[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100638801":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":10,"centralContacts":15,"locations":21,"responsibleParty":36,"collaborators":10,"id":39,"slug":40,"hasResults":41,"nctId":42,"briefTitle":43,"officialTitle":44,"acronym":10,"eligibilityCriteria":45,"healthyVolunteers":46,"sex":47,"minAge":48,"maxAge":49,"enrollmentInfo":50,"targetDuration":10,"studyType":53,"phases":10,"briefSummary":54,"conditions":55,"keywords":10,"overallStatus":59,"whyStopped":10,"lastUpdateSubmitDate":60,"lastUpdatePostDateStruct":61,"startDateStruct":64,"completionDateStruct":66,"leadSponsor":68,"locationsCount":69},{"fullName":5,"class":6},"Beijing University of Chinese Medicine","OTHER",[8,11,13],{"label":9,"type":10,"description":10,"interventionNames":10},"Colorectal Cancer",null,{"label":12,"type":10,"description":10,"interventionNames":10},"Precancerous Lesion",{"label":14,"type":10,"description":10,"interventionNames":10},"Healthy Control",[16],{"name":17,"role":18,"phone":19,"phoneExt":10,"email":20},"Mei Zhang","CONTACT","13810021517","meizhang@bucm.edu.cn",[22],{"facility":5,"status":10,"city":23,"state":24,"zip":10,"country":25,"countryCode":26,"cosmosGeoPoint":27,"geoPoint":32,"contacts":33},"Beijing","Beijing Municipality","China","CN",{"type":28,"coordinates":29},"Point",[30,31],116.39723,39.9075,{"lat":31,"lon":30},[34],{"name":17,"role":18,"phone":35,"phoneExt":10,"email":20},"+8613810021517",{"type":37,"investigatorFullName":17,"investigatorTitle":38,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Research Professor","100638801","noninvasive-early-diagnosis-of-colorectal-cancer-using-odor-targeted-capture-point-of-care-testing-and-intelligent-analysis-100638801",false,"NCT07620743","Noninvasive Early Diagnosis of Colorectal Cancer Using Odor-Targeted Capture, Point-of-Care Testing, and Intelligent Analysis","Key Technology Research on Non-invasive Early Diagnosis of Colorectal Cancer Based on Odor-targeted Capture, Instant Detection, and Intelligent Analysis","Inclusion Criteria:\n\n* Age 18 to 85 years, male or female\n* Histopathologically or cytologically confirmed colon or rectal cancer (TNM stage I-IV) for colorectal cancer group\n* Histopathologically confirmed adenomatous polyps, sessile serrated lesions, traditional serrated adenomas, or other precancerous lesions for precancerous lesion group\n* No abnormality on colonoscopy within the past year; no personal history of colorectal cancer or other malignancies; no chronic diseases requiring long-term treatment for healthy control group\n* Willing and able to provide signed informed consent\n\nExclusion Criteria:\n\n* Hereditary colorectal cancer syndromes (e.g., familial adenomatous polyposis, hereditary non-polyposis colorectal cancer)\n* Autoimmune diseases (e.g., systemic lupus erythematosus, rheumatoid arthritis)\n* Severe cardiovascular, respiratory, or urinary system diseases\n* Other primary malignant tumors\n* Hematological diseases\n* Unable to comply with study procedures (e.g., sample collection or questionnaires)\n* Planning to become pregnant, pregnant, or breastfeeding\n* Suspected or confirmed alcohol or drug abuse\n* Known allergy to any drug used for colorectal cancer treatment\n* Participation in another interventional drug clinical trial within the past month\n* Any other condition that, in the investigator's judgment, makes the participant unsuitable for the study",true,"ALL","18 Years","85 Years",{"count":51,"type":52},453,"ESTIMATED","OBSERVATIONAL","The goal of this observational study is to see whether a new, noninvasive test that analyzes smells (odor) from breath and intestinal gas can help detect colorectal cancer and precancerous growths at an early stage.\n\nThe main questions it aims to answer are:\n\nCan the new odor-based test correctly identify people who have colorectal cancer or precancerous lesions?\n\nHow accurate is the new test compared to the current standard method (colonoscopy with biopsy)?\n\nResearchers will compare the results of the new test with standard diagnostic results.\n\nParticipants will be asked to:\n\nProvide samples of breath, urine, stool, and intestinal gas (collected using a special device or a collection bag)\n\nAllow researchers to review their medical records and colonoscopy results\n\nAnswer questions about their health history and lifestyle\n\nThis study involves no treatments or procedures beyond normal medical care. It only collects samples and data for research purposes.",[56,57,58],"CRC","Precancerous Condition","Healthy","NOT_YET_RECRUITING","2026-05-29",{"date":62,"type":63},"2026-06-02","ACTUAL",{"date":65,"type":52},"2026-06-10",{"date":67,"type":52},"2029-12-31",{"name":5,"class":6},1]