{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=leptin",
    "query": {
      "intervention": "leptin"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 100,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=leptin&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T00:17:35.857Z",
  "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": "NCT01659385",
      "title": "Leptin Levels in Papillary Thyroid Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thyroid Cancer, Papillary",
        "Leptin Levels"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "19 Years to 75 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2012-08-07",
      "completion_date": "2013-04-25",
      "has_results": false,
      "last_update_posted_date": "2023-09-06",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01659385"
    },
    {
      "nct_id": "NCT07442864",
      "title": "Hunger Perception and Weight-Related Outcomes Following Use of a Leptin-Supporting Dietary Supplement",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hunger",
        "Weight Change"
      ],
      "interventions": [
        {
          "name": "Leptin Balance Formula",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Efforia, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-09-10",
      "completion_date": "2026-09-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07442864"
    },
    {
      "nct_id": "NCT00691158",
      "title": "A Study of the Functional Magnetic Resonance Imaging Response to Leptin and Pramlintide",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Pramlintide (Amylin)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Normal Saline)",
          "type": "DRUG"
        },
        {
          "name": "2 Metreleptin",
          "type": "DRUG"
        },
        {
          "name": "Leptin plus Pramlintide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 10,
      "start_date": "2006-01",
      "completion_date": "2024-07",
      "has_results": false,
      "last_update_posted_date": "2022-12-16",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00691158"
    },
    {
      "nct_id": "NCT00510315",
      "title": "Abdominal Obesity and Cardiovascular Risk Factors in Women Who Survived Cancer or a Related Illness Following Total Body Irradiation and Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia",
        "Hodgkin's Lymphoma",
        "Non-Hodgkin's Lymphoma",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Questionnaires, Laboratory tests, Abdominal MRI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 11,
      "start_date": "2007-07",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2020-12-07",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00510315"
    },
    {
      "nct_id": "NCT00050791",
      "title": "Effects of Leptin Treatment on Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Leptin",
          "type": "DRUG"
        },
        {
          "name": "Very Low Calorie Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Rockefeller University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 45 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2001-03",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2010-10-19",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00050791"
    },
    {
      "nct_id": "NCT01960335",
      "title": "Whey Protein Intake With and Without Exercise on Visceral Fat: The P+RISE Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight"
      ],
      "interventions": [
        {
          "name": "Whey Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Whey Protein and Resistance Exericse",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Whey Protein and RISE exercise routine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Skidmore College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "30 Years to 60 Years"
      },
      "enrollment_count": 79,
      "start_date": "2011-01",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2013-10-10",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 1,
      "location_summary": "Saratoga Springs, New York",
      "locations": [
        {
          "city": "Saratoga Springs",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01960335"
    },
    {
      "nct_id": "NCT02654977",
      "title": "CLINICAL PROTOCOL to Investigate the Long-term Safety and Efficacy of Metreleptin in Various Forms of Partial Lipodystrophy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Familial Partial Lipodystrophy",
        "Nonalcoholic Steatohepatitis",
        "NAFLD"
      ],
      "interventions": [
        {
          "name": "Metreleptin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2015-09-29",
      "completion_date": "2019-11-14",
      "has_results": true,
      "last_update_posted_date": "2020-11-24",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02654977"
    },
    {
      "nct_id": "NCT00392925",
      "title": "A Study to Evaluate the Effect on Body Weight of Leptin Administered in Conjunction With Pramlintide in Overweight and Obese Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "pramlintide acetate 360 mcg",
          "type": "DRUG"
        },
        {
          "name": "metreleptin",
          "type": "DRUG"
        },
        {
          "name": "placebo-pramlintide 600 uL",
          "type": "DRUG"
        },
        {
          "name": "placebo-metreleptin 1 mL",
          "type": "DRUG"
        },
        {
          "name": "Pramlintide acetate 180 mcg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 177,
      "start_date": "2006-10",
      "completion_date": "2007-09",
      "has_results": true,
      "last_update_posted_date": "2015-04-14",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 12,
      "location_summary": "DeLand, Florida • Chicago, Illinois • Indianapolis, Indiana + 9 more",
      "locations": [
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00392925"
    },
    {
      "nct_id": "NCT00085982",
      "title": "Effect of Metreleptin Therapy in the Treatment of Severe Insulin Resistance",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Severe Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Metreleptin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2003-08-21",
      "completion_date": "2030-01-01",
      "has_results": true,
      "last_update_posted_date": "2025-01-30",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00085982"
    },
    {
      "nct_id": "NCT00001543",
      "title": "Dynamics of Leptin and Endocrine Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Involutional Depression"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 230,
      "start_date": "1996-03",
      "completion_date": "2002-06",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-25T00:17:35.857Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001543"
    }
  ]
}