{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diet+-+higher+protein&page=2",
    "query": {
      "intervention": "Diet - higher protein",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 348,
    "total_pages": 35,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diet+-+higher+protein&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diet+-+higher+protein&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T12:50:31.827Z",
  "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": "NCT05766774",
      "title": "FEED-Cystic Fibrosis (FEED-CF)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis",
        "Cystic Fibrosis-related Diabetes"
      ],
      "interventions": [
        {
          "name": "Low-added sugar, high-fat diet",
          "type": "OTHER"
        },
        {
          "name": "High-added sugar, high-fat CF diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2023-06-28",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-04T12:50:31.827Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05766774"
    },
    {
      "nct_id": "NCT06494449",
      "title": "Effect of Acute Intake of Meals Containing Higher vs. Lower Energy From Protein on DIT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy",
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Higher protein",
          "type": "OTHER"
        },
        {
          "name": "Lower protein",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Midwest Center for Metabolic and Cardiovascular Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 36,
      "start_date": "2024-08-08",
      "completion_date": "2024-11-27",
      "has_results": false,
      "last_update_posted_date": "2025-04-06",
      "last_synced_at": "2026-10-04T12:50:31.827Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06494449"
    },
    {
      "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": "2026-10-04T12:50:31.827Z",
      "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": "NCT02216500",
      "title": "Ketogenic Therapy Effects on Electrical and Metabolic Abnormalities in Epilepsy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Seizures"
      ],
      "interventions": [
        {
          "name": "Ketogenic Therapy",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "Up to 50 Years"
      },
      "enrollment_count": 400,
      "start_date": "2006-09",
      "completion_date": "2031-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-10-04T12:50:31.827Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02216500"
    },
    {
      "nct_id": "NCT02938065",
      "title": "Gastric Emptying Ultrasound Research Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastric Emptying"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "2% milk",
          "type": "OTHER"
        },
        {
          "name": "apple juice",
          "type": "OTHER"
        },
        {
          "name": "ensure clear",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "8 Years to 14 Years"
      },
      "enrollment_count": 48,
      "start_date": "2016-06",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2017-08-23",
      "last_synced_at": "2026-10-04T12:50:31.827Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02938065"
    },
    {
      "nct_id": "NCT07819565",
      "title": "Effects of Pork Protein on Recovery Following Simulated Fireground Activity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Recovery",
        "Physical Performance Parameters",
        "Muscle Damage",
        "Cognition",
        "Blood Biomarkers",
        "Stress"
      ],
      "interventions": [
        {
          "name": "Pork-Based Protein Ready-to-Eat Meals",
          "type": "OTHER"
        },
        {
          "name": "Plant-Based Protein Ready-to-Eat Meals",
          "type": "OTHER"
        },
        {
          "name": "Carbohydrate-Focused Lower-Protein Ready-to-Eat Meals",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sam Houston State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-06-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-04T12:50:31.827Z",
      "location_count": 2,
      "location_summary": "Fort Worth, Texas • Huntsville, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        },
        {
          "city": "Huntsville",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07819565"
    },
    {
      "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": "2026-10-04T12:50:31.827Z",
      "location_count": 1,
      "location_summary": "Fairfield, California",
      "locations": [
        {
          "city": "Fairfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02661334"
    },
    {
      "nct_id": "NCT02818283",
      "title": "Soy Modulation of Immune Activation, LDL- Levels, and Lowering Inflammation by Pretzel Isoflavone Dietary Intervention",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Immunodeficiency Virus (HIV) Infection",
        "Hypercholesterolemia"
      ],
      "interventions": [
        {
          "name": "Soy Pretzel",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Wheat Pretzel",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2016-06",
      "completion_date": "2023-10",
      "has_results": false,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-10-04T12:50:31.827Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02818283"
    },
    {
      "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": "2026-10-04T12:50:31.827Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06818032"
    },
    {
      "nct_id": "NCT02110602",
      "title": "Dietary Intake and Circulating Levels of Branched Chain Amino Acids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Intake of Branched Chain Amino Acids"
      ],
      "interventions": [
        {
          "name": "Diet high in amino acid levels",
          "type": "OTHER"
        },
        {
          "name": "Diet low in amino acid levels",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "20 Years to 40 Years · Male only"
      },
      "enrollment_count": 5,
      "start_date": "2014-04",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2016-10-07",
      "last_synced_at": "2026-10-04T12:50:31.827Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02110602"
    }
  ]
}