{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Leptin+A",
    "query": {
      "intervention": "Leptin A"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 59,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Leptin+A&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T21:39:45.549Z",
  "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": "NCT01369173",
      "title": "COMIDAS Comparing Original Mexican Diets and Standard US Diets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Mexican or American foods",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2011-10",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-05-06",
      "last_synced_at": "2026-09-03T21:39:45.549Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01369173"
    },
    {
      "nct_id": "NCT02484976",
      "title": "Brain Activation and Satiety in Children: Functional Magnetic Resonance Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Obesity"
      ],
      "interventions": [
        {
          "name": "Family Based Behavioral Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "9 Years to 11 Years"
      },
      "enrollment_count": 81,
      "start_date": "2014-09",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-09-06",
      "last_synced_at": "2026-09-03T21:39:45.549Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02484976"
    },
    {
      "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": "2026-09-03T21:39:45.549Z",
      "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": "NCT00596934",
      "title": "Recombinant Leptin Therapy for Treatment of Nonalcoholic Steatohepatitis (NASH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fatty Liver Disease, Nonalcoholic"
      ],
      "interventions": [
        {
          "name": "metreleptin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Elif Oral",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 9,
      "start_date": "2006-02",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2017-11-24",
      "last_synced_at": "2026-09-03T21:39:45.549Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00596934"
    },
    {
      "nct_id": "NCT04963231",
      "title": "DAYBREAK: A Study of Setmelanotide in Participants With Specific Gene Variants in the Melanocortin-4 Receptor (MC4R) Pathway",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Genetic Obesity"
      ],
      "interventions": [
        {
          "name": "Setmelanotide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rhythm Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "6 Years to 65 Years"
      },
      "enrollment_count": 164,
      "start_date": "2021-11-30",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-09-03T21:39:45.549Z",
      "location_count": 21,
      "location_summary": "Scottsdale, Arizona • Suwanee, Georgia • Worcester, Massachusetts + 16 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Suwanee",
          "state": "Georgia"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Dearborn",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04963231"
    },
    {
      "nct_id": "NCT03651765",
      "title": "Long Term Extension Trial of Setmelanotide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Obesity Associated With Defects in Leptin-melanocortin Pathway"
      ],
      "interventions": [
        {
          "name": "Setmelanotide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rhythm Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 205,
      "start_date": "2018-07-15",
      "completion_date": "2025-01-09",
      "has_results": true,
      "last_update_posted_date": "2025-05-31",
      "last_synced_at": "2026-09-03T21:39:45.549Z",
      "location_count": 15,
      "location_summary": "Chandler, Arizona • Scottsdale, Arizona • San Diego, California + 12 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03651765"
    },
    {
      "nct_id": "NCT06818032",
      "title": "Avocado and Postprandial Responses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy",
        "Healthy Volunteer",
        "Healthy Volunteers",
        "Healthy Adult",
        "Healthy Male and Female Subjects",
        "Healthy Subjects",
        "Healthy Volunteers Only",
        "Healthy Non-smokers"
      ],
      "interventions": [
        {
          "name": "Negative control",
          "type": "OTHER"
        },
        {
          "name": "Avocado",
          "type": "OTHER"
        },
        {
          "name": "Fat and fiber addition",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Vermont Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-03-24",
      "completion_date": "2026-03-26",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-09-03T21:39:45.549Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06818032"
    },
    {
      "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": "2026-09-03T21:39:45.549Z",
      "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": "NCT00659828",
      "title": "Effects of Leptin Replacement in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity",
        "Metabolic Syndrome",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Recombinant methionyl human leptin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "18 Years",
        "sex": "MALE",
        "summary": "5 Years to 18 Years · Male only"
      },
      "enrollment_count": 1,
      "start_date": "2005-06",
      "completion_date": "2010-04-16",
      "has_results": true,
      "last_update_posted_date": "2020-02-13",
      "last_synced_at": "2026-09-03T21:39:45.549Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00659828"
    },
    {
      "nct_id": "NCT05088460",
      "title": "A Study to Examine the Effects of the Leptin Receptor (LEPR) Agonist Antibody REGN4461 in Adult Patients With Familial Partial Lipodystrophy (FPLD)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Familial Partial Lipodystrophy",
        "Metabolic Abnormalities"
      ],
      "interventions": [
        {
          "name": "REGN4461",
          "type": "DRUG"
        },
        {
          "name": "Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2022-02-28",
      "completion_date": "2024-04-18",
      "has_results": true,
      "last_update_posted_date": "2025-10-16",
      "last_synced_at": "2026-09-03T21:39:45.549Z",
      "location_count": 5,
      "location_summary": "Boca Raton, Florida • Bethesda, Maryland • Ann Arbor, Michigan + 2 more",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05088460"
    }
  ]
}