{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dihydropyridine+calcium+channel+blocker&page=2",
    "query": {
      "intervention": "Dihydropyridine calcium channel blocker",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dihydropyridine+calcium+channel+blocker&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dihydropyridine+calcium+channel+blocker&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T19:14:32.332Z",
  "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": "NCT05489705",
      "title": "A Prospective Registry Study to Assess Real-world Patient Characteristics, Treatment Patterns, and Longitudinal Outcomes in Patients Receiving Mavacamten and Other Treatments for Symptomatic Obstructive Hypertrophic Cardiomyopathy (Obstructive-HCM)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Mavacamten",
          "type": "DRUG"
        },
        {
          "name": "Non-mavacamten symptomatic oHCM therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1700,
      "start_date": "2022-08-16",
      "completion_date": "2029-08-17",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-10T19:14:32.332Z",
      "location_count": 60,
      "location_summary": "Anchorage, Alaska • Tucson, Arizona • Little Rock, Arkansas + 48 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05489705"
    },
    {
      "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": "2026-10-10T19:14:32.332Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01672801"
    },
    {
      "nct_id": "NCT02744456",
      "title": "N-of-1 Trials for Blood Pressure Medications in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Hypertension",
        "High Blood Pressure"
      ],
      "interventions": [
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine",
          "type": "DRUG"
        },
        {
          "name": "Hydrochlorothiazide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "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": "2014-08-01",
      "completion_date": "2017-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-03-26",
      "last_synced_at": "2026-10-10T19:14:32.332Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02744456"
    },
    {
      "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": "2026-10-10T19:14:32.332Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06915792"
    },
    {
      "nct_id": "NCT01007994",
      "title": "Reduction of Night-time Blood Pressure in Pediatric Renal Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Hypertension Secondary to Kidney Transplant"
      ],
      "interventions": [
        {
          "name": "New Medication: Enalapril, Isradipine, Propranolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "5 Years to 21 Years"
      },
      "enrollment_count": 33,
      "start_date": "2009-11",
      "completion_date": "2020-08",
      "has_results": true,
      "last_update_posted_date": "2021-04-13",
      "last_synced_at": "2026-10-10T19:14:32.332Z",
      "location_count": 2,
      "location_summary": "New Hyde Park, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01007994"
    },
    {
      "nct_id": "NCT02913664",
      "title": "Risk Reduction for Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Cognitively Normal Older Adults",
        "Hypertension",
        "Subjective Cognitive Decline",
        "Family History of Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Angiotensin II receptor blocker (ARB, losartan) and calcium channel blocker (CCB, amlodipine)",
          "type": "DRUG"
        },
        {
          "name": "Aerobic Exercise Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        },
        {
          "name": "Stretching Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 513,
      "start_date": "2017-02-02",
      "completion_date": "2022-01-31",
      "has_results": false,
      "last_update_posted_date": "2022-02-15",
      "last_synced_at": "2026-10-10T19:14:32.332Z",
      "location_count": 4,
      "location_summary": "Kansas City, Kansas • Baton Rouge, Louisiana • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02913664"
    },
    {
      "nct_id": "NCT00156403",
      "title": "A Pilot Study of Use of Calcium Channel Blocker to Decrease Inflammation and Pain in Hereditary Pancreatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pancreatitis"
      ],
      "interventions": [
        {
          "name": "amlodipine (drug)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2005-08",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2007-12-17",
      "last_synced_at": "2026-10-10T19:14:32.332Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00156403"
    },
    {
      "nct_id": "NCT03461003",
      "title": "N-of-1 Trials In Children With Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pediatric Hypertension"
      ],
      "interventions": [
        {
          "name": "NICHE method",
          "type": "OTHER"
        },
        {
          "name": "Usual care",
          "type": "OTHER"
        },
        {
          "name": "Amlodipine",
          "type": "DRUG"
        },
        {
          "name": "Lisinopril",
          "type": "DRUG"
        },
        {
          "name": "Hydrochlorothiazide",
          "type": "DRUG"
        },
        {
          "name": "Losartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "10 Years to 22 Years"
      },
      "enrollment_count": 49,
      "start_date": "2018-04-02",
      "completion_date": "2021-05-02",
      "has_results": true,
      "last_update_posted_date": "2022-09-09",
      "last_synced_at": "2026-10-10T19:14:32.332Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03461003"
    },
    {
      "nct_id": "NCT02834403",
      "title": "L-NMMA Plus Taxane Chemotherapy in Refractory Locally Advanced or Metastatic Triple Negative Breast Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Triple Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "L-NMMA",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine",
          "type": "DRUG"
        },
        {
          "name": "Pegfilgrastim",
          "type": "DRUG"
        },
        {
          "name": "Enteric-coated aspirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "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": 37,
      "start_date": "2016-11",
      "completion_date": "2021-01",
      "has_results": true,
      "last_update_posted_date": "2023-12-15",
      "last_synced_at": "2026-10-10T19:14:32.332Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02834403"
    },
    {
      "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": "2026-10-10T19:14:32.332Z",
      "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"
    }
  ]
}