Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D006509', 'term': 'Hepatitis B'}], 'ancestors': [{'id': 'D000086982', 'term': 'Blood-Borne Infections'}, {'id': 'D003141', 'term': 'Communicable Diseases'}, {'id': 'D007239', 'term': 'Infections'}, {'id': 'D018347', 'term': 'Hepadnaviridae Infections'}, {'id': 'D004266', 'term': 'DNA Virus Infections'}, {'id': 'D014777', 'term': 'Virus Diseases'}, {'id': 'D006525', 'term': 'Hepatitis, Viral, Human'}, {'id': 'D006505', 'term': 'Hepatitis'}, {'id': 'D008107', 'term': 'Liver Diseases'}, {'id': 'D004066', 'term': 'Digestive System Diseases'}]}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'RETROSPECTIVE', 'observationalModel': 'COHORT'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 5000}, 'patientRegistry': False}, 'statusModule': {'overallStatus': 'UNKNOWN', 'lastKnownStatus': 'ACTIVE_NOT_RECRUITING', 'startDateStruct': {'date': '2021-12-16', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2023-03', 'completionDateStruct': {'date': '2023-12', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2023-03-14', 'studyFirstSubmitDate': '2023-03-02', 'studyFirstSubmitQcDate': '2023-03-02', 'lastUpdatePostDateStruct': {'date': '2023-03-16', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2023-03-14', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2023-12', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'HBV DNA in the blood.', 'timeFrame': 'about 10 minutes per blood test.', 'description': 'Reactivation of HBV is defined when one of these three conditions exist:\n\n1. when Participant has An increase of more than log1 in the concentration of HBV DNA in the blood.\n2. when Participant has A positive HBV DNA result compared to a negative result before starting treatment with Rituximab (anti CD20).\n3. when Participant has HDV (hepatitis D virus) DNA result greater than 20000 IU/mL in the absence of a test before starting treatment\n\n * The HBV DNA concentration at the beginning of the treatment was defined in the time period between six months before the start of the treatment and 30 days after the start of the treatment.'}]}, 'oversightModule': {'oversightHasDmc': True, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'keywords': ['anti CD20', 'Rituximab', 'HBV- hepatitis B virus'], 'conditions': ['Hepatitis B']}, 'descriptionModule': {'briefSummary': 'The goal of this observational study is to test and describe the frequency of hepatitis B virus reactivation in patients who received anti-CD20 drugs for a wide variety of autoimmune and hemato-oncological diseases in order to find out whether a group of patients from a certain field was more sensitive to treatment in this respect than patients from other fields.', 'detailedDescription': "Hepatitis B virus(HBV) is the most common chronic virus worldwide. it causes an infection of the liver (hepatitis B) and it is transmitted from person to person through contact with virus-contaminated blood, through sexual intercourse, and vertically from mother to fetus.\n\nAnti CD20 drug or Rituximab is an anti-CD20 monoclonal antibody on the surface of B lymphocytes, which induces cell death (apoptosis) and thus causes depletion. The main side effects of rituximab are infectious and hypersensitivity reactions. It can also increase the chance of hepatitis B reactivation to the point of acute hepatitis.\n\nThe information for this retrospective study will be collected from clalit health care's databases.\n\nThe patients will be sorted according to the indications for which the treatment with anti-CD20 drugs was given in order to see the differences in the response to the drug in different groups of patient"}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'samplingMethod': 'PROBABILITY_SAMPLE', 'studyPopulation': 'The population of subjects who received anti-CD20 drugs as a treatment for a variety of diseases between the years 2000 to 2021, within Clalit Health care record database.', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* subjects (men and women) of age 18 and above, who received anti-CD20 (Rituximab) drugs as a treatment for a variety of diseases .\n\nExclusion Criteria:\n\n* healthy subjects.\n* subjects under the age 18.\n* subjects who did not receive anti CD20'}, 'identificationModule': {'nctId': 'NCT05768061', 'briefTitle': 'HBV Reactivation in Anti CD20 Treatment', 'organization': {'class': 'OTHER', 'fullName': 'HaEmek Medical Center, Israel'}, 'officialTitle': 'HBV Reactivation in Anti CD20 Treatment', 'orgStudyIdInfo': {'id': '0122-21-COM2'}}, 'contactsLocationsModule': {'locations': [{'zip': '1834111', 'city': 'Afula', 'state': 'Northern District', 'country': 'Israel', 'facility': 'HaEmek Medical Center', 'geoPoint': {'lat': 32.60907, 'lon': 35.2892}}], 'overallOfficials': [{'name': 'Rawi Hazzan, MD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'haemek medical center'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'HaEmek Medical Center, Israel', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Head of liver unit', 'investigatorFullName': 'Rawi Hazzan', 'investigatorAffiliation': 'HaEmek Medical Center, Israel'}}}}