{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Topiramate+and+Placebo&page=2",
    "query": {
      "intervention": "Topiramate and Placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Topiramate+and+Placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Topiramate+and+Placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T20:44:13.817Z",
  "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": "NCT00563368",
      "title": "A Study Comparing Multiple Doses of VI-0521 With Placebo and Their Single-agent Constituents for Treatment of Obesity in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "VI-0521",
          "type": "DRUG"
        },
        {
          "name": "topiramate",
          "type": "DRUG"
        },
        {
          "name": "phentermine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VIVUS 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": 756,
      "start_date": "2007-12",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2015-03-30",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00563368"
    },
    {
      "nct_id": "NCT01713946",
      "title": "A Placebo-controlled Study of Efficacy & Safety of 2 Trough-ranges of Everolimus as Adjunctive Therapy in Patients With Tuberous Sclerosis Complex (TSC) & Refractory Partial-onset Seizures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tuberous Sclerosis Complex-associated Refractory Seizures"
      ],
      "interventions": [
        {
          "name": "RAD001",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Antiepileptic drug (1 to 3 only)",
          "type": "DRUG"
        },
        {
          "name": "open label RAD001 (only used for post-extension phase)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "2 Years to 65 Years"
      },
      "enrollment_count": 366,
      "start_date": "2013-04-29",
      "completion_date": "2017-10-25",
      "has_results": true,
      "last_update_posted_date": "2018-11-07",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01713946"
    },
    {
      "nct_id": "NCT00486291",
      "title": "Study of VI-0521 Compared to Placebo in the Glycemic Management of Obese Diabetics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "VI-0521",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VIVUS LLC",
      "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": 210,
      "start_date": "2007-06",
      "completion_date": "2008-04",
      "has_results": true,
      "last_update_posted_date": "2012-09-10",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00486291"
    },
    {
      "nct_id": "NCT04404439",
      "title": "Treatment of Tinnitus With Migraine Medications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tinnitus, Subjective",
        "Tinnitus"
      ],
      "interventions": [
        {
          "name": "Nortriptyline + Topiramate",
          "type": "DRUG"
        },
        {
          "name": "Verapamil + Paroxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "25 Years to 85 Years"
      },
      "enrollment_count": 78,
      "start_date": "2019-09-26",
      "completion_date": "2023-12-30",
      "has_results": true,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04404439"
    },
    {
      "nct_id": "NCT01087736",
      "title": "Topiramate Treatment of Alcohol Use Disorders in Veterans With Post Traumatic Stress Disorder (PTSD): A Pilot Controlled Trial of Augmentation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "PTSD",
        "Alcohol Abuse",
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Topiramate",
          "type": "DRUG"
        },
        {
          "name": "Placebo administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 30,
      "start_date": "2010-04",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2014-06-03",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01087736"
    },
    {
      "nct_id": "NCT00204386",
      "title": "Safety & Efficacy Study Using Topiramate in Posttraumatic Stress Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Topiramate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 50,
      "start_date": "2002-09",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2007-05-30",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00204386"
    },
    {
      "nct_id": "NCT00772031",
      "title": "NINDS CRC Chronic Migraine Treatment Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Migraine"
      ],
      "interventions": [
        {
          "name": "propranolol LA",
          "type": "DRUG"
        },
        {
          "name": "topiramate",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Anne Lindblad",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 191,
      "start_date": "2008-10",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2012-01-24",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 39,
      "location_summary": "Phoenix, Arizona • Tuscon, Arizona • Chico, California + 35 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Chico",
          "state": "California"
        },
        {
          "city": "Colton",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00772031"
    },
    {
      "nct_id": "NCT01351753",
      "title": "Drug Therapy Induced Weight Loss to Improve Blood Vessel Function in Subjects With Obesity",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity",
        "Metabolic Syndrome X"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Orlistat",
          "type": "DRUG"
        },
        {
          "name": "Topiramate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 128,
      "start_date": "2011-03",
      "completion_date": "2014-01-09",
      "has_results": true,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01351753"
    },
    {
      "nct_id": "NCT02239913",
      "title": "Topiramate-Phentermine Combinations for Cocaine Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine Use Disorder"
      ],
      "interventions": [
        {
          "name": "Cocaine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Phentermine",
          "type": "DRUG"
        },
        {
          "name": "Topiramate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Kentucky",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 38,
      "start_date": "2014-09",
      "completion_date": "2019-09",
      "has_results": false,
      "last_update_posted_date": "2019-11-27",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02239913"
    },
    {
      "nct_id": "NCT01700387",
      "title": "A Study to Evaluate the Tolerability of Botox and Topiramate or Botox and Placebo and Effect on Cognitive Efficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Migraine"
      ],
      "interventions": [
        {
          "name": "onabotulinumtoxinA",
          "type": "DRUG"
        },
        {
          "name": "Topiramate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cady, Roger, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2012-10",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2020-08-18",
      "last_synced_at": "2026-10-04T20:44:13.817Z",
      "location_count": 1,
      "location_summary": "Springfield, Missouri",
      "locations": [
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01700387"
    }
  ]
}