{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blinded+%28placebo%29&page=59",
    "query": {
      "intervention": "Blinded (placebo)",
      "page": 59
    },
    "page_size": 10
  },
  "pagination": {
    "page": 59,
    "page_size": 10,
    "total_count": 2213,
    "total_pages": 222,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blinded+%28placebo%29&page=60&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blinded+%28placebo%29&page=58&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T06:00:12.399Z",
  "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": "NCT01520987",
      "title": "Pharmacokinetics of BIA 9-1067 in Healthy Japanese and Caucasian Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "BIA 9-1067",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bial - Portela C S.A.",
      "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": 105,
      "start_date": "2011-05",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2016-06-20",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 1,
      "location_summary": "Honolulu, Hawaii",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01520987"
    },
    {
      "nct_id": "NCT03516487",
      "title": "Safety and Tolerability of SYNB1618 in Healthy Adult Volunteers and Adult Subjects With Phenylketonuria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Phenylketonuria",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "SYNB1618",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Synlogic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 70,
      "start_date": "2018-04-17",
      "completion_date": "2019-06-21",
      "has_results": false,
      "last_update_posted_date": "2021-05-13",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Pittsburgh, Pennsylvania • Nashville, Tennessee + 1 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03516487"
    },
    {
      "nct_id": "NCT01006707",
      "title": "Functional Magnetic Resonance Imaging of Opioid Withdrawal in Healthy Human Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Ondansetron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2010-11",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2017-11-17",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01006707"
    },
    {
      "nct_id": "NCT01536236",
      "title": "Spinal Cord Stimulation for Diabetic Polyneuropathy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetic Polyneuropathy"
      ],
      "interventions": [
        {
          "name": "ANS Eon™ Implantable Pulse Generator (Permanent Implant)",
          "type": "DEVICE"
        },
        {
          "name": "Placebo",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2011-10",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2019-01-30",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01536236"
    },
    {
      "nct_id": "NCT01497899",
      "title": "Safety and Efficacy of E/C/F/TAF (Genvoya®) Versus E/C/F/TDF (Stribild®) in HIV-1 Infected, Antiretroviral Treatment-Naive Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acquired Immunodeficiency Syndrome",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "E/C/F/TDF",
          "type": "DRUG"
        },
        {
          "name": "E/C/F/TAF Placebo",
          "type": "DRUG"
        },
        {
          "name": "E/C/F/TAF",
          "type": "DRUG"
        },
        {
          "name": "E/C/F/TDF 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": 279,
      "start_date": "2011-12-28",
      "completion_date": "2016-08-22",
      "has_results": true,
      "last_update_posted_date": "2018-11-19",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 40,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01497899"
    },
    {
      "nct_id": "NCT01225211",
      "title": "Study of VX-809 Alone and in Combination With VX-770 in Cystic Fibrosis (CF) Patients Homozygous or Heterozygous for the F508del-CFTR Mutation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Lumacaftor",
          "type": "DRUG"
        },
        {
          "name": "Ivacaftor",
          "type": "DRUG"
        },
        {
          "name": "Lumacaftor Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ivacaftor Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vertex Pharmaceuticals Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 312,
      "start_date": "2010-10",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2015-10-05",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 38,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • La Jolla, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01225211"
    },
    {
      "nct_id": "NCT00713349",
      "title": "Controlled Study of the Effect of Xenaderm® Ointment Vehicle Versus White Petrolatum on Healing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Wounds"
      ],
      "interventions": [
        {
          "name": "Xenaderm Vehicle",
          "type": "DRUG"
        },
        {
          "name": "Placebo comparator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Healthpoint",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2008-06",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2013-12-06",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00713349"
    },
    {
      "nct_id": "NCT00527878",
      "title": "Effect of Ranitidine on Hyper-IgE Recurrent Infection (Job's) Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "JOB's Syndrome",
        "Hyper-IgE Recurrent Infection Syndrome",
        "Immune Deficiency"
      ],
      "interventions": [
        {
          "name": "Ranitidine",
          "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": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2007-09",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2013-02-04",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00527878"
    },
    {
      "nct_id": "NCT00102193",
      "title": "Study for the Treatment of Ulcerative Colitis With Adacolumn",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Adacolumn Apheresis System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Otsuka America Pharmaceutical",
      "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": 168,
      "start_date": "2004-07",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2008-09-08",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Burbank, California • San Francisco, California + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00102193"
    },
    {
      "nct_id": "NCT04299490",
      "title": "Effects of Experimental Sleep Disturbances on Receptor Function of Study Drug",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sleep Disorder",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Sleep Fragmentation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Within-Subject test of blinded study medication (stimulant, benzodiazepine, opioid, cannabinoid, over-the-counter pain medication, or placebo)",
          "type": "DRUG"
        },
        {
          "name": "Sleep Continuity Disruption",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Undisturbed Sleep",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "48 Years",
        "sex": "ALL",
        "summary": "18 Years to 48 Years"
      },
      "enrollment_count": 148,
      "start_date": "2020-11-11",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-24",
      "last_synced_at": "2026-10-23T06:00:12.399Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04299490"
    }
  ]
}