{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+and+ketamine&page=4",
    "query": {
      "intervention": "placebo and ketamine",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 180,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+and+ketamine&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+and+ketamine&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T12:34:52.214Z",
  "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": "NCT04530149",
      "title": "Vital Capacity in Ultrasound Guided Serratus Plane Block in ED Patients With Multiple Rib Fractures",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Bupivacain",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Antonios Likourezos",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 3,
      "start_date": "2021-11-01",
      "completion_date": "2024-03-04",
      "has_results": true,
      "last_update_posted_date": "2024-06-11",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04530149"
    },
    {
      "nct_id": "NCT02336308",
      "title": "A Randomized, Double-Blind Study of Placebo vs. Ketamine For Use During Dressing Changes in Critically Ill Burn Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Thermal Hyperalgesia",
        "Anxiety",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo, Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-01",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-11-26",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02336308"
    },
    {
      "nct_id": "NCT02823977",
      "title": "Ketamine vs. Placebo as Adjunctive Therapies for Severe Alcohol Withdrawal",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alcohol Withdrawal"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Dexmedetomidine",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-02",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2018-01-19",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02823977"
    },
    {
      "nct_id": "NCT00486902",
      "title": "Does a Single Intravenous Dose of Ketamine Reduce the Need for Supplemental Opioids in Post-Cesarean Section Patients?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ketamine Adverse Reaction",
        "Effects of; Anesthesia, Spinal and Epidural, in Pregnancy",
        "Complication of Labor and/or Delivery"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 188,
      "start_date": "2006-07",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2014-04-14",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00486902"
    },
    {
      "nct_id": "NCT04711005",
      "title": "Phase 1 Evaluation of (2R,6R)-Hydroxynorketamine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "(2R,6R)-Hydroxynorketamine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 74,
      "start_date": "2021-01-11",
      "completion_date": "2023-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-06",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04711005"
    },
    {
      "nct_id": "NCT05940324",
      "title": "Examining Mu Opioid Mechanisms of Ketamine's Rapid Effects in OCD (MKET2)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obsessive-Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone Pill",
          "type": "DRUG"
        },
        {
          "name": "Placebo pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Stanford 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": 150,
      "start_date": "2024-02-24",
      "completion_date": "2028-11",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05940324"
    },
    {
      "nct_id": "NCT01900847",
      "title": "Ketamine and Morphine Versus Morphine Alone for the Treatment of Acute Pain in the Emergency Department",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 17,
      "start_date": "2013-06-01",
      "completion_date": "2014-04-01",
      "has_results": true,
      "last_update_posted_date": "2023-07-17",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01900847"
    },
    {
      "nct_id": "NCT00985933",
      "title": "The Effects AZD8529 on Ketamine-induced Impairment of Working Memory in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy",
        "Memory Impairment"
      ],
      "interventions": [
        {
          "name": "AZD8529",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match AZD8529",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 20,
      "start_date": "2010-02",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2011-05-04",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00985933"
    },
    {
      "nct_id": "NCT00611572",
      "title": "GABA-glutamate Interactions and Psychosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "iomazenil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 23,
      "start_date": "2007-01",
      "completion_date": "2018-10-02",
      "has_results": false,
      "last_update_posted_date": "2022-07-22",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00611572"
    },
    {
      "nct_id": "NCT05037123",
      "title": "Optimizing the Use of Ketamine to Reduce Chronic Postsurgical Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Postsurgical Pain"
      ],
      "interventions": [
        {
          "name": "Continuous ketamine infusion",
          "type": "DRUG"
        },
        {
          "name": "Ketamine + Saline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 765,
      "start_date": "2022-01-04",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-08T12:34:52.214Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Chicago, Illinois + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chestnut Hill",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05037123"
    }
  ]
}