{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venlafaxine+HCl&page=3",
    "query": {
      "intervention": "Venlafaxine HCl",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 120,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venlafaxine+HCl&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venlafaxine+HCl&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T02:51:05.223Z",
  "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": "NCT02893371",
      "title": "Longitudinal Comparative Effectiveness of Bipolar Disorder Therapies",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "Lithium Carbonate",
          "type": "DRUG"
        },
        {
          "name": "Lamotrigine",
          "type": "DRUG"
        },
        {
          "name": "Valproic Acid",
          "type": "DRUG"
        },
        {
          "name": "Oxcarbazepine",
          "type": "DRUG"
        },
        {
          "name": "Carbamazepine",
          "type": "DRUG"
        },
        {
          "name": "Ziprasidone",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Fluoxetine / Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Haloperidol",
          "type": "DRUG"
        },
        {
          "name": "Perphenazine",
          "type": "DRUG"
        },
        {
          "name": "Clozapine",
          "type": "DRUG"
        },
        {
          "name": "Asenapine",
          "type": "DRUG"
        },
        {
          "name": "Lurasidone",
          "type": "DRUG"
        },
        {
          "name": "Paliperidone",
          "type": "DRUG"
        },
        {
          "name": "Mirtazapine",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Desvenlafaxine",
          "type": "DRUG"
        },
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        },
        {
          "name": "Citalopram",
          "type": "DRUG"
        },
        {
          "name": "Escitalopram",
          "type": "DRUG"
        },
        {
          "name": "Fluoxetine",
          "type": "DRUG"
        },
        {
          "name": "Fluvoxamine",
          "type": "DRUG"
        },
        {
          "name": "Paroxetine",
          "type": "DRUG"
        },
        {
          "name": "Sertraline",
          "type": "DRUG"
        },
        {
          "name": "Vilazodone",
          "type": "DRUG"
        },
        {
          "name": "Doxepin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1037352,
      "start_date": "2016-09",
      "completion_date": "2019-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-03-12",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02893371"
    },
    {
      "nct_id": "NCT02005107",
      "title": "Venlafaxine PK Following Bariatric Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Roux en Y Gastric Bypass",
        "Sleeve Gastrectomy"
      ],
      "interventions": [
        {
          "name": "Venlafaxine IR and Venlafaxine XR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "North Dakota State 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": 12,
      "start_date": "2013-12",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-06",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02005107"
    },
    {
      "nct_id": "NCT01867255",
      "title": "Study to Examine the Effect of Gastric Bypass Surgery on Venlafaxine ER Blood Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bariatric Surgery",
        "Gastric Bypass",
        "Roux-en-Y Gastric Bypass"
      ],
      "interventions": [
        {
          "name": "venlafaxine ER (extended-release) 75 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "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": "2013-10",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2015-12-23",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01867255"
    },
    {
      "nct_id": "NCT00641927",
      "title": "Antidepressant Therapy for Bipolar II Major Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bipolar Type II Disorder"
      ],
      "interventions": [
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        },
        {
          "name": "Lithium Carbonate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanley Medical Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2002-04",
      "completion_date": "2006-10",
      "has_results": false,
      "last_update_posted_date": "2008-03-24",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00641927"
    },
    {
      "nct_id": "NCT01533753",
      "title": "Quality of Life Study Using Gabapentin Versus Venlafaxine in Treating Hot Flashes in Patients With Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 5,
      "start_date": "2012-02",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2019-11-21",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01533753"
    },
    {
      "nct_id": "NCT01838876",
      "title": "Long-term Safety and Tolerability of Cariprazine as an Adjunctive Treatment to Antidepressant Therapy in Patients With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Cariprazine",
          "type": "DRUG"
        },
        {
          "name": "Antidepressant Therapy (ADT)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 442,
      "start_date": "2013-04-29",
      "completion_date": "2015-07-27",
      "has_results": true,
      "last_update_posted_date": "2019-08-21",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 88,
      "location_summary": "Tucson, Arizona • Fayetteville, Arkansas • Little Rock, Arkansas + 74 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01838876"
    },
    {
      "nct_id": "NCT00892047",
      "title": "Incomplete Response in Late Life Depression: Getting to Remission (IRL GREY)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "venlafaxine XR plus aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "venlafaxine plus placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 468,
      "start_date": "2009-08",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2015-12-17",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 2,
      "location_summary": "St Louis, Missouri • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00892047"
    },
    {
      "nct_id": "NCT01658228",
      "title": "Combination Treatment Study for Memory Impairment and Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Donepezil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Citalopram",
          "type": "DRUG"
        },
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 86,
      "start_date": "2011-09",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2017-10-17",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 2,
      "location_summary": "New York, New York • Durham, North Carolina",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01658228"
    },
    {
      "nct_id": "NCT00316160",
      "title": "Sexual Functioning Study With Antidepressants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depressive Disorder, Major",
        "Major Depressive Disorder (MDD)"
      ],
      "interventions": [
        {
          "name": "Bupropion Hydrochloride Extended-release",
          "type": "DRUG"
        },
        {
          "name": "Extended-release Venlafaxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 347,
      "start_date": "2004-09",
      "completion_date": "2005-05",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 45,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 40 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00316160"
    },
    {
      "nct_id": "NCT00362271",
      "title": "Aripiprazole and Effexor XR Drug Interaction Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Venlafaxine on Day -4 to day 14, Aripiprazole dosed starting on Day 1: 3 days at 10 mg, 4 days at 1 mg and 7 days at 20 mg.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 38,
      "start_date": "2006-08",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2013-11-08",
      "last_synced_at": "2026-10-04T02:51:05.223Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00362271"
    }
  ]
}