Ignite Creation Date:
2025-12-25 @ 3:40 AM
Ignite Modification Date:
2026-04-15 @ 12:48 AM
Study NCT ID:
NCT05398302
Status:
RECRUITING
Last Update Posted:
2025-05-13
First Post:
2022-05-23
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
Image-Guided Biopsies to Identify Mechanisms of Resistance in Patients With Metastatic Castration Resistant Prostate Cancer Treated With 177Lu-PSMA Radioligand Therapy
Sponsor:
Organization:
Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D011471', 'term': 'Prostatic Neoplasms'}], 'ancestors': [{'id': 'D005834', 'term': 'Genital Neoplasms, Male'}, {'id': 'D014565', 'term': 'Urogenital Neoplasms'}, {'id': 'D009371', 'term': 'Neoplasms by Site'}, {'id': 'D009369', 'term': 'Neoplasms'}, {'id': 'D005832', 'term': 'Genital Diseases, Male'}, {'id': 'D000091662', 'term': 'Genital Diseases'}, {'id': 'D000091642', 'term': 'Urogenital Diseases'}, {'id': 'D011469', 'term': 'Prostatic Diseases'}, {'id': 'D052801', 'term': 'Male Urogenital Diseases'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D061705', 'term': 'Image-Guided Biopsy'}], 'ancestors': [{'id': 'D001706', 'term': 'Biopsy'}, {'id': 'D003581', 'term': 'Cytodiagnosis'}, {'id': 'D003584', 'term': 'Cytological Techniques'}, {'id': 'D019411', 'term': 'Clinical Laboratory Techniques'}, {'id': 'D019937', 'term': 'Diagnostic Techniques and Procedures'}, {'id': 'D003933', 'term': 'Diagnosis'}, {'id': 'D013048', 'term': 'Specimen Handling'}, {'id': 'D003949', 'term': 'Diagnostic Techniques, Surgical'}, {'id': 'D013514', 'term': 'Surgical Procedures, Operative'}, {'id': 'D008919', 'term': 'Investigative Techniques'}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE1'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'NA', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'DIAGNOSTIC', 'interventionModel': 'SINGLE_GROUP'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 30}}, 'statusModule': {'overallStatus': 'RECRUITING', 'startDateStruct': {'date': '2024-04-26', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2025-05', 'completionDateStruct': {'date': '2026-12-31', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2025-05-09', 'studyFirstSubmitDate': '2022-05-23', 'studyFirstSubmitQcDate': '2022-05-26', 'lastUpdatePostDateStruct': {'date': '2025-05-13', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2022-05-31', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2025-12-31', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Proportion of patients with a successful evaluable biopsy with molecular and cellular alterations after radioligand therapy (RLT)', 'timeFrame': 'At the end of cycle 2 before the initiation of cycle 3 of RLT (cycle is six weeks)'}], 'secondaryOutcomes': [{'measure': 'Proportion of patients with gene mutations that might confer resistance to RLT', 'timeFrame': 'At the end of cycle 2 before the initiation of cycle 3 of RLT (cycle is six weeks)'}]}, 'oversightModule': {'isUsExport': False, 'oversightHasDmc': True, 'isFdaRegulatedDrug': True, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'conditions': ['Castration-Resistant Prostate Carcinoma', 'Metastatic Prostate Carcinoma', 'Stage IV Prostate Cancer American Joint Committee on Cancer (AJCC) v8', 'Stage IVA Prostate Cancer AJCC v8', 'Stage IVB Prostate Cancer AJCC v8']}, 'descriptionModule': {'briefSummary': 'This clinical trial studies mechanisms of resistance to 177-lutetium prostate specific membrane antigen (177Lu-PSMA) radioligand therapy using image-guided biopsies in patients with castrate-resistant prostate cancer that had spread to other places in the body (metastatic). Diagnostic procedures, such as image guided biopsies, may help in learning how well 177Lu-PSMA works to kill tumor cells and allow doctors to plan better treatment.', 'detailedDescription': 'PRIMARY OBJECTIVE:\n\nI. Proportion of metastatic castration resistant prostate cancer (mCRPC) patients with molecular and cellular alterations in tumor, immune and stromal cells after radioligand therapy assessed by histopathology/immunohistochemistry, ribonucleic acid (RNA)-sequencing and proteomic/phospho-proteomic analyses of biopsy samples.\n\nSECONDARY OBJECTIVE:\n\nI. Sequencing to identify frequently mutated genes.\n\nOUTLINE:\n\nPatients undergo an image-guided biopsy at baseline and 2-4 weeks after cycle 2 of 177Lu-PSMA-617 therapy.'}, 'eligibilityModule': {'sex': 'MALE', 'stdAges': ['CHILD', 'ADULT', 'OLDER_ADULT'], 'healthyVolunteers': False, 'eligibilityCriteria': "Inclusion Criteria:\n\n* Volunteer patient\n* Histologically confirmed prostate cancer\n* Eligible for 177Lu-PSMA-617 under expanded access protocol (IRB# 21-5010) or as part of an approved trial\n* Based on positron emission tomography (PET)/computed tomography (CT) images: Evidence of lymph node or soft tissue metastatic disease amenable to image-guided biopsy\n* Platelets \\> 75,000/ul within 14 days prior to biopsy\n* Prothrombin time (PT) or International normalized ratio (INR) and a partial thromboplastin time (PTT) \\< 1.5 times the institutional upper limit normal (ULN) within 14 days prior to biopsy\n* Patients on warfarin, aspirin, or other anti-coagulants are eligible provided they are deemed able to tolerate discontinuation of anti-coagulation for one week prior to the biopsy. Conversion to low molecular weight heparin prior to biopsy is permitted per local standard operating procedures, provided there is agreement regarding the procedure between the treating physician, the interventional radiologist and the principal investigator (PI)\n\nExclusion Criteria:\n\n* Patients with significant congenital or acquired bleeding disorders (e.g. von Wildebrand's disease, acquired bleeding factor inhibitors) are not eligible"}, 'identificationModule': {'nctId': 'NCT05398302', 'briefTitle': 'Image-Guided Biopsies to Identify Mechanisms of Resistance in Patients With Metastatic Castration Resistant Prostate Cancer Treated With 177Lu-PSMA Radioligand Therapy', 'organization': {'class': 'OTHER', 'fullName': 'Jonsson Comprehensive Cancer Center'}, 'officialTitle': 'Radiologically Guided Biopsies of Metastatic Castration Resistant Prostate Cancer to Identify Mechanisms of Resistance in Patients Undergoing 177Lu-PSMA Radioligand Therapy', 'orgStudyIdInfo': {'id': '22-000460'}, 'secondaryIdInfos': [{'id': 'NCI-2021-12416', 'type': 'REGISTRY', 'domain': 'CTRP (Clinical Trial Reporting Program)'}]}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'Diagnostic (image-guided biopsy)', 'description': 'Patients undergo an image-guided biopsy at baseline and 2-4 weeks after cycle 2 of 177Lu-PSMA-617 therapy.', 'interventionNames': ['Procedure: Image Guided Biopsy']}], 'interventions': [{'name': 'Image Guided Biopsy', 'type': 'PROCEDURE', 'otherNames': ['Image-Guided Biopsy', 'Imaging Guided Biopsy'], 'description': 'Undergo image-guided biopsy', 'armGroupLabels': ['Diagnostic (image-guided biopsy)']}]}, 'contactsLocationsModule': {'locations': [{'zip': '90095', 'city': 'Los Angeles', 'state': 'California', 'status': 'RECRUITING', 'country': 'United States', 'contacts': [{'name': 'Ankush Sachdeva', 'role': 'CONTACT', 'email': 'asachdeva@mednet.ucla.edu', 'phone': '310-794-3421'}, {'name': 'Johannes Czernin, MD', 'role': 'PRINCIPAL_INVESTIGATOR'}], 'facility': 'UCLA / Jonsson Comprehensive Cancer Center', 'geoPoint': {'lat': 34.05223, 'lon': -118.24368}}], 'centralContacts': [{'name': 'Ankush Sachdeva', 'role': 'CONTACT', 'email': 'asachdeva@mednet.ucla.edu', 'phone': '310-794-3421'}], 'overallOfficials': [{'name': 'Johannes Czernin', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'UCLA / Jonsson Comprehensive Cancer Center'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Jonsson Comprehensive Cancer Center', 'class': 'OTHER'}, 'responsibleParty': {'type': 'SPONSOR'}}}}