[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100638649":3},{"organization":4,"armGroups":7,"interventions":8,"overallOfficials":13,"centralContacts":17,"locations":7,"responsibleParty":23,"collaborators":27,"id":31,"slug":32,"hasResults":33,"nctId":34,"briefTitle":35,"officialTitle":36,"acronym":7,"eligibilityCriteria":37,"healthyVolunteers":38,"sex":39,"minAge":40,"maxAge":41,"enrollmentInfo":42,"targetDuration":7,"studyType":45,"phases":7,"briefSummary":46,"conditions":47,"keywords":50,"overallStatus":53,"whyStopped":7,"lastUpdateSubmitDate":54,"lastUpdatePostDateStruct":55,"startDateStruct":58,"completionDateStruct":60,"leadSponsor":62,"locationsCount":7},{"fullName":5,"class":6},"Oslo University Hospital","OTHER",null,[9],{"type":10,"name":11,"description":12,"armGroupLabels":7,"otherNames":7},"PROCEDURE","Arthrodesis","Arhtrodesis of the first metatarsophalangeal joint",[14],{"name":15,"affiliation":5,"role":16},"Elisabeth Ellingsen Husebye, MD, PhD, Prof.","STUDY_DIRECTOR",[18],{"name":19,"role":20,"phone":21,"phoneExt":7,"email":22},"Andreas Døble, MD","CONTACT","004795446020","anddoe@ous-hf.no",{"type":24,"investigatorFullName":25,"investigatorTitle":26,"investigatorAffiliation":5,"oldNameTitle":7,"oldOrganization":7},"PRINCIPAL_INVESTIGATOR","Andreas Døble","Orthopedic Resident",[28],{"name":29,"class":30},"Sorlandet Hospital HF","OTHER_GOV","100638649","return-to-cross-country-skiing-and-other-physical-activities-after-arthrodesis-of-the-first-metatarsophalangeal-joint-100638649",false,"NCT07610330","Return to Cross Country Skiing and Other Physical Activities After Arthrodesis of the First Metatarsophalangeal Joint","Retur Til Fysisk Aktivitet Etter Avstivning av stortåens Grunnledd","Inclusion Criteria:\n\n* Patients who has underwent arthrodesis of the first metatarsofalangeal joint because of hallux rigidus or severe hallux valgus\n* Patients at age 18-60 at the date of surgery\n* At least one year follow-up, and maximum 5 years since surgery.\n\nExclusion Criteria:\n\n* Non-Norwegian-speaking patients.\n* Impaired walking function.\n* Inability to cooperate.\n* Concomitant osteotomy of other metatarsals.\n* Revision arthrodeses.\n* Patients undergoing follow-up or evaluation for pseudoarthrosis.",true,"ALL","18 Years","60 Years",{"count":43,"type":44},150,"ESTIMATED","OBSERVATIONAL","Patients who have undergone arthrodesis of the first metatarsophalangeal joint due to hallux valgus or hallux rigidus are invited to participate in this study, which aims to investigate how the foot functions after this operation. Patients between 18 and 60 years of age at the time of surgery are eligible to participate. Questionnaires will be distributed to assess current sports function compared with function prior to surgery. Particular focus will be placed on function during cross-country skiing.",[48,49],"Hallux Rigidus","Hallux Valgus",[51,52,11],"Return to sport","First metatarsophalangeal joint","NOT_YET_RECRUITING","2026-05-20",{"date":56,"type":57},"2026-05-27","ACTUAL",{"date":59,"type":44},"2026-06",{"date":61,"type":44},"2027-12",{"name":5,"class":6}]