View clinical trials related to Urinary Bladder Neoplasm.
Filter by:The purpose of this study is to find out whether the study drug, LY4101174, is safe, tolerable and effective in participants with advanced, or metastatic solid tumors. The study is conducted in two parts - phase Ia (dose-escalation, dose-optimization) and phase Ib (dose-expansion). The study will last up to approximately 4 years.
This is a non-blinded phase 2 trial in Stage II-IIIa urothelial cancer randomizing pre-operative nivolumab with or without relatlimab to assess whether bladder preservation after dual immunotherapy would be a viable treatment option for patients responding to treatment
There is a relation between inflammatory cells and the prognosis of tumors (cancer colon, renal, liver, and urinary bladder). In this study, the investigators will link the Neutrophils to Lymphocytes ratio to the response to intravesical BCG therapy post trans-urethral resection of urinary bladder tumors for the non-invasive urinary bladder tumors.
This clinical trial is looking at a combination of drugs called trastuzumab and pertuzumab. This combination of drugs is approved as standard of care treatment for adult patients with metastatic breast cancer. This means it has gone through clinical trials and been approved by the Medicines and Healthcare products Regulatory Agency (MHRA) in the UK. Trastuzumab and pertuzumab work in patients with these types of cancers which have a molecular alteration called HER2 amplification or HER2 activating mutation. Investigators now wish to find out if it will be useful in treating patients with other cancer types which are also HER2 amplified or HER2 mutated. If the results are positive, the study team will work with the NHS and the Cancer Drugs Fund to see if these drugs can be routinely accessed for patients in the future. This trial is part of a trial programme called DETERMINE. The programme will also look at other anti-cancer drugs in the same way, through matching the drug to rare cancer types or ones with specific mutations.
Bladder carcinoma (BC) is the 13th leading cause of cancer mortality worldwide . In Egypt, BC is the third common malignant tumor. Its incidence is 8.7% of all malignant tumors in both sexes with more predominance in males as reported by National Cancer Registry with more expected cases in the future. There are different histological variants of BC which show different phenotypic, biological and prognostic impacts. The most common histological type of BC is urothelial carcinoma which constitutes about 90% of all bladder cancers. Squamous cell carcinoma, adenocarcinoma and other rare types represent the remaining 10%. Carcinoma of the bladder is considered a heterogeneous stem cell tumor with increasing morbidity and death rates if it is not treated properly. The presence of cancer stem cells (CSCs) is associated with tumor progression, recurrence, metastasis, and resistance to conventional chemotherapy and makes complete elimination of the tumor difficult. Successes in treatment plans need more understanding of the CSCs population and their molecular biology. The most important items of CSCs regulatory core are transcription factors such as OCT4, SOX-2, and Nanog. They play an important role in the regulatory network for maintaining the 'stemness' state of stem cells. SOX2 (short for Sex determing Region Y - box 2), a High Mobility Group (HMG) domain transcription factor is member of the SRY-related HMG-box (SOX) family of transcription factors involved in the pluripotency, self-reappearance and differentiation of embryonic stem cell. Cancer immunotherapy starts with a proper understanding of tumor immuno-biology. Study of the tumor microenvironment revealed the importance of immune checkpoints in facilitating tumor immunological escape, leading to the development of multiple novel therapeutics targeting the PD-1/PD-L1 (programmed cell death protein 1, "CD279" programmed death ligand 1, "CD274") immune checkpoints. And recently the expression levels of PD-L1 are closely associated with CSCs immune escape. PD-1 is a T-cell immune inhibitory checkpoint that inhibit T-cell activation and contributes to the immunosuppressive tumor microenvironment. PD-1 is also expressed on activated B cells and natural killer cells. PD-1 is activated by binding to its ligand; PD-L1, which is a type I trans-membrane glycoprotein. Many cell types express PD-L1, including placenta, vascular endothelium, hepatocytes and mesenchymal stem cells, also B cells, T cells, dendritic cells, macrophages, and mast cells. PD-L1 is considered to be a co-inhibitory factor of the immune response, it can combine with PD-1 to reduce the proliferation of PD-1 positive cells, inhibit their cytokine secretion and induce apoptosis. PD-L1 also plays an important prognostic and predictive value in various malignancies where it can attenuate the host immune response to tumor cells. However, little is known about the role of PD-L1 and its relation to SOX2 in urinary bladder carcinoma including its different histopathological variants. In this study, the main objective is to evaluate the immunohistochemical expression of PD-L1 to CSCs marker (SOX2) in urinary bladder carcinoma as a prognostic factor and search for new prospective targeted cancer therapy.
Urinary bladder cancer is a common malignant tumor of the urinary tract in both men and women. Proper management of the urinary bladder cancer depends on the stage of the lesions. Differentiating the histopathological types, tumor grade and the depth of tumor invasion are very important for determining the therapeutic approach and are highly correlated with the recurrence, progression and patient's survival. Radical cystectomy (RC) and lymphadenectomy after neoadjuvant chemotherapy is the standard treatment for muscle invasive tumors, whereas the treatment of choice for non-muscle invasive tumors is transurethral resection (TUR) ±chemo/immunotherapy. Cystoscopy with biopsy is still the best tool for bladder cancer staging due to its high sensitivity in detecting lesions and the possibilities of tumor resections, but the main drawbacks are invasiveness, limitation in detection of flat lesions, and lack of the assessment of extra-vesical tumor invasion. Modern diagnostic modalities circumvent these limitations like blue-light cystoscopic examination and infrared cystoscopy. For the radiological evaluation of the urinary bladder, magnetic resonance imaging (MRI) is a valuable imaging modality due to high tissue contrast and multiplanar imaging capabilities. Diffusion-weighted images provides useful information for evaluation of local T stage of the urinary bladder cancer, specially in differentiating T1 stage or lower tumors from T2 stage and higher tumor stages. Apparent diffusion coefficient (ADC) delineating the degree of water molecular diffusion and the degree of restriction to water diffusion in biological tissues is inversely correlated to the integrity of the cell membranes and the tissue cellularity. The apparent diffusion coefficient (ADC) value has been revealed as quantitative measure of the degree of malignancy of the lesions. Decreased ADC values were reported with malignant lesions which have a larger cell diameter and more cellularity than normal tissue.
Transurethral resection of bladder tumor (TURBT) is usually performed in a piecemeal technique. Tumor fragmentation and cell spilling could be responsible for high recurrence rates. Circulating tumor cells (CTCs) have been shown to be a prognostic predictor in disease progression in transitional cell carcinoma. In the current study the investigators aim to quantify CTCs in purging fluid and blood for recurrent intermediate risk bladder cancer during surgery for two different methods: TURBT and Plasma-kinetic vaporization of bladder tumor (PKVBT). Also correlations for recurrence will be investigated for the two different surgical methods.
En bloc resection of bladder tumors (ERBT) may improve staging quality and perioperative morbidity and influence tumour recurrence
This study is a Phase I/II, multicenter, first-in-human, open-label dose-escalation study of BT8009 given as a single agent and in combination with pembrolizumab in participants with advanced solid tumors associated with Nectin-4 expression or in participants with advanced solid tumor malignancies having renal insufficiency. The primary endpoints are: Dose limiting toxicities (Parts A-1 and A-2), Overall response rate per RECIST v1.1 (Part B), Safety and tolerability (Part C), and characterization of the pharmacokinetics (Part D).
The purpose of this study is to examine the usefulness of implanting small 24-K gold fiducial markers around a bladder tumor site, so that a Radiation Oncologist can identify the original tumor location at the time of radiation treatment. Other goals of the study include assessing whether a new MRI imaging technology can help with detection of bladder cancer earlier and more accurately when evidence of bladder cancer is not visible by scope.