{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nifedipine+XL",
    "query": {
      "intervention": "Nifedipine XL"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nifedipine+XL&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T04:59:23.453Z",
  "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": "NCT07023003",
      "title": "Postpartum Evaluation of Nifedipine and Enalapril for Hypertension",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension in Pregnancy"
      ],
      "interventions": [
        {
          "name": "Enalapril 10mg QD",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine 30mg XL BID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nebraska Methodist Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "19 Years and older · Female only"
      },
      "enrollment_count": 850,
      "start_date": "2025-07-11",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-22",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07023003"
    },
    {
      "nct_id": "NCT00661895",
      "title": "Black Education and Treatment of Hypertension (BEAT HTN)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Hydrochlorothiazide",
          "type": "DRUG"
        },
        {
          "name": "Lisinopril",
          "type": "DRUG"
        },
        {
          "name": "Lisinopril and Hydrochlorothiazide",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine XL",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol tartrate",
          "type": "DRUG"
        },
        {
          "name": "Atenolol",
          "type": "DRUG"
        },
        {
          "name": "Valsartan",
          "type": "DRUG"
        },
        {
          "name": "Doxazosin",
          "type": "DRUG"
        },
        {
          "name": "Clonidine",
          "type": "DRUG"
        },
        {
          "name": "Hydralazine",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol succinate",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Creighton University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "25 Years to 80 Years"
      },
      "enrollment_count": 99,
      "start_date": "2005-08",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2012-12-04",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00661895"
    },
    {
      "nct_id": "NCT05551104",
      "title": "Safest Choice of Antihypertensive Regimen for Postpartum Hypertension",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postpartum Complication",
        "Maternal Hypertension",
        "High Blood Pressure"
      ],
      "interventions": [
        {
          "name": "Oral Nifedipine",
          "type": "DRUG"
        },
        {
          "name": "Oral Labetalol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Loma Linda University",
      "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": 500,
      "start_date": "2023-05-08",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05551104"
    },
    {
      "nct_id": "NCT03595982",
      "title": "Is Procardia XL 60 mg Q Daily Equivalent to 30 mg XL Given Twice Daily?",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension in Pregnancy",
        "Hypertension in Postpartum"
      ],
      "interventions": [
        {
          "name": "Procardia XL 30Mg",
          "type": "DRUG"
        },
        {
          "name": "Procardia XL 60Mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 5,
      "start_date": "2018-09-15",
      "completion_date": "2020-02-20",
      "has_results": true,
      "last_update_posted_date": "2022-06-30",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03595982"
    },
    {
      "nct_id": "NCT05989581",
      "title": "Chronic Hypertension and Pregnancy 2 (CHAP2) Pilot Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypertension in Pregnancy"
      ],
      "interventions": [
        {
          "name": "Labetalol or Nifedipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 89 Years · Female only"
      },
      "enrollment_count": 74,
      "start_date": "2024-04-24",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05989581"
    },
    {
      "nct_id": "NCT03100838",
      "title": "Drug Interaction With Proton Pump Inhibitors for Nifedipine ER Tablets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Nifedipine 60 MG Extended Release Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "omeprazole/sodium bicarbonate",
          "type": "DRUG"
        },
        {
          "name": "SmartPill (TM)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Food and Drug Administration (FDA)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 64,
      "start_date": "2017-03-20",
      "completion_date": "2018-04-06",
      "has_results": true,
      "last_update_posted_date": "2019-08-16",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03100838"
    },
    {
      "nct_id": "NCT06220721",
      "title": "Reducing the Risk of Chronic Hypertension and Improving Vascular Function Following Preeclampsia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension, Pregnancy-Induced"
      ],
      "interventions": [
        {
          "name": "Nifedipine ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "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": 618,
      "start_date": "2024-10-23",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06220721"
    },
    {
      "nct_id": "NCT02168309",
      "title": "Oral Nifedipine Versus Oral Labetalol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Severe Postpartum Hypertension"
      ],
      "interventions": [
        {
          "name": "Labetalol",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2014-06",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2017-12-13",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02168309"
    },
    {
      "nct_id": "NCT04755764",
      "title": "Effect of Labetalol, Atenolol, and Nifedipine on Maternal Hemodynamics Measured by ICG in Early Pregnancy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Systolic Hypertension",
        "Pregnancy Related",
        "Diastolic Hypertension",
        "Cardiac Output, Low",
        "Cardiac Output, High"
      ],
      "interventions": [
        {
          "name": "Labetalol",
          "type": "DRUG"
        },
        {
          "name": "Atenolol",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Marshall University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2021-03-03",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 1,
      "location_summary": "Huntington, West Virginia",
      "locations": [
        {
          "city": "Huntington",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04755764"
    },
    {
      "nct_id": "NCT05096728",
      "title": "Nifedipine Dosing Daily vs Twice a Day for Pre-eclampsia With Severe Features (NOPPI)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preeclampsia With Severe Features"
      ],
      "interventions": [
        {
          "name": "Nifedipine XL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 56,
      "start_date": "2021-12-01",
      "completion_date": "2023-12-15",
      "has_results": false,
      "last_update_posted_date": "2023-12-22",
      "last_synced_at": "2026-09-25T04:59:23.453Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05096728"
    }
  ]
}