[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"trial:NCT06824402":3,"trial-entities:NCT06824402":106,"trial-summary:NCT06824402":111},{"id":4,"nct_id":4,"org_study_id":5,"brief_title":6,"official_title":7,"overall_status":8,"completion_date":9,"status_verified_date":10,"last_update_date":11,"start_date":12,"sponsor_name":13,"lead_sponsor_class":14,"has_dmc":15,"brief_summary":16,"detailed_description":17,"conditions":18,"keywords":20,"study_type":23,"primary_purpose":24,"phases":25,"enrollment_info":27,"interventions":30,"primary_outcomes":42,"secondary_outcomes":47,"sex":54,"minimum_age":55,"maximum_age":56,"healthy_volunteers":15,"eligibility_criteria":57,"std_ages":75,"locations":78,"central_contacts":92,"overall_officials":102,"references":104,"see_also_links":105},"NCT06824402","23-011339","Cryoprobe Biopsy and Chronic Rejection in Lung Transplant Recipients","A Prospective, Randomized Clinical Trial to Evaluate the Feasibility of Miniature Cryoprobe Biopsy to Detect Acute and Chronic Lung Transplant Rejection in Lung Transplant Recipients","RECRUITING","2027-09-30","2026-04","2026-05-01","2025-02-17","Mayo Clinic","OTHER",false,"The goal of this clinical trial is to evaluate which biopsy collection method helps to better diagnose rejection and relevant pathologic findings in lung transplant recipients. The main questions it aims to answer are:\n\nDoes the 1.1 mm cryoprobe or the biopsy forceps provide better quality samples of lung tissue for detecting rejection in transplant recipients?\n\nHow much tissue is adequate for lung transplant 1.1 mm cryobiopsy samples as compared to biopsy forceps?\n\nWhich samples received by the pathologist did they find they were most confident to exclude rejection, based on their satisfaction with the samples?\n\nWhich collection method has the least amount of procedural time?\n\nResearchers will compare lung tissue samples obtained using a 1.1mm cryoprobe and a biopsy forceps during the lung transplant.\n\nParticipants will:\n\nBe randomly assigned to receive either the cryoprobe or biopsy forceps collection method at the time of biopsy.\n\nAssessed for any adverse events following the biopsy for up to 30 days after transplant.","The purpose of this 1:1 randomized clinical trial is to compare the histological quality and diagnostic yield of tissue samples acquired using a 1.1 mm cryoprobe with those obtained with biopsy forceps in lung transplant recipients for graft surveillance.",[19],"Lung Transplant Rejection",[21,22],"Lung Transplant","Bronchoscopy","INTERVENTIONAL","HEALTH_SERVICES_RESEARCH",[26],"NA",{"count":28,"type":29},100,"ESTIMATED",[31,37],{"type":32,"name":33,"description":34,"armGroupLabels":35},"DEVICE","Forceps Biopsy","10-12 transbronchial lung biopsies will be obtained using standard of care biopsy forceps: Olympus disposable EndoJaw (FB-211), Olympus, USA",[36],"Forceps Biopsy Method",{"type":32,"name":38,"description":39,"armGroupLabels":40},"Cryoprobe Biopsy","3 transbronchial lung biopsies of two separate lobes will be obtained using a flexible cryoprobe: single-use, ø 1.1 mm (Erbe Elektromedizin GmbH, 20402-401) used with ERBECRYO 2 (Erbe Elektromedizin GmbH, 10402-000",[41],"Cryoprobe Biopsy Method",[43],{"measure":44,"description":45,"timeFrame":46},"Quality and diagnostic yield of tissue samples","Histological accessibility grade is determined by the pathologist according to the Lung Allograft Standard Histological Analysis (LASHA) scale and the 2007 Revision of the 1996 working formulation for the Standardization of Nomenclature in the Diagnosis of Lung Rejection, published by the ISHLT.","Baseline",[48,51],{"measure":49,"description":50,"timeFrame":46},"Time duration","Duration of each individual biopsy procedure from insertion of the bronchoscope after airway has been secured until bronchoscope is withdrawn. .",{"measure":52,"description":53,"timeFrame":46},"Tissue sample adequacy","Number of biopsy samples that are adequate to determine rejection based on the presence of well expanded alveoli, as determined by the pathologist.","ALL","18 Years","99 Years",{"inclusion":58,"exclusion":62,"raw_text":74},[59,60,61],"Male and female lung transplant recipients age \\>18 at the time of informed consent","Patients clinically meet indication for post-transplant lung biopsy or planned routine surveillance and have been scheduled for bronchoscopy with transbronchial biopsy.","Be willing and able to sign the informed consent.",[63,64,65,66,67,68,69,70,71,72,73],"Patients with known bleeding diathesis","Platelet count \\<50,000 per μL within 14 days of the biopsy procedure","Current use of systemic anticoagulation or antiplatelet therapy without the ability to hold therapy for the recommended amount of time prior to an invasive procedure (aspirin monotherapy is acceptable)","Inability or unwillingness to give informed consent or study procedures","Pregnant or nursing females, or females who intend to become pregnant","Females of child-bearing potential who decline a pregnancy test prior to enrollment","If an investigator does not feel that this study is in the subject's best interest or would be a good fit for the study.","International Normalized Ratio (INR) \\>1.5","Do Not Resuscitate (DNR) status","Do Not Intubate (DNI) status","Single lung transplant recipients","Inclusion Criteria\n\n* Male and female lung transplant recipients age \\>18 at the time of informed consent\n* Patients clinically meet indication for post-transplant lung biopsy or planned routine surveillance and have been scheduled for bronchoscopy with transbronchial biopsy.\n* Be willing and able to sign the informed consent.\n\nExclusion Criteria\n\n* Patients with known bleeding diathesis\n* Platelet count \\<50,000 per μL within 14 days of the biopsy procedure\n* Current use of systemic anticoagulation or antiplatelet therapy without the ability to hold therapy for the recommended amount of time prior to an invasive procedure (aspirin monotherapy is acceptable)\n* Inability or unwillingness to give informed consent or study procedures\n* Pregnant or nursing females, or females who intend to become pregnant\n* Females of child-bearing potential who decline a pregnancy test prior to enrollment\n* If an investigator does not feel that this study is in the subject's best interest or would be a good fit for the study.\n* International Normalized Ratio (INR) \\>1.5\n* Do Not Resuscitate (DNR) status\n* Do Not Intubate (DNI) status\n* Single lung transplant recipients",[76,77],"ADULT","OLDER_ADULT",[79],{"facility":80,"status":8,"city":81,"state":82,"zip":83,"country":84,"contacts":85,"geoPoint":89},"Mayo Clinic in Rochester","Rochester","Minnesota","55905","United States",[86],{"name":87,"role":88},"John Joerns","PRINCIPAL_INVESTIGATOR",{"lat":90,"lon":91},44.02163,-92.4699,[93,98],{"name":94,"role":95,"phone":96,"email":97},"John Joerns, MD","CONTACT","507-284-6616","joerns.john@mayo.edu",{"name":99,"role":95,"phone":100,"email":101},"Jackie Reiter","507-538-2224","reiter.jacqulyn@mayo.edu",[103],{"name":87,"affiliation":13,"role":88},[],[],{"nct_id":4,"conditions":107,"biomarkers":110},[108,109],"Lung Transplantation","Lung transplant rejection",[],{"nct_id":4,"found":112,"summary":113,"prompt_version":122},true,{"design":114,"status":115,"heading":6,"summary":116,"follow_up":117,"word_count":118,"commitments":119,"compensation":120,"drugs_mentioned":121},"This is a randomized clinical trial comparing two biopsy methods in about 100 participants.","completed","This study is for lung transplant recipients aged 18 to 99 who need a lung biopsy. Researchers are comparing two ways to collect lung tissue: using standard biopsy forceps (Olympus disposable EndoJaw) or a flexible cryoprobe (Erbe Elektromedizin GmbH). The goal is to see which method provides better quality tissue samples to help doctors diagnose rejection more accurately. They want to know if one method gives more useful tissue, if pathologists are more confident in their findings with one method, and which method takes less time. This study aims to improve how doctors detect rejection in transplanted lungs.","Tissue sample quality and diagnostic yield will be measured at baseline, which is the start of the study.",98,"You would undergo a bronchoscopy with transbronchial biopsy, where tissue samples are collected using both methods.","Not stated in the trial record.",[],"v2"]