{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opioid+Phase&page=2",
    "query": {
      "intervention": "Opioid Phase",
      "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=Opioid+Phase&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T12:39:53.924Z",
  "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": "NCT03752528",
      "title": "Evaluation of Long-term Buprenorphine Plasma Exposure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Blood sample collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine sample collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Indivior Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 53,
      "start_date": "2019-02-19",
      "completion_date": "2019-07-18",
      "has_results": true,
      "last_update_posted_date": "2020-08-21",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 11,
      "location_summary": "Hamilton, Alabama • Tampa, Florida • Prairie Village, Kansas + 7 more",
      "locations": [
        {
          "city": "Hamilton",
          "state": "Alabama"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Prairie Village",
          "state": "Kansas"
        },
        {
          "city": "Watertown",
          "state": "Massachusetts"
        },
        {
          "city": "Berlin",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03752528"
    },
    {
      "nct_id": "NCT05086835",
      "title": "A Mobile Executive Functioning Intervention for Momentary Craving in Opioid Use Disorders",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Working Memory Task",
          "type": "OTHER"
        },
        {
          "name": "Visual Search Task",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2021-10-14",
      "completion_date": "2022-03-01",
      "has_results": true,
      "last_update_posted_date": "2022-06-10",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05086835"
    },
    {
      "nct_id": "NCT04976855",
      "title": "Study to Assess Repeated Doses of INDV-2000 in Healthy Volunteers and in Treatment Seeking Individuals With Opioid Use Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer",
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "INDV-2000",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "SUBOXONE® sublingual film",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indivior 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": 64,
      "start_date": "2022-08-17",
      "completion_date": "2023-07-05",
      "has_results": true,
      "last_update_posted_date": "2024-08-21",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • DeSoto, Texas • San Antonio, Texas",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "DeSoto",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04976855"
    },
    {
      "nct_id": "NCT07011758",
      "title": "Dynamic Treatment Regimes for Opioid Use Disorder",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Medication for opioid use disorder",
          "type": "DRUG"
        },
        {
          "name": "psychotherapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2028-07-01",
      "completion_date": "2030-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07011758"
    },
    {
      "nct_id": "NCT00783172",
      "title": "Opioid Growth Factor (OGF) and Gemcitabine: Novel Treatment for Pancreatic Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Opioid Growth Factor (OGF)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2009-01",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2018-09-06",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 2,
      "location_summary": "Allentown, Pennsylvania • Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00783172"
    },
    {
      "nct_id": "NCT05043766",
      "title": "Evaluation of Oral PF614 Relative to OxyContin (PF614-102)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "PF614",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "OxyContin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ensysce Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 84,
      "start_date": "2021-09-08",
      "completion_date": "2022-03-21",
      "has_results": false,
      "last_update_posted_date": "2024-09-24",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05043766"
    },
    {
      "nct_id": "NCT02907944",
      "title": "Working With HIV Clinics to Adopt Addiction Treatments Using Implementation Facilitation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance-related Disorders"
      ],
      "interventions": [
        {
          "name": "Implementation Facilitation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3838,
      "start_date": "2016-09",
      "completion_date": "2021-09-30",
      "has_results": true,
      "last_update_posted_date": "2023-05-08",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 4,
      "location_summary": "Hartford, Connecticut • New Haven, Connecticut • Brooklyn, New York + 1 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02907944"
    },
    {
      "nct_id": "NCT01040637",
      "title": "A Multiple Dose Study of TD-1211 in Healthy Volunteers and Patients With Opioid-Induced Constipation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy",
        "Opioid-induced Constipation"
      ],
      "interventions": [
        {
          "name": "TD-1211",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Glycyx Therapeutics",
      "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": 102,
      "start_date": "2010-01",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 3,
      "location_summary": "Pasadena, California • San Antonio, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01040637"
    },
    {
      "nct_id": "NCT07224009",
      "title": "Low Dose Naltrexone (LDN) for Management of Fatigue in Prostate Cancer Patients on Androgen Deprivation Therapy (ADT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2026-08-25",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07224009"
    },
    {
      "nct_id": "NCT04447287",
      "title": "A Study to Assess the Effect of a Single Dose of ASP8062 on the Multiple Dose Safety, Tolerability and Pharmacokinetics of Buprenorphine/Naloxone in Participants With Opioid Use Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "ASP8062",
          "type": "DRUG"
        },
        {
          "name": "Placebo ASP8062",
          "type": "DRUG"
        },
        {
          "name": "buprenorphine/naloxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 23,
      "start_date": "2020-06-29",
      "completion_date": "2020-11-25",
      "has_results": true,
      "last_update_posted_date": "2024-11-21",
      "last_synced_at": "2026-09-25T12:39:53.924Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04447287"
    }
  ]
}