{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Placebo+Effect",
    "query": {
      "condition": "Placebo Effect"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 2301,
    "total_pages": 231,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Placebo+Effect&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T01:40:10.746Z",
  "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": "NCT00580190",
      "title": "Evaluation Of PF-00572778 And Alprazolam On Naloxone Challenge In Healthy Subjects",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "alprazolam",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "PF-00572778",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 47,
      "start_date": "2007-09",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2009-09-14",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580190"
    },
    {
      "nct_id": "NCT02770170",
      "title": "Dose Finding, Efficacy and Safety of BI 655064 in Patients With Active Lupus Nephritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lupus Nephritis"
      ],
      "interventions": [
        {
          "name": "BI 655064 dose 1",
          "type": "DRUG"
        },
        {
          "name": "BI 655064 dose 2",
          "type": "DRUG"
        },
        {
          "name": "BI 655064 dose 3",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "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": 121,
      "start_date": "2016-05-16",
      "completion_date": "2020-08-18",
      "has_results": true,
      "last_update_posted_date": "2025-10-16",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Doral, Florida • Kissimmee, Florida + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Plantation",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02770170"
    },
    {
      "nct_id": "NCT01677169",
      "title": "Effect of Noni Juice on Lipid Peroxidation-derived DNA Adducts in Heavy Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "DNA Damage"
      ],
      "interventions": [
        {
          "name": "Noni juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Tahitian Noni International, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 317,
      "start_date": "2000-09",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2019-09-11",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 1,
      "location_summary": "Rockford, Illinois",
      "locations": [
        {
          "city": "Rockford",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01677169"
    },
    {
      "nct_id": "NCT01327066",
      "title": "Electrocardiographic (ECG) Safety Study of Droxidopa at Clinical and Supratherapeutic Dose",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "QTc Interval"
      ],
      "interventions": [
        {
          "name": "Droxidopa",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chelsea Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 52,
      "start_date": "2011-03",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-03-07",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01327066"
    },
    {
      "nct_id": "NCT03502902",
      "title": "The Safety, Tolerability and Pharmacokinetic Study of HEC68498 in Healthy Male and Female Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis"
      ],
      "interventions": [
        {
          "name": "HEC 68498",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sunshine Lake Pharma Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 55,
      "start_date": "2018-04-26",
      "completion_date": "2019-03-15",
      "has_results": false,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 1,
      "location_summary": "Daytona Beach, Florida",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03502902"
    },
    {
      "nct_id": "NCT01057251",
      "title": "Nebivolol in Patients With Systolic Stage 2 Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Nebivolol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 433,
      "start_date": "2010-03",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2012-01-11",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 36,
      "location_summary": "Foley, Alabama • Montgomery, Alabama • Chino, California + 30 more",
      "locations": [
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Chino",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01057251"
    },
    {
      "nct_id": "NCT01579565",
      "title": "Safety, Efficacy and Pharmacokinetics of OMS302 in Subjects Undergoing Intraocular Lens Replacement With Phacoemulsification",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Intraocular Lens Replacement"
      ],
      "interventions": [
        {
          "name": "OMS302",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Omeros Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 416,
      "start_date": "2012-04",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 13,
      "location_summary": "Chandler, Arizona • Los Angeles, California • Fort Myers, Florida + 10 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01579565"
    },
    {
      "nct_id": "NCT04727528",
      "title": "Study of the Effect of SZC on Serum Potassium and Serum Bicarbonate in Patients With Hyperkalemia and Metabolic Acidosis Associated With Chronic Kidney Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hyperkalaemia",
        "Metabolic Acidosis",
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Sodium zirconium cyclosilicate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 39,
      "start_date": "2021-03-22",
      "completion_date": "2022-09-14",
      "has_results": true,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 29,
      "location_summary": "Florence, Alabama • Chula Vista, California • Downey, California + 25 more",
      "locations": [
        {
          "city": "Florence",
          "state": "Alabama"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "El Centro",
          "state": "California"
        },
        {
          "city": "South Gate",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04727528"
    },
    {
      "nct_id": "NCT02802241",
      "title": "Effects of Open-label vs Double-blind Treatment in IBS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Irritable Bowel Syndrome",
        "Placebo Effect",
        "Placebos",
        "Peppermint Oil"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "peppermint oil",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 340,
      "start_date": "2016-06",
      "completion_date": "2019-01",
      "has_results": true,
      "last_update_posted_date": "2024-01-22",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02802241"
    },
    {
      "nct_id": "NCT01444872",
      "title": "Study to Evaluate TRV120027 on Renal Pharmacodynamics in Patients With Heart Failure and Renal Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure",
        "Kidney Disease"
      ],
      "interventions": [
        {
          "name": "TRV120027",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Trevena Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 17,
      "start_date": "2011-08",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2012-08-27",
      "last_synced_at": "2026-06-26T01:40:10.746Z",
      "location_count": 4,
      "location_summary": "Orlando, Florida • Minneapolis, Minnesota • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01444872"
    }
  ]
}