{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control%2FPlacebo+group&page=33",
    "query": {
      "intervention": "Control/Placebo group",
      "page": 33
    },
    "page_size": 10
  },
  "pagination": {
    "page": 33,
    "page_size": 10,
    "total_count": 5235,
    "total_pages": 524,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control%2FPlacebo+group&page=34&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control%2FPlacebo+group&page=32&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-13T04:25:27.916Z",
  "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": "NCT02670538",
      "title": "Study of the Efficacy of a Fixed-dose Regimen of Cariprazine Compared to Placebo for Treatment of the Depressive Episode in Participants With Bipolar I Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Cariprazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "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": 493,
      "start_date": "2016-03-31",
      "completion_date": "2018-01-18",
      "has_results": true,
      "last_update_posted_date": "2019-03-12",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 42,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 37 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02670538"
    },
    {
      "nct_id": "NCT02413255",
      "title": "Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Ascending Single- and Multiple-Doses of TAK-020 in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "TAK-020",
          "type": "DRUG"
        },
        {
          "name": "TAK-020 Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 120,
      "start_date": "2015-03-18",
      "completion_date": "2017-05-04",
      "has_results": true,
      "last_update_posted_date": "2019-01-07",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 1,
      "location_summary": "Glendale, California",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02413255"
    },
    {
      "nct_id": "NCT06454240",
      "title": "A Proof-of-concept Study of Lunsekimig Compared With Placebo in Adults With Chronic Rhinosinusitis With Nasal Polyps",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Rhinosinusitis With Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "lunsekimig",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 79,
      "start_date": "2024-07-17",
      "completion_date": "2026-04-23",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 14,
      "location_summary": "La Jolla, California • Roseville, California • San Diego, California + 11 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06454240"
    },
    {
      "nct_id": "NCT00808249",
      "title": "AZD7325 Proof of Concept in Patients With Generalized Anxiety Disorder (GAD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anxiety Disorders"
      ],
      "interventions": [
        {
          "name": "AZD7325",
          "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": 725,
      "start_date": "2008-12",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2011-06-20",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 52,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Arcadia, California + 49 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Cerritos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00808249"
    },
    {
      "nct_id": "NCT04612725",
      "title": "A Study to Investigate the Use of Benralizumab in Patients With Chronic Spontaneous Urticaria Who Are Symptomatic Despite the Use of Antihistamines (ARROYO)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Spontaneous Urticaria"
      ],
      "interventions": [
        {
          "name": "Benralizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo and Benralizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 159,
      "start_date": "2020-10-27",
      "completion_date": "2023-03-28",
      "has_results": true,
      "last_update_posted_date": "2024-03-13",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 12,
      "location_summary": "Scottsdale, Arizona • Los Angeles, California • Mission Viejo, California + 8 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04612725"
    },
    {
      "nct_id": "NCT00810368",
      "title": "Treatment Study of Carnosine Versus Placebo in Gulf War Illness (GWI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Persian Gulf Syndrome"
      ],
      "interventions": [
        {
          "name": "Carnosine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "34 Years",
        "maximum_age": "82 Years",
        "sex": "ALL",
        "summary": "34 Years to 82 Years"
      },
      "enrollment_count": 33,
      "start_date": "2008-08",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2019-06-28",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00810368"
    },
    {
      "nct_id": "NCT01783548",
      "title": "Study of an Investigational Nasal Aerosol or Placebo in Children (Ages 4 to 11) With Perennial Allergic Rhinitis (PAR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "BDP Nasal Aerosol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "4 Years to 11 Years"
      },
      "enrollment_count": 547,
      "start_date": "2013-01",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2015-10-12",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 63,
      "location_summary": "Hot Springs, Arkansas • Costa Mesa, California • Downey, California + 50 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01783548"
    },
    {
      "nct_id": "NCT00640146",
      "title": "Study of Subcutaneous Methylnaltrexone (MNTX) in the Treatment of Opioid-Induced Constipation During Rehabilitation After Orthopedic Procedures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid-induced Constipation"
      ],
      "interventions": [
        {
          "name": "Methylnaltrexone bromide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2007-10-19",
      "completion_date": "2009-01-21",
      "has_results": true,
      "last_update_posted_date": "2019-09-04",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 1,
      "location_summary": "Tarrytown, New York",
      "locations": [
        {
          "city": "Tarrytown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00640146"
    },
    {
      "nct_id": "NCT01101022",
      "title": "Safety and Efficacy of SPD489 on Executive Function Behaviors in Adults With Attention-Deficit/Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "ADHD Specifically With Executive Function Impairment"
      ],
      "interventions": [
        {
          "name": "SPD489",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 161,
      "start_date": "2010-05-19",
      "completion_date": "2010-11-29",
      "has_results": true,
      "last_update_posted_date": "2021-06-09",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 39,
      "location_summary": "Little Rock, Arkansas • Rolling Hills Estates, California • San Diego, California + 34 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01101022"
    },
    {
      "nct_id": "NCT01197794",
      "title": "Investigation of Efficacy, Safety and Tolerability of Once and Twice Daily Doses of AZD1981 in Asthmatic Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma Patients"
      ],
      "interventions": [
        {
          "name": "AZD1981",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1144,
      "start_date": "2010-10",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2013-11-06",
      "last_synced_at": "2026-11-13T04:25:27.916Z",
      "location_count": 19,
      "location_summary": "Fullerton, California • Los Angeles, California • Mission Viejo, California + 16 more",
      "locations": [
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01197794"
    }
  ]
}