{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+oral+capsules&page=4",
    "query": {
      "intervention": "Placebo oral capsules",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 2669,
    "total_pages": 267,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+oral+capsules&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+oral+capsules&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T05:01:22.548Z",
  "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": "NCT05552755",
      "title": "Evaluate REC-4881 in Participants With Familial Adenomatous Polyposis (FAP)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Familial Adenomatous Polyposis"
      ],
      "interventions": [
        {
          "name": "REC-4881",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Recursion Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2023-07-10",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 17,
      "location_summary": "Scottsdale, Arizona • Tucson, Arizona • San Diego, California + 14 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05552755"
    },
    {
      "nct_id": "NCT01894516",
      "title": "Dose-finding Study of GLPG0634 as Monotherapy in Active Rheumatoid Arthritis (RA) Participants (DARWIN2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "GLPG0634",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lakefront Biotherapeutics NV",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 287,
      "start_date": "2013-10-08",
      "completion_date": "2015-05-29",
      "has_results": true,
      "last_update_posted_date": "2020-12-16",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 21,
      "location_summary": "Gilbert, Arizona • Mesa, Arizona • Phoenix, Arizona + 18 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Hemet",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01894516"
    },
    {
      "nct_id": "NCT07241585",
      "title": "Vitamin D Effects on Immune Microenvironment of Nonmelanoma Skin Cancer After Photodynamic Therapy (PDT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nonmelanoma Skin Cancer",
        "Basal Cell Carcinoma",
        "Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Vitamin D (VitD)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Photodynamic therapy (PDT)",
          "type": "OTHER"
        },
        {
          "name": "Mohs surgery or electrodessication & curettage (ED&C) (standard of care)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive 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": 54,
      "start_date": "2026-02-25",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07241585"
    },
    {
      "nct_id": "NCT07609108",
      "title": "Pridopidine Phase 3 Study in Huntington's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Huntington Disease"
      ],
      "interventions": [
        {
          "name": "Pridopidine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Prilenia",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "23 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "23 Years to 65 Years"
      },
      "enrollment_count": 400,
      "start_date": "2026-07-01",
      "completion_date": "2030-06",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Los Angeles, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07609108"
    },
    {
      "nct_id": "NCT04575038",
      "title": "CRISIS2: A Phase 2 Study of the Safety and Antiviral Activity of Brequinar in Non-hospitalized Pts With COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19 Infection"
      ],
      "interventions": [
        {
          "name": "Brequinar",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clear Creek Bio, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 115,
      "start_date": "2020-11-19",
      "completion_date": "2021-04-28",
      "has_results": true,
      "last_update_posted_date": "2022-04-19",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 14,
      "location_summary": "Homewood, Alabama • Long Beach, California • Doral, Florida + 11 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Somers Point",
          "state": "New Jersey"
        },
        {
          "city": "Monroe",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04575038"
    },
    {
      "nct_id": "NCT03055338",
      "title": "An Active-Controlled Early Phase Study of Elpipodect (MK-8189) in Adults With Schizophrenia (MK-8189-005)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia, Acute Episode"
      ],
      "interventions": [
        {
          "name": "Elpipodect",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching MK-8189",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 224,
      "start_date": "2017-03-08",
      "completion_date": "2018-01-09",
      "has_results": true,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 28,
      "location_summary": "Little Rock, Arkansas • Rogers, Arkansas • Bellflower, California + 23 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03055338"
    },
    {
      "nct_id": "NCT04679389",
      "title": "Acetazolamide Efficacy in Ataxia in PMM2-CDG",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Pmm2-CDG",
        "CDG1A"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Acetazolamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2021-03-17",
      "completion_date": "2024-01-24",
      "has_results": true,
      "last_update_posted_date": "2025-03-20",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 3,
      "location_summary": "Rochester, Minnesota • Philadelphia, Pennsylvania • Seattle, Washington",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04679389"
    },
    {
      "nct_id": "NCT00103740",
      "title": "Safety and Efficacy Trial With Zoledronic Acid for the Treatment of Paget's Disease of Bone, Including an Extended Observation Period",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Paget's Disease of Bone"
      ],
      "interventions": [
        {
          "name": "zoledronic acid",
          "type": "DRUG"
        },
        {
          "name": "placebo to zoledronic acid",
          "type": "DRUG"
        },
        {
          "name": "Risedronate",
          "type": "DRUG"
        },
        {
          "name": "Placebo to risedronate",
          "type": "DRUG"
        },
        {
          "name": "Calcium and vitamin D supplements",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 185,
      "start_date": "2002-04",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2012-06-04",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 10,
      "location_summary": "Tucson, Arizona • Colorado Springs, Colorado • Indianapolis, Indiana + 7 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00103740"
    },
    {
      "nct_id": "NCT04018300",
      "title": "Iron Supplementation and Side Effects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron Deficiency Anemia",
        "Iron Overload"
      ],
      "interventions": [
        {
          "name": "Ferrous sulfate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Aspiron",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Iowa State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2018-01-08",
      "completion_date": "2018-04-18",
      "has_results": false,
      "last_update_posted_date": "2019-07-12",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 1,
      "location_summary": "Ames, Iowa",
      "locations": [
        {
          "city": "Ames",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04018300"
    },
    {
      "nct_id": "NCT03446807",
      "title": "Safety and Efficacy of Droxidopa for Fatigue in Patients With Parkinsonism",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease",
        "Multiple System Atrophy",
        "Progressive Supranuclear Palsy"
      ],
      "interventions": [
        {
          "name": "Droxidopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-12",
      "completion_date": "2023-07-01",
      "has_results": false,
      "last_update_posted_date": "2022-03-02",
      "last_synced_at": "2026-10-06T05:01:22.548Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03446807"
    }
  ]
}