{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28Capsules%29&page=2",
    "query": {
      "intervention": "Placebo (Capsules)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 4721,
    "total_pages": 473,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28Capsules%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28Capsules%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T05:55:30.635Z",
  "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": "NCT02979327",
      "title": "Cardiovascular Effects of Adderall in Healthy Adults.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hemodynamics",
        "Cardiovascular System"
      ],
      "interventions": [
        {
          "name": "Adderall capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2018-06-01",
      "completion_date": "2021-07-23",
      "has_results": true,
      "last_update_posted_date": "2025-01-14",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02979327"
    },
    {
      "nct_id": "NCT00920686",
      "title": "Study of NXN 188 for the Treatment of Migraine With Aura",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Migraine With Aura"
      ],
      "interventions": [
        {
          "name": "NXN-188",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "sumatriptan succinate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NeurAxon Inc.",
      "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": 239,
      "start_date": "2009-06",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2014-08-11",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 16,
      "location_summary": "Newport Beach, California • Oceanside, California • San Francisco, California + 13 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00920686"
    },
    {
      "nct_id": "NCT04652882",
      "title": "Evaluating the Effects of Tasimelteon vs. Placebo in Delayed Sleep-Wake Phase Disorder (DSWPD)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sleep Wake Disorders",
        "Sleep Disorders, Circadian Rhythm",
        "Chronobiology Disorders"
      ],
      "interventions": [
        {
          "name": "Tasimelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "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": 70,
      "start_date": "2020-12-09",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Redwood City, California • Aurora, Colorado + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04652882"
    },
    {
      "nct_id": "NCT04603924",
      "title": "Study of Niclosamide in Moderate and Severe Hospitalized Coronavirus-19 (COVID-19) Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Niclosamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NeuroBo 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": 49,
      "start_date": "2020-10-07",
      "completion_date": "2022-02-16",
      "has_results": true,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 8,
      "location_summary": "Sheffield, Alabama • Irvine, California • Jacksonville, Florida + 5 more",
      "locations": [
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04603924"
    },
    {
      "nct_id": "NCT02006654",
      "title": "Study of Idalopirdine in Patients With Mild - Moderate Alzheimer's Disease Treated With an Acetylcholinesterase Inhibitor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Idalopirdine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "H. Lundbeck A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 734,
      "start_date": "2014-03",
      "completion_date": "2017-01",
      "has_results": true,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 26,
      "location_summary": "Mesa, Arizona • Bellflower, California • Costa Mesa, California + 23 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02006654"
    },
    {
      "nct_id": "NCT05007470",
      "title": "Alcoholic Liver Disease and the Gut Microbiome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use Disorder",
        "Alcoholic Liver Disease",
        "Microbiome"
      ],
      "interventions": [
        {
          "name": "VSL #3 112.5 Capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2022-01-31",
      "completion_date": "2025-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-06",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05007470"
    },
    {
      "nct_id": "NCT01058941",
      "title": "Lipoic Acid and Omega-3 Fatty Acids for Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Lipoic acid and fish oil concentrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2010-09",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2017-04-13",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01058941"
    },
    {
      "nct_id": "NCT01155154",
      "title": "Antibiotic Prophylaxis for Simple Hand Lacerations",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Simple Hand Lacerations"
      ],
      "interventions": [
        {
          "name": "cephalexin",
          "type": "DRUG"
        },
        {
          "name": "clindamycin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "State University of New York - Downstate Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2010-02",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2014-11-07",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 3,
      "location_summary": "Brooklyn, New York • Staten Island, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01155154"
    },
    {
      "nct_id": "NCT01451827",
      "title": "8-Week Study of Tolvaptan Dose Forms in Autosomal Dominant Polycystic Kidney Disease (ADPKD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autosomal Dominant Polycystic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Tolvaptan MR",
          "type": "DRUG"
        },
        {
          "name": "Tolvaptan IR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "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": 178,
      "start_date": "2011-10",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2018-09-27",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 35,
      "location_summary": "Huntsville, Alabama • Mobile, Alabama • Peoria, Arizona + 31 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01451827"
    },
    {
      "nct_id": "NCT03078322",
      "title": "AV-101 as Adjunct Antidepressant Therapy in Patients With Major Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "AV-101",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VistaGen Therapeutics, Inc.",
      "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": 180,
      "start_date": "2018-03-05",
      "completion_date": "2019-10-01",
      "has_results": false,
      "last_update_posted_date": "2019-10-09",
      "last_synced_at": "2026-09-30T05:55:30.635Z",
      "location_count": 22,
      "location_summary": "Garden Grove, California • Los Angeles, California • National City, California + 18 more",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03078322"
    }
  ]
}