{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Phosphorus+Diet",
    "query": {
      "intervention": "High Phosphorus Diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Phosphorus+Diet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T16:27:15.710Z",
  "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": "NCT03079869",
      "title": "Transition to Ferric Citrate Among Hemodialysis and Peritoneal Dialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hyperphosphatemia"
      ],
      "interventions": [
        {
          "name": "Ferric Citrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 55,
      "start_date": "2017-05-01",
      "completion_date": "2019-09-14",
      "has_results": true,
      "last_update_posted_date": "2022-01-13",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03079869"
    },
    {
      "nct_id": "NCT00974532",
      "title": "Analysis of Calcium Balance in Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "High calcium diet 2000 mg/day",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low calcium diet, 800 mg/day",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2008-05",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2012-12-05",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00974532"
    },
    {
      "nct_id": "NCT03202914",
      "title": "Metabolomics for Identifying Biomarkers of Dietary Intake and Kidney Disease Progression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Modification",
        "Kidney Diseases, Chronic"
      ],
      "interventions": [
        {
          "name": "Usual protein and phosphorus diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low protein and phosphorus diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Very low protein and phosphorus",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 840,
      "start_date": "1988-10",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2017-06-29",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03202914"
    },
    {
      "nct_id": "NCT03234361",
      "title": "Preventing Hypertension and Sympathetic Overactivation by Targeting Phosphate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "High Phosphate Phase",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low Phosphate Phase",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 94,
      "start_date": "2017-10-16",
      "completion_date": "2022-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03234361"
    },
    {
      "nct_id": "NCT06712719",
      "title": "Effects of Dietary Phosphorus on Phosphorus and Calcium Whole-Body Balance and Kinetics in Moderate CKD",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "CKD"
      ],
      "interventions": [
        {
          "name": "LP then HP",
          "type": "OTHER"
        },
        {
          "name": "HP then LP",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 14,
      "start_date": "2026-10-01",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06712719"
    },
    {
      "nct_id": "NCT01357317",
      "title": "Study Comparing Effects of Lanthanum Carbonate Versus Calcium Acetate Versus Dietary Phosphorus Restriction",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Diet counseling",
          "type": "OTHER"
        },
        {
          "name": "Phosphorus binder",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Salem Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2011-06",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2012-06-12",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 1,
      "location_summary": "Salem, Virginia",
      "locations": [
        {
          "city": "Salem",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01357317"
    },
    {
      "nct_id": "NCT02020785",
      "title": "Study of Dietary Additive Phosphorus on Proteinuria and Fibroblast Growth Factor-23",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Albuminuria"
      ],
      "interventions": [
        {
          "name": "Higher phosphorus period",
          "type": "OTHER"
        },
        {
          "name": "Lower phosphorus period",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2014-01",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2019-06-05",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02020785"
    },
    {
      "nct_id": "NCT04019379",
      "title": "Calcium and Phosphorus Whole-Body Balance and Kinetics in Patients With Moderate Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Phosphorus and Calcium Disorders",
        "Chronic Kidney Disease Mineral and Bone Disorder",
        "Chronic Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "High Phosphorus Diet",
          "type": "OTHER"
        },
        {
          "name": "Low Phosphorus Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 3,
      "start_date": "2020-08-31",
      "completion_date": "2023-01-30",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04019379"
    },
    {
      "nct_id": "NCT03860792",
      "title": "Therapeutic Diets in Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Ketogenic Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Therapeutic Lifestyles Changes Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 84,
      "start_date": "2019-10-15",
      "completion_date": "2025-06-20",
      "has_results": true,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 1,
      "location_summary": "Fairway, Kansas",
      "locations": [
        {
          "city": "Fairway",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03860792"
    },
    {
      "nct_id": "NCT02943746",
      "title": "Targeted Protein Fortification in Extremely Low Birth Weight Preterm Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premature Infants"
      ],
      "interventions": [
        {
          "name": "Standard Protein Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Protein Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Days",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Days and older"
      },
      "enrollment_count": 118,
      "start_date": "2016-11",
      "completion_date": "2021-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-09-09T16:27:15.710Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02943746"
    }
  ]
}