Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2026-03-25'}, 'conditionBrowseModule': {'meshes': [{'id': 'D008545', 'term': 'Melanoma'}, {'id': 'D001943', 'term': 'Breast Neoplasms'}, {'id': 'D006258', 'term': 'Head and Neck Neoplasms'}], 'ancestors': [{'id': 'D018358', 'term': 'Neuroendocrine Tumors'}, {'id': 'D017599', 'term': 'Neuroectodermal Tumors'}, {'id': 'D009373', 'term': 'Neoplasms, Germ Cell and Embryonal'}, {'id': 'D009370', 'term': 'Neoplasms by Histologic Type'}, {'id': 'D009369', 'term': 'Neoplasms'}, {'id': 'D009380', 'term': 'Neoplasms, Nerve Tissue'}, {'id': 'D018326', 'term': 'Nevi and Melanomas'}, {'id': 'D012878', 'term': 'Skin Neoplasms'}, {'id': 'D009371', 'term': 'Neoplasms by Site'}, {'id': 'D012871', 'term': 'Skin Diseases'}, {'id': 'D017437', 'term': 'Skin and Connective Tissue Diseases'}, {'id': 'D001941', 'term': 'Breast Diseases'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'C069727', 'term': 'Sonazoid'}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE2', 'PHASE3'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'NA', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'DIAGNOSTIC', 'interventionModel': 'SINGLE_GROUP'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 91}}, 'statusModule': {'overallStatus': 'RECRUITING', 'startDateStruct': {'date': '2025-09-18', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2025-12', 'completionDateStruct': {'date': '2026-09-18', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2025-12-16', 'studyFirstSubmitDate': '2025-12-16', 'studyFirstSubmitQcDate': '2025-12-16', 'lastUpdatePostDateStruct': {'date': '2025-12-30', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2025-12-30', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2026-09-18', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Sensitivity of the CEUS SN localization method', 'timeFrame': '1 day', 'description': 'To assess the sensitivity of CEUS for intra-operative SN localization compared to the gold standard (99mTc nanocolloid). Could CEUS replace the conventional radioactive technetium method?'}], 'secondaryOutcomes': [{'measure': 'Specificity of the CEUS SN localization method', 'timeFrame': '1 day', 'description': 'Specificity of CEUS for intra-operative SN localization compared to the gold standard (99mTc nanocolloid)'}, {'measure': 'Time in minutes', 'timeFrame': '1 day', 'description': 'Time required to localize the SNs using CEUS.'}, {'measure': 'System-usability score (SUS) and questionnaire for the surgeon.', 'timeFrame': '1 day', 'description': 'Intraoperative usability of the CEUS-system.'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'keywords': ['contrast-enhanced ultrasound'], 'conditions': ['Melanoma', 'Breast Cancer', 'Head & Neck Cancer']}, 'descriptionModule': {'briefSummary': 'This is a prospective single-center interventional non-inferiority study where subjects are participating for one day for patients 18 years or older with melanoma, breast cancer or head \\& neck cancer (including melanoma of head and neck area) and scheduled for a surgical SN procedure in the NKI-AvL without any contra-indication for Sonazoid contrast agent, such as an allergy to eggs or egg products. The primary objective is to assess the sensitivity of CEUS for intra-operative SN localization compared to the gold standard (99mTc nanocolloid). Secondary objectives are the specificity of CEUS for intra-operative SN localization, the time required to localize the SNs using CEUS and intraoperative usability of the CEUS-system. The primary endpoint is the sensitivity of the CEUS SN localization method. The conventional gamma probe will be used as ground truth comparison.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Aged 18 years or older\n* Patient has been diagnosed with cancer in the skin (melanoma), breast or head \\& neck (including melanoma of head and neck area)\n* In case of a melanoma: it should be located in the limbs or head and neck area\n* Scheduled for a surgical SN procedure at the NKI-AvL\n* Patient provides written informed consent\n\nExclusion Criteria:\n\n* Pregnancy\n* Any known clinically significant acute hypersensitivity reaction to the study medication, such as eggs or egg products\n* Other contra-indications for Sonazoid contrast agent, including arteriovenous cardiac or pulmonary shunt, serious coronary arterial disease and serious pulmonary disease'}, 'identificationModule': {'nctId': 'NCT07310758', 'briefTitle': 'Contrast-enhanced Ultrasound for Sentinel Node Detection', 'organization': {'class': 'OTHER', 'fullName': 'The Netherlands Cancer Institute'}, 'officialTitle': 'Contrast-enhanced Ultrasound for Sentinel Node Detection in Patients With Melanoma, Breast Cancer or Head & Neck Cancer', 'orgStudyIdInfo': {'id': 'N24CUS'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'OTHER', 'label': 'Intra-operative Sonazoid injection', 'interventionNames': ['Drug: Sonazoid']}], 'interventions': [{'name': 'Sonazoid', 'type': 'DRUG', 'description': 'Intradermal injection of the ultrasound contrast agent Sonazoid.', 'armGroupLabels': ['Intra-operative Sonazoid injection']}]}, 'contactsLocationsModule': {'locations': [{'zip': '1066 CX', 'city': 'Amsterdam', 'state': 'North Holland', 'status': 'RECRUITING', 'country': 'Netherlands', 'contacts': [{'name': 'Marijn Hiep', 'role': 'CONTACT', 'email': 'ma.hiep@nki.nl', 'phone': '+31205121751'}], 'facility': 'Netherlands Cancer Institute', 'geoPoint': {'lat': 52.37403, 'lon': 4.88969}}], 'centralContacts': [{'name': 'Marijn Hiep', 'role': 'CONTACT', 'email': 'ma.hiep@nki.nl', 'phone': '+31205121751'}], 'overallOfficials': [{'name': 'Quirijn Tummers', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'The Netherlands Cancer Institute'}]}, 'ipdSharingStatementModule': {'ipdSharing': 'UNDECIDED'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'The Netherlands Cancer Institute', 'class': 'OTHER'}, 'collaborators': [{'name': 'GE Healthcare', 'class': 'INDUSTRY'}], 'responsibleParty': {'type': 'SPONSOR'}}}}