{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Aldosterone+Antagonist",
    "query": {
      "intervention": "Aldosterone Antagonist"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 27,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Aldosterone+Antagonist&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T04:42:41.227Z",
  "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": "NCT02620384",
      "title": "Metolazone As Early Add On Therapy For Acute Decompensated Heart Failure (MELT-HF)--A Single Center Pilot Study.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Decompensated Heart Failure"
      ],
      "interventions": [
        {
          "name": "Experimental: Placebo",
          "type": "DRUG"
        },
        {
          "name": "Experimental: Metolazone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aultman Health Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 147,
      "start_date": "2015-10-01",
      "completion_date": "2017-12-29",
      "has_results": true,
      "last_update_posted_date": "2019-02-15",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 1,
      "location_summary": "Canton, Ohio",
      "locations": [
        {
          "city": "Canton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02620384"
    },
    {
      "nct_id": "NCT04901975",
      "title": "Fibrosis and the Fontan",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Single-ventricle"
      ],
      "interventions": [
        {
          "name": "Spironolactone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "1 Year to 6 Years"
      },
      "enrollment_count": 98,
      "start_date": "2021-02-11",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04901975"
    },
    {
      "nct_id": "NCT02519283",
      "title": "Get With the Guidelines in ED Patients With Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "GUIDED-HF",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 529,
      "start_date": "2015-10",
      "completion_date": "2020-02",
      "has_results": false,
      "last_update_posted_date": "2020-04-22",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 15,
      "location_summary": "Atlanta, Georgia • Indianapolis, Indiana • Iowa City, Iowa + 11 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02519283"
    },
    {
      "nct_id": "NCT01275352",
      "title": "CLCNKA (Ka Renal Chloride Channel[ClC-Ka]) Polymorphism Effects on Hypertrophy Regression",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Eplerenone",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2011-12",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-06-03",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 2,
      "location_summary": "St Louis, Missouri • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01275352"
    },
    {
      "nct_id": "NCT02823626",
      "title": "High-dose Aldosterone Antagonist for Acute Decompensated Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Decompensated Heart Failure"
      ],
      "interventions": [
        {
          "name": "Spironolactone and patiromer",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2016-09",
      "completion_date": "2018-04",
      "has_results": false,
      "last_update_posted_date": "2019-05-03",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02823626"
    },
    {
      "nct_id": "NCT03929718",
      "title": "Efficacy of Aldosterone Antagonist Therapy for Prevention of New Atrial Fibrillation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "AFib"
      ],
      "interventions": [
        {
          "name": "Spironolactone",
          "type": "DRUG"
        },
        {
          "name": "No Spironolactone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Piedmont Healthcare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2019-04-24",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03929718"
    },
    {
      "nct_id": "NCT06023576",
      "title": "A Study of Blood Pressure Control During Cancer Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Cardiotoxicity"
      ],
      "interventions": [
        {
          "name": "antihypertensive medications",
          "type": "OTHER"
        },
        {
          "name": "Blood pressure measurement",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Symptom-limited cardiopulmonary exercise test",
          "type": "OTHER"
        },
        {
          "name": "Quality of Life Measures",
          "type": "OTHER"
        },
        {
          "name": "Biomarkers",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 130,
      "start_date": "2023-08-18",
      "completion_date": "2029-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06023576"
    },
    {
      "nct_id": "NCT02167464",
      "title": "Controlling Blood Pressure in Treatment Resistant Hypertension: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Renin treatment-guided Therapeutics",
          "type": "DRUG"
        },
        {
          "name": "Referral Hypertension specialist",
          "type": "OTHER"
        },
        {
          "name": "Aldosterone Antagonist",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "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": 70,
      "start_date": "2011-06",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2018-07-23",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 8,
      "location_summary": "Anderson, South Carolina • Beaufort, South Carolina • Florence, South Carolina + 4 more",
      "locations": [
        {
          "city": "Anderson",
          "state": "South Carolina"
        },
        {
          "city": "Beaufort",
          "state": "South Carolina"
        },
        {
          "city": "Florence",
          "state": "South Carolina"
        },
        {
          "city": "Holly Hill",
          "state": "South Carolina"
        },
        {
          "city": "Prosperity",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02167464"
    },
    {
      "nct_id": "NCT02230891",
      "title": "Biomarker Guided Therapies in Stage A/B Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension",
        "Diabetes",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Carvedilol",
          "type": "DRUG"
        },
        {
          "name": "Spironolactone",
          "type": "DRUG"
        },
        {
          "name": "Usual care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 58,
      "start_date": "2014-10-01",
      "completion_date": "2020-12-15",
      "has_results": true,
      "last_update_posted_date": "2022-10-21",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02230891"
    },
    {
      "nct_id": "NCT02354352",
      "title": "Therapeutic Potential for Aldosterone Inhibition in Duchenne Muscular Dystrophy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Duchenne Muscular Dystrophy"
      ],
      "interventions": [
        {
          "name": "Eplerenone",
          "type": "DRUG"
        },
        {
          "name": "Spironolactone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "7 Years and older · Male only"
      },
      "enrollment_count": 52,
      "start_date": "2015-03-20",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2019-10-07",
      "last_synced_at": "2026-09-12T04:42:41.227Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Aurora, Colorado • Kansas City, Kansas + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02354352"
    }
  ]
}