{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Gabapentin+Enacarbil+%28GEn%29",
    "query": {
      "intervention": "Gabapentin Enacarbil (GEn)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Gabapentin+Enacarbil+%28GEn%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T16:09:53.953Z",
  "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": "NCT00619476",
      "title": "A Study In Patients With Neuropathic Pain From Post-Herpetic Neuralgia (PHN)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neuralgia, Postherpetic"
      ],
      "interventions": [
        {
          "name": "GEn 1200mg/day",
          "type": "DRUG"
        },
        {
          "name": "GEn 2400mg/day",
          "type": "DRUG"
        },
        {
          "name": "GEn 3600mg/day",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 376,
      "start_date": "2008-02",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2013-07-22",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 72,
      "location_summary": "Birmingham, Alabama • Northport, Alabama • Chandler, Arizona + 65 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Northport",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00619476"
    },
    {
      "nct_id": "NCT00617461",
      "title": "A Clinical Study in Subjects With Neuropathic Pain From PHN Who Have Had an Inadequate Response to Gabapentin Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neuralgia, Postherpetic"
      ],
      "interventions": [
        {
          "name": "GEn 1200mg/day",
          "type": "DRUG"
        },
        {
          "name": "GEn 3600mg/day",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2008-03",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2013-07-22",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 42,
      "location_summary": "Phoenix, Arizona • Oxnard, California • Roseville, California + 36 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00617461"
    },
    {
      "nct_id": "NCT03084536",
      "title": "PECS Block vs. Multimodal Analgesia for Prevention of Persistent Postoperative Pain in Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Cancer Female",
        "Cancer of Breast"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 134,
      "start_date": "2017-06-07",
      "completion_date": "2021-02-25",
      "has_results": true,
      "last_update_posted_date": "2024-12-24",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03084536"
    },
    {
      "nct_id": "NCT01516372",
      "title": "A Study to Evaluate the Effect of Gabapentin on Cardiac Repolarization in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "GEn 1200mg",
          "type": "DRUG"
        },
        {
          "name": "Gen 6000 mg",
          "type": "DRUG"
        },
        {
          "name": "GEn Placebo",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin Placebo",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 52,
      "start_date": "2012-01",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2021-04-12",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01516372"
    },
    {
      "nct_id": "NCT02351934",
      "title": "Early Diuresis Following Colorectal Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Colorectal Disorders"
      ],
      "interventions": [
        {
          "name": "Furosemide",
          "type": "DRUG"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "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": 123,
      "start_date": "2015-02",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2018-05-07",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02351934"
    },
    {
      "nct_id": "NCT03082755",
      "title": "Nighttime Agitation and Restless Legs Syndrome in People With Alzheimer's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Gabapentin Enacarbil",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 156,
      "start_date": "2017-07-01",
      "completion_date": "2023-03-31",
      "has_results": false,
      "last_update_posted_date": "2022-05-18",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03082755"
    },
    {
      "nct_id": "NCT00643760",
      "title": "A Study In Patients With Neuropathic Pain From Diabetic Peripheral Neuropathy (DPN)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neuropathy, Diabetic"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "GEn 1200mg/day",
          "type": "DRUG"
        },
        {
          "name": "GEn 2400mg/day",
          "type": "DRUG"
        },
        {
          "name": "GEn 3600mg/day",
          "type": "DRUG"
        },
        {
          "name": "Pregabalin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 421,
      "start_date": "2008-03",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2013-07-22",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 90,
      "location_summary": "Alabaster, Alabama • Birmingham, Alabama • Dothan, Alabama + 81 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00643760"
    },
    {
      "nct_id": "NCT01441531",
      "title": "Efficacy of Gabapentin in Prevention of Tourniquet Pain and Hypertension",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Tourniquet-induced Pain",
        "Tourniquet-induced Hypertension"
      ],
      "interventions": [
        {
          "name": "gabapentin 600 mg po",
          "type": "DRUG"
        },
        {
          "name": "Placebo pill given one hour before surgery",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 0,
      "start_date": "2012-01",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2015-03-17",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01441531"
    },
    {
      "nct_id": "NCT01476124",
      "title": "Drug Drug Interaction Study With Gabapentin Enacarbil and Morphine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "morphine Placebo",
          "type": "DRUG"
        },
        {
          "name": "GEn 600 mg",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "GEn Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 18,
      "start_date": "2011-08",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2013-07-16",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01476124"
    },
    {
      "nct_id": "NCT01332305",
      "title": "Dose-Response and Pharmacokinetics of Gabapentin Enacarbil (GEn [XP13512 / GSK1838262]) in Restless Legs Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "GEn (XP13512/GSK1838262)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 217,
      "start_date": "2007-01",
      "completion_date": "2008-01",
      "has_results": true,
      "last_update_posted_date": "2013-07-22",
      "last_synced_at": "2026-09-26T16:09:53.953Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01332305"
    }
  ]
}