{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lofexidine+Hydrochloride+%28HCl%29+tablets",
    "query": {
      "intervention": "Lofexidine Hydrochloride (HCl) tablets"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T14:08:53.921Z",
  "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": "NCT01558934",
      "title": "Pilot Study of Lofexidine and Methadone Pharmacodynamic Interaction in Methadone Maintained Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Dependence",
        "Methadone Withdrawal Syndrome"
      ],
      "interventions": [
        {
          "name": "Lofexidine HCl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "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": 6,
      "start_date": "2012-02",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2018-02-23",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01558934"
    },
    {
      "nct_id": "NCT06711640",
      "title": "A Pharmacokinetic, Safety, and Tolerability Study of LUCEMYRA in the Treatment of Opioid Withdrawal Management in Adolescent Subjects",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Withdrawal (Disorder)",
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "LUCEMYRA (lofexidine) tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-06",
      "completion_date": "2026-02",
      "has_results": false,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06711640"
    },
    {
      "nct_id": "NCT02363998",
      "title": "Open-Label, Safety Study of Lofexidine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Opioid Withdrawal"
      ],
      "interventions": [
        {
          "name": "Lofexidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 286,
      "start_date": "2015-02",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2022-03-22",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 18,
      "location_summary": "Little Rock, Arkansas • Springdale, Arkansas • San Diego, California + 15 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02363998"
    },
    {
      "nct_id": "NCT01863186",
      "title": "Efficacy, Safety and Dose-Response Study Followed by Open-Label Study of Lofexidine Treatment of Opioid Withdrawal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Opioid Dependence",
        "Acute Opioid Withdrawal Syndrome"
      ],
      "interventions": [
        {
          "name": "Lofexidine HCl",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Open Label Lofexidine HCL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 603,
      "start_date": "2013-06",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2022-03-22",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 18,
      "location_summary": "Clovis, California • Escondido, California • San Diego, California + 15 more",
      "locations": [
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01863186"
    },
    {
      "nct_id": "NCT02446002",
      "title": "Assessment of the Effect of Naltrexone on Lofexidine Single Dose Pharmacokinetics in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lofexidine + Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 25,
      "start_date": "2015-05",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02446002"
    },
    {
      "nct_id": "NCT01437306",
      "title": "Lofexidine Food Effect Study in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lofexidine HCl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "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": 13,
      "start_date": "2011-10",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2018-02-23",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01437306"
    },
    {
      "nct_id": "NCT01650649",
      "title": "Main Study of Lofexidine and Methadone Pharmacodynamic Interaction in Methadone Maintained Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Dependence",
        "Methadone Withdrawal Syndrome"
      ],
      "interventions": [
        {
          "name": "Lofexidine HCl",
          "type": "DRUG"
        },
        {
          "name": "Lofexidine-matching sugar pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "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": 27,
      "start_date": "2012-07",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01650649"
    },
    {
      "nct_id": "NCT01820442",
      "title": "Pharmacokinetic & Pharmacodynamic Interaction of Lofexidine and Buprenorphine in Buprenorphine Maintained Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Dependence",
        "Buprenorphine Withdrawal Syndrome"
      ],
      "interventions": [
        {
          "name": "Lofexidine HCl",
          "type": "DRUG"
        },
        {
          "name": "Lofexidine-matching sugar pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "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": 30,
      "start_date": "2013-03",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2018-02-23",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01820442"
    },
    {
      "nct_id": "NCT02318836",
      "title": "Single-Dose Pharmacokinetics and Safety of Oral Lofexidine in Hepatically-Impaired Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Liver Failure"
      ],
      "interventions": [
        {
          "name": "Lofexidine Hydrochloride (HCl) tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "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": 24,
      "start_date": "2014-06",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2018-02-23",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02318836"
    },
    {
      "nct_id": "NCT04070157",
      "title": "Randomized, Double-Blind, Placebo-Controlled Pilot Study on the Safety and Effectiveness of LUCEMYRA During an Opioid Taper in Treatment of Withdrawal",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Withdrawal (Disorder)"
      ],
      "interventions": [
        {
          "name": "Lofexidine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2019-08-02",
      "completion_date": "2019-11-27",
      "has_results": true,
      "last_update_posted_date": "2024-10-21",
      "last_synced_at": "2026-10-04T14:08:53.921Z",
      "location_count": 12,
      "location_summary": "Placentia, California • Rancho Mirage, California • Plantation, Florida + 9 more",
      "locations": [
        {
          "city": "Placentia",
          "state": "California"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "Plantation",
          "state": "Florida"
        },
        {
          "city": "Lawrenceville",
          "state": "Georgia"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04070157"
    }
  ]
}