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Conventional modalities such as transurethral resection, intravesical chemotherapy, and radical cystectomy are limited by suboptimal drug delivery efficiency and insufficient anti-resistance activity. Smart, responsive, multifunctional nanoplatforms are highlighted for tumor microenvironment–responsive, targeted, and controlled release, supporting multimodal combination therapy. This review outlines design principles, specific diagnostic and treatment applications, and engineering and safety obstacles during translation, proposing future strategies for advancing precision bladder cancer nanomedicine.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/application-and-challenges-of-smart-responsive-multifunctional-nanoplatforms-in-integrated-diagnosis-and-treatment-of-bladder-cancer-and-overcoming-therapeutic-resistance/360219/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/application-and-challenges-of-smart-responsive-multifunctional-nanoplatforms-in-integrated-diagnosis-and-treatment-of-bladder-cancer-and-overcoming-therapeutic-resistance/360219.png","ImageObject",300,407,{"name":92,"@type":93},"Terk","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-23",true,{"@type":102,"interactionType":103,"userInteractionCount":56},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Why is muscle-invasive bladder cancer difficult to treat?","Question",{"text":112,"@type":113},"It has high invasiveness and recurrence rates, along with complex treatment requirements and generally poor survival outcomes.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What limits current standard therapies and contributes to recurrence?",{"text":117,"@type":113},"Traditional treatments can produce significant side effects and often induce therapeutic resistance; cisplatin resistance is described as a primary driver of recurrence and failure.",{"name":119,"@type":110,"acceptedAnswer":120},"How do smart responsive multifunctional nanoplatforms improve diagnosis and treatment?",{"text":121,"@type":113},"They respond to the tumor microenvironment to enable targeted, controlled drug release and multimodal combination therapy, aiming to overcome resistance mechanisms while supporting translational development.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},360219,1790194372,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":56,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},1099525198933,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","TYPE Review  \nPUBLISHED 08 May 2026  \nDOI 10.3389/fonc.2026.1803259  \nOPEN ACCESS  \nEDITED BY  \nMohd Ahmar Rauf,  \nWayne State University, United States  \nREVIEWED BY  \nAnzar Abdul Mujeeb,  \nUniversity of Michigan, United States Anjali Sengar,  \nUniversity of Michigan, United States  \n*CORRESPONDENCE  \nBo Chen  \n[chenmuxin@126.com](chenmuxin@126.com)  \n†These authors have contributed equally to this work and share first authorship  \nRECEIVED 03 February 2026  \nREVISED 13 April 2026  \nACCEPTED 16 April 2026  \nPUBLISHED 08 May 2026  \nCITATION  \nChen L, Hang G, Wen Q, Ren L and Chen B (2026) Application and challenges of smart responsive multifunctional nanoplatforms in integrated diagnosis and treatment of bladder cancer and overcoming therapeutic resistance.  \nFront. Oncol. 16:1803259 .  \ndoi: 10.3389/fonc.2026.1803259  \nCOPYRIGHT  \n© 2026 Chen, Hang, Wen, Ren and Chen. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY) .  \nThe use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.  \nApplication and challenges of smart responsive multifunctional nanoplatforms in integrated diagnosis and treatment of bladder cancer and overcoming therapeutic resistance  \nLong Chen 1†, Gai Hang 2†, Quan Wen 2, Ling Ren 3 and Bo Chen 2* 1Tongliao Clinical Medicao College, Inner Mongolia Medical University, Hohhot, China, 2 Department of Urinary surgery, Tongliao People’s Hospital, Tongliao, China, 3Tongliao Sixth People ’s Hospital,  \nTongliao, China  \nBladder cancer, particularly muscle-invasive bladder cancer, has become a major challenge in clinical treatment due to its high recurrence rate and therapeutic resistance. Traditional treatments—including transurethral resection of bladder tumors, intravesical chemotherapy, and radical cystectomy—exhibit significant limitations in drug delivery efficiency and anti-resistance efficacy, failing to achieve improved therapeutic outcomes. In recent years, smart, responsive, and multifunctional nanoplatforms have gained attention for their precise responsiveness to the tumor microenvironment, enabling targeted and controlled drug release, as well as multimodal combination therapy with promising clinical applications. This review examines the design principles of smart, responsive nanoparticles and their specific applications in the integrated diagnosis and treatment of bladder cancer, exploring their role and advantages in overcoming therapeutic resistance mechanisms. Additionally, it analyzes engineering challenges and safety concerns encountered during the transition from laboratory research to clinical translation, proposing future development strategies and countermeasures. The review aims to provide systematic theoretical support and practical guidance for innovative developments in bladder cancer nanomedicine, thereby advancing the field of precision medicine.  \nKEYWORDS  \nbladder cancer, combination therapy, diagnosis-treatment integration, smart responsive nanoparticles, therapeutic resistance, translational medicine, tumor microenvironment  \n1 Introduction  \nBladder cancer, particularly muscle-invasive bladder cancer (MIBC), remains a significant challenge among urological malignancies due to its high invasiveness, recurrence rate, and treatment complexity. MIBC patients exhibit poor survival rates, with disease mortality constituting a major component of bladder cancer-related deaths (1) . Current standard treatments for MIBC primarily involve radical cystectomy, radiotherapy combined with  \nFrontiers in Oncology 01 [frontiersin.org](frontiersin.org)  \ncisplatin-based chemotherapy, and other approaches. However, traditional therapies invariably induce significant side ef","cbCaih9TlBlHZ7DC","https://ap.wps.com/l/cbCaih9TlBlHZ7DC","pdf",7843962,17,"English","# Introduction\n## Challenges of muscle-invasive bladder cancer and cisplatin resistance\n## Intravesical administration limitations\n## Nanomedicine advantages and delivery rationale","[{\"question\":\"Why is muscle-invasive bladder cancer difficult to treat?\",\"answer\":\"It has high invasiveness and recurrence rates, along with complex treatment requirements and generally poor survival outcomes.\"},{\"question\":\"What limits current standard therapies and contributes to recurrence?\",\"answer\":\"Traditional treatments can produce significant side effects and often induce therapeutic resistance; cisplatin resistance is described as a primary driver of recurrence and failure.\"},{\"question\":\"How do smart responsive multifunctional nanoplatforms improve diagnosis and treatment?\",\"answer\":\"They respond to the tumor microenvironment to enable targeted, controlled drug release and multimodal combination therapy, aiming to overcome resistance mechanisms while supporting translational development.\"}]","Application and challenges of smart responsive multifunctional nanoplatforms in integrated diagnosis and treatment of bladder cancer and overcoming therapeutic resistance | PDF",1790139095,43]