{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Nifedipine&page=2",
    "query": {
      "intervention": "Oral Nifedipine",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Nifedipine&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Nifedipine&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T23:34:38.017Z",
  "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": "NCT01788358",
      "title": "Open-Label Long-Term Safety and Efficacy Study of Fixed Dose Combination of Nifedipine Gastrointestinal Therapeutic System and Candesartan Cilexetil in Subjects With Moderate to Severe Essential Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Nifedipine GITS/Candesartan Cilexetil FDC(BAY98-7106)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 508,
      "start_date": "2013-02-14",
      "completion_date": "2014-05-01",
      "has_results": true,
      "last_update_posted_date": "2017-10-24",
      "last_synced_at": "2026-09-30T23:34:38.017Z",
      "location_count": 39,
      "location_summary": "Foley, Alabama • Carmichael, California • Los Angeles, California + 33 more",
      "locations": [
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01788358"
    },
    {
      "nct_id": "NCT05139238",
      "title": "Postpartum Hypertension Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postpartum Pregnancy-Induced Hypertension",
        "Postpartum Preeclampsia",
        "Pregnancy-Induced Hypertension in Postpartum",
        "Hypertensive Emergency"
      ],
      "interventions": [
        {
          "name": "Labetalol",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia 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": 2,
      "start_date": "2022-07-04",
      "completion_date": "2025-08-21",
      "has_results": true,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-30T23:34:38.017Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05139238"
    },
    {
      "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": "2026-09-30T23:34:38.017Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06915792"
    },
    {
      "nct_id": "NCT00185900",
      "title": "Magnesium Sulfate Versus Nifedipine for the Acute Tocolysis of Preterm Labor: A Prospective, Randomized Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstetric Labor, Premature"
      ],
      "interventions": [
        {
          "name": "Magnesium Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford 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": 192,
      "start_date": "1999-04",
      "completion_date": "2007-07",
      "has_results": true,
      "last_update_posted_date": "2018-11-19",
      "last_synced_at": "2026-09-30T23:34:38.017Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00185900"
    },
    {
      "nct_id": "NCT05049616",
      "title": "Oral Combined Hydrochlorothiazide/Lisinopril Versus Oral Nifedipine for Postpartum Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension in Pregnancy",
        "Postpartum Preeclampsia"
      ],
      "interventions": [
        {
          "name": "ACE Inhibitors and Diuretics",
          "type": "DRUG"
        },
        {
          "name": "NIFEdipine ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "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": 70,
      "start_date": "2021-10-18",
      "completion_date": "2023-09-01",
      "has_results": true,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-09-30T23:34:38.017Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05049616"
    },
    {
      "nct_id": "NCT00811057",
      "title": "Tocolysis for Preterm Labor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preterm Labor"
      ],
      "interventions": [
        {
          "name": "1 Magnesium Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        },
        {
          "name": "Indomethacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Mississippi Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 45 Years · Female only"
      },
      "enrollment_count": 301,
      "start_date": "2004-06",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2013-04-04",
      "last_synced_at": "2026-09-30T23:34:38.017Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00811057"
    },
    {
      "nct_id": "NCT00306462",
      "title": "Trial of Magnesium Sulfate Tocolysis Versus Nifedipine Tocolysis in Women With Preterm Labor",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premature Birth",
        "Premature Labor"
      ],
      "interventions": [
        {
          "name": "Magnesium sulfate",
          "type": "DRUG"
        },
        {
          "name": "Oral Nifedipine or placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 50 Years · Female only"
      },
      "enrollment_count": 33,
      "start_date": "2006-03",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2009-11-09",
      "last_synced_at": "2026-09-30T23:34:38.017Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00306462"
    },
    {
      "nct_id": "NCT03129945",
      "title": "Comparison of Nifedipine Versus Indomethacin for Acute Preterm Labor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstetric Labor, Premature"
      ],
      "interventions": [
        {
          "name": "Nifedipine",
          "type": "DRUG"
        },
        {
          "name": "Indomethacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "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": 36,
      "start_date": "2017-01-17",
      "completion_date": "2019-04-18",
      "has_results": true,
      "last_update_posted_date": "2021-11-05",
      "last_synced_at": "2026-09-30T23:34:38.017Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Orange, California • Sacramento, California + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03129945"
    },
    {
      "nct_id": "NCT02090920",
      "title": "Individualized Dosing of Nifedipine For Tocolysis in Preterm Labor",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preterm Labor"
      ],
      "interventions": [
        {
          "name": "Nifedipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana 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": 20,
      "start_date": "2011-07",
      "completion_date": "2019-04",
      "has_results": false,
      "last_update_posted_date": "2019-06-26",
      "last_synced_at": "2026-09-30T23:34:38.017Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02090920"
    },
    {
      "nct_id": "NCT00486824",
      "title": "Indomethacin Versus Nifedipine for Preterm Labor Tocolysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Obstetric Labor, Premature"
      ],
      "interventions": [
        {
          "name": "Indomethacin",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford 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": 29,
      "start_date": "2007-04",
      "completion_date": "2012-12-08",
      "has_results": true,
      "last_update_posted_date": "2018-10-01",
      "last_synced_at": "2026-09-30T23:34:38.017Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00486824"
    }
  ]
}