{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=88",
    "query": {
      "intervention": "placebo",
      "page": 88
    },
    "page_size": 10
  },
  "pagination": {
    "page": 88,
    "page_size": 10,
    "total_count": 33137,
    "total_pages": 3314,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=89&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=87&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-04T01:41:01.846Z",
  "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": "NCT01788631",
      "title": "A Phase II Trial of Regadenoson in Sickle Cell Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Anemia"
      ],
      "interventions": [
        {
          "name": "Regadenoson",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "10 Years to 70 Years"
      },
      "enrollment_count": 100,
      "start_date": "2013-07",
      "completion_date": "2016-12-12",
      "has_results": true,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 12,
      "location_summary": "Oakland, California • Chicago, Illinois • Baltimore, Maryland + 7 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01788631"
    },
    {
      "nct_id": "NCT01268553",
      "title": "Transition From Injectable Prostacyclin Medication to Inhaled Prostacyclin Medication",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Treprostinil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center",
      "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": 6,
      "start_date": "2010-08",
      "completion_date": "2016-10-05",
      "has_results": true,
      "last_update_posted_date": "2017-09-01",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 3,
      "location_summary": "Tucson, Arizona • San Francisco, California • Torrance, California",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01268553"
    },
    {
      "nct_id": "NCT01517945",
      "title": "Attention and Interpretation Modification (AIM) for Fear of Cancer Recurrence: An Intervention Development Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Rare Cancer"
      ],
      "interventions": [
        {
          "name": "AIM materials and assessments",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 252,
      "start_date": "2012-01",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01517945"
    },
    {
      "nct_id": "NCT01810939",
      "title": "A Two-Part, Single-Blind, Phase 3 Study Evaluating the Efficacy and Safety of Patiromer for the Treatment of Hyperkalemia (OPAL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease (CKD)",
        "Hyperkalemia (HK)"
      ],
      "interventions": [
        {
          "name": "Patiromer",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Relypsa, Inc.",
      "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": 243,
      "start_date": "2013-02",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2021-06-03",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 14,
      "location_summary": "Azusa, California • Los Angeles, California • Sacramento, California + 11 more",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Ventura",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01810939"
    },
    {
      "nct_id": "NCT00422812",
      "title": "Staccato Prochlorperazine in Migraine (Out Patient)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Migraine Headache",
        "Aura"
      ],
      "interventions": [
        {
          "name": "Inhaled Placebo",
          "type": "DRUG"
        },
        {
          "name": "Inhaled PCZ 5 mg",
          "type": "DRUG"
        },
        {
          "name": "Inhaled PCZ 7.5 mg",
          "type": "DRUG"
        },
        {
          "name": "Inhaled PCZ 10 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexza Pharmaceuticals, Inc.",
      "sponsor_class": "UNKNOWN",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 400,
      "start_date": "2006-04",
      "completion_date": "2007-01",
      "has_results": true,
      "last_update_posted_date": "2018-01-25",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 25,
      "location_summary": "Scottsdale, Arizona • San Francisco, California • Santa Monica, California + 22 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00422812"
    },
    {
      "nct_id": "NCT00823381",
      "title": "Effect of Resvida, a Comparison With Calorie Restriction Regimen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Metabolic Syndrome",
        "Diabetes",
        "Aging"
      ],
      "interventions": [
        {
          "name": "resveratrol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "Calorie Restriction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 70 Years · Female only"
      },
      "enrollment_count": 58,
      "start_date": "2009-01",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2013-12-10",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00823381"
    },
    {
      "nct_id": "NCT01585181",
      "title": "Safety and Immunogenicity of the Live Oral Cholera Vaccine Candidate PXVX0200",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cholera"
      ],
      "interventions": [
        {
          "name": "PXVX0200",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bavarian Nordic",
      "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": 66,
      "start_date": "2012-04",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2023-06-27",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 2,
      "location_summary": "Lexington, Kentucky • Baltimore, Maryland",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01585181"
    },
    {
      "nct_id": "NCT07686081",
      "title": "Study to Evaluate the Efficacy and Safety of Ponesimod (VSP-128) in Patients With Moderately to Severely Active Ulcerative Colitis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ulcerative Colitis (UC)"
      ],
      "interventions": [
        {
          "name": "Ponesimod",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 150,
      "start_date": "2026-09",
      "completion_date": "2029-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 2,
      "location_summary": "Chula Vista, California • Nashville, Tennessee",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07686081"
    },
    {
      "nct_id": "NCT04817670",
      "title": "Study to Assess Efficacy and Safety of VIT-2763 (Vamifeport) in Subjects With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "VIT-2763 120 mg",
          "type": "DRUG"
        },
        {
          "name": "VIT-2763 360 mg",
          "type": "DRUG"
        },
        {
          "name": "VIT-2763 240 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo BID",
          "type": "DRUG"
        },
        {
          "name": "Placebo TID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vifor (International) Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 25,
      "start_date": "2021-11-18",
      "completion_date": "2024-03-07",
      "has_results": true,
      "last_update_posted_date": "2025-02-18",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04817670"
    },
    {
      "nct_id": "NCT02345070",
      "title": "Efficacy and Safety of SAR156597 in the Treatment of Idiopathic Pulmonary Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis"
      ],
      "interventions": [
        {
          "name": "SAR156597",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 327,
      "start_date": "2015-05-01",
      "completion_date": "2017-08-14",
      "has_results": true,
      "last_update_posted_date": "2022-03-24",
      "last_synced_at": "2026-11-04T01:41:01.846Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Loxahatchee Groves, Florida + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Loxahatchee Groves",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02345070"
    }
  ]
}