{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=venlafaxine+%28Effexor%29&page=6",
    "query": {
      "intervention": "venlafaxine (Effexor)",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 121,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=venlafaxine+%28Effexor%29&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=venlafaxine+%28Effexor%29&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T10:50:50.018Z",
  "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": "NCT00167856",
      "title": "Effects of Venlafaxine on Chronic Neuropathic Pain Following Spinal Cord Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neuropathic Pain",
        "Pain",
        "Spinal Cord Injuries"
      ],
      "interventions": [
        {
          "name": "Venalafaxine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 16,
      "start_date": "2005-06",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2014-03-27",
      "last_synced_at": "2026-10-11T10:50:50.018Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00167856"
    },
    {
      "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": "2026-10-11T10:50:50.018Z",
      "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": "NCT03511118",
      "title": "Pharmacokinetics and Safety of Commonly Used Drugs in Lactating Women and Breastfed Infants",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lactating Women on Select DOI",
        "Breastfed Infants of Mothers on Select DOI"
      ],
      "interventions": [
        {
          "name": "Tranexamic acid (TXA)",
          "type": "DRUG"
        },
        {
          "name": "labetalol",
          "type": "DRUG"
        },
        {
          "name": "metformin",
          "type": "DRUG"
        },
        {
          "name": "nifedipine",
          "type": "DRUG"
        },
        {
          "name": "clindamycin",
          "type": "DRUG"
        },
        {
          "name": "oxycodone",
          "type": "DRUG"
        },
        {
          "name": "azithromycin",
          "type": "DRUG"
        },
        {
          "name": "escitalopram",
          "type": "DRUG"
        },
        {
          "name": "sertraline",
          "type": "DRUG"
        },
        {
          "name": "ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Ciprofloxacin",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Levofloxacin",
          "type": "DRUG"
        },
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Sumatriptan",
          "type": "DRUG"
        },
        {
          "name": "Citalopram",
          "type": "DRUG"
        },
        {
          "name": "Cyclobenzaprine",
          "type": "DRUG"
        },
        {
          "name": "Furosemide",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Hydrochlorothiazide",
          "type": "DRUG"
        },
        {
          "name": "Hydroxyurea",
          "type": "DRUG"
        },
        {
          "name": "Rosuvastatin",
          "type": "DRUG"
        },
        {
          "name": "Topiramate",
          "type": "DRUG"
        },
        {
          "name": "Trazodone",
          "type": "DRUG"
        },
        {
          "name": "Valganciclovir",
          "type": "DRUG"
        },
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        },
        {
          "name": "Verapamil",
          "type": "DRUG"
        },
        {
          "name": "Remdesivir",
          "type": "DRUG"
        },
        {
          "name": "Anakinra",
          "type": "DRUG"
        },
        {
          "name": "Tocilizumab",
          "type": "DRUG"
        },
        {
          "name": "Fluvoxamine",
          "type": "DRUG"
        },
        {
          "name": "Amoxicillin",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Hydrocodone",
          "type": "DRUG"
        },
        {
          "name": "Levetiracetam",
          "type": "DRUG"
        },
        {
          "name": "Paroxetine",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1600,
      "start_date": "2018-10-04",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-10-11T10:50:50.018Z",
      "location_count": 20,
      "location_summary": "La Jolla, California • Loma Linda, California • Chicago, Illinois + 15 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03511118"
    },
    {
      "nct_id": "NCT00043550",
      "title": "Treatments for Depression: Drug Versus Psychotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Supportive Expressive Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sertraline",
          "type": "DRUG"
        },
        {
          "name": "Pill Placebo",
          "type": "DRUG"
        },
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 156,
      "start_date": "2001-11",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2017-06-02",
      "last_synced_at": "2026-10-11T10:50:50.018Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00043550"
    },
    {
      "nct_id": "NCT04747314",
      "title": "Treating Negative Affect in Low Back Pain Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Low Back Pain",
        "Negative Affectivity"
      ],
      "interventions": [
        {
          "name": "Antidepressant",
          "type": "DRUG"
        },
        {
          "name": "Enhanced Fear Avoidance Rehabilitation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Ajay Wasan, MD, Msc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 308,
      "start_date": "2021-03-31",
      "completion_date": "2024-12-20",
      "has_results": true,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-10-11T10:50:50.018Z",
      "location_count": 3,
      "location_summary": "Chestnut Hill, Massachusetts • Rochester, Minnesota • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Chestnut Hill",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04747314"
    },
    {
      "nct_id": "NCT07795593",
      "title": "Modality Choice Before and After Failure for the Treatment of Painful Diabetic Neuropathy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Painful Diabetic Neuropathy (PDN)",
        "Diabetic Nephropathies"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy (CBT)",
          "type": "DEVICE"
        },
        {
          "name": "Oral Medication",
          "type": "DRUG"
        },
        {
          "name": "Topical Medication",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2026-10",
      "completion_date": "2031-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-10-11T10:50:50.018Z",
      "location_count": 23,
      "location_summary": "Stanford, California • Jacksonville, Florida • Chicago, Illinois + 17 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07795593"
    },
    {
      "nct_id": "NCT01436175",
      "title": "SPD489 Adult Major Depressive Disorder (MDD) Open-label Safety and Tolerability Rollover Extension Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "SPD489 (Lisdexamfetamine dimesylate) + Antidepressant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "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": 1570,
      "start_date": "2012-02-27",
      "completion_date": "2014-03-27",
      "has_results": true,
      "last_update_posted_date": "2021-06-14",
      "last_synced_at": "2026-10-11T10:50:50.018Z",
      "location_count": 140,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 113 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Carson",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01436175"
    },
    {
      "nct_id": "NCT00211809",
      "title": "CBT as an Adjunct to SRIs in the Treatment of BDD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Body Dysmorphic Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 17,
      "start_date": "2008-09",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2017-03-09",
      "last_synced_at": "2026-10-11T10:50:50.018Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00211809"
    },
    {
      "nct_id": "NCT02714400",
      "title": "The Impact of Venlafaxine on Apnea Hypopnea Index in Obstructive Sleep Apnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2016-03",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2020-04-17",
      "last_synced_at": "2026-10-11T10:50:50.018Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02714400"
    },
    {
      "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": "2026-10-11T10:50:50.018Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02005107"
    }
  ]
}