{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Low+Calcium+Diet&page=2",
    "query": {
      "intervention": "Low Calcium Diet",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Low+Calcium+Diet&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T14:40:55.105Z",
  "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": "NCT00754390",
      "title": "Effects of Calcium and Phytate on Zinc Absorption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Zinc Absorption"
      ],
      "interventions": [
        {
          "name": "Moderate Calcium, Low phytate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Moderate Calcium, High Phytate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Calcium, Low Phytate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Calcium, High Phytate Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "USDA Grand Forks Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 50 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2005-11",
      "completion_date": "2006-05",
      "has_results": true,
      "last_update_posted_date": "2018-07-02",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 1,
      "location_summary": "Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00754390"
    },
    {
      "nct_id": "NCT05229952",
      "title": "Assessment of Endogenous Oxalate Synthesis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy",
        "Kidney Stone",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Low-oxalate controlled diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Primed, continuous intravenous infusion of 13C2-oxalate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 23,
      "start_date": "2022-02-10",
      "completion_date": "2024-09-09",
      "has_results": true,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05229952"
    },
    {
      "nct_id": "NCT01783704",
      "title": "Improving Community Ambulation After Hip Fracture",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hip Fracture"
      ],
      "interventions": [
        {
          "name": "Nutrition",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "PUSH",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PULSE",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2013-06-10",
      "completion_date": "2017-10-17",
      "has_results": false,
      "last_update_posted_date": "2022-01-27",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 4,
      "location_summary": "Farmington, Connecticut • Baltimore, Maryland • Lebanon, New Hampshire + 1 more",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Glenside",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01783704"
    },
    {
      "nct_id": "NCT05836402",
      "title": "Long COVID-19 Syndrome Lifestyle Intervention Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Long COVID-19 Syndrome"
      ],
      "interventions": [
        {
          "name": "Low carbohydrate diet intervention",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2023-09-14",
      "completion_date": "2025-08-04",
      "has_results": false,
      "last_update_posted_date": "2025-08-07",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05836402"
    },
    {
      "nct_id": "NCT04258332",
      "title": "CARDIA-Salt Sensitivity of Blood Pressure (SSBP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Salt Sensitivity of Blood Pressure",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "High Salt Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low Salt Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 281,
      "start_date": "2021-05-17",
      "completion_date": "2025-05-17",
      "has_results": true,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Chicago, Illinois",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04258332"
    },
    {
      "nct_id": "NCT04437225",
      "title": "Renal Metabolism of Glycolate to Oxalate",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Low oxalate controlled Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Primed, continuous intravenous infusion of 13C2-Glycolate",
          "type": "OTHER"
        },
        {
          "name": "Bolus intravenous infusion of 13C2-Glycolate",
          "type": "OTHER"
        },
        {
          "name": "Oral bolus administration of 13C2-Glycolate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 15,
      "start_date": "2020-03-12",
      "completion_date": "2030-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04437225"
    },
    {
      "nct_id": "NCT01890967",
      "title": "A Study of LY3015014 in Participants With High Cholesterol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypercholesterolemia"
      ],
      "interventions": [
        {
          "name": "LY3015014",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Statin",
          "type": "DRUG"
        },
        {
          "name": "Ezetimibe",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 527,
      "start_date": "2013-06",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2019-09-18",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 15,
      "location_summary": "Encino, California • Lancaster, California • Spring Valley, California + 12 more",
      "locations": [
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Safety Harbor",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01890967"
    },
    {
      "nct_id": "NCT00422630",
      "title": "The Metabolic Effects of Different Weight Loss Diets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome X",
        "Obesity",
        "Insulin Resistance",
        "Hypertension",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "The DASH diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "The low glycemic Index Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduced calorie American Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rockefeller University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 18,
      "start_date": "2007-10",
      "completion_date": "2010-02",
      "has_results": false,
      "last_update_posted_date": "2011-10-13",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00422630"
    },
    {
      "nct_id": "NCT05283850",
      "title": "Surviving PEA in Roanoke (SPEAR) Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Cardiac Arrest",
        "Pulseless Electrical Activity"
      ],
      "interventions": [
        {
          "name": "High Calcium, Low Sodium (HCLS) Crystalloid Therapy",
          "type": "DRUG"
        },
        {
          "name": "High Calcium, High Sodium (HCHS) Crystalloid Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Carol Bernier",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 342,
      "start_date": "2022-02-16",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2022-03-17",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05283850"
    },
    {
      "nct_id": "NCT06735924",
      "title": "Influence of Metabolic Syndrome on Endogenous Oxalate Synthesis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "MASLD",
        "Metabolic Dysfunction-Associated Steatotic Liver Disease"
      ],
      "interventions": [
        {
          "name": "Low-oxalate fixed diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2023-04-26",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-09-26T14:40:55.105Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06735924"
    }
  ]
}