{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo",
    "query": {
      "intervention": "placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 32867,
    "total_pages": 3287,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-01T13:43:42.025Z",
  "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": "NCT04088240",
      "title": "Effects of Omega-3 Docosapentaenoic Acid on Lipids and Other Risk Factors for Cardiovascular Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Elevated Triglycerides",
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "DPA enriched n-3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "n-3 control",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 5,
      "start_date": "2019-09-04",
      "completion_date": "2021-01-31",
      "has_results": false,
      "last_update_posted_date": "2024-02-15",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04088240"
    },
    {
      "nct_id": "NCT07564791",
      "title": "A Study to Evaluate the Effects of the Libido Lift Supplement on Libido and Sexual Desire in Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Libido",
        "Sexual; Desire Absent"
      ],
      "interventions": [
        {
          "name": "Dietary Supplement: Libido Lift",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Bio Nature Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "35 Years to 75 Years · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2025-03-27",
      "completion_date": "2025-05-28",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07564791"
    },
    {
      "nct_id": "NCT03770091",
      "title": "Impact of TheraWorx Foam on Symptom Relief in Thumb Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis"
      ],
      "interventions": [
        {
          "name": "Theraworx",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "John Fowler",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2018-12-21",
      "completion_date": "2020-08-01",
      "has_results": true,
      "last_update_posted_date": "2021-07-14",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 3,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03770091"
    },
    {
      "nct_id": "NCT00115297",
      "title": "Montelukast for Early Life Wheezing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Lung Diseases",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Montelukast",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "3 Years",
        "sex": "ALL",
        "summary": "3 Months to 3 Years"
      },
      "enrollment_count": 62,
      "start_date": "2004-09",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2017-03-14",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00115297"
    },
    {
      "nct_id": "NCT04182997",
      "title": "Subjective Intraoperative Use of Epidural Steroid Administration Following Discectomy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lumbar Disc Herniation"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "saline 0.9%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2019-11-21",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04182997"
    },
    {
      "nct_id": "NCT02956213",
      "title": "Indoor Air Quality and Respiratory Symptoms in Former Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "HEPA portable air filter",
          "type": "OTHER"
        },
        {
          "name": "Sham Control/Active Comparator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2016-11",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2019-06-13",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02956213"
    },
    {
      "nct_id": "NCT05294913",
      "title": "Enhancing Emotional and Motivational Development to Support Well-being and Retention in Diverse University Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Contextualized Wish-Outcome-Obstacle-Plan (WOOP) intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2022-01-18",
      "completion_date": "2025-04-08",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05294913"
    },
    {
      "nct_id": "NCT05669924",
      "title": "Neural Correlates of Acute Pain Dynamics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-09-19",
      "completion_date": "2024-04-26",
      "has_results": false,
      "last_update_posted_date": "2024-05-01",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05669924"
    },
    {
      "nct_id": "NCT07049159",
      "title": "Safety, and Efficacy Study of ShigETEC, a Live, Attenuated, Oral Combination Vaccine to Prevent Shigella and ETEC Disease Delivered to Healthy Adults Ages 18 to 50 Years Old",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Shigella"
      ],
      "interventions": [
        {
          "name": "ShigETEC vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Challenge: Shigella flexneri 2457T at a dose of 1.5x10^3 CFU",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Eveliqure Biotechnologies GmbH",
      "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": 72,
      "start_date": "2025-06-30",
      "completion_date": "2027-05-23",
      "has_results": false,
      "last_update_posted_date": "2025-07-08",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07049159"
    },
    {
      "nct_id": "NCT05630859",
      "title": "Safety and Efficacy of GSK Neisseria Gonorrhoeae GMMA (NgG) Investigational Vaccine When Administered to Healthy Adults 18 to 50 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Sexually Transmitted Diseases"
      ],
      "interventions": [
        {
          "name": "NgG 12.5 µg investigational vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "NgG 25 µg investigational vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "NgG 50 µg investigational vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 1009,
      "start_date": "2022-11-28",
      "completion_date": "2025-05-22",
      "has_results": true,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-09-01T13:43:42.025Z",
      "location_count": 7,
      "location_summary": "Washington D.C., District of Columbia • Lenexa, Kansas • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05630859"
    }
  ]
}