{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=calcium&page=5",
    "query": {
      "intervention": "calcium",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 2103,
    "total_pages": 211,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=calcium&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=calcium&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T16:15:22.994Z",
  "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": "NCT03440996",
      "title": "Comparison of Three Toothpastes for the Prevention and Reduction of White Spot Lesions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "White Spot Lesion",
        "Orthodontic Treatment",
        "Decalcification; Teeth"
      ],
      "interventions": [
        {
          "name": "Clinpro™ 5000",
          "type": "OTHER"
        },
        {
          "name": "Clinpro™ Tooth Crème",
          "type": "OTHER"
        },
        {
          "name": "MI-Paste Plus",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "12 Years to 60 Years"
      },
      "enrollment_count": 90,
      "start_date": "2011-01-14",
      "completion_date": "2011-12-30",
      "has_results": false,
      "last_update_posted_date": "2018-02-22",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03440996"
    },
    {
      "nct_id": "NCT04434664",
      "title": "BLOCKade of Calcium Channels and Beta Adrenergic Receptors for the Treatment of Hypertension in HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Amlodipine Besylate",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol Succinate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-12-01",
      "completion_date": "2024-12-20",
      "has_results": true,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04434664"
    },
    {
      "nct_id": "NCT01740648",
      "title": "Trametinib, Fluorouracil, and Radiation Therapy Before Surgery in Treating Patients With Stage II-III Rectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Rectal Cancer",
        "Stage IIA Rectal Cancer",
        "Stage IIB Rectal Cancer",
        "Stage IIC Rectal Cancer",
        "Stage IIIA Rectal Cancer",
        "Stage IIIB Rectal Cancer",
        "Stage IIIC Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "trametinib",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2012-11-26",
      "completion_date": "2021-09-29",
      "has_results": false,
      "last_update_posted_date": "2023-09-18",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 4,
      "location_summary": "St Louis, Missouri • Buffalo, New York • Columbus, Ohio + 1 more",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01740648"
    },
    {
      "nct_id": "NCT04182997",
      "title": "Subjective Intraoperative Use of Epidural Steroid Administration Following Discectomy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lumbar Disc Herniation"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "saline 0.9%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "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": "2019-11-21",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04182997"
    },
    {
      "nct_id": "NCT04210115",
      "title": "Study of Pembrolizumab (MK-3475) Versus Placebo in Participants With Esophageal Carcinoma Who Are Receiving Chemotherapy and Radiation Therapy (MK-3475-975/KEYNOTE-975)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Esophageal Squamous Cell Carcinoma (ESCC)",
        "Gastroesophageal Junction Carcinoma (GEJC)",
        "Esophageal Adenocarcinoma (EAC)"
      ],
      "interventions": [
        {
          "name": "pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "5-FU",
          "type": "DRUG"
        },
        {
          "name": "radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "leucovorin",
          "type": "DRUG"
        },
        {
          "name": "levoleucovorin",
          "type": "DRUG"
        },
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 703,
      "start_date": "2020-02-28",
      "completion_date": "2026-06-23",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 19,
      "location_summary": "Long Beach, California • Columbus, Georgia • Westwood, Kansas + 16 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Columbus",
          "state": "Georgia"
        },
        {
          "city": "Westwood",
          "state": "Kansas"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04210115"
    },
    {
      "nct_id": "NCT01531582",
      "title": "Minocycline in the Treatment of Angelman Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Angelman Syndrome"
      ],
      "interventions": [
        {
          "name": "minocycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "4 Years to 12 Years"
      },
      "enrollment_count": 25,
      "start_date": "2012-04",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01531582"
    },
    {
      "nct_id": "NCT04863742",
      "title": "Evaluation Of Vision Recovery And Comfort Index In Patients With Borderline/Mild Dry Eyes Undergoing FLACS With Premium IOL",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Dry Eye Syndromes"
      ],
      "interventions": [
        {
          "name": "Dextenza 0.4Mg Ophthalmic Insert",
          "type": "DRUG"
        },
        {
          "name": "Prednisolone Acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sight Medical Doctors PLLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2021-04-26",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2021-04-28",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 1,
      "location_summary": "Brentwood, New York",
      "locations": [
        {
          "city": "Brentwood",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04863742"
    },
    {
      "nct_id": "NCT01266850",
      "title": "Safety and Immunogenicity of Sequential Rotavirus Vaccine Schedules",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rotavirus Infection"
      ],
      "interventions": [
        {
          "name": "Rotarix®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RotaTeq®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "14 Weeks",
        "sex": "ALL",
        "summary": "6 Weeks to 14 Weeks"
      },
      "enrollment_count": 1384,
      "start_date": "2011-03",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2014-10-28",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 13,
      "location_summary": "Oakland, California • Atlanta, Georgia • Iowa City, Iowa + 8 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01266850"
    },
    {
      "nct_id": "NCT02181218",
      "title": "Phase I Study of Romidepsin, Gemcitabine, Oxaliplatin, and Dexamethasone in Patients With Relapsed/Refractory Aggressive Lymphomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lymphoma, T-Cell, Cutaneous",
        "Lymphoma, T-Cell, Peripheral",
        "Hodgkin Disease",
        "Lymphoma, Large B-Cell, Diffuse"
      ],
      "interventions": [
        {
          "name": "Romidepsin",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Pegfilgrastim",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2015-02-04",
      "completion_date": "2020-06-26",
      "has_results": false,
      "last_update_posted_date": "2020-11-17",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • St Louis, Missouri",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02181218"
    },
    {
      "nct_id": "NCT04964544",
      "title": "Technology-Assisted Cholesterol Trial in Consumers (TACTiC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "High Cholesterol"
      ],
      "interventions": [
        {
          "name": "5 mg rosuvastatin calcium with a Web App (combination product)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "20 Years to 75 Years"
      },
      "enrollment_count": 1196,
      "start_date": "2021-07-08",
      "completion_date": "2023-03-01",
      "has_results": true,
      "last_update_posted_date": "2024-10-30",
      "last_synced_at": "2026-10-26T16:15:22.994Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04964544"
    }
  ]
}