{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=leptin&page=2",
    "query": {
      "intervention": "leptin",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=leptin&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T01:16:55.757Z",
  "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": "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": "2026-09-27T01:16:55.757Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00596934"
    },
    {
      "nct_id": "NCT01778556",
      "title": "Short-term Effects of Leptin in People With Lipodystrophy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lipodystrophy"
      ],
      "interventions": [
        {
          "name": "Metreleptin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "14 Years to 70 Years"
      },
      "enrollment_count": 25,
      "start_date": "2013-01-26",
      "completion_date": "2018-02-23",
      "has_results": true,
      "last_update_posted_date": "2019-11-13",
      "last_synced_at": "2026-09-27T01:16:55.757Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01778556"
    },
    {
      "nct_id": "NCT01275053",
      "title": "In Vivo Leptin Signaling in Humans After Acute Leptin Administration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lean",
        "Obese",
        "Obese Diabetics"
      ],
      "interventions": [
        {
          "name": "leptin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2002-07",
      "completion_date": "2017-01",
      "has_results": true,
      "last_update_posted_date": "2017-10-17",
      "last_synced_at": "2026-09-27T01:16:55.757Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01275053"
    },
    {
      "nct_id": "NCT00073242",
      "title": "Low-Dose Leptin and the Formerly-Obese",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Leptin",
          "type": "DRUG"
        },
        {
          "name": "Dietary modification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "T3 repletion",
          "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": "19 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "19 Years to 45 Years"
      },
      "enrollment_count": 25,
      "start_date": "2000-07",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-09-27T01:16:55.757Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00073242"
    },
    {
      "nct_id": "NCT02262806",
      "title": "Compassionate Use of Metreleptin in Previously Treated People With Partial Lipodystrophy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes",
        "Lipodystrophy",
        "Hyperlipidemia"
      ],
      "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": "6 Months",
        "maximum_age": "98 Years",
        "sex": "ALL",
        "summary": "6 Months to 98 Years"
      },
      "enrollment_count": 29,
      "start_date": "2014-10-14",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-09-27T01:16:55.757Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02262806"
    },
    {
      "nct_id": "NCT00507078",
      "title": "Biomarkers in Obstructive Sleep Apnea Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Surgical treatment for OSA",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 60,
      "start_date": "2005-06",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2012-05-21",
      "last_synced_at": "2026-09-27T01:16:55.757Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00507078"
    },
    {
      "nct_id": "NCT00710814",
      "title": "Trial of Leptin Administration After Roux-en-Y Gastric Bypass",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Overweight"
      ],
      "interventions": [
        {
          "name": "Leptin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 65 Years · Female only"
      },
      "enrollment_count": 31,
      "start_date": "2008-04",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2015-11-16",
      "last_synced_at": "2026-09-27T01:16:55.757Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00710814"
    },
    {
      "nct_id": "NCT00955903",
      "title": "Calorie Restriction and Changes in Body Composition, Disease, Function, and Quality of Life in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity",
        "Diabetes",
        "Hypertension",
        "Hyperlipidemia"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduced Calorie Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Maintenance Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 167,
      "start_date": "2010-06",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2017-09-05",
      "last_synced_at": "2026-09-27T01:16:55.757Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00955903"
    },
    {
      "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": "2026-09-27T01:16:55.757Z",
      "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"
    },
    {
      "nct_id": "NCT00140244",
      "title": "Randomized, Placebo-Controlled Study of Leptin for the Treatment of HIV Lipodystrophy and Metabolic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HAART-induced Lipodystrophy and Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "r-metHuLeptin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2001-12",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2017-05-11",
      "last_synced_at": "2026-09-27T01:16:55.757Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00140244"
    }
  ]
}