{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Methadone+0.3mg%2Fkg",
    "query": {
      "intervention": "Methadone 0.3mg/kg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T20:37:27.798Z",
  "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": "NCT01990573",
      "title": "Methadone in Pediatric Anesthesiology II",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "0.3mg/kg IV methadone HCl",
          "type": "DRUG"
        },
        {
          "name": "0.4mg/kg IV methadon HCl",
          "type": "DRUG"
        },
        {
          "name": "control no methadone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 51,
      "start_date": "2013-04-10",
      "completion_date": "2018-06-30",
      "has_results": true,
      "last_update_posted_date": "2020-01-28",
      "last_synced_at": "2026-09-24T20:37:27.798Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01990573"
    },
    {
      "nct_id": "NCT01958476",
      "title": "Improving Outcomes in Neonatal Abstinence Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neonatal Abstinence Syndrome",
        "Neonatal Opioid Withdrawal"
      ],
      "interventions": [
        {
          "name": "Neonatal Morphine Solution",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Phenobarbital",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 117,
      "start_date": "2013-09",
      "completion_date": "2018-08-30",
      "has_results": true,
      "last_update_posted_date": "2019-10-15",
      "last_synced_at": "2026-09-24T20:37:27.798Z",
      "location_count": 8,
      "location_summary": "Jacksonville, Florida • Portland, Maine • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Portland",
          "state": "Maine"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01958476"
    },
    {
      "nct_id": "NCT06720415",
      "title": "Oral and Intravenous Methadone for Analgesia in Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anesthesia",
        "Cardiac Surgery"
      ],
      "interventions": [
        {
          "name": "Oral methadone, immediately prior to transport",
          "type": "DRUG"
        },
        {
          "name": "Intravenous methadone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2025-04-14",
      "completion_date": "2025-07-14",
      "has_results": true,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-24T20:37:27.798Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06720415"
    },
    {
      "nct_id": "NCT00921843",
      "title": "Methadone in Pediatric Anesthesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "Methadone 0.1mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Methadone 0.2mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Methadone 0.3mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "5 Years to 18 Years"
      },
      "enrollment_count": 61,
      "start_date": "2009-05",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2019-05-14",
      "last_synced_at": "2026-09-24T20:37:27.798Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00921843"
    },
    {
      "nct_id": "NCT07221617",
      "title": "Oral Methadone in Cardiac Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Anesthesia",
        "Cardiac Surgery"
      ],
      "interventions": [
        {
          "name": "Methadone, oral",
          "type": "DRUG"
        },
        {
          "name": "Methadone, intravenously",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-01-13",
      "completion_date": "2026-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-09-24T20:37:27.798Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07221617"
    }
  ]
}