{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Open-Label+Placebo&page=22",
    "query": {
      "intervention": "Open-Label Placebo",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 1998,
    "total_pages": 200,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Open-Label+Placebo&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Open-Label+Placebo&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T17:01:20.555Z",
  "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": "NCT01409122",
      "title": "Safety, Tolerability, and PK Parameters of Sodium Nitrite Inhalation Solution in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Hypertension",
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "15 mg sodium nitrite inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "90 mg sodium nitrite inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "45 mg sodium nitrite inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "120 mg sodium nitrite inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "25% MTD sodium nitrite inhalation solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aires Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "56 Years",
        "sex": "ALL",
        "summary": "18 Years to 56 Years"
      },
      "enrollment_count": 42,
      "start_date": "2011-07",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-11-09",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01409122"
    },
    {
      "nct_id": "NCT05832931",
      "title": "Parathyroid Hormone (PTH) Attenuation Trial in Hemodialysis-1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "End-stage Kidney Disease (ESKD)"
      ],
      "interventions": [
        {
          "name": "PLS240",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Open-Label Extension PLS240",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pathalys Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 362,
      "start_date": "2023-04-28",
      "completion_date": "2025-07-28",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 49,
      "location_summary": "Pine Bluff, Arkansas • Anaheim, California • Beverly Hills, California + 41 more",
      "locations": [
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Fairfield",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05832931"
    },
    {
      "nct_id": "NCT04124653",
      "title": "A Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of PF-06842874 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "PF-06842874",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Relative Bioavailability",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 44,
      "start_date": "2019-10-17",
      "completion_date": "2021-07-26",
      "has_results": false,
      "last_update_posted_date": "2021-12-06",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04124653"
    },
    {
      "nct_id": "NCT01313624",
      "title": "Safety and Effectiveness of AZLI (an Inhaled Antibiotic) in Adults With Non-Cystic Fibrosis Bronchiectasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bronchiectasis"
      ],
      "interventions": [
        {
          "name": "AZLI",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 266,
      "start_date": "2011-04",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2014-04-16",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 36,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Los Angeles, California + 29 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01313624"
    },
    {
      "nct_id": "NCT06558097",
      "title": "Safety, Tolerability, and Pharmacokinetics of XXB750 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "XXB750 in Healthy Participants"
      ],
      "interventions": [
        {
          "name": "XXB750",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 77,
      "start_date": "2020-07-29",
      "completion_date": "2023-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-08-16",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06558097"
    },
    {
      "nct_id": "NCT00316459",
      "title": "Study Evaluating the Effects of Multiple Oral Doses of ERB-041 on Cardiac Repolarization in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy",
        "Long QT Syndrome"
      ],
      "interventions": [
        {
          "name": "ERB-041",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "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": 64,
      "start_date": "2006-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2007-04-13",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00316459"
    },
    {
      "nct_id": "NCT05836220",
      "title": "Parathyroid Hormone (PTH) Attenuation Trial in Hemodialysis-2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "End Stage Kidney Disease"
      ],
      "interventions": [
        {
          "name": "PLS240",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Open-Label Extension PLS240",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pathalys Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 412,
      "start_date": "2023-05-15",
      "completion_date": "2025-08-05",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 50,
      "location_summary": "Anaheim, California • Chula Vista, California • Escondido, California + 43 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05836220"
    },
    {
      "nct_id": "NCT02794480",
      "title": "Phase IV Study in Asthma Subjects for Dry Powder Inhaler (DPI) Versus (vs) Metered Dose Inhaler (MDI) Correct Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "ELLIPTA DPI",
          "type": "DEVICE"
        },
        {
          "name": "GSK MDI",
          "type": "DEVICE"
        },
        {
          "name": "AZ MDI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 324,
      "start_date": "2016-08-22",
      "completion_date": "2016-12-15",
      "has_results": true,
      "last_update_posted_date": "2019-07-02",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 20,
      "location_summary": "Huntington Beach, California • Aventura, Florida • Clearwater, Florida + 17 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02794480"
    },
    {
      "nct_id": "NCT01161524",
      "title": "A Study With an Open-label Extension Phase to Evaluate the Effect of Perampanel (E2007) on Cognition, Growth, Safety, Tolerability, and Pharmacokinetics in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "Perampanel",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 133,
      "start_date": "2010-09",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2019-05-15",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 11,
      "location_summary": "Aurora, Colorado • Gulf Breeze, Florida • Orlando, Florida + 8 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Gulf Breeze",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01161524"
    },
    {
      "nct_id": "NCT00517933",
      "title": "Sildenafil Trial of Exercise Performance in Idiopathic Pulmonary Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Fibrosis",
        "Hypertension, Pulmonary"
      ],
      "interventions": [
        {
          "name": "Sildenafil Citrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2007-08",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2015-06-24",
      "last_synced_at": "2026-10-20T17:01:20.555Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00517933"
    }
  ]
}