{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=low+protein+diet&page=3",
    "query": {
      "intervention": "low protein diet",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 307,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=low+protein+diet&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=low+protein+diet&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T07:50:01.882Z",
  "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": "NCT03329742",
      "title": "Sipuleucel-T and Low-protein Diet in Patients With Metastatic Castrate-resistant Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer Recurrent"
      ],
      "interventions": [
        {
          "name": "Low protein diet",
          "type": "OTHER"
        },
        {
          "name": "Control protein diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 2,
      "start_date": "2017-12-19",
      "completion_date": "2020-05-05",
      "has_results": false,
      "last_update_posted_date": "2021-03-29",
      "last_synced_at": "2026-10-06T07:50:01.882Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03329742"
    },
    {
      "nct_id": "NCT04691960",
      "title": "A Pilot Study of Ketogenic Diet and Metformin in Glioblastoma: Feasibility and Metabolic Imaging",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma"
      ],
      "interventions": [
        {
          "name": "Ketogenic Diet",
          "type": "OTHER"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2016-08",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-10-06T07:50:01.882Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04691960"
    },
    {
      "nct_id": "NCT01271218",
      "title": "Effects of Glucosamine and Chondroitin Supplementation in Women With Knee Osteoarthritis Participating in an Exercise and Weight Loss Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Diet",
          "type": "OTHER"
        },
        {
          "name": "Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 36,
      "start_date": "2005-11",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2011-01-06",
      "last_synced_at": "2026-10-06T07:50:01.882Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01271218"
    },
    {
      "nct_id": "NCT07086833",
      "title": "The Food Environment, Microbial Cysteine Metabolism, and Cancer Disparities",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Low Cysteine Diet",
          "type": "OTHER"
        },
        {
          "name": "High Cysteine Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2025-08-18",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-06T07:50:01.882Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • West Lafayette, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07086833"
    },
    {
      "nct_id": "NCT04307628",
      "title": "Response of Gut Microbiota and Cardiometabolic Biomarkers to Consumption of Walnuts",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy",
        "Normal Weight",
        "Overweight",
        "Obese"
      ],
      "interventions": [
        {
          "name": "Walnut",
          "type": "OTHER"
        },
        {
          "name": "Nut-Free",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-06-01",
      "completion_date": "2024-11-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-22",
      "last_synced_at": "2026-10-06T07:50:01.882Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04307628"
    },
    {
      "nct_id": "NCT01764711",
      "title": "Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Cosyntropin administration",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 13,
      "start_date": "2013-01",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-10-06T07:50:01.882Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01764711"
    },
    {
      "nct_id": "NCT02728570",
      "title": "Effect of Dietary Flavonoids on Intestinal Microbiota, Intestinal Inflammation and Metabolic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome X",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "High Dietary Flavonoids",
          "type": "OTHER"
        },
        {
          "name": "Low Dietary Flavonoids",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Utah State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2013-11",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2016-04-15",
      "last_synced_at": "2026-10-06T07:50:01.882Z",
      "location_count": 1,
      "location_summary": "Logan, Utah",
      "locations": [
        {
          "city": "Logan",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02728570"
    },
    {
      "nct_id": "NCT00671944",
      "title": "Long-term Nutritional Intervention Study to Determine How Protein Affects Calcium Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Low protein diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 40 Years · Female only"
      },
      "enrollment_count": 11,
      "start_date": "2003-05",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2020-03-31",
      "last_synced_at": "2026-10-06T07:50:01.882Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00671944"
    },
    {
      "nct_id": "NCT01805492",
      "title": "Global Profiling of Gene and Protein Expression Associated With Coronary Heart Disease Reversal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Diseases",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Dr. Dean Ornish Program for Reversing Heart Disease",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Windber Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 422,
      "start_date": "2000-01",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2013-03-06",
      "last_synced_at": "2026-10-06T07:50:01.882Z",
      "location_count": 1,
      "location_summary": "Windber, Pennsylvania",
      "locations": [
        {
          "city": "Windber",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01805492"
    },
    {
      "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": "2026-10-06T07:50:01.882Z",
      "location_count": 1,
      "location_summary": "Fairway, Kansas",
      "locations": [
        {
          "city": "Fairway",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03860792"
    }
  ]
}