Viewing Study NCT01621451


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Study NCT ID: NCT01621451
Status: UNKNOWN
Last Update Posted: 2012-11-22
First Post: 2012-06-13
Is NOT Gene Therapy: True
Has Adverse Events: False

Brief Title: Does Early Re-administration of Aspirin/Clopidogrel Increase the Risk of Bleeding From Artificial Ulcer After EMR or ESD?
Sponsor:
Organization:

Raw JSON

{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D013274', 'term': 'Stomach Neoplasms'}], 'ancestors': [{'id': 'D005770', 'term': 'Gastrointestinal Neoplasms'}, {'id': 'D004067', 'term': 'Digestive System Neoplasms'}, {'id': 'D009371', 'term': 'Neoplasms by Site'}, {'id': 'D009369', 'term': 'Neoplasms'}, {'id': 'D004066', 'term': 'Digestive System Diseases'}, {'id': 'D005767', 'term': 'Gastrointestinal Diseases'}, {'id': 'D013272', 'term': 'Stomach Diseases'}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE4'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'PARALLEL'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 400}}, 'statusModule': {'overallStatus': 'UNKNOWN', 'lastKnownStatus': 'ENROLLING_BY_INVITATION', 'startDateStruct': {'date': '2012-06'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2012-11', 'completionDateStruct': {'date': '2014-06', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2012-11-20', 'studyFirstSubmitDate': '2012-06-13', 'studyFirstSubmitQcDate': '2012-06-15', 'lastUpdatePostDateStruct': {'date': '2012-11-22', 'type': 'ESTIMATED'}, 'studyFirstPostDateStruct': {'date': '2012-06-18', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2014-05', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'delayed ulcer bleeding', 'timeFrame': '4 weeks'}], 'secondaryOutcomes': [{'measure': 'ulcer healing rate', 'timeFrame': '4 weeks'}]}, 'oversightModule': {'oversightHasDmc': True}, 'conditionsModule': {'conditions': ['Early Gastric Cancer', 'Gastric Dysplasia']}, 'descriptionModule': {'briefSummary': 'Aspirin and/or clopidogrel users are increasing due to increased prevalence of cardiovascular or cerebrovascular disease with an aging society in Korea. Also, the patients having endoscopic mucosal resection (EMR) or endoscopic submucosal dissection (ESD) for early gastric cancer or gastric premalignant lesions including adenoma and dysplasia are increasing among aspirin and/or clopidogrel users. Practically, aspirin or clopidogrel is recommended to be stopped for 5\\~14 days before EMR or ESD because bleeding risk during or after procedure. And it is recommended to restart of aspirin and/or clopidogrel as soon as possible if immediate bleeding during or after the procedure is not occurred in consideration of thromboembolic risk. However, early restarting of aspirin and/or clopidogrel raise the risk of delayed bleeding and the risk of complications associated with delayed ulcer healing. Although it is important to determine the timing of restarting aspirin and/or clopidogrel in consideration of complications of post-EMR/ESD ulcer and thromboembolic risk, there is no definite guideline about the timing of restarting aspirin and/or clopidogrel.\n\nThis study is aimed to determine the timing of restarting aspirin and/or clopidogrel for the patients having EMR or ESD among aspirin and/or clopidogrel users. The investigators planned to compare the delayed bleeding rate and ulcer healing rate in patients with post-EMR/ESD ulcer when take proton pump inhibitor (pantoprazole 40 mg per day) between the patients restarting aspirin and/or clopidogrel within 3\\~4 days after the procedure and the patients restarting aspirin and/or clopidogrel 2 weeks after the procedure during 4 weeks. The primary endpoint is delayed ulcer bleeding rate at 4 weeks after EMR/ESD. The secondary end point is ulcer healing rate within 4 weeks.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'maximumAge': '80 Years', 'minimumAge': '18 Years', 'healthyVolunteers': False, 'eligibilityCriteria': "Inclusion Criteria:\n\n* Patients who have taken aspirin and/or clopidogrel for cardiovascular and/or cerebrovascular disease and are found to have early gastric cancer or premalignant lesions including adenoma and dysplasia by upper endoscopy.\n\nExclusion Criteria:\n\n* Patients with known coagulopathy or abnormal coagulation tests (prothrombin time, partial thromboplastin time and platelet count)\n* Patients receiving other antithrombotic, anticoagulant drugs\n* Patients needing continuation of nonsteroidal anti-inflammatory drugs, cyclooxygenase-2 (COX-2) inhibitors, or steroid after EMR/ESD\n* Patient with recent percutaneous coronary intervention (placement of drug eluting coronary artery stent within 12 months, bare metal coronary artery stents within 1 month)\n* Patient's age \\> 80 year-old or \\< 18 year-old\n* Patient with severe cardiovascular, pulmonary, hepatic, or renal disease"}, 'identificationModule': {'nctId': 'NCT01621451', 'briefTitle': 'Does Early Re-administration of Aspirin/Clopidogrel Increase the Risk of Bleeding From Artificial Ulcer After EMR or ESD?', 'organization': {'class': 'OTHER', 'fullName': 'Asan Medical Center'}, 'officialTitle': 'Does Early Re-administration of Aspirin/Clopidogrel Increase the Risk of Bleeding From Artificial Ulcer After EMR or ESD?', 'orgStudyIdInfo': {'id': 'PZ-1001-403-NS'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'ACTIVE_COMPARATOR', 'label': 'immediate', 'description': 'Patients who receive pantoprazole plus aspirin and/or clopidogrel within 3\\~4 days after EMR/ESD', 'interventionNames': ['Drug: aspirin and/or clopidogrel']}, {'type': 'ACTIVE_COMPARATOR', 'label': '2 weeks', 'description': 'Patients who receive pantoprazole plus aspirin and/or clopidogrel at 2 weeks after EMR/ESD', 'interventionNames': ['Drug: aspirin and/or clopidogrel']}], 'interventions': [{'name': 'aspirin and/or clopidogrel', 'type': 'DRUG', 'description': 'Patients who have taken aspirin and/or clopidogrel and are found to have early gastric cancer or gastric premalignant lesions including adenoma and dysplasia by upper endoscopy will be stopped aspirin and/or clopidogrel for 7 days before EMR/ESD. In immediate group, the patient will receive oral proton pump inhibitor (pantoprazole 40mg per day) for 4 weeks after EMR/ESD to treat their post-EMR/ESD ulcer.', 'armGroupLabels': ['immediate']}, {'name': 'aspirin and/or clopidogrel', 'type': 'DRUG', 'description': 'Patients who have taken aspirin and/or clopidogrel and are found to have early gastric cancer or gastric premalignant lesions including adenoma and dysplasia by upper endoscopy will be stopped aspirin and/or clopidogrel for 7 days before EMR/ESD.\n\nIn 2 weeks group, the patient will receive oral proton pump inhibitor (pantoprazole 40mg per day) for 4 weeks after EMR/ESD to treat their post-EMR/ESD ulcer.', 'armGroupLabels': ['2 weeks']}]}, 'contactsLocationsModule': {'locations': [{'zip': '138-736', 'city': 'Seoul', 'country': 'South Korea', 'facility': 'Asan Medical Center', 'geoPoint': {'lat': 37.566, 'lon': 126.9784}}], 'overallOfficials': [{'name': 'Hwoon-Yong Jung, professor', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'Asan Medical Center'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Asan Medical Center', 'class': 'OTHER'}, 'collaborators': [{'name': 'Takeda', 'class': 'INDUSTRY'}], 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Professor', 'investigatorFullName': 'Hwoon-Yong Jung', 'investigatorAffiliation': 'Asan Medical Center'}}}}