[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100589235":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":29,"centralContacts":33,"locations":25,"responsibleParty":39,"collaborators":25,"id":41,"slug":42,"hasResults":43,"nctId":44,"briefTitle":45,"officialTitle":46,"acronym":25,"eligibilityCriteria":47,"healthyVolunteers":43,"sex":48,"minAge":49,"maxAge":50,"enrollmentInfo":51,"targetDuration":25,"studyType":54,"phases":55,"briefSummary":57,"conditions":58,"keywords":61,"overallStatus":63,"whyStopped":25,"lastUpdateSubmitDate":64,"lastUpdatePostDateStruct":65,"startDateStruct":68,"completionDateStruct":70,"leadSponsor":72,"locationsCount":25},{"fullName":5,"class":6},"Peking University Third Hospital","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Morning (8:00) administration group of teriparatide","EXPERIMENTAL","A total of 14 subjects will be included. Teriparatide injection (20 µg, subcutaneous injection, once daily) will be administered in the morning (around 8:00 a.m.) every day for 12 weeks",[13],"Behavioral: Morning administration group of teriparatide",{"label":15,"type":10,"description":16,"interventionNames":17},"Evening (20:00) administration group of teriparatide","A total of 14 subjects will be included. Teriparatide injection (20 µg, subcutaneous injection, once daily) will be administered in the evening (around 20:00 p.m.) every day for 12 weeks",[18],"Behavioral: Evening administration group of teriparatide",[20,26],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"BEHAVIORAL","Morning administration group of teriparatide","Eligible participants will be randomly assigned (1:1) to either subcutaneous injection of 20 μg teriparatide at 08:00 a.m. in the morning (Group A) and subcutaneous injection of 20 μg teriparatide at 20:00 p.m. in the evening (Group B).",[9],null,{"type":21,"name":27,"description":23,"armGroupLabels":28,"otherNames":25},"Evening administration group of teriparatide",[15],[30],{"name":31,"affiliation":5,"role":32},"Chunli Song, Dr","PRINCIPAL_INVESTIGATOR",[34],{"name":35,"role":36,"phone":37,"phoneExt":25,"email":38},"Huan Wang, Dr","CONTACT","13331151140","wanghuan1004@bjmu.edu.cn",{"type":40,"investigatorFullName":25,"investigatorTitle":25,"investigatorAffiliation":25,"oldNameTitle":25,"oldOrganization":25},"SPONSOR","100589235","chronotherapeutic-optimization-of-teriparatide-administration-in-postmenopausal-osteoporosis-100589235",false,"NCT06951776","Chronotherapeutic Optimization of Teriparatide Administration in Postmenopausal Osteoporosis","Chronotherapeutic Optimization of Teriparatide Administration in Postmenopausal Osteoporosis: A Randomized Controlled Exploratory Study","Inclusion Criteria:\n\n1. Aged 60-70 years (inclusive).\n2. Naturally postmenopausal women with≥5 years since last menses.\n3. DXA-measured BMD T-score≤-3.0 at lumbar spine (L1-L4) and\u002For total hip at screening.\n4. The concentration of 25-hydroxyvitamin D (25-OH)D is ≥20 ng\u002Fml. If the subject meets all other inclusion and exclusion criteria, it is allowed to retest the 25-OHD concentration after administering vitamin D to the subject.\n5. Normal-range serum parameters:\n\nIntact PTH: 15-65 pg\u002FmL Total calcium: 2.20-2.70 mmol\u002FL.\n\nExclusion Criteria:\n\n1. Subjects with bone metabolic diseases besides osteoporosis:\n\n   1. Other metabolic bone diseases, such as osteomalacia, osteogenesis imperfecta, Paget's disease；\n   2. Cushing's syndrome;\n   3. Hyperprolactinemia;\n2. Use of medications that affect bone metabolism before screening:\n\n   Use of intravenous bisphosphonates, fluoride, or strontium within 2 years; Use of teriparatide or denosumab for osteoporosis within 6 months; Oral bisphosphonates for osteoporosis with the last dose within 1 year (if used within 1 year but with a cumulative use of ≤1 month, the subject is eligible); Continuous use of calcitonin for more than 3 months with the last dose within 1 year.\n3. History of malignancy within 5 years, or bone metastasis, except for tumors that are expected to be cured after treatment (such as completely resected in situ basal cell or squamous cell carcinoma of the skin, cervical cancer, or breast ductal carcinoma, etc.).\n4. Hypocalcemia and hypercalcemia.\n5. Elevated alkaline phosphatase of unknown cause.\n6. History of fractures.\n7. Uncontrolled comorbidities, including heart failure with New York Heart Association (NYHA) functional class III or above, glycated hemoglobin \\>8.5%, and severe arrhythmias.\n8. Allergy to teriparatide.\n9. Currently participating in another drug clinical trial.\n10. Subjects deemed unsuitable for enrollment in this study by the investigator.","FEMALE","60 Years","70 Years",{"count":52,"type":53},28,"ESTIMATED","INTERVENTIONAL",[56],"NA","This is a randomized, controlled, and exploratory study designed to evaluate the chronotherapeutic effects of teriparatide administration in postmenopausal osteoporosis. Twenty-eight participants (age 60-70 years, lumbar spine T-score ≤-3.0) will undergo 1:1 randomization to receive 20 µg\u002Fday teriparatide subcutaneously at either 08:00 or 20:00 for 12 weeks. Standardized supplementation with calcium (1,000-1,500 mg\u002Fday) and cholecalciferol (800-1,200 IU\u002Fday) will be maintained. Primary endpoints are between-group differences in serum CTX and P1NP profiles, quantified at baseline, 4-week interim, and 12-week endpoint. The secondary outcomes will assess safety during the trial.",[59,60],"Circadian Rhythm Disorders","Osteoporosis",[62],"Teriparatide, osteoporosis, Chronotherapy","NOT_YET_RECRUITING","2025-04-23",{"date":66,"type":67},"2025-04-30","ACTUAL",{"date":69,"type":53},"2025-05-01",{"date":71,"type":53},"2025-12-30",{"name":5,"class":6}]