{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+only",
    "query": {
      "intervention": "Placebo only"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6197,
    "total_pages": 620,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+only&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T10:01:40.714Z",
  "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": "NCT03375463",
      "title": "A Study of Tirzepatide (LY3298176) in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Tirzepatide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 52,
      "start_date": "2017-12-19",
      "completion_date": "2018-12-27",
      "has_results": true,
      "last_update_posted_date": "2024-02-05",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03375463"
    },
    {
      "nct_id": "NCT05095532",
      "title": "Autologous Mesenchymal Stromal Cells and Islet Co-transplantation in TP-IAT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Pancreatitis",
        "Mesenchymal Stem Cells"
      ],
      "interventions": [
        {
          "name": "Bone marrow-derived mesenchymal stem cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2021-12-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05095532"
    },
    {
      "nct_id": "NCT04141163",
      "title": "Metformin in Patients With Fragile X",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Fragile X Syndrome"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rowan University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2019-10-29",
      "completion_date": "2021-03",
      "has_results": false,
      "last_update_posted_date": "2019-10-31",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 1,
      "location_summary": "Stratford, New Jersey",
      "locations": [
        {
          "city": "Stratford",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04141163"
    },
    {
      "nct_id": "NCT04120363",
      "title": "Trial of Testosterone Undecanoate for Optimizing Performance During Military Operations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Caloric Restriction",
        "Exercise",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Testosterone Undecanoate",
          "type": "DRUG"
        },
        {
          "name": "Sesame Oil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 34,
      "start_date": "2019-09-23",
      "completion_date": "2021-07-08",
      "has_results": true,
      "last_update_posted_date": "2022-10-07",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04120363"
    },
    {
      "nct_id": "NCT00329732",
      "title": "Research Study of Greater Occipital Nerve Block As A Treatment For Prolonged Migraine Attacks",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "0.5% bupivicaine and 2% lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Saline placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 2,
      "start_date": "2006-03",
      "completion_date": "2006-04",
      "has_results": true,
      "last_update_posted_date": "2015-05-06",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00329732"
    },
    {
      "nct_id": "NCT02027155",
      "title": "Phase I Rising-dose Study to Assess Tolerability, Safety, Pharmacokinetics, Pharmacodynamics of AR09",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "AR09 solution",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Arbor Pharmaceuticals, Inc.",
      "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": 17,
      "start_date": "2013-12",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2022-04-13",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02027155"
    },
    {
      "nct_id": "NCT02626026",
      "title": "Study to Evaluate Safety and Pharmacokinetics of GS-4059 (Tirabrutinib) in Healthy Volunteers and Participants With Rheumatoid Arthritis (RA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Tirabrutinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "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": 42,
      "start_date": "2016-01-26",
      "completion_date": "2016-09-01",
      "has_results": true,
      "last_update_posted_date": "2020-09-09",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 9,
      "location_summary": "Sacramento, California • Miami, Florida • Orlando, Florida + 6 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Venice",
          "state": "Florida"
        },
        {
          "city": "Elizabethtown",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02626026"
    },
    {
      "nct_id": "NCT00305578",
      "title": "Memantine Augmentation of Lamotrigine Incomplete-Response in Bipolar Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bipolar Depression"
      ],
      "interventions": [
        {
          "name": "Memantine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 29,
      "start_date": "2005-08",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2016-07-18",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00305578"
    },
    {
      "nct_id": "NCT05470608",
      "title": "Phase II Study to Assess Safety and Efficacy of SL-1002 for Osteoarthritic Knee Pain",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee Pain"
      ],
      "interventions": [
        {
          "name": "SL-1002",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Saol Therapeutics Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2022-06-13",
      "completion_date": "2024-01",
      "has_results": false,
      "last_update_posted_date": "2023-08-29",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 15,
      "location_summary": "Greenwood Village, Colorado • Washington D.C., District of Columbia • Coral Gables, Florida + 12 more",
      "locations": [
        {
          "city": "Greenwood Village",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05470608"
    },
    {
      "nct_id": "NCT01311076",
      "title": "TAK-329 Glucose Clamp Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Type 1 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "TAK-329",
          "type": "DRUG"
        },
        {
          "name": "Insulin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "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": 37,
      "start_date": "2011-03",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-02-13",
      "last_synced_at": "2026-09-04T10:01:40.714Z",
      "location_count": 1,
      "location_summary": "Chula Vista, California",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01311076"
    }
  ]
}