Publications by authors named "Philipp Maisch"

Objectives: To assess the effects of immunotherapy compared to chemotherapy as first- and second-line treatment of advanced or metastatic urothelial carcinoma.

Methods: Based on a published protocol, we performed a systematic search of multiple databases. Two review authors independently performed the literature selection, identified relevant studies, assessed the eligibility of studies for inclusion, and extracted data.

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Article Synopsis
  • Immune checkpoint inhibitors are gaining significance in the treatment of locally advanced and metastatic bladder cancer, with various studies exploring their use as first- and second-line therapies either alone or alongside chemotherapy.
  • The study aimed to evaluate the effectiveness of immune checkpoint inhibitors compared to traditional chemotherapy for advanced or metastatic urothelial carcinoma.
  • A comprehensive search up to August 2022 led to the inclusion of five randomized controlled trials with 3572 participants, focusing on the comparison of immunotherapy and chemotherapy treatments.
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Background: Since the approval of tyrosine kinase inhibitors, angiogenesis inhibitors and immune checkpoint inhibitors, the treatment landscape for advanced renal cell carcinoma (RCC) has changed fundamentally. Today, combined therapies from different drug categories have a firm place in a complex first-line therapy. Due to the large number of drugs available, it is necessary to identify the most effective therapies, whilst considering their side effects and impact on quality of life (QoL).

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Background: Due to possible synergistic effects, the combination of radiation therapy (RT) and immune checkpoint inhibitors (ICI) represents an interesting therapeutic option. An increasing number of clinical trials are ongoing to investigate this combination in genitourinary malignancies and the first results are available.

Objectives: To review and summarize available data on the combination of RT and ICI in genitourinary malignancies and update the evidence for this potential therapeutic approach.

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Background: The treatment options for locally advanced and metastatic urothelial carcinoma (UC) are currently limited to established chemotherapy and immunotherapy protocols. Targeted treatment is so far restricted to a small subgroup of patients. Urothelial organoid systems could make a decisive contribution in establishing effective personalized treatment options by enabling drug response prediction through testing the sensitivity of individual patients.

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Background: Disease recurrence and progression remain major challenges for the treatment of non-muscle invasive bladder cancer. Narrow band imaging (NBI) is an optical enhancement technique that may improve resection of non-muscle invasive bladder cancer and thereby lead to better outcomes for people undergoing the procedure.  OBJECTIVES: To assess the effects of NBI- and white light cystoscopy (WLC)-guided transurethral resection of bladder tumor (TURBT) compared to WLC-guided TURBT in the treatment of non-muscle invasive bladder cancer.

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Objectives: To assess the effects of blue-light (BL)-enhanced transurethral resection of bladder tumour (TURBT) compared to white-light (WL)-based TURBT in the treatment of non-muscle-invasive bladder cancer (NMIBC).

Methods: Based on a published protocol, we performed a systematic search of multiple databases from their inception to March 2021. We included randomized controlled trials (RCTs) comparing blue-light (BL) TURBT to white-light (WL) TURBT.

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Discordance between pre-operative biopsy and final pathology for Upper Tract Urothelial Carcinoma (UTUC) is high and optimal management remains controversial. The aim of this study is to evaluate the accuracy of pre-operative biopsy, to identify prognostic factors and to evaluate the effect of adjuvant chemotherapy on survival and oncologic outcome in UTUC. We analyzed records of patients receiving surgical treatment for UTUC.

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Background: Disease recurrence and progression remain major challenges in the treatment of non-muscle invasive bladder cancer (NMIBC). Blue light-enhanced transurethral resection of bladder cancer (TURBT) is an approach to improve staging and achieve a complete resection of NMIBC.

Objectives: To assess the effects of blue light-enhanced TURBT compared to white light-based TURBT in the treatment of NMIBC.

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Purpose: To assess the comparative effectiveness and toxicity of intravesical gemcitabine instillation for non-muscle invasive bladder cancer (NMIBC).

Materials And Methods: We performed a comprehensive literature search on 11 September 2020. We included RCTs in which participants received intravesical gemcitabine for primary or recurrent NMIBC.

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Background: It remains unclear whether people with non-muscle invasive bladder cancer (NMIBC) benefit from intravesical gemcitabine compared to other agents in the primary or recurrent setting following transurethral resection of a bladder tumor. This is an update of a Cochrane Review first published in 2012. Since that time, several randomized controlled trials (RCTs) have been reported, making this update relevant.

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Context: Numerous health care organizations have established guidelines on diagnosis and treatment of bladder cancer. However, the lack of a standardized guideline development approach results in considerable differences of the guidelines' methodological quality.

Objective: To assess the methodological quality of all relevant clinical practice guidelines (CPGs) for urinary bladder cancer and provide a reference for clinicians in choosing guidelines of high methodological quality.

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Background: Patients with locally advanced bladder cancer (cT3/4 cN0/N+ cM0) have a poor prognosis despite radical surgical therapy and perioperative chemotherapy. Preliminary data suggest that the combination of radiation and immunotherapy does not lead to excess toxicity and may have synergistic (abscopal) anti-tumor effects. We hypothesize that the combined preoperative application of the PD-1 checkpoint-inhibitor Nivolumab with concomitant radiation therapy of the bladder and pelvic region followed by radical cystectomy with standardized lymphadenectomy is safe and feasible and might improve outcome for patients with locally advanced bladder cancer.

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This review summarises the treatment strategies of the last five decades for metastatic urothelial cancer. The introduction of combination chemotherapy in the mid-1980s led to clinically significant response rates and prolonged survival. Two years ago, the results of a phase-3 clinical trial with the PD1 inhibitor pembrolizumab for second-line treatment of metastatic urothelial carcinoma were published.

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Article Synopsis
  • Colloidal nanocrystals made from PbS were used to create efficient infrared photodetectors, showcasing high sensitivity and low processing times with minimal material use.
  • * The devices, developed through an optimized ink formulation stabilized by specific ligands, allow for all-printed designs that include printed electrodes and interlayers.
  • * Adding poly(vinylpyrrolidone) enhanced the stability and performance of the ink, indicating potential for various electronic applications beyond just photoconductors.
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The use of additives to improve the performance of organic photovoltaic cells has been intensely researched in recent years. However, so far, no system has been reported for the classification of additives and their functions. In this report, a system for classifying additives according to the fundamental mechanism by which they influence microstructure formation for P3HT:PCBM is suggested.

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Transparent cellulose sheets were prepared through tape-casting a solution of cellulose. Flexible, luminescent sheets were produced by adding europium trichloride to the casting solution and treating the sheets with an aqueous solution of ammonium fluoride. Scanning electron micrographs of the resulting sheets showed europium trifluoride particles with diameters from 200nm to 500nm.

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