{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Remifentanil%2B+Placebo",
    "query": {
      "intervention": "Remifentanil+ Placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T11:08:36.918Z",
  "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": "NCT03066739",
      "title": "Effect of Ultra-low Dose Naloxone on Remifentanil-Induced Hyperalgesia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hyperalgesia"
      ],
      "interventions": [
        {
          "name": "Remifentanil",
          "type": "DRUG"
        },
        {
          "name": "Remifentanil+ Placebo",
          "type": "DRUG"
        },
        {
          "name": "Remifentanil +ultra-low dose naloxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2023-02-25",
      "completion_date": "2025-12-01",
      "has_results": true,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-09-29T11:08:36.918Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03066739"
    },
    {
      "nct_id": "NCT02703090",
      "title": "Near Infrared Spectroscopy Cortical Response to Noxious and Auditory Stimuli in Subjects Under General Anesthesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Remifentanil",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "12 Years to 30 Years"
      },
      "enrollment_count": 44,
      "start_date": "2016-10",
      "completion_date": "2020-03-10",
      "has_results": true,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-09-29T11:08:36.918Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02703090"
    },
    {
      "nct_id": "NCT06312657",
      "title": "Behavioral Effects of Drugs Inpatient 44 Neurobehavioral Mechanisms of Opioid Choice",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Drug Cue",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Money",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Withdrawal",
          "type": "DRUG"
        },
        {
          "name": "Remifentanil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Joshua A. Lile, Ph.D.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 2,
      "start_date": "2023-03-01",
      "completion_date": "2025-03-28",
      "has_results": true,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-09-29T11:08:36.918Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06312657"
    },
    {
      "nct_id": "NCT05639686",
      "title": "TIVA vs TXA in Sinus Surgery to Evaluate Operative Blood Loss and Surgical Field Quality",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rhinosinusitis Chronic",
        "Sinus Cancer",
        "Sinus Polyp",
        "Encephalocele"
      ],
      "interventions": [
        {
          "name": "Tranexamic acid injection",
          "type": "DRUG"
        },
        {
          "name": "Total Intravenous Anesthesia",
          "type": "DRUG"
        },
        {
          "name": "Inhalational isoflurane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Our Lady of the Lake Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-01-01",
      "completion_date": "2025-07-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-23",
      "last_synced_at": "2026-09-29T11:08:36.918Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05639686"
    },
    {
      "nct_id": "NCT01222091",
      "title": "Study on the Effect of a Beta Blocker on Increased Sensitivity to Pain in Humans Caused by Opioids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hyperalgesia"
      ],
      "interventions": [
        {
          "name": "Propranolol",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Match Propranolol",
          "type": "DRUG"
        },
        {
          "name": "Remifentanil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2009-02",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2018-06-15",
      "last_synced_at": "2026-09-29T11:08:36.918Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01222091"
    },
    {
      "nct_id": "NCT00693160",
      "title": "Effect of Spinal Ketorolac After Acute Opioid Exposure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "ketorolac",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "remifentanil",
          "type": "DRUG"
        },
        {
          "name": "Capsaicin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 30,
      "start_date": "2007-12",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2018-09-07",
      "last_synced_at": "2026-09-29T11:08:36.918Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00693160"
    }
  ]
}