{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+oral+capsule%28s%29&page=2",
    "query": {
      "intervention": "Placebo oral capsule(s)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 57,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+oral+capsule%28s%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+oral+capsule%28s%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T00:15:25.812Z",
  "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": "NCT03291041",
      "title": "A Proof of Concept Study to Evaluate the Effects of Tasimelteon and Placebo in Travelers With Jet Lag Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Jet Lag Disorder"
      ],
      "interventions": [
        {
          "name": "Tasimelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 25,
      "start_date": "2016-07",
      "completion_date": "2017-11",
      "has_results": true,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 3,
      "location_summary": "Alameda, California • Santa Monica, California • Chevy Chase, Maryland",
      "locations": [
        {
          "city": "Alameda",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Chevy Chase",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03291041"
    },
    {
      "nct_id": "NCT06308653",
      "title": "Psilocybin for Major Depressive Disorder (MDD)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "Psilocybin 25 mg",
          "type": "DRUG"
        },
        {
          "name": "Inactive Placebo",
          "type": "DRUG"
        },
        {
          "name": "Psilocybin 5 mg",
          "type": "DRUG"
        },
        {
          "name": "Psychosocial Support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Usona Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 238,
      "start_date": "2024-03-13",
      "completion_date": "2027-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • Fayetteville, Arkansas • Little Rock, Arkansas + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06308653"
    },
    {
      "nct_id": "NCT01049178",
      "title": "Randomized Controlled Trial of Silymarin in Asthma",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Atopic Asthma"
      ],
      "interventions": [
        {
          "name": "Oral Silymarin",
          "type": "DRUG"
        },
        {
          "name": "Oral Silymarin, maintenance dose",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2010-09",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2014-02-24",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01049178"
    },
    {
      "nct_id": "NCT00334685",
      "title": "[S,S]-Reboxetine Add-On Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "[S,S]-Reboxetine + Pregabalin",
          "type": "DRUG"
        },
        {
          "name": "Pregabalin",
          "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": 136,
      "start_date": "2006-08-22",
      "completion_date": "2007-10-11",
      "has_results": false,
      "last_update_posted_date": "2019-12-16",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 7,
      "location_summary": "Huntsville, Alabama • Gilbert, Arizona • North Dartmouth, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Amherst",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00334685"
    },
    {
      "nct_id": "NCT01288079",
      "title": "A Study to Assess the Safety and Effect of TC-5214 in Patients With Major Depressive Disorder.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "TC-5214",
          "type": "DRUG"
        },
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 145,
      "start_date": "2011-02",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2012-11-20",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 25,
      "location_summary": "Beverly Hills, California • Chino, California • Garden Grove, California + 22 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Chino",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01288079"
    },
    {
      "nct_id": "NCT02831855",
      "title": "Methotrexate Withdrawal Study of Tofacitinib Modified Release Formulation in Subjects With Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "CP-690,550",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 694,
      "start_date": "2016-09-01",
      "completion_date": "2018-12-17",
      "has_results": true,
      "last_update_posted_date": "2019-12-04",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 59,
      "location_summary": "Huntsville, Alabama • Gilbert, Arizona • Peoria, Arizona + 48 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Fair Oaks",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02831855"
    },
    {
      "nct_id": "NCT00998920",
      "title": "Multi-Dose Safety and Pharmacokinetic Study of S-Equol in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "S-equol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ausio Pharmaceuticals, LLC",
      "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": 41,
      "start_date": "2008-12",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2012-07-12",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00998920"
    },
    {
      "nct_id": "NCT01433835",
      "title": "Safety and Pharmacokinetics of Single Oral Doses of MBX-400 in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Adult Subjects"
      ],
      "interventions": [
        {
          "name": "MBX-400",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Microbiotix, Inc.",
      "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": 48,
      "start_date": "2011-09",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2013-08-02",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01433835"
    },
    {
      "nct_id": "NCT04306146",
      "title": "Study of CAD-9303 in Subjects With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "CAD-9303",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cadent Therapeutics",
      "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": 103,
      "start_date": "2020-02-28",
      "completion_date": "2021-11-24",
      "has_results": false,
      "last_update_posted_date": "2021-12-15",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 2,
      "location_summary": "Long Beach, California • Marlton, New Jersey",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Marlton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04306146"
    },
    {
      "nct_id": "NCT03954600",
      "title": "A Study to Assess the Safety, Tolerability and PK of NPT520-34 in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "NPT520-34 (125 mg)",
          "type": "DRUG"
        },
        {
          "name": "Placebos (125 mg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neuropore Therapies Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 49,
      "start_date": "2019-05-05",
      "completion_date": "2019-10-09",
      "has_results": false,
      "last_update_posted_date": "2020-01-13",
      "last_synced_at": "2026-10-06T00:15:25.812Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03954600"
    }
  ]
}