{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Long+Duration&page=24",
    "query": {
      "intervention": "Long Duration",
      "page": 24
    },
    "page_size": 10
  },
  "pagination": {
    "page": 24,
    "page_size": 10,
    "total_count": 939,
    "total_pages": 94,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Long+Duration&page=25&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Long+Duration&page=23&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T04:17:23.066Z",
  "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": "NCT07405164",
      "title": "Extension Study for Participants in Studies That Include Belzutifan (MK-6482-043/LITESPARK-043)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Von Hippel-Lindau Disease",
        "Malignant Neoplasms"
      ],
      "interventions": [
        {
          "name": "Belzutifan",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Lenvatinib",
          "type": "DRUG"
        },
        {
          "name": "Cabozantinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2026-03-23",
      "completion_date": "2034-04-22",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 8,
      "location_summary": "Boston, Massachusetts • Detroit, Michigan • Philadelphia, Pennsylvania + 4 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07405164"
    },
    {
      "nct_id": "NCT04130698",
      "title": "Comparing Two Treatments That Both Target Smoking Cessation and Weight Loss at the Same Time.",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Distress Tolerance",
          "type": "BEHAVIORAL"
        },
        {
          "name": "transdermal nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Active Health Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Rhode Island College",
      "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": "2019-06-01",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-25",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04130698"
    },
    {
      "nct_id": "NCT07189234",
      "title": "Long Term Impact of Time-Restricted Eating on Parameters of Cardiometabolic Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metabolic Syndrome",
        "Pre-diabetes"
      ],
      "interventions": [
        {
          "name": "Time-restricted eating (TRE) + Standard of Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "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": 140,
      "start_date": "2025-10-23",
      "completion_date": "2029-01-06",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07189234"
    },
    {
      "nct_id": "NCT04989309",
      "title": "Left and Right Hemisphere Contributions to Speech Perception",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neural Bases of Speech Perception"
      ],
      "interventions": [
        {
          "name": "Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2024-12-19",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-15",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04989309"
    },
    {
      "nct_id": "NCT02564315",
      "title": "The Long-Term Quitting (Smoking Cessation) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine Mini-Lozenge for 11 Months",
          "type": "DRUG"
        },
        {
          "name": "Preparation Phase Behavioral Reduction Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Preparation Phase Recycling Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Preparation Phase Control Treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation Phase Supportive Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation Phase Skill Training Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation Phase Brief Information",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation Phase Nicotine Patch + Nicotine Mini-Lozenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1154,
      "start_date": "2015-10-30",
      "completion_date": "2019-11-05",
      "has_results": false,
      "last_update_posted_date": "2020-02-17",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02564315"
    },
    {
      "nct_id": "NCT03454022",
      "title": "Decision-Aid for Renal Therapy Pilot Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Insufficiency, Chronic",
        "Kidney Failure, Chronic"
      ],
      "interventions": [
        {
          "name": "DART",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Choosing a Treatment for Kidney Failure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2017-03-16",
      "completion_date": "2018-07-01",
      "has_results": false,
      "last_update_posted_date": "2018-09-11",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Brighton, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Brighton",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03454022"
    },
    {
      "nct_id": "NCT07436299",
      "title": "Novel Technologies to Improve Echocardiographic Estimates of Left Ventricular Filling Pressure in Heart Failure Combined With Atrial Fibrillation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure (HF)",
        "Atrial Fibrillation (AF)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Oslo University Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2026-09",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio • Houston, Texas",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07436299"
    },
    {
      "nct_id": "NCT02045862",
      "title": "A Multinational Study Comparing the Long-term Efficacy and Safety of Two Medicines, Solifenacin Succinate and Mirabegron Taken Together, or Separately, in Subjects With Symptoms of Overactive Bladder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urinary Bladder Overactive",
        "Overactive Bladder",
        "Urgency Incontinence",
        "Urinary Bladder Diseases\\Urologic Diseases"
      ],
      "interventions": [
        {
          "name": "Solifenacin succinate",
          "type": "DRUG"
        },
        {
          "name": "Mirabegron",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match solifenacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match mirabegron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Europe B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1829,
      "start_date": "2014-03-17",
      "completion_date": "2016-09-08",
      "has_results": true,
      "last_update_posted_date": "2024-10-31",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 75,
      "location_summary": "Mobile, Alabama • Chandler, Arizona • Phoenix, Arizona + 61 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02045862"
    },
    {
      "nct_id": "NCT07513220",
      "title": "The Effectiveness and Acceptability of Formal Versus Informal Mindful Self-Compassion for Adolescents",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coping"
      ],
      "interventions": [
        {
          "name": "Formal Mindful Self-Compassion (MSC-F)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Informal Mindful Self-Compassion (MSC-I)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Cambridge Health Alliance",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "14 Years to 19 Years"
      },
      "enrollment_count": 135,
      "start_date": "2026-04-13",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 1,
      "location_summary": "Malden, Massachusetts",
      "locations": [
        {
          "city": "Malden",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07513220"
    },
    {
      "nct_id": "NCT06214455",
      "title": "Intermittent Fasting and a No-Sugar Diet for Long COVID Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Long Covid19",
        "Long COVID"
      ],
      "interventions": [
        {
          "name": "Low sugar diet and 10-12 hour eating window",
          "type": "OTHER"
        },
        {
          "name": "Low sugar diet, 8 hour eating window and fasting",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pacific Northwest University of Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "19 Years to 69 Years"
      },
      "enrollment_count": 77,
      "start_date": "2022-11-04",
      "completion_date": "2024-09-10",
      "has_results": true,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-29T04:17:23.066Z",
      "location_count": 2,
      "location_summary": "Boulder, Colorado • Yakima, Washington",
      "locations": [
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Yakima",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06214455"
    }
  ]
}