[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100550587":3},{"organization":4,"armGroups":7,"interventions":22,"overallOfficials":31,"centralContacts":32,"locations":38,"responsibleParty":67,"collaborators":31,"id":69,"slug":70,"hasResults":71,"nctId":72,"briefTitle":73,"officialTitle":74,"acronym":75,"eligibilityCriteria":76,"healthyVolunteers":77,"sex":78,"minAge":79,"maxAge":31,"enrollmentInfo":80,"targetDuration":31,"studyType":83,"phases":84,"briefSummary":86,"conditions":87,"keywords":89,"overallStatus":60,"whyStopped":31,"lastUpdateSubmitDate":93,"lastUpdatePostDateStruct":94,"startDateStruct":97,"completionDateStruct":99,"leadSponsor":101,"locationsCount":102},{"fullName":5,"class":6},"Erasme University Hospital","OTHER",[8,14,18],{"label":9,"type":10,"description":11,"interventionNames":12},"CRAP","EXPERIMENTAL","Continuous Rapid Activation Protocol: 1 activation of the expansion screw per day which is equal to 0,17 mm expansion of the maxilla per day till reaching the clinical goal",[13],"Device: Mini-implants assisted maxillary expansion",{"label":15,"type":10,"description":16,"interventionNames":17},"SCAP","Continuous Slow Activation Protocol: 2 activations of the expansion screw which is equal to 0,33 mm expansion of the maxilla per day during the first 7 days. After that first week, then each third day 1 activation (0,17 mm \u002F 3 days).",[13],{"label":19,"type":10,"description":20,"interventionNames":21},"FCPC","force-controlled polycyclic protocol: 2 activations of the expansion screw which is equal to 0,33 mm expansion of the maxilla per day during the first 7 days. Then the expansion screw will be turned 6 sides backward, and after 15 min, the expansion screw will be turned forward 6 sides again. And every third day, the device will be additionally activated by 0.17mm (0,17 mm \u002F 3 days)",[13],[23],{"type":24,"name":25,"description":26,"armGroupLabels":27,"otherNames":28},"DEVICE","Mini-implants assisted maxillary expansion","The intervention involved the placement of orthodontic mini-screws in the patient's palate, varying in diameter from 2 to 2.3 mm and in length from 11 to 15 mm. After mini-screw insertion, another intraoral scan was taken for the fabrication of the appliance. Approximately three weeks later, the expander was placed in the patient's palate, and maxillary expansion was initiated immediately afterward according to the chosen protocol.",[9,19,15],[29,30],"Mini-screws assisted maxillary expansion","Mini-implants assisted rapid maxillary expansion",null,[33],{"name":34,"role":35,"phone":36,"phoneExt":31,"email":37},"arnel NANA, Dr","CONTACT","+32460952160","narnelredon@gmail.com",[39,58],{"facility":40,"status":41,"city":42,"state":43,"zip":44,"country":45,"countryCode":46,"cosmosGeoPoint":47,"geoPoint":52,"contacts":53},"Route de Lennik 900","NOT_YET_RECRUITING","Anderlecht","Brussels Capital","1070","Belgium","BE",{"type":48,"coordinates":49},"Point",[50,51],4.31454,50.83619,{"lat":51,"lon":50},[54],{"name":55,"role":35,"phone":56,"phoneExt":31,"email":57},"Fairouz BEN ABDELOUAHED, Dr","+32487262857","f.benabdelouahed@hubruxelles.be",{"facility":59,"status":60,"city":42,"state":43,"zip":44,"country":45,"countryCode":46,"cosmosGeoPoint":61,"geoPoint":63,"contacts":64},"service dentaire et d'orthodontie de l'hopital université de bruxelles (HUB)","RECRUITING",{"type":48,"coordinates":62},[50,51],{"lat":51,"lon":50},[65],{"name":55,"role":35,"phone":66,"phoneExt":31,"email":57},"+32 487262857",{"type":68,"investigatorFullName":31,"investigatorTitle":31,"investigatorAffiliation":31,"oldNameTitle":31,"oldOrganization":31},"SPONSOR","100550587","efficacy-of-mini-implant-assisted-maxillary-expansion-in-adolescents-and-adults-100550587",false,"NCT06449014","Efficacy of Mini-implant Assisted Maxillary Expansion in Adolescents and Adults","Efficacy of Mini-Implant-Assisted Maxillary Expansion on Late Adolescents and Adults and Its Effects on Nasal Permeability and Airway Volume Using Three Different Activation Protocols: A Randomized Controlled Trial (MARPE_1)","MARPE_1","Inclusion Criteria:\n\n* from the age of 16 onwards\n* who presented with transverse maxillary discrepancy (unilateral, bilateral, anticipated, or constriction without crossbite).\n\nExclusion Criteria:\n\n* history or presence of maxillofacial surgery, cleft lip and palate, craniofacial anomalies or syndromes, congenital tooth anomalies, and periodontal disease.\n* Patients who had previously palatal expansion were excluded also.\n* Presence of anatomic or pathological obstacle of the palatal mini-screw insertion (impacted tooth, tumor.)\n* refusal of study participation",true,"ALL","16 Years",{"count":81,"type":82},60,"ESTIMATED","INTERVENTIONAL",[85],"NA","Transverse maxillary deficiency is a common orthodontic issue, affecting around 10% of adults. Late adolescents and adults often require more force to expand the midpalatal suture due to its increased interdigitation. This study aims to assess the effectiveness of MARPE in this demographic and determine the best activation protocol for non-surgical maxillary expansion using mini-screw-supported appliances. Additionally, the study will evaluate the effectiveness of MARPE on nasal permeability and airway volume.",[88],"Narrow Maxilla",[90,91,92],"MARPE","Endognathia","rhinomanometry","2025-08-08",{"date":95,"type":96},"2025-08-11","ACTUAL",{"date":98,"type":96},"2024-10-02",{"date":100,"type":82},"2027-09",{"name":5,"class":6},2]