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{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D019694', 'term': 'Hepatitis B, Chronic'}, {'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': 'D006521', 'term': 'Hepatitis, Chronic'}, {'id': 'D006505', 'term': 'Hepatitis'}, {'id': 'D008107', 'term': 'Liver Diseases'}, {'id': 'D004066', 'term': 'Digestive System Diseases'}, {'id': 'D002908', 'term': 'Chronic Disease'}, {'id': 'D020969', 'term': 'Disease Attributes'}, {'id': 'D010335', 'term': 'Pathologic Processes'}, {'id': 'D013568', 'term': 'Pathological Conditions, Signs and Symptoms'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'C100416', 'term': 'peginterferon alfa-2a'}]}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'SINGLE', 'whoMasked': ['PARTICIPANT']}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'PARALLEL'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 120}}, 'statusModule': {'overallStatus': 'UNKNOWN', 'lastKnownStatus': 'RECRUITING', 'startDateStruct': {'date': '2016-01'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2017-07', 'completionDateStruct': {'date': '2017-12', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2017-07-10', 'studyFirstSubmitDate': '2017-07-03', 'studyFirstSubmitQcDate': '2017-07-04', 'lastUpdatePostDateStruct': {'date': '2017-07-12', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2017-07-07', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2017-12', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'the changes of Treg Cells', 'timeFrame': 'after treatment 24 weeks.', 'description': 'Treg Cells will be measured by flow cytometry after Pegylated Interferon α-2a and entecavir(ETV) Treatment 24weeks.'}], 'secondaryOutcomes': [{'measure': 'the change of HBVDNA levels (IU/ML)', 'timeFrame': 'afte treatment 48 weeks', 'description': 'the curative effect of antiviral therapy will be evaluated by HBV DNA levels'}, {'measure': 'the change of ALT levels(U/L)', 'timeFrame': 'afte treatment 48 weeks', 'description': 'the curative effect of antiviral therapy will be evaluated by ALT levels'}, {'measure': 'the change of AST levels(U/L)', 'timeFrame': 'afte treatment 48 weeks', 'description': 'the curative effect of antiviral therapy will be evaluated by AST levels'}, {'measure': 'the change of HBsAg levels (IU/ML)', 'timeFrame': 'afte treatment 48 weeks', 'description': 'the curative effect of antiviral therapy will be evaluated by HBsAg levels'}, {'measure': 'the change of HBeAg levels (IU/ML)', 'timeFrame': 'afte treatment 48 weeks', 'description': 'the curative effect of antiviral therapy will be evaluated by HBeAg levels'}]}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'keywords': ['chronic hepatitis B', 'hepatitis B virus', 'Treg Cells', 'Pegylated Interferon α-2a', 'Nucleoside Analogues'], 'conditions': ['Chronic Hepatitis B Infection']}, 'descriptionModule': {'briefSummary': 'Pegylated interferon α-2a(Peg-IFN-α) not only inhibit viral replication, but also play an important role in immune regulation, while Nucleoside analog(ue) drugs only inhibit viral replication. In hepatitis B infection, Treg cells Regulatory T cells played a negative role in immune. This study was aimed at investigating the changes of Treg cells frequency and function, and the expression of costimulatory molecules during Peg-IFN-αand nucleoside analog(ue) therapy.Meanwhile, the investigators wanted to verify whether Peg-IFN-α suppressed the virus, which led to the decline of Treg cells frequency and function;negative regulation of Tregs for immune cells diminished, hence, the function of immune cells recovered.', 'detailedDescription': 'Pegylated interferon α-2a(Peg-IFN-α)and Nucleoside analog(ue) drugs can inhibit viral replication , but Peg-IFN-α also play an important role in immune regulation . In hepatitis B infection, Treg cells play an important role in immune regulation.Peg-IFN-α recommended as the first-line treatment has a higher chance to achieve HBeAg seroconversion and even HBsAg disappearance than nucleoside analog(ue) drugs, which may be related to the functional activation of Treg cells in the case of hepatitis and the function enhancement of Treg cells during Peg-IFN-α therapy. This study was aimed at investigating the changes of Treg cells frequency and function, and the expression of costimulatory molecules during Peg-IFN-αand nucleoside analog(ue) therapy.Meanwhile, the investigators wanted to verify whether Peg-IFN-α suppressed the virus, which led to the decline of Treg cells frequency and function;negative regulation of Tregs for immune cells diminished, hence, the function of immune cells recovered.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT'], 'maximumAge': '60 Years', 'minimumAge': '20 Years', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* HBsAg and HBeAg positive for more than 6 months, HBV DNA detectable with ALT level abnormal lasted for three months and at least time190 IU/L or liver puncture biopsy demonstrated apparent inflammation, never treated before enrolled.\n\nExclusion Criteria:\n\n* Active consumption of alcohol and/or drugs\n* Co-infection with human immunodeficiency virus, hepatitis C virus, or hepatitis D virus\n* History of autoimmune hepatitis\n* Psychiatric disease\n* Evidence of neoplastic diseases of the liver'}, 'identificationModule': {'nctId': 'NCT03210493', 'briefTitle': 'The Changes of Treg Cells Frequency and Function During Antiviral Therapy', 'organization': {'class': 'OTHER', 'fullName': 'Beijing Ditan Hospital'}, 'officialTitle': 'The Changes of Treg Cells Frequency and Function During Pegylated Interferon α-2a and Nucleoside Analogues Treatment in Patients With Chronic Hepatitis B', 'orgStudyIdInfo': {'id': 'DTXY015'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'experimental group', 'description': 'patients who were untreated ever in immune-active phase were given subcutaneous injection of Peginterferon Alfa-2a with starting dose of 180 mg/weekly till 48 weeks.', 'interventionNames': ['Drug: Peginterferon Alfa-2a']}, {'type': 'NO_INTERVENTION', 'label': 'control group', 'description': 'patients who were untreated ever in immune-active phase took Nucleoside Analogues for maintenance treatment.'}], 'interventions': [{'name': 'Peginterferon Alfa-2a', 'type': 'DRUG', 'otherNames': ['Peg-IFN-α'], 'description': 'patients untreated in immune-active phase were given subcutaneous injection of Peginterferon Alfa-2a with starting dose of 180 mg/weekly in experiment group', 'armGroupLabels': ['experimental group']}]}, 'contactsLocationsModule': {'locations': [{'zip': '100015', 'city': 'Beijing', 'state': 'Beijing Municipality', 'status': 'RECRUITING', 'country': 'China', 'contacts': [{'name': 'Yao Xie, doctor', 'role': 'CONTACT', 'email': 'xieyao00120184@sina.com', 'phone': '8613501093293'}, {'name': 'Yao Xie, doctor', 'role': 'PRINCIPAL_INVESTIGATOR'}], 'facility': 'Beijing Ditan hospital,Capital Medical University', 'geoPoint': {'lat': 39.9075, 'lon': 116.39723}}], 'centralContacts': [{'name': 'Yao Xie, MD', 'role': 'CONTACT', 'email': 'xieyao00120184@sina.com', 'phone': '8610-84322489'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Beijing Ditan Hospital', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Head of liver diseases center', 'investigatorFullName': 'Yao Xie', 'investigatorAffiliation': 'Beijing Ditan Hospital'}}}}