{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo&page=20",
    "query": {
      "intervention": "Placebo",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 33121,
    "total_pages": 3313,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T02:29:42.593Z",
  "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": "NCT03203915",
      "title": "Metabolic Response to Chardonnay Grape Marc Powder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dyslipidemia",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Chardonnay grape marc marc high polyphenol dose (120mg)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Chardonnay grape marc powder low polyphenol dose (75mg)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo (0mg)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "35 Years to 65 Years"
      },
      "enrollment_count": 31,
      "start_date": "2017-08-01",
      "completion_date": "2019-06-28",
      "has_results": false,
      "last_update_posted_date": "2021-07-16",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03203915"
    },
    {
      "nct_id": "NCT05381025",
      "title": "Kavalactones on Sleep and Cortisol in Healthy Special Forces Trainees",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Kava (Piper methysticum) extract",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Thorne HealthTech, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2022-05-11",
      "completion_date": "2022-10-09",
      "has_results": false,
      "last_update_posted_date": "2022-10-13",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 1,
      "location_summary": "Virginia Beach, Virginia",
      "locations": [
        {
          "city": "Virginia Beach",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05381025"
    },
    {
      "nct_id": "NCT02201940",
      "title": "Sofosbuvir/Velpatasvir Fixed Dose Combination for 12 Weeks in Adults With Chronic HCV Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "SOF/VEL",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 741,
      "start_date": "2014-07",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2018-11-15",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 34,
      "location_summary": "Little Rock, Arkansas • Long Beach, California • Los Angeles, California + 27 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02201940"
    },
    {
      "nct_id": "NCT05357989",
      "title": "A Double-blind Study to Investigate Efficacy and Safety of Buntanetap Compared With Placebo in Participants With Early PD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease, Idiopathic"
      ],
      "interventions": [
        {
          "name": "buntanetap/posiphen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Annovis Bio Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 523,
      "start_date": "2022-08-03",
      "completion_date": "2023-12-04",
      "has_results": true,
      "last_update_posted_date": "2025-03-03",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Sun City, Arizona • Fountain Valley, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05357989"
    },
    {
      "nct_id": "NCT07479550",
      "title": "Study of Psilocybin Under Anesthesia Controlled by EEG",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depression"
      ],
      "interventions": [
        {
          "name": "Psilocybin (Usona Institute)",
          "type": "DRUG"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2026-07",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07479550"
    },
    {
      "nct_id": "NCT01472991",
      "title": "Safety & Efficacy of TC-5619 in Adults With Inattentive-predominant Attention Deficit/Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "TC-5619-238 5mg",
          "type": "DRUG"
        },
        {
          "name": "TC-5619-238 25mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Targacept 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": 250,
      "start_date": "2011-11",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2013-04-30",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 14,
      "location_summary": "Beverly Hills, California • National City, California • Colorado Springs, Colorado + 9 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01472991"
    },
    {
      "nct_id": "NCT00694291",
      "title": "Sorafenib in Hormone Naïve Biochemical Recurrence of Prostate Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Sorafenib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Fox Chase Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2008-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-03-06",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00694291"
    },
    {
      "nct_id": "NCT06919718",
      "title": "Impact of Vitamin D Supplements on Mental Health and Milk Composition in Mothers Living in Idaho",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Maternal Stress"
      ],
      "interventions": [
        {
          "name": "Vitamin D (Cholecalciferol )",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Idaho",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2024-12-04",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 2,
      "location_summary": "Coeur d'Alene, Idaho • Moscow, Idaho",
      "locations": [
        {
          "city": "Coeur d'Alene",
          "state": "Idaho"
        },
        {
          "city": "Moscow",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06919718"
    },
    {
      "nct_id": "NCT00086190",
      "title": "Study of Antidepressants in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease",
        "Depression"
      ],
      "interventions": [
        {
          "name": "paroxetine",
          "type": "DRUG"
        },
        {
          "name": "venlafaxine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 115,
      "start_date": "2005-06",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2013-01-04",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 15,
      "location_summary": "San Francisco, California • Gainesville, Florida • Miami, Florida + 11 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00086190"
    },
    {
      "nct_id": "NCT06327152",
      "title": "Caffeine Use in the Management of Preterm Infants",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Apnea of Prematurity"
      ],
      "interventions": [
        {
          "name": "Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Sterile Water Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Week",
        "maximum_age": "40 Weeks",
        "sex": "ALL",
        "summary": "1 Week to 40 Weeks"
      },
      "enrollment_count": 80,
      "start_date": "2024-02-22",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-11-01T02:29:42.593Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06327152"
    }
  ]
}