Viewing StudyNCT00762450


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Ignite Modification Date: 2025-12-23 @ 9:57 PM
Study NCT ID: NCT00762450
Status: COMPLETED
Last Update Posted: 2012-03-07
First Post: 2008-09-26
Is Possible Gene Therapy: False
Has Adverse Events: True

Brief Title: Effect on Bacterial Glycolytic Acid Formation on Plaque
Sponsor:
Organization:

Raw JSON

{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-22'}, 'conditionBrowseModule': {'meshes': [{'id': 'D003773', 'term': 'Dental Plaque'}], 'ancestors': [{'id': 'D003741', 'term': 'Dental Deposits'}, {'id': 'D014076', 'term': 'Tooth Diseases'}, {'id': 'D009057', 'term': 'Stomatognathic Diseases'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D014260', 'term': 'Triclosan'}, {'id': 'D005459', 'term': 'Fluorides'}, {'id': 'C546060', 'term': 'hydrated silica gel-based toothpaste'}, {'id': 'D000596', 'term': 'Amino Acids'}], 'ancestors': [{'id': 'D010647', 'term': 'Phenyl Ethers'}, {'id': 'D004987', 'term': 'Ethers'}, {'id': 'D009930', 'term': 'Organic Chemicals'}, {'id': 'D010636', 'term': 'Phenols'}, {'id': 'D001555', 'term': 'Benzene Derivatives'}, {'id': 'D006841', 'term': 'Hydrocarbons, Aromatic'}, {'id': 'D006844', 'term': 'Hydrocarbons, Cyclic'}, {'id': 'D006838', 'term': 'Hydrocarbons'}, {'id': 'D000838', 'term': 'Anions'}, {'id': 'D007477', 'term': 'Ions'}, {'id': 'D004573', 'term': 'Electrolytes'}, {'id': 'D007287', 'term': 'Inorganic Chemicals'}, {'id': 'D006858', 'term': 'Hydrofluoric Acid'}, {'id': 'D017611', 'term': 'Fluorine Compounds'}, {'id': 'D000602', 'term': 'Amino Acids, Peptides, and Proteins'}]}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'William_Devizio@colpal.com', 'phone': '732-878-7901', 'title': 'William De Vizio', 'organization': 'Colgate Palmolive Co.'}, 'certainAgreement': {'restrictionType': 'LTE60', 'piSponsorEmployee': False, 'restrictiveAgreement': True}}, 'adverseEventsModule': {'timeFrame': '6 weeks', 'eventGroups': [{'id': 'EG000', 'title': 'Placebo First, Positive Control Second and Experimental Last', 'otherNumAtRisk': 2, 'otherNumAffected': 0, 'seriousNumAtRisk': 2, 'seriousNumAffected': 0}, {'id': 'EG001', 'title': 'Positive Control First, Experimental Second and Placebo Last', 'otherNumAtRisk': 2, 'otherNumAffected': 0, 'seriousNumAtRisk': 2, 'seriousNumAffected': 0}, {'id': 'EG002', 'title': 'Experimental First, Placebo Second and Positive Control Last', 'otherNumAtRisk': 2, 'otherNumAffected': 0, 'seriousNumAtRisk': 2, 'seriousNumAffected': 0}], 'frequencyThreshold': '0'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': 'ph of Dental Plaque After Sucrose Challenge', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '6', 'groupId': 'OG001'}, {'value': '6', 'groupId': 'OG002'}]}], 'groups': [{'id': 'OG000', 'title': 'Active Comparator'}, {'id': 'OG001', 'title': 'Placebo - Silica Control'}, {'id': 'OG002', 'title': 'Experimental Toothpaste'}], 'classes': [{'categories': [{'measurements': [{'value': '4.88', 'spread': '0.38', 'groupId': 'OG000'}, {'value': '5.04', 'spread': '0.38', 'groupId': 'OG001'}, {'value': '4.98', 'spread': '0.24', 'groupId': 'OG002'}]}]}], 'analyses': [{'pValue': '0.05', 'groupIds': ['OG000', 'OG001', 'OG002'], 'ciPctValue': '95', 'groupDescription': 'The null hypothesis states that there is no difference between groups.', 'statisticalMethod': 'ANOVA', 'nonInferiorityType': 'SUPERIORITY_OR_OTHER', 'statisticalComment': 'paired t-tests', 'testedNonInferiority': False}], 'paramType': 'MEAN', 'timeFrame': '1 week', 'description': 'Panelists rinsed with toothpaste slurry (2 grams of toothpaste dissolved in 10 ml of water) waited 20 minutes and then rinsed with a 10% sucrose solution. Sucrose challenge is used to change the ph in the mouth and help determine if the toothpastes used in this study and control dental plaque growth.', 'unitOfMeasure': 'ph of dental plaque', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Placebo 1st, Active Comparator 2nd and Experimental Last', 'description': 'Order of study treatment toothpastes for the enrolled panelist placed in that treatment group. All panelists brushed their teeth with all study treatments, just the order of appearance changed. All panelists rinsed their mouths with a slurry of the assigned toothpaste three times a day for 7 days.'}, {'id': 'FG001', 'title': 'Active Comparator 1st, Experimental 2nd and Placebo Last', 'description': 'Order of study treatment toothpastes for the enrolled panelist placed in that treatment group. All panelists brushed their teeth with all study treatments, just the order of appearance changed. All panelists rinsed their mouths with a slurry of the assigned toothpaste three times a day for 7 days.'}, {'id': 'FG002', 'title': 'Experimental 1st, Placebo 2nd and Active Comparator Last', 'description': 'Order of study treatment toothpastes for the enrolled panelist placed in that treatment group. All panelists brushed their teeth with all study treatments, just the order of appearance changed. All panelists rinsed their mouths with a slurry of the assigned toothpaste three times a day for 7 days.'}], 'periods': [{'title': '1st Treatment Period', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '0'}, {'groupId': 'FG002', 'numSubjects': '0'}]}]}, {'title': 'Washout After 1st Treatment Period', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '0'}, {'groupId': 'FG002', 'numSubjects': '0'}]}]}, {'title': '2nd Treatment Period', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '0'}, {'groupId': 'FG002', 'numSubjects': '0'}]}]}, {'title': 'Washout After 2nd Treatment Period', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '0'}, {'groupId': 'FG002', 'numSubjects': '0'}]}]}, {'title': '3rd Treatment Period', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}, {'groupId': 'FG002', 'numSubjects': '2'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '0'}, {'groupId': 'FG002', 'numSubjects': '0'}]}]}], 'recruitmentDetails': 'subjects are recruited by the PI at the clinical site', 'preAssignmentDetails': 'subjects are screened for medical and oral health criteria and start a 1 week washout period.'}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '2', 'groupId': 'BG000'}, {'value': '2', 'groupId': 'BG001'}, {'value': '2', 'groupId': 'BG002'}, {'value': '6', 'groupId': 'BG003'}]}], 'groups': [{'id': 'BG000', 'title': 'Placebo First, Positive Control Second and Experimental Last'}, {'id': 'BG001', 'title': 'Positive Control First, Experimental Second and Placebo Last'}, {'id': 'BG002', 'title': 'Experimental First, Placebo Second and Positive Control Last'}, {'id': 'BG003', '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'}, {'value': '0', 'groupId': 'BG003'}]}, {'title': 'Between 18 and 65 years', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '0', 'groupId': 'BG003'}]}, {'title': '>=65 years', 'measurements': [{'value': '2', 'groupId': 'BG000'}, {'value': '2', 'groupId': 'BG001'}, {'value': '2', 'groupId': 'BG002'}, {'value': '6', 'groupId': 'BG003'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Age Continuous', 'classes': [{'categories': [{'measurements': [{'value': '76.5', 'spread': '3.5', 'groupId': 'BG000'}, {'value': '77.5', 'spread': '0.7', 'groupId': 'BG001'}, {'value': '73.5', 'spread': '2.1', 'groupId': 'BG002'}, {'value': '75.8', 'spread': '2.6', 'groupId': 'BG003'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'years', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '1', 'groupId': 'BG000'}, {'value': '2', 'groupId': 'BG001'}, {'value': '1', 'groupId': 'BG002'}, {'value': '4', 'groupId': 'BG003'}]}, {'title': 'Male', 'measurements': [{'value': '1', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '1', 'groupId': 'BG002'}, {'value': '2', 'groupId': 'BG003'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Region of Enrollment', 'classes': [{'title': 'Switzerland', 'categories': [{'measurements': [{'value': '2', 'groupId': 'BG000'}, {'value': '2', 'groupId': 'BG001'}, {'value': '2', 'groupId': 'BG002'}, {'value': '6', 'groupId': 'BG003'}]}]}], 'paramType': 'NUMBER', 'unitOfMeasure': 'participants'}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE3'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'DOUBLE', 'whoMasked': ['PARTICIPANT', 'INVESTIGATOR']}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'CROSSOVER'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 6}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2008-04'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2012-03', 'completionDateStruct': {'date': '2008-08', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2012-03-05', 'studyFirstSubmitDate': '2008-09-26', 'resultsFirstSubmitDate': '2010-12-14', 'studyFirstSubmitQcDate': '2008-09-29', 'lastUpdatePostDateStruct': {'date': '2012-03-07', 'type': 'ESTIMATED'}, 'resultsFirstSubmitQcDate': '2011-01-19', 'studyFirstPostDateStruct': {'date': '2008-09-30', 'type': 'ESTIMATED'}, 'resultsFirstPostDateStruct': {'date': '2011-02-15', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2008-08', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'ph of Dental Plaque After Sucrose Challenge', 'timeFrame': '1 week', 'description': 'Panelists rinsed with toothpaste slurry (2 grams of toothpaste dissolved in 10 ml of water) waited 20 minutes and then rinsed with a 10% sucrose solution. Sucrose challenge is used to change the ph in the mouth and help determine if the toothpastes used in this study and control dental plaque growth.'}]}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'conditions': ['Dental Plaque']}, 'descriptionModule': {'briefSummary': 'To determine the effect of an amino acid on bacterial glycolytic acid formation in human interdental plaque.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['OLDER_ADULT'], 'maximumAge': '79 Years', 'minimumAge': '72 Years', 'healthyVolunteers': True, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Maxillary dentition is preferentially natural.\n* Maxillary restorations and/or reconstructions and eventual partial dentures must be in clinically good condition.\n* Natural mandibular front teeth and first premolars (4-4) are retained.\n* Second mandibular molars are ideally present to serve as abutment teeth.\n* Mandibular restorations and/or reconstructions must be in clinically good condition.\n* Partial mandibular denture replacing second premolars and first (and second) molars in good clinical condition.\n* Subjects should have a stimulated saliva flow rate of 1-2 ml/min (by chewing paraffin wax).\n* Willingness to give their informed consent and comply with the protocol.\n* No history of allergy to personal/oral care consumer products or ingredients, relevant to any ingredient in the test products as determined by the dental/medical professional monitoring the study\n\nExclusion Criteria:\n\n* Current participation in other dental clinical trials.\n* Subjects who are unable to provide sufficient plaque growth over a 2-day non- brushing period (by visual assessment).\n* Subjects in whom the plaque pH fails to fall sufficiently, i.e. at least to pH 5 following a sucrose rinse.\n* Subjects with poor oral health, i.e. with advanced periodontitis, un-restored carious lesions and stomatological diseases.\n* Subjects taking drugs known to currently affect salivary flow.\n* Subjects with un-stimulated salivary flow \\<0.3 ml/min and/or stimulated flow \\<0.9 ml/min.\n* Women who are pregnant or breastfeeding\n* History of allergy to common dentifrice ingredients\n* Immune compromised individuals (HIV, AIDS, immuno suppressive drug therapy)\n* Women of child bearing potential and not on birth control (Diaphragm, birth control pills or implants, IUD (intrauterine device) or condoms)\n* Medical condition which requires premedication prior to dental procedures/visits\n* History of allergy to amino acids'}, 'identificationModule': {'nctId': 'NCT00762450', 'briefTitle': 'Effect on Bacterial Glycolytic Acid Formation on Plaque', 'organization': {'class': 'INDUSTRY', 'fullName': 'Colgate Palmolive'}, 'officialTitle': 'Effect on Bacterial Glycolytic Acid Formation on Plaque', 'orgStudyIdInfo': {'id': 'CRO-2008-PLA-01-AM'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'ACTIVE_COMPARATOR', 'label': 'A- Positive Control', 'description': 'fluoride/triclosan/copolymer toothpaste', 'interventionNames': ['Drug: Triclosan, Fluoride']}, {'type': 'PLACEBO_COMPARATOR', 'label': 'B - Silica control', 'description': 'fluoride only toothpaste', 'interventionNames': ['Drug: fluoride']}, {'type': 'EXPERIMENTAL', 'label': 'C- Experimental product', 'description': 'fluoride/triclosan/amino acid toothpaste', 'interventionNames': ['Drug: Fluoride, triclosan, amino acid']}], 'interventions': [{'name': 'Triclosan, Fluoride', 'type': 'DRUG', 'otherNames': ['Total+ Whitening toothpaste'], 'description': 'Rinse 3 times daily with assigned toothpaste slurry', 'armGroupLabels': ['A- Positive Control']}, {'name': 'fluoride', 'type': 'DRUG', 'otherNames': ['placebo toothpaste (No triclosan, no amino acid)'], 'description': 'Rinse 3 times daily with assigned toothpaste slurry', 'armGroupLabels': ['B - Silica control']}, {'name': 'Fluoride, triclosan, amino acid', 'type': 'DRUG', 'description': 'Rinse 3 times daily with assigned toothpaste slurry', 'armGroupLabels': ['C- Experimental product']}]}, 'contactsLocationsModule': {'locations': [{'city': 'Zurich', 'country': 'Switzerland', 'facility': 'University of Zurich, Dental Institute Dept. of Preventive', 'geoPoint': {'lat': 47.36667, 'lon': 8.55}}], 'overallOfficials': [{'name': 'Thomas Imfeld, MBA', 'role': 'PRINCIPAL_INVESTIGATOR'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Colgate Palmolive', 'class': 'INDUSTRY'}, 'responsibleParty': {'type': 'SPONSOR'}}}}