{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ingestion+of+protein&page=4",
    "query": {
      "intervention": "Ingestion of protein",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 117,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ingestion+of+protein&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ingestion+of+protein&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T03:27:18.826Z",
  "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": "NCT04437225",
      "title": "Renal Metabolism of Glycolate to Oxalate",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Low oxalate controlled Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Primed, continuous intravenous infusion of 13C2-Glycolate",
          "type": "OTHER"
        },
        {
          "name": "Bolus intravenous infusion of 13C2-Glycolate",
          "type": "OTHER"
        },
        {
          "name": "Oral bolus administration of 13C2-Glycolate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 15,
      "start_date": "2020-03-12",
      "completion_date": "2030-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04437225"
    },
    {
      "nct_id": "NCT01814358",
      "title": "Whey Protein Effects on Gycemic Control and Vascular Function",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Blood Sugar (Glucose) Control",
        "Blood Vessel (Vascular) Dysfunction"
      ],
      "interventions": [
        {
          "name": "Whey protein powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Los Angeles",
      "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": 0,
      "start_date": "2013-03",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2023-10-02",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01814358"
    },
    {
      "nct_id": "NCT02190136",
      "title": "Yoga Improves Aerobic Fitness, Glycemia and Mood State and Reduces Abdominal Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Protein whole foods",
          "type": "OTHER"
        },
        {
          "name": "Protein Resistance Exercise Training",
          "type": "OTHER"
        },
        {
          "name": "Protein Stretching/Yoga Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Skidmore College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 60 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2006-12",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2014-07-15",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Saratoga Springs, New York",
      "locations": [
        {
          "city": "Saratoga Springs",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02190136"
    },
    {
      "nct_id": "NCT04121689",
      "title": "Time Course of Postprandial Protein Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Protein Synthesis",
        "Protein Metabolism"
      ],
      "interventions": [
        {
          "name": "Milk Protein Concentrate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 7,
      "start_date": "2014-10-01",
      "completion_date": "2019-08-26",
      "has_results": false,
      "last_update_posted_date": "2019-10-10",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04121689"
    },
    {
      "nct_id": "NCT02488889",
      "title": "Effects of Varenicline in Heavy Drinking Smokers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Alcohol Consumption"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo pill (for varenicline)",
          "type": "DRUG"
        },
        {
          "name": "Alcohol",
          "type": "DRUG"
        },
        {
          "name": "placebo beverage (for alcohol)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-08",
      "completion_date": "2016-07-17",
      "has_results": false,
      "last_update_posted_date": "2018-06-01",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02488889"
    },
    {
      "nct_id": "NCT00732524",
      "title": "Combination of Sulfonylureas and Insulin Glargine Outpatient Therapy for Unstable Diabetes and Impending DKA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Glipizide",
          "type": "DRUG"
        },
        {
          "name": "Glipizide and Glargine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cook County Health",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 80,
      "start_date": "2004-09",
      "completion_date": "2006-04",
      "has_results": false,
      "last_update_posted_date": "2008-08-12",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00732524"
    },
    {
      "nct_id": "NCT06701604",
      "title": "Changes in Amino Acid Absorption After Adding a Probiotic to an Acute Protein Feeding",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amino Acid Absorption",
        "Probiotic"
      ],
      "interventions": [
        {
          "name": "Single Strain Probiotic + Milk Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo + Milk Protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The Archer-Daniels-Midland Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-12-02",
      "completion_date": "2026-01-15",
      "has_results": false,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Belton, Texas",
      "locations": [
        {
          "city": "Belton",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06701604"
    },
    {
      "nct_id": "NCT03190070",
      "title": "Measurement of Renal Functional Reserve",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "Ingestion of protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2017-07-12",
      "completion_date": "2021-12-01",
      "has_results": false,
      "last_update_posted_date": "2022-08-10",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03190070"
    },
    {
      "nct_id": "NCT07020741",
      "title": "Stable Isotopes- Adults With Obesity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obese Patients (BMI ≥ 30 kg/m²)",
        "Glucose Metabolism",
        "Protein Metabolism"
      ],
      "interventions": [
        {
          "name": "Indispensable Amino Acid Oxidation",
          "type": "PROCEDURE"
        },
        {
          "name": "Stable Isotope Oral Glucose Tolerance Test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "19 Years to 59 Years"
      },
      "enrollment_count": 8,
      "start_date": "2025-09-12",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07020741"
    },
    {
      "nct_id": "NCT01202019",
      "title": "Effects of Exercise in People With Tetraplegia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injury",
        "Tetraplegia"
      ],
      "interventions": [
        {
          "name": "Circuit Resistance Training (CRT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2008-03",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2014-07-22",
      "last_synced_at": "2026-10-08T03:27:18.826Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01202019"
    }
  ]
}