{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phentermine%2FTopiramate",
    "query": {
      "intervention": "Phentermine/Topiramate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 49,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phentermine%2FTopiramate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T03:38:18.175Z",
  "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": "NCT00768404",
      "title": "A Study to Evaluate the Pharmacokinetics of VI-0521 Subjects With Renal Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Renal Impairment"
      ],
      "interventions": [
        {
          "name": "Topirmate and Phentermine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VIVUS LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "19 Years to 75 Years"
      },
      "enrollment_count": 32,
      "start_date": "2008-10",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2009-12-01",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 4,
      "location_summary": "Anaheim, California • Miami, Florida • Orlando, Florida + 1 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00768404"
    },
    {
      "nct_id": "NCT04721873",
      "title": "Pharmacologic Weight Loss as Adjunct Therapy for Ulcerative Colitis in Obese Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colitis, Ulcerative",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Phentermine-Topiramate",
          "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": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2020-12-18",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-05-16",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04721873"
    },
    {
      "nct_id": "NCT00554216",
      "title": "Study of VI-0521 Compared to Placebo in Treatment of Obesity in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "VI-0521",
          "type": "DRUG"
        },
        {
          "name": "Placebo matched phentermine/topiramate",
          "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": 1267,
      "start_date": "2007-11",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2012-09-10",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Ridgefield, Connecticut • Durham, North Carolina + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Ridgefield",
          "state": "Connecticut"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Toledo",
          "state": "Ohio"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00554216"
    },
    {
      "nct_id": "NCT07188545",
      "title": "Using Secondary Data to Evaluate Sex-based Heterogeneity of GLP-1 Agonists and SGLT2 Inhibitors on Cardiovascular-Kidney-Metabolic Health (CKMH) Outcomes in Real-world Settings (DASH-CKMH)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Kidney Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Intervention",
          "type": "DRUG"
        },
        {
          "name": "Active Comparator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23280000,
      "start_date": "2025-09-15",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07188545"
    },
    {
      "nct_id": "NCT07058155",
      "title": "Optimizing Portal Hypertension With TIPS and Interval Metabolic Surgery for Advanced Liver Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Liver Cirrhoses",
        "Portal Hypertension Related to Cirrhosis",
        "Severe Obesity",
        "TIPS"
      ],
      "interventions": [
        {
          "name": "Transjugular Intrahepatic Portosystemic Shunt (TIPS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Sleeve Gastrectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Anti-Obesity Pharmacotherapy (Class Effect)",
          "type": "DRUG"
        },
        {
          "name": "Lifestyle Counseling - Diet & Physical-Activity Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "The Cleveland Clinic",
      "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": 70,
      "start_date": "2025-12-17",
      "completion_date": "2034-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07058155"
    },
    {
      "nct_id": "NCT03922945",
      "title": "A Phase IV Safety and Efficacy Study of VI-0521 in Adolescents With Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Adolescent Obesity",
        "Obesity in Adolescence",
        "Adolescent Overweight"
      ],
      "interventions": [
        {
          "name": "VI-0521 oral capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        },
        {
          "name": "Lifestyle Modification",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "VIVUS LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "12 Years to 16 Years"
      },
      "enrollment_count": 223,
      "start_date": "2019-05-02",
      "completion_date": "2021-04-16",
      "has_results": true,
      "last_update_posted_date": "2022-09-10",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 1,
      "location_summary": "Norman, Oklahoma",
      "locations": [
        {
          "city": "Norman",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03922945"
    },
    {
      "nct_id": "NCT02714062",
      "title": "A Pharmacokinetic Study Comparing VI-0521 With Placebo in Obese Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pediatric Obesity",
        "Childhood Obesity"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "VI-0521 Mid Dose",
          "type": "DRUG"
        },
        {
          "name": "VI-0521 Top Dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VIVUS LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 42,
      "start_date": "2016-03",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2022-08-23",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 4,
      "location_summary": "Baton Rouge, Louisiana • Marrero, Louisiana • Cincinnati, Ohio + 1 more",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Marrero",
          "state": "Louisiana"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02714062"
    },
    {
      "nct_id": "NCT04572217",
      "title": "Medications After Adolescent Bariatric Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pediatric Obesity"
      ],
      "interventions": [
        {
          "name": "Topiramate",
          "type": "DRUG"
        },
        {
          "name": "Phentermine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janey Pratt",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "12 Years to 25 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-06-01",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-31",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04572217"
    },
    {
      "nct_id": "NCT03799198",
      "title": "Real World Effectiveness of Combining an Employer-based Weight Management Program With Medication for Chronic Weight Management in Employees With Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Weight Management Program (WMP)",
          "type": "OTHER"
        },
        {
          "name": "Medication for chronic weight management (Rx)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2019-01-07",
      "completion_date": "2020-05-22",
      "has_results": true,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03799198"
    },
    {
      "nct_id": "NCT01950520",
      "title": "Study of Human Non-Shivering Thermogenesis and Basal Metabolic Rate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Propranolol",
          "type": "DRUG"
        },
        {
          "name": "Pindolol",
          "type": "DRUG"
        },
        {
          "name": "Dantrolene",
          "type": "DRUG"
        },
        {
          "name": "Magnesium Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Qsymia",
          "type": "DRUG"
        },
        {
          "name": "Topiramate",
          "type": "DRUG"
        },
        {
          "name": "Phentermine",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Mirabegron 50mg",
          "type": "DRUG"
        },
        {
          "name": "Mirabegron 200mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo Cohort 1",
          "type": "DRUG"
        },
        {
          "name": "Placebo Cohort 2",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Mirabegron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 47,
      "start_date": "2014-02-07",
      "completion_date": "2024-06-11",
      "has_results": true,
      "last_update_posted_date": "2024-10-16",
      "last_synced_at": "2026-09-26T03:38:18.175Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01950520"
    }
  ]
}