{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Gabapentin+ER",
    "query": {
      "intervention": "Gabapentin ER"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T02:28:40.913Z",
  "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": "NCT00511953",
      "title": "Study of Gabapentin Extended Release (G-ER) in the Treatment of Vasomotor (Hot Flashes/Hot Flushes) Symptoms in Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hot Flashes"
      ],
      "interventions": [
        {
          "name": "Gabapentin Extended Release tablets",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Depomed",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 108,
      "start_date": "2007-06",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2011-06-08",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 8,
      "location_summary": "Burbank, California • DeLand, Florida • Port Orange, Florida + 5 more",
      "locations": [
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Port Orange",
          "state": "Florida"
        },
        {
          "city": "Shawnee",
          "state": "Kansas"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00511953"
    },
    {
      "nct_id": "NCT00335933",
      "title": "Safety and Efficacy of Gabapentin in Postherpetic Neuralgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neuralgia, Postherpetic"
      ],
      "interventions": [
        {
          "name": "Gabapentin extended-release tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Depomed",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 378,
      "start_date": "2006-05",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2007-08-02",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00335933"
    },
    {
      "nct_id": "NCT00755417",
      "title": "Study of Gabapentin Extended Release (G-ER) in the Treatment of Vasomotor (Hot Flashes/Hot Flushes) Symptoms in Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hot Flashes"
      ],
      "interventions": [
        {
          "name": "Gabapentin Extended-Release (G-ER) 1200 mg",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin Extended-Release (G-ER) 1800 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Depomed",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 541,
      "start_date": "2008-09",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2012-03-07",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 45,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Tempe, Arizona + 42 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Berkely",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00755417"
    },
    {
      "nct_id": "NCT01764464",
      "title": "GRASSP: Gralise® for Spine Surgery Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post-laminectomy Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Gralise®",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 53,
      "start_date": "2012-12",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2019-07-30",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01764464"
    },
    {
      "nct_id": "NCT00777023",
      "title": "Study of Gabapentin Extended Release (G-ER)in the Treatment of Vasomotor (Hot Flashes/Hot Flushes) Symptoms in Postmenopausal Women.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hot Flashes"
      ],
      "interventions": [
        {
          "name": "Gabapentin Extended-Release (G-ER) 1200 mg",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin Extended-Release (G-ER) 1800 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Depomed",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 565,
      "start_date": "2008-10",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2012-02-22",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 45,
      "location_summary": "Birmingham, Alabama • Chandler, Arizona • Scottsdale, Arizona + 40 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Foothill Ranch",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00777023"
    },
    {
      "nct_id": "NCT00636636",
      "title": "Safety and Efficacy of Gabapentin in Postherpetic Neuralgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neuralgia,Postherpetic"
      ],
      "interventions": [
        {
          "name": "Gabapentin Extended Release tablets",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Depomed",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 452,
      "start_date": "2008-03",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2012-02-22",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Lancaster",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00636636"
    },
    {
      "nct_id": "NCT03574792",
      "title": "Gabapentin, Methadone, and Oxycodone With or Without Venlafaxine Hydrochloride in Managing Pain in Participants With Stage II-IV Squamous Cell Head and Neck Cancer Undergoing Chemoradiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stage III Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8",
        "Stage IV Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Venlafaxine",
          "type": "DRUG"
        },
        {
          "name": "Venlafaxine Hydrochloride Extended Release",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2018-05-03",
      "completion_date": "2021-11-11",
      "has_results": true,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03574792"
    },
    {
      "nct_id": "NCT02186795",
      "title": "Total Hip Arthroplasty Outcomes With Regional and Multimodal Analgesia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthroplasty",
        "Replacement, Hip",
        "Arthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 117,
      "start_date": "2013-04",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2019-03-22",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02186795"
    },
    {
      "nct_id": "NCT02052414",
      "title": "Study of Gralise to Treat Fibromyalgia Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "Gabapentin ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Center for Clinical Research, Winston-Salem, NC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 34,
      "start_date": "2012-07",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2016-10-19",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02052414"
    },
    {
      "nct_id": "NCT01080300",
      "title": "Breeze3:Study of Gabapentin Extended Release in the Treatment of Vasomotor Symptoms(Hot Flashes)in Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hot Flashes"
      ],
      "interventions": [
        {
          "name": "Gabapentin Extended Release",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Depomed",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 600,
      "start_date": "2010-08",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2020-05-01",
      "last_synced_at": "2026-09-11T02:28:40.913Z",
      "location_count": 66,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 63 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01080300"
    }
  ]
}