{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%3A+Group+4+-+Placebo&page=2",
    "query": {
      "intervention": "Placebo: Group 4 - Placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 2143,
    "total_pages": 215,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%3A+Group+4+-+Placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%3A+Group+4+-+Placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T01:41:01.181Z",
  "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": "NCT02262754",
      "title": "PF-06372865 In Subjects With Chronic Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Low Back Pain"
      ],
      "interventions": [
        {
          "name": "PF-06372865",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Naproxen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 302,
      "start_date": "2014-10",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2017-01-04",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 46,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Anaheim, California + 36 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "North Hollywood",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02262754"
    },
    {
      "nct_id": "NCT02415842",
      "title": "A Laboratory Evaluation of the Humoral Immune Response in Adults and Children to the H1 Hemagglutinin (HA) Stalk Domain and Other Influenza A Virus Protein Epitopes, After Administration of GlaxoSmithKline (GSK) Biologicals' Pandemic Influenza Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Immunologic Tests"
      ],
      "interventions": [
        {
          "name": "Serum samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "6 Months to 64 Years"
      },
      "enrollment_count": 414,
      "start_date": "2015-10-26",
      "completion_date": "2018-02-16",
      "has_results": true,
      "last_update_posted_date": "2019-07-23",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02415842"
    },
    {
      "nct_id": "NCT01152554",
      "title": "A Study to Assess the Long- Term Safety of TC-5214 as an Adjunct Therapy in Patients With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "MDD",
        "Depression"
      ],
      "interventions": [
        {
          "name": "TC-5214",
          "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": 813,
      "start_date": "2010-06",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2014-04-11",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 93,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Tucson, Arizona + 90 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01152554"
    },
    {
      "nct_id": "NCT01621113",
      "title": "Combination Therapy With Dalfampridine and Locomotor Training for Chronic, Motor Incomplete Spinal Cord Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "Dalfampridine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kessler Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 27,
      "start_date": "2012-06",
      "completion_date": "2017-10-16",
      "has_results": false,
      "last_update_posted_date": "2017-12-02",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 1,
      "location_summary": "West Orange, New Jersey",
      "locations": [
        {
          "city": "West Orange",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01621113"
    },
    {
      "nct_id": "NCT00298272",
      "title": "Safety and Tolerability of Rituxan With Methotrexate and Etanercept or Methotrexate and Adalimumab in Patients With Active Rheumatoid Arthritis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "IDEC-C2B8 (rituximab)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Etanercept",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Folate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Biogen",
      "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": 54,
      "start_date": "2006-05",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2015-09-28",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 18,
      "location_summary": "Huntsville, Alabama • Paradise Valley, Arizona • Palm Desert, California + 15 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Paradise Valley",
          "state": "Arizona"
        },
        {
          "city": "Palm Desert",
          "state": "California"
        },
        {
          "city": "Jupiter",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00298272"
    },
    {
      "nct_id": "NCT00311090",
      "title": "Bioequipotency Study of Idrabiotaparinux and Idraparinux in Patients With Deep Venous Thrombosis of the Lower Limbs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Deep Venous Thrombosis"
      ],
      "interventions": [
        {
          "name": "Idrabiotaparinux sodium",
          "type": "DRUG"
        },
        {
          "name": "Idraparinux sodium",
          "type": "DRUG"
        },
        {
          "name": "Avidin",
          "type": "DRUG"
        },
        {
          "name": "Placebo (for Avidin)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 757,
      "start_date": "2006-04",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2016-03-21",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00311090"
    },
    {
      "nct_id": "NCT02879305",
      "title": "Anemia Studies in Chronic Kidney Disease: Erythropoiesis Via a Novel Prolyl Hydroxylase Inhibitor Daprodustat-Dialysis (ASCEND-D)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anaemia",
        "Aspergillosis, Allergic Bronchopulmonary"
      ],
      "interventions": [
        {
          "name": "Daprodustat",
          "type": "DRUG"
        },
        {
          "name": "rhEPO",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Iron therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 2964,
      "start_date": "2016-09-28",
      "completion_date": "2020-11-09",
      "has_results": true,
      "last_update_posted_date": "2021-12-03",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 126,
      "location_summary": "Huntsville, Alabama • Pine Bluff, Arkansas • Anaheim, California + 103 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02879305"
    },
    {
      "nct_id": "NCT00056407",
      "title": "\"REDUCE\" - A Clinical Research Study To Reduce The Incidence Of Prostate Cancer In Men Who Are At Increased Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neoplasms, Prostate"
      ],
      "interventions": [
        {
          "name": "Dutasteride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "50 Years to 75 Years · Male only"
      },
      "enrollment_count": 8231,
      "start_date": "2003-03",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2016-09-23",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 297,
      "location_summary": "Birmingham, Alabama • Homewood, Alabama • Huntsville, Alabama + 236 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00056407"
    },
    {
      "nct_id": "NCT04066192",
      "title": "Brexpiprazole in Alcohol Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Brexpiprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 250,
      "start_date": "2020-10-30",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04066192"
    },
    {
      "nct_id": "NCT05347602",
      "title": "Gold Factor on Knee Joint Health and Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Arthritis",
        "Knee Osteoarthritis",
        "Knee Pain Chronic",
        "Knee Discomfort",
        "Rheumatoid Arthritis",
        "Knee Pain Swelling"
      ],
      "interventions": [
        {
          "name": "Gold Factor (Gold Nanoparticles, AuNPs)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "4Life Research, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "87 Years",
        "sex": "ALL",
        "summary": "18 Years to 87 Years"
      },
      "enrollment_count": 51,
      "start_date": "2020-08-03",
      "completion_date": "2020-12-30",
      "has_results": false,
      "last_update_posted_date": "2022-07-12",
      "last_synced_at": "2026-10-08T01:41:01.181Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05347602"
    }
  ]
}