{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hydrochlorothiazide+25+mg&page=3",
    "query": {
      "intervention": "Hydrochlorothiazide 25 mg",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 82,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hydrochlorothiazide+25+mg&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hydrochlorothiazide+25+mg&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T23:04:46.555Z",
  "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": "NCT00459056",
      "title": "The Vascular Effects of Carvedilol Controlled Release (CR) in Abdominally Obese Hypertensive Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Abdominal Obesity",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Carvedilol CR + Lisinopril",
          "type": "DRUG"
        },
        {
          "name": "Lisinopril + HCTZ",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Paul Heart Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2007-04",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2013-12-06",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00459056"
    },
    {
      "nct_id": "NCT01804777",
      "title": "Epithelial Sodium Channel (ENaC) as a Novel Mechanism for Hypertension and Volume Expansion in Type 2 Diabetes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Proteinuria",
        "Hypertension",
        "Type II Diabetes"
      ],
      "interventions": [
        {
          "name": "Amiloride",
          "type": "DRUG"
        },
        {
          "name": "HCTZ",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "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": 9,
      "start_date": "2013-03",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2018-05-11",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01804777"
    },
    {
      "nct_id": "NCT00403481",
      "title": "An Examination of the Blood Pressure Lowering Ability and Safety of Olmesartan Medoxomil in Patients With Type II Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "olmesartan medoxomil",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan medoxomil plus Hydrochlorothiazide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daiichi Sankyo",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 192,
      "start_date": "2006-11",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2016-11-03",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Mesa, Arizona • Searcy, Arkansas + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Searcy",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00403481"
    },
    {
      "nct_id": "NCT00787605",
      "title": "Aliskiren HCTZ Compared to Amlodipine in Patients With Stage 2 Systolic Hypertension and Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension",
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Amlodipine",
          "type": "DRUG"
        },
        {
          "name": "Hydrochlorothiazide (HCTZ)",
          "type": "DRUG"
        },
        {
          "name": "Aliskiren",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 860,
      "start_date": "2008-11",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2016-10-27",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00787605"
    },
    {
      "nct_id": "NCT00865124",
      "title": "Role of Mineralocorticoid Receptor in Diabetic Cardiovascular Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus",
        "Vascular Disease"
      ],
      "interventions": [
        {
          "name": "Spironolactone",
          "type": "DRUG"
        },
        {
          "name": "Hydrochlorothiazide + potassium",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 69,
      "start_date": "2008-09",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00865124"
    },
    {
      "nct_id": "NCT00705575",
      "title": "Efficacy and Safety of the Combination Aliskiren (300 mg) and Hydrochlorothiazide (25mg) to Aliskiren (300mg) Monotherapy in Patients With Staged II Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Aliskiren/hydrochlorothiazide (HCTZ) (300/25 mg)",
          "type": "DRUG"
        },
        {
          "name": "Aliskiren (300 mg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 688,
      "start_date": "2008-06",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2011-05-30",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00705575"
    },
    {
      "nct_id": "NCT00778674",
      "title": "Bioequivalence Study of Benazepril HCl / Hydrochlorothiazide 20 mg/ 25 mg Tablets Under Fed Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Benazepril HCl/ Hydrochlorothiazide 20 mg/ 25 mg Tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ranbaxy Laboratories Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2004-10",
      "completion_date": "2004-12",
      "has_results": false,
      "last_update_posted_date": "2008-10-23",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00778674"
    },
    {
      "nct_id": "NCT03115853",
      "title": "The Effects of Renin Inhibition on Fibrinolytic Balance and Endothelial Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "High Blood Pressure"
      ],
      "interventions": [
        {
          "name": "Aliskiren 150 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "HCTZ",
          "type": "DRUG"
        },
        {
          "name": "Aliskiren 300 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 31,
      "start_date": "2009-06",
      "completion_date": "2012-01",
      "has_results": true,
      "last_update_posted_date": "2017-08-25",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03115853"
    },
    {
      "nct_id": "NCT01692301",
      "title": "Study of the Safety and Efficacy of LCZ696 on Arterial Stiffness in Elderly Patients With Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "LCZ696",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan",
          "type": "DRUG"
        },
        {
          "name": "LCZ696 matching placebo",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan matching placebo",
          "type": "DRUG"
        },
        {
          "name": "amlodipine",
          "type": "DRUG"
        },
        {
          "name": "hydrochlorothiazide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 454,
      "start_date": "2012-12",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2016-05-04",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 11,
      "location_summary": "Clearwater, Florida • Chicago, Illinois • Baltimore, Maryland + 8 more",
      "locations": [
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Belzoni",
          "state": "Mississippi"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01692301"
    },
    {
      "nct_id": "NCT00797316",
      "title": "Aliskiren Plus HCTZ Compared to Aliskiren in Metabolic Syndrome Patients With Stage 2 Systolic Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Aliskiren",
          "type": "DRUG"
        },
        {
          "name": "Hydrochlorothiazide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 532,
      "start_date": "2008-11",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2011-03-11",
      "last_synced_at": "2026-10-03T23:04:46.555Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00797316"
    }
  ]
}