{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+protein+diet&page=5",
    "query": {
      "intervention": "High protein diet",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 348,
    "total_pages": 35,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+protein+diet&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+protein+diet&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T11:33:59.868Z",
  "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": "NCT05664789",
      "title": "Targeting the Neurobiology of RRB in Autism Using N-acetylcysteine: Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "N acetyl cysteine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "3 Years to 12 Years"
      },
      "enrollment_count": 144,
      "start_date": "2023-04-26",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05664789"
    },
    {
      "nct_id": "NCT06818032",
      "title": "Avocado and Postprandial Responses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy",
        "Healthy Volunteer",
        "Healthy Volunteers",
        "Healthy Adult",
        "Healthy Male and Female Subjects",
        "Healthy Subjects",
        "Healthy Volunteers Only",
        "Healthy Non-smokers"
      ],
      "interventions": [
        {
          "name": "Negative control",
          "type": "OTHER"
        },
        {
          "name": "Avocado",
          "type": "OTHER"
        },
        {
          "name": "Fat and fiber addition",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Vermont Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-03-24",
      "completion_date": "2026-03-26",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06818032"
    },
    {
      "nct_id": "NCT02661334",
      "title": "Measuring Uniformed Servicemembers' Fitness Scores on Creatine Loading and Exercise",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Fitness"
      ],
      "interventions": [
        {
          "name": "Creatine Monohydrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Rice Flour",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "David Grant U.S. Air Force Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 6,
      "start_date": "2015-08-01",
      "completion_date": "2018-02-13",
      "has_results": false,
      "last_update_posted_date": "2020-04-03",
      "last_synced_at": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Fairfield, California",
      "locations": [
        {
          "city": "Fairfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02661334"
    },
    {
      "nct_id": "NCT02806739",
      "title": "Soy Supplementation and Gestational Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Gestational Diabetes"
      ],
      "interventions": [
        {
          "name": "Soy Group (Soy Protein + Isoflavones)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control Group (Minimize Soy Intake)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Massachusetts, Boston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2013-01",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2016-10-27",
      "last_synced_at": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02806739"
    },
    {
      "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": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03202914"
    },
    {
      "nct_id": "NCT02984540",
      "title": "Effect of a Modified Ketogenic-Mediterranean Diet on Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Low-Carbohydrate Diet",
          "type": "OTHER"
        },
        {
          "name": "Low-Fat Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 25,
      "start_date": "2015-02",
      "completion_date": "2017-04-03",
      "has_results": false,
      "last_update_posted_date": "2025-07-28",
      "last_synced_at": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02984540"
    },
    {
      "nct_id": "NCT03548948",
      "title": "Obesity, Iron Regulation and Colorectal Cancer Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colon Inflammation",
        "Iron Malabsorption",
        "Obesity",
        "Diet Modification"
      ],
      "interventions": [
        {
          "name": "High heme iron diet",
          "type": "OTHER"
        },
        {
          "name": "Low iron diet",
          "type": "OTHER"
        },
        {
          "name": "Plant-based high non-heme iron diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 70 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2015-07-15",
      "completion_date": "2019-06-30",
      "has_results": false,
      "last_update_posted_date": "2019-09-27",
      "last_synced_at": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03548948"
    },
    {
      "nct_id": "NCT01494935",
      "title": "\"Effect of High Fat and High Glycemic Diets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "High Glycemic Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 24,
      "start_date": "2011-04",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-02-05",
      "last_synced_at": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01494935"
    },
    {
      "nct_id": "NCT03386396",
      "title": "Brain Fuel - Morning Nutrition and Cognitive Function",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obese",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "High protein/low carbohydrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High carbohydrate/low protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Arkansas Children's Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "9 Years to 10 Years"
      },
      "enrollment_count": 151,
      "start_date": "2017-11-28",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03386396"
    },
    {
      "nct_id": "NCT01781286",
      "title": "The Beneficial Effects of Healthy Snacks on Appetite Control, Satiety, and Reward-driven Eating Behavior in Young People",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "High Protein",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low Protein",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "13 Years to 19 Years"
      },
      "enrollment_count": 37,
      "start_date": "2013-01",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2018-07-23",
      "last_synced_at": "2026-10-02T11:33:59.868Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01781286"
    }
  ]
}