{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+maintenance+with+protein+restriction", "query": { "intervention": "Weight maintenance with protein restriction" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 10, "total_pages": 1, "next_page_url": null, "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-10-04T19:51:46.242Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT06449287", "title": "Impact of Exogenous Ketones on Indices of Keto-Adaptation in Obese Subjects on Weight Reducing Diets.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Ketogenic Diet", "Weight Loss" ], "interventions": [ { "name": "Diet", "type": "OTHER" }, { "name": "Blood Draw", "type": "BIOLOGICAL" }, { "name": "Ketone/Glucose Monitoring", "type": "BIOLOGICAL" }, { "name": "Body Composition", "type": "OTHER" }, { "name": "Urine Analysis", "type": "BIOLOGICAL" }, { "name": "Neuropsychological Measures - ANAM", "type": "BEHAVIORAL" } ], "intervention_types": [ "OTHER", "BIOLOGICAL", "BEHAVIORAL" ], "sponsor": "Ohio State University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "21 Years to 65 Years" }, "enrollment_count": 37, "start_date": "2018-07-05", "completion_date": "2019-08-21", "has_results": false, "last_update_posted_date": "2024-12-19", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT06449287" }, { "nct_id": "NCT02735707", "title": "Randomized, Embedded, Multifactorial Adaptive Platform Trial for Community- Acquired Pneumonia", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Community-acquired Pneumonia, Influenza, COVID-19" ], "interventions": [ { "name": "Ceftriaxone", "type": "DRUG" }, { "name": "Moxifloxacin or Levofloxacin", "type": "DRUG" }, { "name": "Piperacillin-tazobactam", "type": "DRUG" }, { "name": "Ceftaroline", "type": "DRUG" }, { "name": "Amoxicillin-clavulanate", "type": "DRUG" }, { "name": "Standard course macrolide", "type": "DRUG" }, { "name": "Extended course macrolide", "type": "DRUG" }, { "name": "No systemic corticosteroid", "type": "OTHER" }, { "name": "Fixed-duration Hydrocortisone", "type": "DRUG" }, { "name": "Shock-dependent hydrocortisone", "type": "DRUG" }, { "name": "Fixed-duration higher dose Hydrocortisone", "type": "DRUG" }, { "name": "No antiviral agent for influenza", "type": "OTHER" }, { "name": "Five-days oseltamivir", "type": "DRUG" }, { "name": "Ten-days oseltamivir", "type": "DRUG" }, { "name": "No antiviral agent for COVID-19", "type": "OTHER" }, { "name": "Lopinavir / Ritonavir", "type": "DRUG" }, { "name": "Hydroxychloroquine", "type": "DRUG" }, { "name": "Hydroxychloroquine + lopinavir/ritonavir", "type": "DRUG" }, { "name": "Ivermectin", "type": "DRUG" }, { "name": "No immune modulation for COVID-19", "type": "OTHER" }, { "name": "Interferon beta-1a", "type": "DRUG" }, { "name": "Anakinra", "type": "DRUG" }, { "name": "Tocilizumab", "type": "DRUG" }, { "name": "Sarilumab", "type": "DRUG" }, { "name": "Local standard venous thromboprophylaxis", "type": "DRUG" }, { "name": "Therapeutic dose anticoagulation", "type": "DRUG" }, { "name": "Conventional low dose thromboprophylaxis", "type": "DRUG" }, { "name": "Intermediate dose thromboprophylaxis", "type": "DRUG" }, { "name": "Continuation of therapeutic dose anticoagulation", "type": "DRUG" }, { "name": "No immunoglobulin", "type": "OTHER" }, { "name": "Convalescent plasma", "type": "BIOLOGICAL" }, { "name": "Delayed administration of convalescent plasma", "type": "BIOLOGICAL" }, { "name": "No vitamin C", "type": "OTHER" }, { "name": "Vitamin C", "type": "DRUG" }, { "name": "No antiplatelet", "type": "OTHER" }, { "name": "Aspirin", "type": "DRUG" }, { "name": "P2Y12 inhibitor", "type": "DRUG" }, { "name": "No simvastatin", "type": "OTHER" }, { "name": "Simvastatin", "type": "DRUG" }, { "name": "Eritoran", "type": "DRUG" }, { "name": "Apremilast", "type": "DRUG" }, { "name": "Clinician-preferred mechanical ventilation strategy", "type": "PROCEDURE" }, { "name": "Protocolised mechanical ventilation strategy", "type": "PROCEDURE" }, { "name": "No renin-angiotensin system inhibitor", "type": "OTHER" }, { "name": "Angiotensin converting enzyme inhibitor", "type": "DRUG" }, { "name": "Angiotensin Receptor Blockers", "type": "DRUG" }, { "name": "ARB + DMX-200", "type": "DRUG" }, { "name": "No cysteamine", "type": "OTHER" }, { "name": "Cysteamine", "type": "DRUG" }, { "name": "Fixed-duration dexamethasone", "type": "DRUG" }, { "name": "Baloxavir Marboxil", "type": "DRUG" }, { "name": "Five-days oseltamivir + baloxavir marboxil", "type": "DRUG" }, { "name": "Ten-days oseltamivir + baloxavir marboxil", "type": "DRUG" }, { "name": "No endothelial modulator", "type": "OTHER" }, { "name": "Imatinib", "type": "DRUG" }, { "name": "No Immune Modulator for Influenza", "type": "OTHER" }, { "name": "Baricitinib", "type": "DRUG" }, { "name": "Nirmatrelvir/ritonavir", "type": "DRUG" }, { "name": "Remdesivir", "type": "DRUG" }, { "name": "Nirmatrelvir/ritonavir + remdesivir", "type": "DRUG" } ], "intervention_types": [ "DRUG", "OTHER", "BIOLOGICAL", "PROCEDURE" ], "sponsor": "UMC Utrecht", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 20000, "start_date": "2016-04-11", "completion_date": "2028-02", "has_results": false, "last_update_posted_date": "2024-07-12", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 11, "location_summary": "Jacksonville, Florida • Augusta, Georgia • Chicago, Illinois + 8 more", "locations": [ { "city": "Jacksonville", "state": "Florida" }, { "city": "Augusta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "New Orleans", "state": "Louisiana" }, { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT02735707" }, { "nct_id": "NCT04753359", "title": "Mediterranean Diet and Weight Loss: Targeting the Bile Acid/Gut Microbiome Axis to Reduce Colorectal Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Colorectal Cancer", "Diet Habit" ], "interventions": [ { "name": "Med", "type": "OTHER" }, { "name": "WL", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Illinois at Chicago", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "45 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "45 Years to 75 Years" }, "enrollment_count": 180, "start_date": "2022-02-01", "completion_date": "2025-07-31", "has_results": false, "last_update_posted_date": "2026-05-27", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT04753359" }, { "nct_id": "NCT06079658", "title": "The Effects of Continuous vs. Intermittent Caloric Restriction on Fat Los", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obesity" ], "interventions": [ { "name": "Continuous Caloric Restriction versus Intermittent Caloric Restriction on Fat Loss", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Coastal Carolina University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "FEMALE", "summary": "18 Years to 65 Years · Female only" }, "enrollment_count": 40, "start_date": "2022-10-01", "completion_date": "2023-08-15", "has_results": false, "last_update_posted_date": "2023-10-12", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 1, "location_summary": "Conway, South Carolina", "locations": [ { "city": "Conway", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT06079658" }, { "nct_id": "NCT02004002", "title": "Protein Intake & Insulin Action", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obesity" ], "interventions": [ { "name": "Weight maintenance with normal protein intake", "type": "BEHAVIORAL" }, { "name": "Weight maintenance with protein restriction", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Washington University School of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 15, "start_date": "2013-12", "completion_date": "2016-09", "has_results": false, "last_update_posted_date": "2016-10-12", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 1, "location_summary": "St Louis, Missouri", "locations": [ { "city": "St Louis", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT02004002" }, { "nct_id": "NCT03515889", "title": "A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Weight Loss" ], "interventions": [ { "name": "Ideal Protein Weight Loss Method", "type": "BEHAVIORAL" }, { "name": "Standard Weight Loss", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Tulane University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "22 Years", "maximum_age": "79 Years", "sex": "ALL", "summary": "22 Years to 79 Years" }, "enrollment_count": 192, "start_date": "2018-05-23", "completion_date": "2020-09-30", "has_results": false, "last_update_posted_date": "2024-11-22", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 1, "location_summary": "Bogalusa, Louisiana", "locations": [ { "city": "Bogalusa", "state": "Louisiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT03515889" }, { "nct_id": "NCT01757340", "title": "Calorie Restriction With Leucine Supplementation", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obesity", "Menopause", "Osteoporosis", "Sarcopenia" ], "interventions": [ { "name": "Weight loss with normal protein and leucine intake", "type": "BEHAVIORAL" }, { "name": "Weight loss with protein/leucine supplementation", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Washington University School of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": "65 Years", "sex": "FEMALE", "summary": "50 Years to 65 Years · Female only" }, "enrollment_count": 43, "start_date": "2012-09", "completion_date": "2017-03", "has_results": false, "last_update_posted_date": "2017-03-27", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 1, "location_summary": "St Louis, Missouri", "locations": [ { "city": "St Louis", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT01757340" }, { "nct_id": "NCT06081543", "title": "Ketogenic Diet vs Mixed Diet in Patients With Heart Failure", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Heart Failure With Preserved Ejection Fraction" ], "interventions": [ { "name": "Ketogenic diet", "type": "DIETARY_SUPPLEMENT" }, { "name": "Low-fat Mixed diet", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Ohio State University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 90, "start_date": "2023-05-19", "completion_date": "2026-08-31", "has_results": false, "last_update_posted_date": "2026-07-23", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT06081543" }, { "nct_id": "NCT01538836", "title": "Calorie Restriction, Protein Supplementation and Metabolic Health", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obesity", "Menopause", "Osteoporosis", "Sarcopenia" ], "interventions": [ { "name": "Weight loss with normal protein intake", "type": "BEHAVIORAL" }, { "name": "Weight loss with protein supplementation", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Washington University School of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": "65 Years", "sex": "FEMALE", "summary": "50 Years to 65 Years · Female only" }, "enrollment_count": 75, "start_date": "2012-01", "completion_date": "2017-03", "has_results": false, "last_update_posted_date": "2017-03-27", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 1, "location_summary": "St Louis, Missouri", "locations": [ { "city": "St Louis", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT01538836" }, { "nct_id": "NCT06736028", "title": "Ketogenic Diets for Weight Loss Maintenance: Impact on Energy Expenditure and Appetite in Individuals With Obesity", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obesity" ], "interventions": [ { "name": "Diet Therapy", "type": "BEHAVIORAL" }, { "name": "Calorie Restriction", "type": "BEHAVIORAL" }, { "name": "Behavioral Support", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of Alabama at Birmingham", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 20, "start_date": "2025-08-01", "completion_date": "2027-03-30", "has_results": false, "last_update_posted_date": "2026-04-07", "last_synced_at": "2026-10-04T19:51:46.242Z", "location_count": 1, "location_summary": "Birmingham, Alabama", "locations": [ { "city": "Birmingham", "state": "Alabama" } ], "official_url": "https://clinicaltrials.gov/study/NCT06736028" } ] }