{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo%2Fplacebo", "query": { "intervention": "placebo/placebo" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 32931, "total_pages": 3294, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo%2Fplacebo&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-17T05:32:26.982Z", "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": "NCT00813098", "title": "Study of LX1031 in Subjects With Non-Constipating Irritable Bowel Syndrome", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Irritable Bowel Syndrome" ], "interventions": [ { "name": "LX1031 High Dose", "type": "DRUG" }, { "name": "LX1031 Low Dose", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Lexicon Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 155, "start_date": "2008-12", "completion_date": "2010-08", "has_results": true, "last_update_posted_date": "2010-12-02", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 36, "location_summary": "Tucson, Arizona • Sherwood, Arkansas • Anaheim, California + 29 more", "locations": [ { "city": "Tucson", "state": "Arizona" }, { "city": "Sherwood", "state": "Arkansas" }, { "city": "Anaheim", "state": "California" }, { "city": "Fountain Valley", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00813098" }, { "nct_id": "NCT01474863", "title": "Citrulline in Severe Sepsis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Severe Sepsis", "Acute Lung Injury" ], "interventions": [ { "name": "High Dose Citrulline", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Low Dose Citrulline", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Vanderbilt University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "13 Years", "maximum_age": null, "sex": "ALL", "summary": "13 Years and older" }, "enrollment_count": 72, "start_date": "2012-08", "completion_date": "2016-03", "has_results": true, "last_update_posted_date": "2017-06-05", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT01474863" }, { "nct_id": "NCT02696798", "title": "A Study of Ixekizumab (LY2439821) in TNF Inhibitor Experienced Participants With Radiographic Axial Spondyloarthritis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Spondyloarthritis" ], "interventions": [ { "name": "Ixekizumab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Eli Lilly and Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 316, "start_date": "2016-04-12", "completion_date": "2019-05-03", "has_results": true, "last_update_posted_date": "2020-06-17", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 27, "location_summary": "Phoenix, Arizona • Escondido, California • Huntington Beach, California + 24 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Escondido", "state": "California" }, { "city": "Huntington Beach", "state": "California" }, { "city": "Palm Desert", "state": "California" }, { "city": "Colorado Springs", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT02696798" }, { "nct_id": "NCT03827798", "title": "Study of Efficacy and Safety of Investigational Treatments in Patients With Moderate to Severe Hidradenitis Suppurativa", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hidradenitis Suppurativa" ], "interventions": [ { "name": "CFZ533", "type": "DRUG" }, { "name": "Placebo to CFZ533", "type": "DRUG" }, { "name": "LYS006", "type": "DRUG" }, { "name": "Placebo to LYS006", "type": "DRUG" }, { "name": "MAS825", "type": "DRUG" }, { "name": "Placebo to MAS825", "type": "DRUG" }, { "name": "LOU064 25mg", "type": "DRUG" }, { "name": "LOU064 100mg", "type": "DRUG" }, { "name": "Placebo to LOU064", "type": "DRUG" }, { "name": "VAY736", "type": "DRUG" }, { "name": "Placebo to VAY736", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Novartis Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 248, "start_date": "2019-02-27", "completion_date": "2026-12-11", "has_results": true, "last_update_posted_date": "2026-02-06", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 8, "location_summary": "Clearwater, Florida • Orange Park, Florida • Tampa, Florida + 5 more", "locations": [ { "city": "Clearwater", "state": "Florida" }, { "city": "Orange Park", "state": "Florida" }, { "city": "Tampa", "state": "Florida" }, { "city": "Sandy Springs", "state": "Georgia" }, { "city": "Evanston", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT03827798" }, { "nct_id": "NCT00082498", "title": "Safety and Effectiveness of the Oral HIV Entry Inhibitor Vicriviroc in HIV Infected Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "SCH-D (vicriviroc)", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 119, "start_date": "2004-05", "completion_date": "2011-01", "has_results": false, "last_update_posted_date": "2021-11-01", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 30, "location_summary": "Los Angeles, California • Palo Alto, California • San Diego, California + 20 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "San Jose", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00082498" }, { "nct_id": "NCT01544998", "title": "Tadalafil and Nesiritide as Therapy in Pre-clinical Heart Failure", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Congestive Heart Failure" ], "interventions": [ { "name": "Nesiritide", "type": "DRUG" }, { "name": "Tadalafil", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Saline load", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "90 Years", "sex": "ALL", "summary": "21 Years to 90 Years" }, "enrollment_count": 43, "start_date": "2012-02", "completion_date": "2014-08", "has_results": true, "last_update_posted_date": "2018-03-22", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT01544998" }, { "nct_id": "NCT02912663", "title": "Magnesium And Verapamil After Recanalization in Ischemia of the Cerebrum: a Clinical and Translational Study.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Ischemic Stroke" ], "interventions": [ { "name": "Verapamil and Magnesium Sulfate", "type": "DRUG" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Justin Fraser", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "101 Years", "sex": "ALL", "summary": "18 Years to 101 Years" }, "enrollment_count": 10, "start_date": "2017-10-11", "completion_date": "2020-01-14", "has_results": false, "last_update_posted_date": "2020-06-24", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 1, "location_summary": "Lexington, Kentucky", "locations": [ { "city": "Lexington", "state": "Kentucky" } ], "official_url": "https://clinicaltrials.gov/study/NCT02912663" }, { "nct_id": "NCT01386632", "title": "Study of DCA (Dichloroacetate) in Combination With Cisplatin and Definitive Radiation in Head and Neck Carcinoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Squamous Cell Carcinoma of the Head and Neck" ], "interventions": [ { "name": "DCA (dichloroacetate)", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Sanford Health", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 50, "start_date": "2011-05", "completion_date": "2020-06-01", "has_results": true, "last_update_posted_date": "2020-10-27", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 2, "location_summary": "Fargo, North Dakota • Sioux Falls, South Dakota", "locations": [ { "city": "Fargo", "state": "North Dakota" }, { "city": "Sioux Falls", "state": "South Dakota" } ], "official_url": "https://clinicaltrials.gov/study/NCT01386632" }, { "nct_id": "NCT05587998", "title": "A Study to Assess the Effect of AZD4041 on Respiratory Drive in Recreational Opioid Users.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Opioid Use Disorder" ], "interventions": [ { "name": "Morphine", "type": "DRUG" }, { "name": "AZD4041", "type": "DRUG" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "AstraZeneca", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "18 Years to 55 Years" }, "enrollment_count": 45, "start_date": "2022-08-31", "completion_date": "2023-05-25", "has_results": true, "last_update_posted_date": "2024-11-15", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 1, "location_summary": "Overland Park, Kansas", "locations": [ { "city": "Overland Park", "state": "Kansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT05587998" }, { "nct_id": "NCT01119963", "title": "Progesterone (17P, Makena®) for Prolongation of Pregnancy in Women With Preterm Rupture of the Membranes (PROM)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Preterm Delivery" ], "interventions": [ { "name": "17-alpha-hydroxy-progesterone caproate, Makena®", "type": "DRUG" }, { "name": "Castor Oil (Placebo)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Obstetrix Medical Group", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 152, "start_date": "2011-10", "completion_date": "2014-10", "has_results": true, "last_update_posted_date": "2018-06-28", "last_synced_at": "2026-09-17T05:32:26.982Z", "location_count": 15, "location_summary": "Mobile, Alabama • Mesa, Arizona • Phoenix, Arizona + 10 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Mesa", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Long Beach", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01119963" } ] }