{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=methadone+hydrochloride&page=8",
    "query": {
      "intervention": "methadone hydrochloride",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 374,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=methadone+hydrochloride&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=methadone+hydrochloride&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T16:59:02.474Z",
  "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": "NCT00634010",
      "title": "Morphine Versus Methadone As First Line Strong Opioid for Cancer Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Cancer",
        "Solid Tumors"
      ],
      "interventions": [
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2008-02",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2016-05-09",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "location_count": 3,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00634010"
    },
    {
      "nct_id": "NCT00715988",
      "title": "Methadone Pharmacokinetics and Cardiac Effects in Newborns",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Methadone HCl Inject 10 mg/ml (will require dilution)",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "29 Weeks",
        "maximum_age": "48 Weeks",
        "sex": "ALL",
        "summary": "29 Weeks to 48 Weeks"
      },
      "enrollment_count": 7,
      "start_date": "2007-10",
      "completion_date": "2017-02-10",
      "has_results": false,
      "last_update_posted_date": "2022-06-01",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "location_count": 2,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00715988"
    },
    {
      "nct_id": "NCT05981573",
      "title": "Assessment of Methadone Dose Taken",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Methadone Toxicity",
        "Methadone Overdose",
        "Pain, Chronic",
        "Drug Metabolism, Poor, CYP2D6-Related",
        "Metabolism Medication Toxicity"
      ],
      "interventions": [
        {
          "name": "Measurement of Methadone in the Interstitial Fluid (ISF) before and after prescribed dose taken ex vivo",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Measurement of Methadone in the Interstitial Fluid before and after prescribed dose taken in vivo",
          "type": "DRUG"
        },
        {
          "name": "ISF Extraction Device 2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Cari Health Inc.",
      "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": 30,
      "start_date": "2024-08-26",
      "completion_date": "2026-04",
      "has_results": false,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "location_count": 1,
      "location_summary": "Lemon Grove, California",
      "locations": [
        {
          "city": "Lemon Grove",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05981573"
    },
    {
      "nct_id": "NCT07227064",
      "title": "Methadone in THA for Post-op Pain and Opioid Reduction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Post Operative Pain",
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Methadone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 162,
      "start_date": "2026-01-12",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07227064"
    },
    {
      "nct_id": "NCT00558870",
      "title": "Role of Methadone As Co-Opioid Analgesic",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2007-11",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2016-04-05",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00558870"
    },
    {
      "nct_id": "NCT02747875",
      "title": "Methadone vs. Fentanyl Administration on Postoperative Pain Control in Pediatric Patients Undergoing Cardiac Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use, Unspecified"
      ],
      "interventions": [
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Andrew Waberski",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "2 Years to 7 Years"
      },
      "enrollment_count": 26,
      "start_date": "2016-09",
      "completion_date": "2019-02-07",
      "has_results": true,
      "last_update_posted_date": "2021-06-01",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "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/NCT02747875"
    },
    {
      "nct_id": "NCT03134703",
      "title": "Methadone Demonstration Project With Neonatal Intensive Care Unit Infants Diagnosed With Neonatal Abstinence Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neonatal Abstinence Syndrome"
      ],
      "interventions": [
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins All Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "72 Hours",
        "sex": "ALL",
        "summary": "Up to 72 Hours"
      },
      "enrollment_count": 11,
      "start_date": "2017-02-27",
      "completion_date": "2019-03-27",
      "has_results": true,
      "last_update_posted_date": "2023-07-03",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "location_count": 1,
      "location_summary": "St. Petersburg, Florida",
      "locations": [
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03134703"
    },
    {
      "nct_id": "NCT01821430",
      "title": "Increased Sensitivity to Pain Caused by Opioids in People Who Have Abused Prescription Opioids",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Pregabalin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Georgetown University",
      "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": 4,
      "start_date": "2013-03",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2017-02-09",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "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/NCT01821430"
    },
    {
      "nct_id": "NCT05417100",
      "title": "Understanding How Methadone Treatment During Surgery Affects Pain Levels and the Need for Pain Medications After Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Spinal Surgery"
      ],
      "interventions": [
        {
          "name": "Methadone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 17,
      "start_date": "2022-06-06",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05417100"
    },
    {
      "nct_id": "NCT00033020",
      "title": "Motivational Incentives for Enhanced Drug Abuse Recovery: Methadone Clinics. - 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Behavior Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 390,
      "start_date": "2001-04",
      "completion_date": "2003-02",
      "has_results": false,
      "last_update_posted_date": "2017-01-12",
      "last_synced_at": "2026-10-14T16:59:02.474Z",
      "location_count": 7,
      "location_summary": "Bakersfield, California • Washington D.C., District of Columbia • Baltimore, Maryland + 3 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00033020"
    }
  ]
}