{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+of+Olmesartan",
    "query": {
      "intervention": "Placebo of Olmesartan"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+of+Olmesartan&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T12:21:57.224Z",
  "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": "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": "2026-09-24T12:21:57.224Z",
      "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": "NCT00696436",
      "title": "An Efficacy and Safety Study of Azilsartan Medoxomil Compared to Valsartan and Olmesartan in Participants With Essential Hypertension.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Azilsartan medoxomil",
          "type": "DRUG"
        },
        {
          "name": "Valsartan",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1291,
      "start_date": "2008-04",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2011-04-19",
      "last_synced_at": "2026-09-24T12:21:57.224Z",
      "location_count": 86,
      "location_summary": "Alabaster, Alabama • Ozark, Alabama • Green Valley, Arizona + 83 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Ozark",
          "state": "Alabama"
        },
        {
          "city": "Green Valley",
          "state": "Arizona"
        },
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00696436"
    },
    {
      "nct_id": "NCT01876368",
      "title": "Efficacy and Safety of LCZ696 Compared to Olmesartan in Essential Hypertensive Patients Not Responsive to Olmesartan",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "LCZ696",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo of LCZ696",
          "type": "DRUG"
        },
        {
          "name": "Placebo of Olmesartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 376,
      "start_date": "2013-09",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2015-12-07",
      "last_synced_at": "2026-09-24T12:21:57.224Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Fair Oaks, California • Hawaiian Gardens, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fair Oaks",
          "state": "California"
        },
        {
          "city": "Hawaiian Gardens",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01876368"
    },
    {
      "nct_id": "NCT00185133",
      "title": "Study of Co-administration of Olmesartan Medoxomil Plus Amlodipine in Patients With Mild to Severe Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Olmesartan medoxomil",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine",
          "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": 1900,
      "start_date": "2005-05",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2018-12-24",
      "last_synced_at": "2026-09-24T12:21:57.224Z",
      "location_count": 139,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 136 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Muscle Shoals",
          "state": "Alabama"
        },
        {
          "city": "Tuscumbia",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00185133"
    },
    {
      "nct_id": "NCT05103332",
      "title": "Zilebesiran as Add-on Therapy in Patients With Hypertension Not Adequately Controlled by a Standard of Care Antihypertensive Medication (KARDIA-2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Indapamide",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Zilebesiran",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alnylam Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 663,
      "start_date": "2021-11-05",
      "completion_date": "2024-09-13",
      "has_results": true,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-09-24T12:21:57.224Z",
      "location_count": 74,
      "location_summary": "Mesa, Arizona • Tempe, Arizona • Bell Gardens, California + 62 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Bell Gardens",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05103332"
    },
    {
      "nct_id": "NCT00696241",
      "title": "Efficacy and Safety of Azilsartan Medoxomil in Participants With Essential Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Azilsartan medoxomil and olmesartan",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1275,
      "start_date": "2007-06",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2011-07-29",
      "last_synced_at": "2026-09-24T12:21:57.224Z",
      "location_count": 80,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mesa, Arizona + 77 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00696241"
    },
    {
      "nct_id": "NCT01033071",
      "title": "Efficacy and Safety of Azilsartan Medoxomil and Chlorthalidone Compared to Olmesartan Medoxomil and Hydrochlorothiazide in Participants With Moderate to Severe Hypertension.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Essential Hypertension"
      ],
      "interventions": [
        {
          "name": "Azilsartan medoxomil and chlorthalidone",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan medoxomil and hydrochlorothiazide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1071,
      "start_date": "2010-01",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2012-02-07",
      "last_synced_at": "2026-09-24T12:21:57.224Z",
      "location_count": 84,
      "location_summary": "Gulf Shores, Alabama • Litchfield Park, Arizona • Mesa, Arizona + 81 more",
      "locations": [
        {
          "city": "Gulf Shores",
          "state": "Alabama"
        },
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01033071"
    },
    {
      "nct_id": "NCT00846365",
      "title": "Efficacy and Safety of Azilsartan Medoxomil Plus Chlorthalidone in Participants With Moderate to Severe Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Essential Hypertension"
      ],
      "interventions": [
        {
          "name": "Azilsartan medoxomil and chlorthalidone",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan medoxomil-hydrochlorothiazide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1085,
      "start_date": "2009-03",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2012-03-13",
      "last_synced_at": "2026-09-24T12:21:57.224Z",
      "location_count": 70,
      "location_summary": "Birmingham, Alabama • Haleyville, Alabama • Hueytown, Alabama + 67 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Haleyville",
          "state": "Alabama"
        },
        {
          "city": "Hueytown",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Tallassee",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00846365"
    },
    {
      "nct_id": "NCT00949884",
      "title": "Olmesartan Comparison to Losartan in Hypertensive Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "olmesartan medoxomil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "losartan potassium",
          "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": 941,
      "start_date": "2009-08",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2011-03-09",
      "last_synced_at": "2026-09-24T12:21:57.224Z",
      "location_count": 20,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Harbor City, California + 17 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Harbor City",
          "state": "California"
        },
        {
          "city": "Tustin",
          "state": "California"
        },
        {
          "city": "Westlake Village",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00949884"
    },
    {
      "nct_id": "NCT00362115",
      "title": "Safety and Efficacy of Azilsartan Medoxomil in Participants With Mild to Moderate Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Azilsartan Medoxomil",
          "type": "DRUG"
        },
        {
          "name": "Olmesartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 449,
      "start_date": "2006-05",
      "completion_date": "2006-12",
      "has_results": true,
      "last_update_posted_date": "2011-04-19",
      "last_synced_at": "2026-09-24T12:21:57.224Z",
      "location_count": 46,
      "location_summary": "Huntsville, Alabama • Ozark, Alabama • Mesa, Arizona + 43 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Ozark",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Carmichael",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00362115"
    }
  ]
}