{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Whey+protein+supplementation&page=4",
    "query": {
      "intervention": "Whey protein supplementation",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Whey+protein+supplementation&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Whey+protein+supplementation&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T15:24:32.366Z",
  "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": "NCT05268042",
      "title": "Moderately Carbohydrate-restricted Diet to Treat NAFLD in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-Alcoholic Fatty Liver Disease",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Moderately carbohydrate-restricted diet",
          "type": "OTHER"
        },
        {
          "name": "Fat-restricted diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 50,
      "start_date": "2022-05-01",
      "completion_date": "2026-07-21",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05268042"
    },
    {
      "nct_id": "NCT04655131",
      "title": "Effect of Protein Intake on Post Prandial Hyperglycemia in Children and Adolescents With Type1 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 1",
        "Hyperglycemia, Postprandial"
      ],
      "interventions": [
        {
          "name": "Whey protein isolate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 11,
      "start_date": "2018-06-18",
      "completion_date": "2018-11-25",
      "has_results": false,
      "last_update_posted_date": "2020-12-07",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04655131"
    },
    {
      "nct_id": "NCT05427279",
      "title": "Effects of Vitamin C Enriched Hydrolyzed Collagen, PrimaColl™, Whey Protein, or Placebo on Collagen Synthesis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Effect of Food Supplement"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Hydrolized Collagen",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "PrimaColl",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Whey protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 20,
      "start_date": "2022-10-05",
      "completion_date": "2024-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05427279"
    },
    {
      "nct_id": "NCT02208622",
      "title": "Bioavailability of Zinc and Iron From a Whey-based Protein Supplement Consumed With a Habitual Plant-based Diet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutritional Deficiency"
      ],
      "interventions": [
        {
          "name": "Study 1: Whey Supplement Day 1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Study 1: Whey Supplement Day 2",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Study 2: Whey Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "3 Years",
        "sex": "ALL",
        "summary": "2 Years to 3 Years"
      },
      "enrollment_count": 50,
      "start_date": "2013-08",
      "completion_date": "2018-04-30",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02208622"
    },
    {
      "nct_id": "NCT01830946",
      "title": "Nighttime Macronutrient Choice and Combined Resistance and High-intensity Interval Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Whey Protein",
          "type": "OTHER"
        },
        {
          "name": "Combined Resistance and High-Intensity Interval training",
          "type": "OTHER"
        },
        {
          "name": "Casein Protein",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Florida State 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": 59,
      "start_date": "2011-09",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2013-04-15",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01830946"
    },
    {
      "nct_id": "NCT04845282",
      "title": "Effects of Graded Protein Intake on Body Composition in Older Adults",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "Graded Protein plus Resistance Training",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "RDA Protein plus Resistance Training",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "55 Years to 110 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-08-28",
      "completion_date": "2022-07",
      "has_results": false,
      "last_update_posted_date": "2022-04-27",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04845282"
    },
    {
      "nct_id": "NCT07420933",
      "title": "Pea vs Whey Protein Supplementation With Resistance Training on Young Adults' Strength, Body Composition, and Metabolic Parameters",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "Protein Isolate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Progressive Resistance Exercise Training (PRE)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "Texas Woman's University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 34,
      "start_date": "2024-02-03",
      "completion_date": "2025-12-06",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07420933"
    },
    {
      "nct_id": "NCT01234441",
      "title": "Intra Hemodialytic Oral Protein and Exercise (IHOPE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Protein + Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 138,
      "start_date": "2010-12",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Urbana, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01234441"
    },
    {
      "nct_id": "NCT07121010",
      "title": "How Animal and Plant Protein Shakes Change the Body's Nutrient and Health Responses",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiometabolic Health"
      ],
      "interventions": [
        {
          "name": "Animal-Based Protein Smoothie",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Plant-Based Protein Smoothie",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Plant-Based Protein Smoothie with Leucine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-03-24",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07121010"
    },
    {
      "nct_id": "NCT06172543",
      "title": "The Effects of Nutritional Supplementation on Occupational Performance in Firefighters",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "Creatine Monohydrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ward Dobbs",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 30,
      "start_date": "2023-03-01",
      "completion_date": "2023-08-01",
      "has_results": false,
      "last_update_posted_date": "2023-12-15",
      "last_synced_at": "2026-10-09T15:24:32.366Z",
      "location_count": 1,
      "location_summary": "La Crosse, Wisconsin",
      "locations": [
        {
          "city": "La Crosse",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06172543"
    }
  ]
}