{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+treatment+to+blind+study",
    "query": {
      "intervention": "Placebo treatment to blind study"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6450,
    "total_pages": 645,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+treatment+to+blind+study&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T11:16:24.335Z",
  "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": "NCT05813847",
      "title": "Herniorrhaphy for Postoperative Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hernia, Inguinal",
        "Post Operative Pain"
      ],
      "interventions": [
        {
          "name": "local anaesthetic injection of CPL-01",
          "type": "DRUG"
        },
        {
          "name": "Morphine (rescue medication)",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen (rescue medication)",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone (rescue medication)",
          "type": "DRUG"
        },
        {
          "name": "local anaesthetic injection of placebo",
          "type": "DRUG"
        },
        {
          "name": "local anaesthetic injection of ropivacaine HCl",
          "type": "DRUG"
        },
        {
          "name": "Open inguinal hernia repair",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Cali Pharmaceuticals LLC",
      "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": 518,
      "start_date": "2023-04-18",
      "completion_date": "2025-10-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05813847"
    },
    {
      "nct_id": "NCT02267135",
      "title": "Efficacy and Safety of Subcutaneous Secukinumab in Adults With Moderate to Severe Scalp Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Scalp Psoriasis"
      ],
      "interventions": [
        {
          "name": "Secukinumab 300 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2014-09-29",
      "completion_date": "2015-12-07",
      "has_results": true,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 17,
      "location_summary": "Sacramento, California • Aurora, Colorado • Trumbull, Connecticut + 13 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Trumbull",
          "state": "Connecticut"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02267135"
    },
    {
      "nct_id": "NCT00688493",
      "title": "Effects of Single Oral Dose Dapagliflozin QT Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match moxifloxacin and dapagliflozin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 36,
      "start_date": "2007-07",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2012-03-21",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00688493"
    },
    {
      "nct_id": "NCT02709655",
      "title": "Active Reference (Fluoxetine) Fixed-dose Study of Vortioxetine in Paediatric Participants Aged 7 to 11 Years With Major Depressive Disorder (MDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "Vortioxetine 10 mg/day",
          "type": "DRUG"
        },
        {
          "name": "Vortioxetine 20 mg/day",
          "type": "DRUG"
        },
        {
          "name": "Fluoxetine 20mg/day",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "H. Lundbeck A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "7 Years to 11 Years"
      },
      "enrollment_count": 683,
      "start_date": "2016-05-18",
      "completion_date": "2022-01-21",
      "has_results": true,
      "last_update_posted_date": "2022-09-22",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 34,
      "location_summary": "Little Rock, Arkansas • Imperial, California • Lemon Grove, California + 29 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Imperial",
          "state": "California"
        },
        {
          "city": "Lemon Grove",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02709655"
    },
    {
      "nct_id": "NCT00175825",
      "title": "A Dose-ranging Study With Brivaracetam in Patients From 16 to 65 Years With Refractory Partial Onset Seizures.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Brivaracetam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "UCB Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 210,
      "start_date": "2005-11-07",
      "completion_date": "2006-06-29",
      "has_results": true,
      "last_update_posted_date": "2018-10-02",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Fresno, California + 23 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00175825"
    },
    {
      "nct_id": "NCT00573157",
      "title": "The Efficacy and Safety of Atacicept in Combination With Mycophenolate Mofetil Used to Treat Lupus Nephritis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Lupus Nephritis"
      ],
      "interventions": [
        {
          "name": "Atacicept",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Corticosteroids",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EMD Serono",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2007-12",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2016-03-23",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 12,
      "location_summary": "New Orleans, Louisiana • Shreveport, Louisiana • Detroit, Michigan + 9 more",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00573157"
    },
    {
      "nct_id": "NCT02970019",
      "title": "Safety and Tolerability Study of K0706 in Subjects With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "K0706",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sun Pharma Advanced Research Company Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2017-03-30",
      "completion_date": "2019-05-28",
      "has_results": false,
      "last_update_posted_date": "2020-03-31",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 5,
      "location_summary": "Long Beach, California • Panorama City, California • DeLand, Florida + 2 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Panorama City",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02970019"
    },
    {
      "nct_id": "NCT01192906",
      "title": "A Study of RO4917838 (Bitopertin) in Patients With Persistent, Predominant Negative Symptoms of Schizophrenia (WN25309)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "bitopertin [RO4917838]",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 624,
      "start_date": "2010-12",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 21,
      "location_summary": "Carson, California • Oceanside, California • San Diego, California + 17 more",
      "locations": [
        {
          "city": "Carson",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01192906"
    },
    {
      "nct_id": "NCT02616315",
      "title": "Efficacy of Naltrexone HCl/Bupropion HCl Extended Release Versus Placebo for Treatment of Weight Regain in Participants Post Bariatric Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Weight Regain Post Bariatric Surgery"
      ],
      "interventions": [
        {
          "name": "Naltrexone HCl/Bupropion HCl Placebo",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone HCl/Bupropion HCl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2016-02",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2016-04-08",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Boston, Massachusetts",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02616315"
    },
    {
      "nct_id": "NCT02087917",
      "title": "A 4-week, Randomized, Placebo-Controlled, Double-Blind, Efficacy and Safety Study of HS-25 in Adults With Primary Hypercholesterolemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Hypercholesterolemia"
      ],
      "interventions": [
        {
          "name": "HS-25",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Zhejiang Hisun Pharmaceutical Co. Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 376,
      "start_date": "2014-03",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-01-06",
      "last_synced_at": "2026-09-29T11:16:24.335Z",
      "location_count": 27,
      "location_summary": "Chandler, Arizona • Phoenix, Arizona • West Hills, California + 24 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "West Hills",
          "state": "California"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02087917"
    }
  ]
}