{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Methadone+Maintenance&page=2",
    "query": {
      "intervention": "Methadone Maintenance",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Methadone+Maintenance&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T10:12:56.681Z",
  "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": "NCT00712036",
      "title": "Entry Into Comprehensive Methadone Treatment Via Interim Maintenance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opiate Dependence"
      ],
      "interventions": [
        {
          "name": "Interim",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Comprehensive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Restored",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Friends Research Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 230,
      "start_date": "2008-06",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2015-01-09",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00712036"
    },
    {
      "nct_id": "NCT01389544",
      "title": "A Study on the Interaction Between Danoprevir/Ritonavir and Methadone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "danoprevir",
          "type": "DRUG"
        },
        {
          "name": "methadone",
          "type": "DRUG"
        },
        {
          "name": "ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2011-06",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 2,
      "location_summary": "Anaheim, California • Overland Park, Kansas",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01389544"
    },
    {
      "nct_id": "NCT01999946",
      "title": "Extended-Release Naltrexone Opioid Treatment at Jail Re-Entry",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heroin Dependence",
        "Opioid-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Extended-Release Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "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": 217,
      "start_date": "2014-06-27",
      "completion_date": "2020-12-24",
      "has_results": true,
      "last_update_posted_date": "2021-06-25",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01999946"
    },
    {
      "nct_id": "NCT01632982",
      "title": "Mobile Psychosocial Interventions for MMT Clients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Abuse",
        "Substance Abuse"
      ],
      "interventions": [
        {
          "name": "standard treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MTS (Mobile Therapeutic System)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "mobile control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Development and Research Institutes, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 219,
      "start_date": "2013-07",
      "completion_date": "2018-09",
      "has_results": false,
      "last_update_posted_date": "2017-09-14",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 1,
      "location_summary": "Long Island City, New York",
      "locations": [
        {
          "city": "Long Island City",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01632982"
    },
    {
      "nct_id": "NCT00780702",
      "title": "Aripiprazole for Prevention of Relapse to Cocaine Use in Methadone-Maintenance Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine Dependence",
        "Cocaine-Related Disorders",
        "Opioid-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Airipiprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 41,
      "start_date": "2008-05-08",
      "completion_date": "2013-04-16",
      "has_results": false,
      "last_update_posted_date": "2019-12-16",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00780702"
    },
    {
      "nct_id": "NCT00170339",
      "title": "Bone Density and Serum Testosterone in Male Methadone Maintained Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opiate Dependence",
        "Osteoporosis",
        "Erectile Dysfunction",
        "Hypogonadism"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hennepin Healthcare Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2005-04",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2016-09-14",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00170339"
    },
    {
      "nct_id": "NCT03282890",
      "title": "Testing an Integrated Bio-Behavioral Primary HIV Prevention Intervention Among High-Risk People Who Use Drugs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Risk Behavior",
        "HIV/AIDS",
        "Medication Adherence",
        "Substance Abuse"
      ],
      "interventions": [
        {
          "name": "CHRP-BB",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 237,
      "start_date": "2017-11-20",
      "completion_date": "2023-10-13",
      "has_results": true,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03282890"
    },
    {
      "nct_id": "NCT01889121",
      "title": "Utility of Psychosocial Intervention in Improving Outcome for Methadone-exposed Infants and Their Mothers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neonatal Abstinence Syndrome"
      ],
      "interventions": [
        {
          "name": "Structured psychosocial intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dr. Henry Akinbi",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 113,
      "start_date": "2013-02",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2013-06-28",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01889121"
    },
    {
      "nct_id": "NCT00387491",
      "title": "Dose Ranging Study in Healthy Methadone Maintenance Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult"
      ],
      "interventions": [
        {
          "name": "MOA-728",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 16,
      "start_date": "2006-06",
      "completion_date": "2006-10",
      "has_results": false,
      "last_update_posted_date": "2019-11-25",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 1,
      "location_summary": "Lenexa, Kansas",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00387491"
    },
    {
      "nct_id": "NCT05534815",
      "title": "Long-Term Treatment of Opioid Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Drug Addiction",
        "Employment"
      ],
      "interventions": [
        {
          "name": "Employment-based abstinence reinforcement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northern Michigan University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2023-03-01",
      "completion_date": "2028-02-29",
      "has_results": false,
      "last_update_posted_date": "2025-05-02",
      "last_synced_at": "2026-09-22T10:12:56.681Z",
      "location_count": 1,
      "location_summary": "Marquette, Michigan",
      "locations": [
        {
          "city": "Marquette",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05534815"
    }
  ]
}