{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=double-blind+placebo",
    "query": {
      "intervention": "double-blind placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16188,
    "total_pages": 1619,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=double-blind+placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T03:47:23.428Z",
  "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": "NCT00609323",
      "title": "Lidocaine and Tetracaine Cream to Treat Postherpetic Neuralgia (PHN)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "lidocaine and tetracaine cream 7%/7%",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ZARS Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2008-01",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2012-03-29",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 6,
      "location_summary": "Lexington, Kentucky • High Point, North Carolina • Winston-Salem, North Carolina + 3 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "High Point",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Norman",
          "state": "Oklahoma"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00609323"
    },
    {
      "nct_id": "NCT00710580",
      "title": "Study Comparing the Efficacy and Safety of ABT-874 to Etanercept and Placebo in Subjects With Moderate to Severe Chronic Plaque Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Moderate to Severe Plaque Psoriasis"
      ],
      "interventions": [
        {
          "name": "ABT-874",
          "type": "BIOLOGICAL"
        },
        {
          "name": "etanercept",
          "type": "BIOLOGICAL"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "AbbVie (prior sponsor, Abbott)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2008-07",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2013-01-18",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 42,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00710580"
    },
    {
      "nct_id": "NCT00006079",
      "title": "Eflornithine To Prevent Cervical Cancer in Patients With Cervical Intraepithelial Neoplasia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cervical Cancer",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "Eflornithine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 150,
      "start_date": "1998-06-19",
      "completion_date": "2004-04-27",
      "has_results": false,
      "last_update_posted_date": "2018-10-25",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006079"
    },
    {
      "nct_id": "NCT01408303",
      "title": "[E]PANOVA Combined With a [S]TATIN in [P]ATIENTS With HYPERT[R]IGLYCER[I]DEMIA to Reduce Non-HDL CHOLES[T]EROL",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertriglyceridemia",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Olive oil, 4g",
          "type": "DRUG"
        },
        {
          "name": "omega-3-carboxylic acids, 2g",
          "type": "DRUG"
        },
        {
          "name": "omega-3-carboxylic acids, 4g",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 646,
      "start_date": "2011-08",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2014-12-05",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 89,
      "location_summary": "Muscle Shoals, Alabama • Chandler, Arizona • Phoenix, Arizona + 78 more",
      "locations": [
        {
          "city": "Muscle Shoals",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Encinitas",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01408303"
    },
    {
      "nct_id": "NCT00004861",
      "title": "Gemcitabine With or Without CI-994 in Treating Patients With Advanced Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "tacedinaline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1999-10",
      "completion_date": "2001-09",
      "has_results": false,
      "last_update_posted_date": "2012-08-10",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Tampa, Florida • Baltimore, Maryland + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004861"
    },
    {
      "nct_id": "NCT00784654",
      "title": "Double-blind, Placebo-controlled, Randomised Withdrawal, Extension, Safety and Efficacy Study of LDX in Children and Adolescents Aged 6-17",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Lisdexamfetamine dimesylate (LDX)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 276,
      "start_date": "2009-01-27",
      "completion_date": "2011-10-26",
      "has_results": true,
      "last_update_posted_date": "2021-06-09",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 4,
      "location_summary": "Rolling Hills Estates, California • South Miami, Florida • Overland Park, Kansas + 1 more",
      "locations": [
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00784654"
    },
    {
      "nct_id": "NCT02205554",
      "title": "Omnitram Pharmacokinetic Study In Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Omnitram",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Syntrix Biosystems, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "21 Years to 55 Years · Male only"
      },
      "enrollment_count": 43,
      "start_date": "2014-08",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2014-10-15",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02205554"
    },
    {
      "nct_id": "NCT04421456",
      "title": "Trial to Investigate the Safety and Efficacy of GWP42003-P Versus Placebo as Adjunctive Therapy in Participants With Schizophrenia Experiencing Inadequate Response to Ongoing Antipsychotic Treatment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "GWP42003-P",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jazz Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 95,
      "start_date": "2020-08-18",
      "completion_date": "2022-03-16",
      "has_results": true,
      "last_update_posted_date": "2023-06-15",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 19,
      "location_summary": "Bentonville, Arkansas • Little Rock, Arkansas • Garden Grove, California + 16 more",
      "locations": [
        {
          "city": "Bentonville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Lemon Grove",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04421456"
    },
    {
      "nct_id": "NCT05849922",
      "title": "A Study to Test the Efficacy and Safety of SAR442970 in Adults With Hidradenitis Suppurativa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hidradenitis Suppurativa"
      ],
      "interventions": [
        {
          "name": "SAR442970",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "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": 86,
      "start_date": "2023-06-06",
      "completion_date": "2025-01-09",
      "has_results": true,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Ocala, Florida • Tampa, Florida + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Sandy Springs",
          "state": "Georgia"
        },
        {
          "city": "Johnston",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05849922"
    },
    {
      "nct_id": "NCT01939951",
      "title": "Efficacy and Safety of Activation Energy Serum (AES) Versus Placebo in Persistent Asthma.",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mild to Moderate Persistent Asthma"
      ],
      "interventions": [
        {
          "name": "Activation Energy Serum",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "California Allergy and Asthma Medical Group, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2014-01",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2013-09-11",
      "last_synced_at": "2026-09-10T03:47:23.428Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01939951"
    }
  ]
}