{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Calcium+channel+blocker",
    "query": {
      "intervention": "Calcium channel blocker"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 83,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Calcium+channel+blocker&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T00:11:22.552Z",
  "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": "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": "2026-09-13T00:11:22.552Z",
      "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": "NCT07246629",
      "title": "Lumbar Drain With Intrathecal Nicardipine in Aneurysmal Subarachnoid Hemorrhage",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Subarachnoid Hemorrhage"
      ],
      "interventions": [
        {
          "name": "Normal Saline",
          "type": "DRUG"
        },
        {
          "name": "Nicardipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 214,
      "start_date": "2026-09",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-09-13T00:11:22.552Z",
      "location_count": 1,
      "location_summary": "Park Ridge, Illinois",
      "locations": [
        {
          "city": "Park Ridge",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07246629"
    },
    {
      "nct_id": "NCT06915792",
      "title": "PEACE Trial: Postpartum Evaluation of Antihypertensive Cessation and Efficacy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postpartum Hypertension (PPHT)"
      ],
      "interventions": [
        {
          "name": "Labetalol",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 110,
      "start_date": "2025-06-01",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-13T00:11:22.552Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06915792"
    },
    {
      "nct_id": "NCT01679132",
      "title": "BAROSTIM NEO Hypertension Pivotal Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Uncontrolled Hypertension"
      ],
      "interventions": [
        {
          "name": "BAROSTIM NEO System and Medical Management",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CVRx, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2013-04-12",
      "completion_date": "2025-07-23",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-09-13T00:11:22.552Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Washington D.C., District of Columbia + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01679132"
    },
    {
      "nct_id": "NCT01421771",
      "title": "Blood Pressure in Dialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Renal Failure Chronic Requiring Hemodialysis",
        "Blood Pressure",
        "Dialysis"
      ],
      "interventions": [
        {
          "name": "Antihypertensive Agents",
          "type": "DRUG"
        },
        {
          "name": "Dry weight Challenge",
          "type": "OTHER"
        },
        {
          "name": "Extend dialysis treatment time and re-challenge estimated dry weight",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2011-10",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2023-11-30",
      "last_synced_at": "2026-09-13T00:11:22.552Z",
      "location_count": 21,
      "location_summary": "Boston, Massachusetts • Concord, Massachusetts • Jamaica Plain, Massachusetts + 9 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Concord",
          "state": "Massachusetts"
        },
        {
          "city": "Jamaica Plain",
          "state": "Massachusetts"
        },
        {
          "city": "Somerville",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01421771"
    },
    {
      "nct_id": "NCT01672801",
      "title": "Nimodipine to Prevent LH Surge During Ovulation Induction: Blinded Placebo-controlled RCT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unexplained Infertility",
        "Polycystic Ovarian Syndrome",
        "Anovulatory"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Nimodipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston IVF",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 40 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2012-09",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2020-08-11",
      "last_synced_at": "2026-09-13T00:11:22.552Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01672801"
    },
    {
      "nct_id": "NCT05106036",
      "title": "Preventing Cognitive Decline by Reducing BP Target Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Decline",
        "Blood Pressure",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Clinical Support Decision Tool",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2022-07-11",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-09-13T00:11:22.552Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05106036"
    },
    {
      "nct_id": "NCT01994408",
      "title": "Default BP Medication Intensification",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "default intensification",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 3,
      "start_date": "2013-11",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-01",
      "last_synced_at": "2026-09-13T00:11:22.552Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01994408"
    },
    {
      "nct_id": "NCT05159999",
      "title": "The Home Blood Pressure (BP) Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "End Stage Renal Disease on Dialysis"
      ],
      "interventions": [
        {
          "name": "Dry weight target adjustment",
          "type": "OTHER"
        },
        {
          "name": "Anti-hypertensive medications",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2022-02-02",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-09-13T00:11:22.552Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Seattle, Washington",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05159999"
    },
    {
      "nct_id": "NCT03635996",
      "title": "Safety Study of Intranasal Etripamil for the Termination of Spontaneous Episodes of Paroxysmal Supraventricular Tachycardia (PSVT). NODE-302",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Paroxysmal Supraventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "Etripamil NS 70 mg",
          "type": "DRUG"
        },
        {
          "name": "Aptar Pharma Nasal Spray Bidose System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Milestone Pharmaceuticals Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 169,
      "start_date": "2018-12-10",
      "completion_date": "2020-11-13",
      "has_results": true,
      "last_update_posted_date": "2024-11-05",
      "last_synced_at": "2026-09-13T00:11:22.552Z",
      "location_count": 22,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Alamitos, California + 18 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Alamitos",
          "state": "California"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03635996"
    }
  ]
}