{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=prazosin&page=2",
    "query": {
      "intervention": "prazosin",
      "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=prazosin&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T18:21:56.739Z",
  "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": "NCT00880997",
      "title": "The Efficacy of Doxazosin for Cocaine Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine Dependence"
      ],
      "interventions": [
        {
          "name": "Doxazosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 35,
      "start_date": "2009-09",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2019-08-22",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00880997"
    },
    {
      "nct_id": "NCT02382848",
      "title": "Effectiveness of Prazosin in Bulimic Patients Experiencing Nightmares Due to PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Disorders, Post-Traumatic",
        "Bulimia Nervosa"
      ],
      "interventions": [
        {
          "name": "Prazosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 9,
      "start_date": "2015-07",
      "completion_date": "2018-03-09",
      "has_results": true,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02382848"
    },
    {
      "nct_id": "NCT02966340",
      "title": "Repurposing alpha1 Noradrenergic Antagonists for Alcoholism Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Prazosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 70,
      "start_date": "2016-11-01",
      "completion_date": "2018-03-12",
      "has_results": true,
      "last_update_posted_date": "2019-05-28",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02966340"
    },
    {
      "nct_id": "NCT01178138",
      "title": "Monoamine Antagonist Therapies for Methamphetamine Abuse Prazosin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Continuous Methamphetamine Abuse"
      ],
      "interventions": [
        {
          "name": "Prazosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 24,
      "start_date": "2009-12",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2016-12-30",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01178138"
    },
    {
      "nct_id": "NCT00990106",
      "title": "Augmentation Trial of Prazosin for Post-Traumatic Stress Disorder (PTSD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Disorders, Post-Traumatic",
        "Combat Disorders",
        "Sleep Disorders"
      ],
      "interventions": [
        {
          "name": "prazosin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seattle Institute for Biomedical and Clinical Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2009-09",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2018-05-23",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington • Tacoma, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00990106"
    },
    {
      "nct_id": "NCT00532493",
      "title": "Cooperative Studies Program #563 - Prazosin and Combat Trauma PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "PTSD",
        "Sleep Disorders"
      ],
      "interventions": [
        {
          "name": "prazosin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 304,
      "start_date": "2010-01-06",
      "completion_date": "2013-05-31",
      "has_results": true,
      "last_update_posted_date": "2018-05-01",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 15,
      "location_summary": "Loma Linda, California • Long Beach, California • Palo Alto, California + 12 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00532493"
    },
    {
      "nct_id": "NCT02785393",
      "title": "DOX as a Potential Treatment for Methamphetamine Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Sugar Pill",
          "type": "DRUG"
        },
        {
          "name": "Doxazosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 11,
      "start_date": "2011-03",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-09-29",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02785393"
    },
    {
      "nct_id": "NCT01783704",
      "title": "Improving Community Ambulation After Hip Fracture",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hip Fracture"
      ],
      "interventions": [
        {
          "name": "Nutrition",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "PUSH",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PULSE",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2013-06-10",
      "completion_date": "2017-10-17",
      "has_results": false,
      "last_update_posted_date": "2022-01-27",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 4,
      "location_summary": "Farmington, Connecticut • Baltimore, Maryland • Lebanon, New Hampshire + 1 more",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Glenside",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01783704"
    },
    {
      "nct_id": "NCT00183430",
      "title": "Prazosin for Treating Noncombat Trauma Post-Traumatic Stress Disorder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Traumatic Stress Disorder",
        "Sleep Initiation and Maintenance Disorders"
      ],
      "interventions": [
        {
          "name": "Prazosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Psychotherapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Seattle Institute for Biomedical and Clinical Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2003-10",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2018-06-14",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00183430"
    },
    {
      "nct_id": "NCT04280965",
      "title": "Quetiapine Augmentation of PE Therapy for the Treatment of Co-occurring PTSD and Mild Traumatic Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Quetiapine Fumarate",
          "type": "DRUG"
        },
        {
          "name": "Standard of care meducations",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2019-02-01",
      "completion_date": "2022-10-17",
      "has_results": false,
      "last_update_posted_date": "2023-05-09",
      "last_synced_at": "2026-09-25T18:21:56.739Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04280965"
    }
  ]
}