{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Guanfacine%2FTenex&page=4",
    "query": {
      "intervention": "Guanfacine/Tenex",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 77,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Guanfacine%2FTenex&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Guanfacine%2FTenex&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T08:12:08.860Z",
  "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": "NCT00358969",
      "title": "Guanfacine to Treat Borderline Personality Disorder",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Borderline Personality Disorder"
      ],
      "interventions": [
        {
          "name": "guanfacine (Tenex)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": null,
      "start_date": "2006-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2006-08-01",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00358969"
    },
    {
      "nct_id": "NCT04085172",
      "title": "A Study of TAK-503 in Children and Teenagers With Attention Deficit Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Guanfacine hydrochloride (TAK-503)",
          "type": "DRUG"
        },
        {
          "name": "Atomoxetine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 396,
      "start_date": "2019-09-18",
      "completion_date": "2025-09-02",
      "has_results": true,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 20,
      "location_summary": "Dothan, Alabama • Anaheim, California • Imperial, California + 17 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Imperial",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04085172"
    },
    {
      "nct_id": "NCT00429273",
      "title": "Single Versus Combination Medication Treatment for Children With Attention Deficit Hyperactivity Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity"
      ],
      "interventions": [
        {
          "name": "Guanfacine",
          "type": "DRUG"
        },
        {
          "name": "Methylphenidate (MPH)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "7 Years to 14 Years"
      },
      "enrollment_count": 212,
      "start_date": "2007-01",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2021-07-30",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00429273"
    },
    {
      "nct_id": "NCT02204410",
      "title": "Omega-3 Supplementation to ADHD Medication in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder",
        "Deficient Emotional Self-Regulation"
      ],
      "interventions": [
        {
          "name": "Omega-3 Fatty Acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "ADHD Medication",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 21,
      "start_date": "2014-07",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2017-06-29",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02204410"
    },
    {
      "nct_id": "NCT00585754",
      "title": "Guanfacine to Reduce Stress-Induced Cocaine/Alcohol Craving and Relapse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine Dependent",
        "Alcohol Dependent"
      ],
      "interventions": [
        {
          "name": "Guanfacine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 75,
      "start_date": "2006-04",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-11-30",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00585754"
    },
    {
      "nct_id": "NCT04113551",
      "title": "A Study of Label Compliance for Attention Deficit/Hyperactivity Disorder (ADHD) Medications in Japan",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity"
      ],
      "interventions": [
        {
          "name": "MPH (Concerta)",
          "type": "DRUG"
        },
        {
          "name": "MPH (Ritalin)",
          "type": "DRUG"
        },
        {
          "name": "Atomoxetine (ATO)",
          "type": "DRUG"
        },
        {
          "name": "Guanfacine (GFC)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 17418,
      "start_date": "2019-10-01",
      "completion_date": "2020-01-10",
      "has_results": false,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 1,
      "location_summary": "Titusville, New Jersey",
      "locations": [
        {
          "city": "Titusville",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04113551"
    },
    {
      "nct_id": "NCT02259517",
      "title": "An fMRI Study of Stimulant vs. Non-Stimulant Treatment of ADHD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Guanfacine",
          "type": "DRUG"
        },
        {
          "name": "Lisdexamfetamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 38,
      "start_date": "2014-09",
      "completion_date": "2021-11-06",
      "has_results": true,
      "last_update_posted_date": "2023-02-02",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02259517"
    },
    {
      "nct_id": "NCT00025779",
      "title": "Methylphenidate in Children and Adolescents With Pervasive Developmental Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity",
        "Autistic Disorder",
        "Pervasive Development Disorders"
      ],
      "interventions": [
        {
          "name": "methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "guanfacine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "5 Years to 14 Years"
      },
      "enrollment_count": 60,
      "start_date": "2001-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-07-28",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • New Haven, Connecticut • Indianapolis, Indiana + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00025779"
    },
    {
      "nct_id": "NCT00734578",
      "title": "Efficacy and Safety of SPD503 in Combination With Psychostimulants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "SPD503-AM",
          "type": "DRUG"
        },
        {
          "name": "SPD503-PM",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 461,
      "start_date": "2008-09-02",
      "completion_date": "2009-12-10",
      "has_results": true,
      "last_update_posted_date": "2021-06-14",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 61,
      "location_summary": "Dothan, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 53 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "El Centro",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00734578"
    },
    {
      "nct_id": "NCT03764098",
      "title": "Mechanistic Evaluation of Guanfacine on Drinking Behavior in Women and Men With Alcohol Use Disorders",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Use"
      ],
      "interventions": [
        {
          "name": "Guanfacine ER",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 160,
      "start_date": "2020-08-10",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-02T08:12:08.860Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03764098"
    }
  ]
}