[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100574626":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":18,"centralContacts":19,"locations":18,"responsibleParty":25,"collaborators":18,"id":27,"slug":28,"hasResults":29,"nctId":30,"briefTitle":31,"officialTitle":32,"acronym":33,"eligibilityCriteria":34,"healthyVolunteers":29,"sex":35,"minAge":36,"maxAge":37,"enrollmentInfo":38,"targetDuration":18,"studyType":41,"phases":42,"briefSummary":44,"conditions":45,"keywords":18,"overallStatus":47,"whyStopped":18,"lastUpdateSubmitDate":48,"lastUpdatePostDateStruct":49,"startDateStruct":52,"completionDateStruct":53,"leadSponsor":55,"locationsCount":18},{"fullName":5,"class":6},"Xuanwu Hospital, Beijing","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Ketogenic diet","EXPERIMENTAL","The subjects initially enter the screening phase (≤ 2 weeks); they undergo the titration period (1 week), gradually titrating to the maximum dose stipulated in the protocol or the maximum tolerable dose for the subject; during the treatment period (12 weeks), but if intolerance emerges during the treatment, the subject can revert to the previous tolerated dose for continued treatment.\n\nThe dosage was titrated incrementally until reaching the maximum daily dose of 30g \\* 3 meals a day as stipulated in the protocol or the maximum tolerable daily dose for the subject. After entering the treatment period (from week 2 to week 13), this dose was maintained for 12 weeks.",[13],"Dietary Supplement: Ketogenic diet",[15],{"type":16,"name":9,"description":9,"armGroupLabels":17,"otherNames":18},"DIETARY_SUPPLEMENT",[9],null,[20],{"name":21,"role":22,"phone":23,"phoneExt":18,"email":24},"Longfei Jia, Dr.","CONTACT","0086-10 - 83199449","jialongfei@163.com",{"type":26,"investigatorFullName":18,"investigatorTitle":18,"investigatorAffiliation":18,"oldNameTitle":18,"oldOrganization":18},"SPONSOR","100574626","the-ketogenic-diet-in-the-treatment-of-behavioral-variant-frontotemporal-dementia-100574626",false,"NCT06761729","The Ketogenic Diet in the Treatment of Behavioral Variant Frontotemporal Dementia","An Exploratory Study for Evaluating the Efficacy, Safety and Tolerability of JT821 in the Intervention of Behavioral Variant Frontotemporal Dementia","JT821","Inclusion Criteria:\n\n1. Subject is between the ages of 45 - 70;\n2. Meetting the diagnostic criteria for \"probable bvFTD published by the International bvFTD Standards Consortium in 2011;\n3. Subjects must not undergo any drug adjustment treatment for 2 months prior to the enrollment and during the enrollment period ;\n4. Subjects must sign a written informed consent form prior to the screening visit examination. If the subject cannot sign due to limited cognitive ability or other reasons, the signature may be left blank, and the rationale must be stated. The legal guardian should provide the reason, sign the name, date, and time in the reason description area, and also sign the name, date, and time in the legal guardian column.\n\nExclusion Criteria:\n\nInclusion Criteria:\n\n1. Subject is between the ages of 45 - 70;\n2. Meetting the diagnostic criteria for \"probable bvFTD published by the International bvFTD Standards Consortium in 2011;\n3. Subjects must not undergo any drug adjustment treatment for 2 months prior to the enrollment and during the enrollment period ;\n4. Subjects must sign a written informed consent form prior to the screening visit examination. If the subject cannot sign due to limited cognitive ability or other reasons, the signature may be left blank, and the rationale must be stated. The legal guardian should provide the reason, sign the name, date, and time in the reason description area, and also sign the name, date, and time in the legal guardian column.\n\nExclusion Criteria:\n\n1. Dementia caused by other factors: Alzheimer's Disease，vascular dementia, central nervous system infections (such as AIDS, syphilis, etc.), Huntington's disease and Parkinson's disease, Lewy body dementia, traumatic brain injury dementia, other physical and chemical factors (such as drug poisoning, alcohol poisoning, carbon monoxide poisoning, etc.), significant somatic diseases (such as hepatic encephalopathy, pulmonary etc.), intracranial space-occupying lesions (such as subdural hematoma, brain tumors), endocrine system disorders (such as thyroid diseases, parathyroid diseases) and dementia caused by vitamin deficiency or any other known causes;\n2. Having a low-carb diet , ketogenic diet, or vegan diet within 3 months before the screening visit or being currently doing.\n3. Patients diagnosed with schizophrenia spectrum disorder ,bipolar disorder, moderate to severe depression or delirium according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5).\n4. Abnormal laboratory tests at screening visit and baseline: including liver function tests (alanine aminotransferase \\[ALT\\], aspartate aminotransferase \\[AST\\]) exceeding twice the upper limit of normal; and renal function (creatinine \\[Cr\\]) exceeding 1.5 times the upper limit of normal. Slight exceedances that are not clinically significance, as judged by the investigator, may not be excluded;\n5. Fasting triglycerides ≥ 5.7 mmol\u002FL or total cholesterol ≥ 10.34 mmol\u002FL at the screening visit and baseline;\n6. Presence any of the following infections at the screening visit:\n\n   Positive human immunodeficiency virus antibody (HIV Ab); Positive Treponema pallidum antibody (TP Ab);\n7. Gastrointestinal diseases that could affect the absorption or metabolism of the investigational product as judged by the investigator, within 2 months before the screening visit;\n8. Having undergone major surgeries deemed unsuitable for enrollment by the investigator within 6 months before the screening visit or those planning to undergo major surgeries during the study period (The definition of major surgeries refers to Grade 3 and Grade 4 surgeries as outlined in the \"Administrative Measures for Grading of Surgeries in Medical Institutions (Trial)\" implemented on December 6, 2022);\n9. Patients who have suffered from malignant tumors within 3 years prior to the screening visit (excluding basal cell carcinoma of the skin that has been radically cured, squamous cell carcinoma of the skin and\u002For carcinoma in situ that has been radically resected);\n10. Having a history of alcohol or drug abuse within 1 year prior to the screening visit;\n11. Known allergy to any components of the investigational product in this study;\n12. Having uncorrectable visual or auditory impairments or any other conditions that would affect the assessment of the scale;\n13. Contraindications to JT821:\n\nAbsolute contraindications:\n\n1. Type 1 diabetes\n2. Primary carnitine deficiency (Laboratory tests: Hypoglycemia with low ketone levels, elevated creatine kinase (CK), etc.)\n3. Carnitine palmitoyl transferase (CPT) I and II deficiency (Laboratory tests: Hypoglycemia with low ketone levels, elevated transaminases, CK, elevated blood ammonia, tandem mass spectrometry for measurement of blood acylcarnitine profile, etc.)\n4. Carnitine translocase deficiency (Laboratory tests: Hypoglycemia with low ketone levels, elevated transaminases, CK, elevated blood ammonia, tandem mass spectrometry for measurement of blood acylcarnitine profile, etc.)\n5. β-Oxidation disorders (Laboratory tests: Blood glucose, electrolytes, blood lipids, coagulation, liver function, kidney function)\n6. Medium-chain acyl dehydrogenase deficiency (MCAD) (Laboratory tests: Hypoglycemia with low ketone levels, elevated transaminases, CK, elevated blood ammonia, metabolic acidosis, tandem mass spectrometry for measurement of blood acylcarnitine profile, etc.)\n7. Very long-chain acyl dehydrogenase deficiency (VLCAD) (Laboratory tests: Hypoglycemia with low ketone levels, elevated transaminases, CK, elevated creatine kinase isoenzyme (CK-MB) and lactate dehydrogenase (LDH), tandem mass spectrometry for measurement of blood acylcarnitine profile)\n8. Long-chain acyl dehydrogenase deficiency (LCAD) (Laboratory tests: Hypoglycemia with low ketone levels, elevated transaminases, CK, elevated creatine kinase isoenzyme (CK-MB) and lactate dehydrogenase (LDH), tandem mass spectrometry for measurement of blood acylcarnitine profile)\n9. Short-chain acyl dehydrogenase deficiency (SCAD) (Laboratory tests: Tandem mass spectrometry for measurement of blood acylcarnitine profile, determination of SCAD enzyme activity)\n10. Long-chain 3-hydroxyacyl-CoA deficiency (Laboratory tests: Hypoglycemia with low ketone levels, elevated transaminases, CK, elevated CK-MB and LDH, analysis of blood acylcarnitine profile, etc.)\n11. Medium-chain 3-hydroxyacyl-CoA deficiency (Laboratory tests: Hypoglycemia with low ketone levels, elevated transaminases, CK, elevated CK-MB and LDH, analysis of blood acylcarnitine profile, etc.)\n12. Pyruvate carboxylase deficiency (Laboratory tests: Hypoglycemia with low ketone levels, elevated transaminases, CK, elevated CK-MB and LDH, analysis of blood acylcarnitine profile, etc.)\n13. Porphyria (Laboratory tests: Sunlight test of urinary porphobilinogen)\n14. Acute pancreatitis\n15. Liver failure\n16. Pregnancy\n\nRelative contraindications:\n\nPatients who cannot maintain adequate nutrition (Fasting blood glucose \\\u003C 2.8 mmol\u002FL, blood ketone \\> 0.5 mmol\u002FL) (15) Any other situations that the investigator considers unsuitable for participating in this study; (16)Currently participating in other investigational product\u002Fdevice for treatment or participating in other clinical trials for treatment purposes.","ALL","45 Years","70 Years",{"count":39,"type":40},3,"ESTIMATED","INTERVENTIONAL",[43],"NA","This study is an exploratory clinical research on the use of JT821 (a ketogenic diet formulation) for the treatment of patients with behavioral variant frontotemporal dementia (bvFTD), aiming to evaluate the effectiveness, safety, and tolerability of JT821 in the intervention of bvFTD.\n\nThe ketogenic diet (KD) is a low-carbohydrate, adequate protein and high-fat diet. KD was shown to be effective in treating different neurodegenerative diseases.",[46],"Behavioral Variant Frontotemporal Dementia","NOT_YET_RECRUITING","2025-02-05",{"date":50,"type":51},"2025-02-10","ACTUAL",{"date":50,"type":40},{"date":54,"type":40},"2025-10-31",{"name":5,"class":6}]