{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Yohimbine",
    "query": {
      "intervention": "Yohimbine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 30,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Yohimbine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T00:38:49.234Z",
  "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": "NCT00033033",
      "title": "Reserpine for the Treatment of Cocaine Dependence - 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cocaine-Related Disorders",
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Reserpine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 140,
      "start_date": "2001-07",
      "completion_date": "2003-05",
      "has_results": false,
      "last_update_posted_date": "2017-01-12",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Cincinnati, Ohio • Dayton, Ohio",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00033033"
    },
    {
      "nct_id": "NCT06430580",
      "title": "Cannabinoids and Biological Reactivity to Stress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cannabis Use Disorder"
      ],
      "interventions": [
        {
          "name": "Hydrocortisone Oral",
          "type": "DRUG"
        },
        {
          "name": "Yohimbine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Cornstarch Placebo 20mg",
          "type": "DRUG"
        },
        {
          "name": "Cornstarch Placebo 54mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Florida State 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": 38,
      "start_date": "2024-09-30",
      "completion_date": "2026-08-13",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06430580"
    },
    {
      "nct_id": "NCT00032838",
      "title": "Effects of Stress Hormones on Emotion and Cognition",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Yohimbine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 170,
      "start_date": "2002-03",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00032838"
    },
    {
      "nct_id": "NCT03015246",
      "title": "Effects of Buprenorphine/Naloxone Dose on Experimental Stress Reactivity and Opioid Abstinence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heroin Dependence",
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Extended release morphine",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine/Naloxone low dose",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine/Naloxone moderate dose",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine/Naloxone high dose",
          "type": "DRUG"
        },
        {
          "name": "Active stressor",
          "type": "DRUG"
        },
        {
          "name": "Placebo stressor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wayne State University",
      "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": 26,
      "start_date": "2016-12",
      "completion_date": "2020-08",
      "has_results": false,
      "last_update_posted_date": "2020-11-10",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03015246"
    },
    {
      "nct_id": "NCT00958880",
      "title": "Yohimbine to Enhance Cognitive Behavioral Therapy (CBT) for Social Anxiety",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Social Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Group Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Yohimbine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Sugar Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Southern Methodist University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2009-03",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2013-11-11",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Dallas, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00958880"
    },
    {
      "nct_id": "NCT03670212",
      "title": "Investigation of Nicotine Seeking Behavior in Current Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Yohimbine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Hydrocortisone",
          "type": "DRUG"
        },
        {
          "name": "Lactose Monohydrate Powder",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wayne State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "21 Years to 35 Years"
      },
      "enrollment_count": 21,
      "start_date": "2016-01-07",
      "completion_date": "2016-10-04",
      "has_results": false,
      "last_update_posted_date": "2018-09-13",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03670212"
    },
    {
      "nct_id": "NCT04467931",
      "title": "ACEI or ARB and COVID-19 Severity and Mortality in US Veterans",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension",
        "COVID"
      ],
      "interventions": [
        {
          "name": "ACEI/ARB",
          "type": "DRUG"
        },
        {
          "name": "Non-ACEI/ARB",
          "type": "DRUG"
        },
        {
          "name": "ACEI",
          "type": "DRUG"
        },
        {
          "name": "ARB",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22213,
      "start_date": "2020-01-19",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-28",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04467931"
    },
    {
      "nct_id": "NCT04346394",
      "title": "The Role of the Noradrenergic System in the Nonmotor Symptoms of Parkinson's Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Yohimbine HCl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nathaniel M. Robbins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2021-05-11",
      "completion_date": "2023-08-01",
      "has_results": false,
      "last_update_posted_date": "2023-08-23",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04346394"
    },
    {
      "nct_id": "NCT03223272",
      "title": "Mechanisms of Refractory Hypertension (Reserpine)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Refractory Hypertension"
      ],
      "interventions": [
        {
          "name": "Reserpine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "19 Years to 80 Years"
      },
      "enrollment_count": 7,
      "start_date": "2015-07-23",
      "completion_date": "2020-01-31",
      "has_results": true,
      "last_update_posted_date": "2021-11-30",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03223272"
    },
    {
      "nct_id": "NCT00223691",
      "title": "Treatment of Orthostatic Hypotension in Autonomic Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Autonomic Failure",
        "Orthostatic Hypotension"
      ],
      "interventions": [
        {
          "name": "Atomoxetine",
          "type": "DRUG"
        },
        {
          "name": "Acarbose",
          "type": "DRUG"
        },
        {
          "name": "Pyridostigmine Bromide",
          "type": "DRUG"
        },
        {
          "name": "Yohimbine",
          "type": "DRUG"
        },
        {
          "name": "Midodrine HCl",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "Modafinil",
          "type": "DRUG"
        },
        {
          "name": "Octreotide",
          "type": "DRUG"
        },
        {
          "name": "water intake",
          "type": "OTHER"
        },
        {
          "name": "Diphenhydramine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Ranitidine HCL",
          "type": "DRUG"
        },
        {
          "name": "Tranylcypromine",
          "type": "DRUG"
        },
        {
          "name": "Ergotamine/ Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Pseudoephedrine",
          "type": "DRUG"
        },
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Indomethacin",
          "type": "DRUG"
        },
        {
          "name": "Ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "Oxymetazoline 0.05% nasal solution",
          "type": "DRUG"
        },
        {
          "name": "Bovril",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Acetazolamide",
          "type": "DRUG"
        },
        {
          "name": "Rivastigmine tartrate",
          "type": "DRUG"
        },
        {
          "name": "Carbidopa/levodopa",
          "type": "DRUG"
        },
        {
          "name": "Inflatable abdominal binder",
          "type": "DEVICE"
        },
        {
          "name": "inflatable abdominal binder (sham)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DIETARY_SUPPLEMENT",
        "DEVICE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 389,
      "start_date": "2002-03",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-18",
      "last_synced_at": "2026-09-03T00:38:49.234Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00223691"
    }
  ]
}