{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vilazodone+40+mg",
    "query": {
      "intervention": "Vilazodone 40 mg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vilazodone+40+mg&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T20:33:24.553Z",
  "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": "NCT01473381",
      "title": "Safety and Efficacy of Vilazodone in Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Vilazodone",
          "type": "DRUG"
        },
        {
          "name": "Placebo to citalopram",
          "type": "DRUG"
        },
        {
          "name": "Placebo to vilazodone",
          "type": "DRUG"
        },
        {
          "name": "Citalopram",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 1162,
      "start_date": "2011-12",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2014-08-08",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 54,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Scottsdale, Arizona + 46 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Cerritos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01473381"
    },
    {
      "nct_id": "NCT03321526",
      "title": "A Study to Compare the Efficacy, Safety, and Tolerability of JNJ-42847922 Versus Quetiapine Extended-Release as Adjunctive Therapy to Antidepressants in Adult Participants With Major Depressive Disorder Who Have Responded Inadequately to Antidepressant Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "JNJ-42847922",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching to JNJ-42847922",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching to Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Selective Serotonin Reuptake Inhibitor (SSRI)",
          "type": "DRUG"
        },
        {
          "name": "Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 107,
      "start_date": "2017-12-12",
      "completion_date": "2019-06-27",
      "has_results": true,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 50,
      "location_summary": "Phoenix, Arizona • Tempe, Arizona • Rogers, Arkansas + 41 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03321526"
    },
    {
      "nct_id": "NCT05422612",
      "title": "Department of Defense PTSD Adaptive Platform Trial - Master Protocol",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Intervention A Fluoxetine Hydrochloride (HCl)",
          "type": "DRUG"
        },
        {
          "name": "Intervention A Placebo",
          "type": "DRUG"
        },
        {
          "name": "Intervention B Vilazodone Hydrochloride (HCl)",
          "type": "DRUG"
        },
        {
          "name": "Intervention B Placebo",
          "type": "DRUG"
        },
        {
          "name": "Intervention C Daridorexant",
          "type": "DRUG"
        },
        {
          "name": "Intervention C Placebo",
          "type": "DRUG"
        },
        {
          "name": "Intervention D SLS-002",
          "type": "DRUG"
        },
        {
          "name": "Intervention D Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Global Coalition for Adaptive Research",
      "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": 800,
      "start_date": "2023-11-02",
      "completion_date": "2029-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 9,
      "location_summary": "Miami, Florida • Atlanta, Georgia • Tripler AMC, Hawaii + 6 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Tripler AMC",
          "state": "Hawaii"
        },
        {
          "city": "Fort Thomas",
          "state": "Kentucky"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05422612"
    },
    {
      "nct_id": "NCT00644358",
      "title": "A One Year Open Label Study Assessing the Safety and Tolerability of Vilazodone in Patients With Major Depressive Disorder (MDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "vilazodone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 616,
      "start_date": "2007-12-31",
      "completion_date": "2009-05-31",
      "has_results": true,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 38,
      "location_summary": "Garden Grove, California • San Diego, California • Torrance, California + 34 more",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00644358"
    },
    {
      "nct_id": "NCT01766401",
      "title": "Safety, Efficacy and Tolerability of Vilazodone in Patients With Generalized Anxiety Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Generalized Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Vilazadone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 402,
      "start_date": "2013-01-31",
      "completion_date": "2014-01-29",
      "has_results": true,
      "last_update_posted_date": "2019-12-18",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 30,
      "location_summary": "Arcadia, California • Beverly Hills, California • Encino, California + 26 more",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Redlands",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01766401"
    },
    {
      "nct_id": "NCT01473394",
      "title": "Safety, Efficacy, and Tolerability of Vilazodone in Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Dose-matched placebo",
          "type": "DRUG"
        },
        {
          "name": "Vilazodone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 518,
      "start_date": "2011-12",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2014-04-03",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 14,
      "location_summary": "Beverly Hills, California • Encino, California • New Port Beach, California + 11 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "New Port Beach",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01473394"
    },
    {
      "nct_id": "NCT02097147",
      "title": "Study to Evaluate the Sexual Functioning of Healthy Adults After Receiving Vilazodone, Paroxetine or Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Vilazodone 20 mg",
          "type": "DRUG"
        },
        {
          "name": "Vilazodone 40 mg",
          "type": "DRUG"
        },
        {
          "name": "Paroxetine 20 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "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": 202,
      "start_date": "2014-03",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-02-12",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 4,
      "location_summary": "Miami, Florida • Overland Park, Kansas • Saint Paul, Minnesota + 1 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02097147"
    },
    {
      "nct_id": "NCT02028026",
      "title": "The Effects of Vilazodone on Glutamate in the Anterior Cingulate Cortex in Anxious Unipolar Depressives",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Anxiety",
        "Comorbidity"
      ],
      "interventions": [
        {
          "name": "Vilazodone",
          "type": "DRUG"
        },
        {
          "name": "Citalopram",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2013-04",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2016-11-08",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02028026"
    },
    {
      "nct_id": "NCT01574183",
      "title": "Vilazodone Treatment for Marijuana Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Marijuana Dependence"
      ],
      "interventions": [
        {
          "name": "Vilazodone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 76,
      "start_date": "2012-08",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2016-08-10",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01574183"
    },
    {
      "nct_id": "NCT02015546",
      "title": "Switching From Generic Selective Serotonin Reuptake Inhibitors (SSRIs) and Selective Serotonin and Norepinephrine Reuptake Inhibitors (SNRIs) to Three Different Dose Initiation Strategies With Vilazodone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder (MDD)"
      ],
      "interventions": [
        {
          "name": "Vilazodone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 70,
      "start_date": "2012-12",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-04-16",
      "last_synced_at": "2026-09-23T20:33:24.553Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02015546"
    }
  ]
}