains more primitive and purer stem cells than bone marrow hematopoietic stem cells. UCBT can be performed with only 4 HLA matches, and the degree of rejection, the risk of disease relapse, and the incidence of chronic graft-versus-host disease (cGVHD) are all relatively low, greatly improving the survival of patients. Although UCBT has been a potential treatment for second transplantation, the effective conditioning regimen is still under discussion. Improving the incidence of engraftment , the tolerance of conditioning, and reducing transplant-related mortality (TRM) are issues of great concern in second transplantation. A standard RIC regimen composed of fludarabine (200mg/m2) combined with cyclophosphamide (50mg/kg) and 2Gy or 3Gy total body irradiation (TBI) is the most common conditioning regimen used in UCBT. Although the tolerance of this RIC is acceptable, the relapse rate after transplantation is relatively high, and the implantation failure rate is also high in high-risk populations. The inclusion of thiotepa (10mg/kg) combined with fludarabine, cyclophosphamide, and 4Gy TBI in an intensified version of the RIC regimen has improved the engraftment rate without increasing TRM. In addition, studies have also confirmed that increasing the dose of TBI can improve engraftment in transplant recipients at high risk of UCBT failure. The fludarabine/busulfan/melphalan (Flu/Bu/Mel) conditioning regimen was first used for salvaging UCBT in unresponsive hematological malignancies in 2016 and achieved good clinical outcomes. Subsequently, several transplant centers in Japan adopted the Flu/Bu/Mel conditioning regimen for UCBT and confirmed that, compared with the Flu/Bu4 regimen, it not only improved overall survival (OS) but also reduced disease relapse rate without increasing TRM. A recent multicenter retrospective study of UCBT in patients with acute myeloid leukemia in remission found that compared with the TBI/Cy conditioning regimen, the Flu/Bu/Mel conditioning regimen improved the engraftment rate and exerted the GVL effect, reducing NRM and improving OS. Based on the above, TBI/Flu/Bu/Mel as a conditioning regimen for secondary UCBT in patients with hematological malignancies who relapsed after allo-HSCT is safe and feasible, and is expected to improve the prognosis of these patients. Therefore, based on existing clinical experience with research evidence, our center plans to conduct a clinical study of low-dose TBI and FBM as a conditioning regimen for secondary UCBT in patients with hematological malignancies who relapsed after allo-HSCT, observing the improvement in the cumulative incidence of engraftment, disease relapse, GVHD, and survival rate in patients who received this regimen.
Conduct a retrospective and prospective study to confirm the association between blood cells counts and the efficacy and safety in immunochemotherapy in patients with advanced esophageal cancer.
This is a multicenter, open-label, single-arm clinical study designed to evaluate the safety and efficacy of Utidelone plus Tirelizumab and Bevacizumab for advanced or metastatic triple-negative breast cancer (TNBC).
The goal of this prospective clinical trial is to investigate the safety and efficacy of ST-02 (mucoadhesive gemcitabine suspension for pyelocaliceal instillation) to treat Upper Tract Urothelial Carcinoma (UTUC) in participants who have a low-grade tumor. The main questions this study aims to answer are: 1. Can ST-02 effectively eradicate UTUC by 3 months? 2. Is ST-02 safe for patients with UTUC? Participants in this study will receive ST-02, a new formulation with gemcitabine once weekly for six weeks. Gemcitabine is known to be an effective drug in treating urothelial carcinoma. This new formulation will be instilled directly into the upper urinary tract (renal pelvis) and will allow the chemotherapeutic to work locally for an extended period of time. The administration process will be retrograde (via a small catheter inserted up into the kidney, under anesthesia) or antegrade (via a nephrostomy, in the clinic) once weekly for six weeks. Safety and efficacy will be monitored for up to a year after the initial response assessment.
This is an interventional, double-blind, placebo controlled, multicenter, randomized clinical trial with allocation sequence concealment and blinded endpoint adjudication. The goal of present study is to investigate if periprocedural administration of 10 mg once daily empagliflozin, a sodium-glucose cotransporter-2 inhibitor (SGLT2I), can reduce the incidence of post-operative atrial fibrillation and/or atrial flutter in patients with chronic coronary syndrome scheduled for isolated CABG. This trial will be conducted in two referral teaching cardiology hospitals in Tehran. 492 adult patients who are scheduled for elective isolated coronary artery bypass graft (CABG) surgery will be randomly assigned to one of the groups of intervention (empagliflozin 10 mg daily) or placebo starting 3 days before surgery until discharge.
Recurrent urinary tract infection (rUTI) is a common and difficult to treat problem with limited treatment option; postmenopausal women are disproportionately affected. The genitourinary syndrome of menopause (GSM) describes the broad spectrum of signs and symptoms caused by the loss of endogenous sex steroids. The combined effects of urogenital epithelial tissue thinning and changes to the vaginal and bladder microbiome can predispose to ascending UTIs. Recurrent UTIs is a component of GSM. Intravaginal laser therapy has been shown to be safe and effective for the treatment of GSM, however, the role of laser for treatment of recurrent UTIs is unknown. We hypothesis that the incidence of UTI will be reduced as CO2 laser restores vaginal epithelium to a state similar to that of a pre-menopausal woman, preventing microtrauma, and increases Lactobacillus and normal flora (Athanasiou et al., 2016). Lactobacillus is considered the bacteria that helps keep the vagina healthy and infection free through its production of lactic acid which lowers vaginal pH, this more acidic environment may be protective from uropathogens. We therefore aim to conduct a single-blinded, multi-centre, randomised controlled trial comparing the use of intravaginal CO2 laser therapy to sham in post-menopausal women with rUTIs and to determine the impact on the microbiome.
Menstrual staphylococcal toxic shock is a rare but severe disease, requiring intensive care in over 80% of cases. Menstrual staphylococcal toxic shock develops during the peri-menstrual period, in healthy young women colonized by a vaginal strain of Staphylococcus aureus secreting the Toxic shock syndrome toxin 1 (TSST-1) and not immune to it, in a favorable environment, i.e. wearing intravaginal menstrual protection (tampon, menstrual cup). The rarity of the syndrome, its polymorphous clinical presentation and the absence of a totally specific biological examination make menstrual staphylococcal toxic shock a difficult pathology to diagnose. The reference clinical criteria correspond to the advanced picture of multivisceral failure, making it possible to classify cases a posteriori, but contribute to diagnostic delay and lack sensitivity. Patient accounts suggest the presence of symptoms in the days preceding the development of toxic shock, and also during previous menstrual cycles. The identification of prodromal symptoms could enable earlier management of menstrual staphylococcal toxic shock by removal of intra-vaginal sanitary protection, the main risk factor, before the disease becomes permanently established and requires intensive care.
The aim of this randomized pilot clinical trial of preterm infants requiring noninvasive respiratory support for respiratory distress syndrome (RDS) at birth is to improve short-term respiratory outcomes. The main question it aims to answer is: - Can a CPAP (or a PEEP if ventilation is needed) administered with a face mask and a T-piece at a level of 8 cmH2O improve lung recruitment in the delivery room when compared to administration of a level of 5 cmH2O in a control group? - Secondly, can improved lung recruitment in the first few minutes of life provide long-term benefits to the premature infant? The participants will be premature infants between 26 and 29+6 weeks gestational age.
Attention deficit hyperactivity disorder (ADHD) is caused by an abnormality in the development of the central nervous system. Children with attention and executive function difficulties often need long-lasting rehabilitation and there is an increasing need for timely, cost-effective, and feasible rehabilitation interventions, where the training is targeted to support everyday life functional capacity. The use of Virtual Reality (VR) in the rehabilitation of children with attention and executive function deficits offers opportunities to practice skills required in everyday life in environments emulating real-life situations. The major aim of this research project is to develop a novel effective VR rehabilitation method for children with deficits in attention, activity control and executive functions by using the virtual environment that corresponds to the typical everyday life. In this randomized control study VR glasses are used to present the tasks, and the levels of difficulty are adjusted according to the child's progress. Researchers expect that; 1) Intensive training improves the attention regulation, activity control skills and executive functions of the children in the intervention group; 2) Training of executive skills with motivating tasks in a virtual environment that is built to meet challenging everyday situations transfers to the child's everyday life, 3) The duration of the training effect does not depend on the success of the VR training itself, but on how well the child adopts new strategies that make everyday life easier and how the parent is able to support the child's positive behaviour in everyday life.