Raw JSON
{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24', 'submissionTracking': {'firstMcpInfo': {'postDateStruct': {'date': '2021-04-14', 'type': 'ACTUAL'}}}}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'firasayafi@uky.edu', 'phone': '8593236193', 'title': 'Ridge Preservation with Leukocyte Platelet Rich Fibrin: A Clinical, Radiographic, and Histomorphomet', 'organization': 'University of Kentucky'}, 'certainAgreement': {'piSponsorEmployee': False, 'restrictiveAgreement': False}}, 'adverseEventsModule': {'timeFrame': "Adverse event data collection was performed over 14 weeks for each patient, The patient's visits included: • Baseline visit. • Week-one visit. • Week-four visit. • Week-twelve visit. • Week-fourteen visit. All procedures described above were standard of care except for bone core biopsy which was research related.", 'description': 'Subjects were monitored for any adverse reactions throughout the study. All adverse events were managed and documented by the principal investigator.', 'eventGroups': [{'id': 'EG000', 'title': 'Control Group', 'description': 'Under the effect of local anesthetic tooth will be extracted then a d-PTFE membrane will be used to cover the socket without any bone graft material to preserve the ridge.\n\nd-PTFE membrane: Following tooth extraction, the socket will be covered with a d-PTFE membrane', 'otherNumAtRisk': 12, 'deathsNumAtRisk': 12, 'otherNumAffected': 0, 'seriousNumAtRisk': 12, 'deathsNumAffected': 0, 'seriousNumAffected': 0}, {'id': 'EG001', 'title': 'Test Group', 'description': "Under the effect of local anesthetic tooth extraction will be followed by the collection of about 50 ml of the patient's venous blood, then without adding any anticougulant the blood will be spun to make a plug. The Leukocyte platelet rich fibrin plug + d-PTFE membrane will be used to preserve the ridge.\n\nLeukocyte platelet rich fibrin plug + d-PTFE membrane: Following tooth extraction, an autologous leukocyte platelet rich fibrin plug will be placed in the socket and covered with a d-PTFE membrane", 'otherNumAtRisk': 15, 'deathsNumAtRisk': 15, 'otherNumAffected': 0, 'seriousNumAtRisk': 15, 'deathsNumAffected': 0, 'seriousNumAffected': 0}], 'frequencyThreshold': '0'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': 'Quality of the Newly Formed Bone', 'denoms': [{'units': 'Participants', 'counts': [{'value': '11', 'groupId': 'OG000'}, {'value': '11', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Control Group', 'description': 'Under the effect of local anesthetic tooth will be extracted then a d-PTFE membrane will be used to cover the socket without any bone graft material to preserve the ridge.\n\nd-PTFE membrane: Following tooth extraction, the socket will be covered with a d-PTFE membrane'}, {'id': 'OG001', 'title': 'Test Group', 'description': "Under the effect of local anesthetic tooth extraction will be followed by the collection of about 50 ml of the patient's venous blood, then without adding any anticougulant the blood will be spun to make a plug. The Leukocyte platelet rich fibrin plug + d-PTFE membrane will be used to preserve the ridge.\n\nLeukocyte platelet rich fibrin plug + d-PTFE membrane: Following tooth extraction, an autologous leukocyte platelet rich fibrin plug will be placed in the socket and covered with a d-PTFE membrane"}], 'classes': [{'categories': [{'measurements': [{'value': '24.14', 'spread': '16.26', 'groupId': 'OG000'}, {'value': '19.12', 'spread': '10.57', 'groupId': 'OG001'}]}]}], 'paramType': 'MEAN', 'timeFrame': 'The bone sample was harvested at 14 weeks from the baseline visit (extraction of tooth).', 'description': 'Histomorphometric analysis will be performed on a bone core sample harvested at the time of implant placement.', 'unitOfMeasure': 'Percentage of newly formed bone', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}, {'type': 'SECONDARY', 'title': 'Dimensional Changes of the Alveolar Ridge (Ridge Width)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '11', 'groupId': 'OG000'}, {'value': '11', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Control Group', 'description': 'Under the effect of local anesthetic tooth will be extracted then a d-PTFE membrane will be used to cover the socket without any bone graft material to preserve the ridge.\n\nd-PTFE membrane: Following tooth extraction, the socket will be covered with a d-PTFE membrane'}, {'id': 'OG001', 'title': 'Test Group', 'description': "Under the effect of local anesthetic tooth extraction will be followed by the collection of about 50 ml of the patient's venous blood, then without adding any anticougulant the blood will be spun to make a plug. The Leukocyte platelet rich fibrin plug + d-PTFE membrane will be used to preserve the ridge.\n\nLeukocyte platelet rich fibrin plug + d-PTFE membrane: Following tooth extraction, an autologous leukocyte platelet rich fibrin plug will be placed in the socket and covered with a d-PTFE membrane"}], 'classes': [{'categories': [{'measurements': [{'value': '0.81', 'spread': '0.59', 'groupId': 'OG000'}, {'value': '1.22', 'spread': '0.97', 'groupId': 'OG001'}]}]}], 'paramType': 'MEAN', 'timeFrame': 'The baseline CBCT after tooth extraction and 12 weeks CBCT after extraction.', 'description': 'Two Cone Bean Computerized Tomography (CBCT) measurements were compared to perform the analysis.', 'unitOfMeasure': 'mm', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Control Group', 'description': 'Under the effect of local anesthetic tooth will be extracted then a d-PTFE membrane will be used to cover the socket without any bone graft material to preserve the ridge.\n\nd-PTFE membrane: Following tooth extraction, the socket will be covered with a d-PTFE membrane'}, {'id': 'FG001', 'title': 'Test Group', 'description': "Under the effect of local anesthetic tooth extraction will be followed by the collection of about 50 ml of the patient's venous blood, then without adding any anticougulant the blood will be spun to make a plug. The Leukocyte platelet rich fibrin plug + d-PTFE membrane will be used to preserve the ridge.\n\nLeukocyte platelet rich fibrin plug + d-PTFE membrane: Following tooth extraction, an autologous leukocyte platelet rich fibrin plug will be placed in the socket and covered with a d-PTFE membrane"}], 'periods': [{'title': 'Overall Study', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '12'}, {'groupId': 'FG001', 'numSubjects': '15'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '11'}, {'groupId': 'FG001', 'numSubjects': '11'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '1'}, {'groupId': 'FG001', 'numSubjects': '4'}]}]}], 'recruitmentDetails': 'All patients were recruited from the University of Kentucky College of Dentistry clinics between Mar 2018 and Dec 2019.'}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '12', 'groupId': 'BG000'}, {'value': '15', 'groupId': 'BG001'}, {'value': '27', 'groupId': 'BG002'}]}], 'groups': [{'id': 'BG000', 'title': 'Control Group', 'description': 'Under the effect of local anesthetic tooth will be extracted then a d-PTFE membrane will be used to cover the socket without any bone graft material to preserve the ridge.\n\nd-PTFE membrane: Following tooth extraction, the socket will be covered with a d-PTFE membrane'}, {'id': 'BG001', 'title': 'Test Group', 'description': "Under the effect of local anesthetic tooth extraction will be followed by the collection of about 50 ml of the patient's venous blood, then without adding any anticougulant the blood will be spun to make a plug. The Leukocyte platelet rich fibrin plug + d-PTFE membrane will be used to preserve the ridge.\n\nLeukocyte platelet rich fibrin plug + d-PTFE membrane: Following tooth extraction, an autologous leukocyte platelet rich fibrin plug will be placed in the socket and covered with a d-PTFE membrane"}, {'id': 'BG002', 'title': 'Total', 'description': 'Total of all reporting groups'}], 'measures': [{'title': 'Age, Categorical', 'classes': [{'categories': [{'title': '<=18 years', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Between 18 and 65 years', 'measurements': [{'value': '3', 'groupId': 'BG000'}, {'value': '3', 'groupId': 'BG001'}, {'value': '6', 'groupId': 'BG002'}]}, {'title': '>=65 years', 'measurements': [{'value': '9', 'groupId': 'BG000'}, {'value': '12', 'groupId': 'BG001'}, {'value': '21', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '5', 'groupId': 'BG000'}, {'value': '8', 'groupId': 'BG001'}, {'value': '13', 'groupId': 'BG002'}]}, {'title': 'Male', 'measurements': [{'value': '7', 'groupId': 'BG000'}, {'value': '7', 'groupId': 'BG001'}, {'value': '14', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Ethnicity (NIH/OMB)', 'classes': [{'categories': [{'title': 'Hispanic or Latino', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Not Hispanic or Latino', 'measurements': [{'value': '12', 'groupId': 'BG000'}, {'value': '15', 'groupId': 'BG001'}, {'value': '27', 'groupId': 'BG002'}]}, {'title': 'Unknown or Not Reported', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Race (NIH/OMB)', 'classes': [{'categories': [{'title': 'American Indian or Alaska Native', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Asian', 'measurements': [{'value': '2', 'groupId': 'BG000'}, {'value': '1', 'groupId': 'BG001'}, {'value': '3', 'groupId': 'BG002'}]}, {'title': 'Native Hawaiian or Other Pacific Islander', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Black or African American', 'measurements': [{'value': '1', 'groupId': 'BG000'}, {'value': '1', 'groupId': 'BG001'}, {'value': '2', 'groupId': 'BG002'}]}, {'title': 'White', 'measurements': [{'value': '9', 'groupId': 'BG000'}, {'value': '13', 'groupId': 'BG001'}, {'value': '22', 'groupId': 'BG002'}]}, {'title': 'More than one race', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Unknown or Not Reported', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Region of Enrollment', 'classes': [{'title': 'United States', 'categories': [{'measurements': [{'value': '12', 'groupId': 'BG000'}, {'value': '15', 'groupId': 'BG001'}, {'value': '27', 'groupId': 'BG002'}]}]}], 'paramType': 'NUMBER', 'unitOfMeasure': 'participants'}]}}, 'documentSection': {'largeDocumentModule': {'largeDocs': [{'date': '2018-03-04', 'size': 1009579, 'label': 'Study Protocol and Informed Consent Form', 'hasIcf': True, 'hasSap': False, 'filename': 'Prot_ICF_000.pdf', 'typeAbbrev': 'Prot_ICF', 'uploadDate': '2018-03-22T10:18', 'hasProtocol': True}, {'date': '2020-03-11', 'size': 211482, 'label': 'Statistical Analysis Plan', 'hasIcf': False, 'hasSap': True, 'filename': 'SAP_001.pdf', 'typeAbbrev': 'SAP', 'uploadDate': '2021-03-20T09:23', 'hasProtocol': False}]}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'PARALLEL'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 27}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2018-03-26', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2021-05', 'completionDateStruct': {'date': '2020-06-30', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2021-05-20', 'studyFirstSubmitDate': '2018-03-14', 'resultsFirstSubmitDate': '2021-03-20', 'studyFirstSubmitQcDate': '2018-03-27', 'lastUpdatePostDateStruct': {'date': '2021-05-24', 'type': 'ACTUAL'}, 'resultsFirstSubmitQcDate': '2021-05-20', 'studyFirstPostDateStruct': {'date': '2018-04-04', 'type': 'ACTUAL'}, 'resultsFirstPostDateStruct': {'date': '2021-05-24', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2020-03-30', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Quality of the Newly Formed Bone', 'timeFrame': 'The bone sample was harvested at 14 weeks from the baseline visit (extraction of tooth).', 'description': 'Histomorphometric analysis will be performed on a bone core sample harvested at the time of implant placement.'}], 'secondaryOutcomes': [{'measure': 'Dimensional Changes of the Alveolar Ridge (Ridge Width)', 'timeFrame': 'The baseline CBCT after tooth extraction and 12 weeks CBCT after extraction.', 'description': 'Two Cone Bean Computerized Tomography (CBCT) measurements were compared to perform the analysis.'}]}, 'oversightModule': {'oversightHasDmc': True, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': True}, 'conditionsModule': {'keywords': ['Platelet-Rich Fibrin', 'high-density polytetrafluoroethylene membrane'], 'conditions': ['Alveolar Ridge Preservation', 'Tooth Extraction']}, 'descriptionModule': {'briefSummary': 'This 14 weeks longitudinal study will be conducted from March 2018 to June 2020, with a 40 participants. No subjects has received placebo medication at any point in the research procedures.\n\nNull hypothesis: The use of L-PRF plug, in combination with non-resorbable, open barrier membrane technique to fill the extraction sockets will have no effect on the quality of the newly formed bone nor on the dimensional changes of the ridge, compared to non-resorbable, open barrier membrane technique with natural blood clot.', 'detailedDescription': 'This 14 weeks longitudinal study was conducted from March 2018 to June 2020, with a 27 participants. No subjects has received placebo medication at any point in the research procedures.\n\nThe proposed sample population has been recruited from the patient population of the University of Kentucky College of Dentistry clinics and the patient must have had an unsalvageable tooth that was planned for extraction and delayed implant placement and was assigned into a control group and a test group by chance. Fifteen extraction socket sites of the test group were filled with autogenous L-PRF Plug (Intralock) and d-PTFE membrane (Cytoplast) was laid on the top to seal the extraction socket. In the control group, d-PTFE membrane (Cytoplast) was laid on the top of twelve extraction sockets to allow natural blood clot formation in the extraction socket.\n\nThe primary aim is to assess the quality of the newly formed bone at 14 weeks the time of implant placement by comparing the percentage of new vital bone in the histomorphometric analysis. The second aim was to assess the horizontal and vertical changes of the residual bony ridge using Cone Bean Computerized Tomography (CBCT) analysis at baseline immediately after tooth extraction at 12 weeks of healing.\n\nNull hypothesis: The use of L-PRF plug, in combination with non-resorbable, open barrier membrane technique to fill the extraction sockets will have no effect on the quality of the newly formed bone nor on the dimensional changes of the ridge, compared to non-resorbable, open barrier membrane technique with natural blood clot.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'maximumAge': '80 Years', 'minimumAge': '18 Years', 'healthyVolunteers': True, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* The subject must have an unsalvageable tooth that is planned for extraction and delayed implant placement.\n* The tooth should be free of acute odontogenic infections.\n* Extraction sockets with minimal to moderate bony defect.\n\nExclusion Criteria:\n\n* Any patient who is planned for full mouth extraction.\n* Heavy smoker (more than 10 cigarettes a day).\n* History of malignancy, chemotherapy, radiation therapy.\n* Immunosuppressive disease.\n* Uncontrolled systemic disease.\n* Any contraindications to surgical procedures.\n* Females who are pregnant or breastfeeding.\n* For multi-rooted teeth, if the most coronal part of the interradicular septum is less than 5 mm below the crest of the bone.'}, 'identificationModule': {'nctId': 'NCT03487718', 'briefTitle': 'A 14 Weeks Longitudinal Study to Investigate the Effect of Leukocyte- Platelet Rich Fibrin Plug on the Quality of the Newly Formed Bone in Ridge Preservation Procedure Following a Tooth Extraction. It is a Clinical, Radiographic and Histomorphometric Study.', 'organization': {'class': 'OTHER', 'fullName': 'University of Kentucky'}, 'officialTitle': 'Ridge Preservation With Leukocyte Platelet Rich Fibrin: A Clinical, Radiographic, and Histomorphometric Study.', 'orgStudyIdInfo': {'id': '17-0815-F2L'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'ACTIVE_COMPARATOR', 'label': 'Control group', 'description': 'Under the effect of local anesthetic tooth will be extracted then a d-PTFE membrane will be used to cover the socket without any bone graft material to preserve the ridge.', 'interventionNames': ['Device: d-PTFE membrane']}, {'type': 'EXPERIMENTAL', 'label': 'Test group', 'description': "Under the effect of local anesthetic tooth extraction will be followed by the collection of about 50 ml of the patient's venous blood, then without adding any anticougulant the blood will be spun to make a plug. The Leukocyte platelet rich fibrin plug + d-PTFE membrane will be used to preserve the ridge.", 'interventionNames': ['Biological: Leukocyte platelet rich fibrin plug + d-PTFE membrane']}], 'interventions': [{'name': 'Leukocyte platelet rich fibrin plug + d-PTFE membrane', 'type': 'BIOLOGICAL', 'description': 'Following tooth extraction, an autologous leukocyte platelet rich fibrin plug will be placed in the socket and covered with a d-PTFE membrane', 'armGroupLabels': ['Test group']}, {'name': 'd-PTFE membrane', 'type': 'DEVICE', 'otherNames': ['Cytoplast'], 'description': 'Following tooth extraction, the socket will be covered with a d-PTFE membrane', 'armGroupLabels': ['Control group']}]}, 'contactsLocationsModule': {'locations': [{'zip': '40536', 'city': 'Lexington', 'state': 'Kentucky', 'country': 'United States', 'facility': 'Univerisity of Kentucky College of Dentistry', 'geoPoint': {'lat': 37.98869, 'lon': -84.47772}}], 'overallOfficials': [{'name': 'Mhdfiras Al Yafi, DDS', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'University of Kentucky College of Dentistry'}]}, 'ipdSharingStatementModule': {'ipdSharing': 'NO'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Firas Al Yafi', 'class': 'OTHER'}, 'responsibleParty': {'type': 'SPONSOR_INVESTIGATOR', 'investigatorTitle': 'Periodontology Resident', 'investigatorFullName': 'Firas Al Yafi', 'investigatorAffiliation': 'University of Kentucky'}}}}