{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ingestion+of+protein",
    "query": {
      "intervention": "Ingestion of protein"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 118,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ingestion+of+protein&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T04:54:41.136Z",
  "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": "NCT02203799",
      "title": "Peanut Oral Immunotherapy in Children With Peanut Allergy (Peanut Flour)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Peanut Allergic Subjects"
      ],
      "interventions": [
        {
          "name": "Peanut Oral Immunotherapy (POIT)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "5 Years to 16 Years"
      },
      "enrollment_count": 15,
      "start_date": "2014-07-31",
      "completion_date": "2020-02-11",
      "has_results": true,
      "last_update_posted_date": "2024-01-19",
      "last_synced_at": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02203799"
    },
    {
      "nct_id": "NCT05347602",
      "title": "Gold Factor on Knee Joint Health and Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Arthritis",
        "Knee Osteoarthritis",
        "Knee Pain Chronic",
        "Knee Discomfort",
        "Rheumatoid Arthritis",
        "Knee Pain Swelling"
      ],
      "interventions": [
        {
          "name": "Gold Factor (Gold Nanoparticles, AuNPs)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "4Life Research, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "87 Years",
        "sex": "ALL",
        "summary": "18 Years to 87 Years"
      },
      "enrollment_count": 51,
      "start_date": "2020-08-03",
      "completion_date": "2020-12-30",
      "has_results": false,
      "last_update_posted_date": "2022-07-12",
      "last_synced_at": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05347602"
    },
    {
      "nct_id": "NCT05610644",
      "title": "Impact of Time Restricted Feeding on Daily Protein Requirements",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition Disorders in Old Age"
      ],
      "interventions": [
        {
          "name": "isocaloric, isonitrogenous meals",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 61,
      "start_date": "2023-03-29",
      "completion_date": "2024-10-03",
      "has_results": false,
      "last_update_posted_date": "2024-12-20",
      "last_synced_at": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05610644"
    },
    {
      "nct_id": "NCT07367854",
      "title": "Diet Synergy in Muscle Protein Synthesis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Protein Synthetic Response to Protein",
        "Muscle Protein Synthesis",
        "Muscle Health",
        "Protein Metabolism",
        "Recreational Activities",
        "Isotope Labeling"
      ],
      "interventions": [
        {
          "name": "Resistance Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Potato and Beef",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Bread and Beef",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Beef",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "19 Years to 40 Years"
      },
      "enrollment_count": 15,
      "start_date": "2026-03-01",
      "completion_date": "2028-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07367854"
    },
    {
      "nct_id": "NCT02918981",
      "title": "Nutritional Strategies to Augment the Postprandial Muscle Protein Synthetic Response to the Ingestion of a Low Dose of Protein in Middle-aged Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Resistance Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "14 g Whey protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "6.6 g Whey protein + 1.25 g leucine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "4 g Whey protein + 1.25 g leucine + 2.6 g Whey peptides",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "6.6 g Whey protein + 1.25 g leucine + 0.8 g Citrulline",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Water control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "79 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 79 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2016-10",
      "completion_date": "2019-03-06",
      "has_results": false,
      "last_update_posted_date": "2020-11-03",
      "last_synced_at": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02918981"
    },
    {
      "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": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "Belton, Texas",
      "locations": [
        {
          "city": "Belton",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06701604"
    },
    {
      "nct_id": "NCT04946552",
      "title": "Sympathetic Activation in Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PET Scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Mixed Meal Test",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Muscle sympathetic nerve activity (MSNA)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Oral Glucose Tolerance Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Body Composition, Percent Body Fat & Percent Body Water (Tanita scale)",
          "type": "OTHER"
        },
        {
          "name": "CT Scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Body Composition, Percent Body Fat & Percent Body Water (DXA Scan)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Yale 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": 5,
      "start_date": "2021-11-23",
      "completion_date": "2022-09-30",
      "has_results": true,
      "last_update_posted_date": "2024-02-16",
      "last_synced_at": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04946552"
    },
    {
      "nct_id": "NCT06016478",
      "title": "The Effect of 4 Weeks of L-Citrulline Supplementation on Macro- and Microvascular Function in Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "L-citrulline",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas Tech University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 36,
      "start_date": "2023-05-01",
      "completion_date": "2024-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06016478"
    },
    {
      "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": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00732524"
    },
    {
      "nct_id": "NCT01502280",
      "title": "Fluorescence-guided Surgery for Low- and High-grade Gliomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Glioma"
      ],
      "interventions": [
        {
          "name": "5-Aminolevulinic acid (ALA)",
          "type": "DRUG"
        },
        {
          "name": "Placebo - ascorbic acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Joseph's Hospital and Medical Center, Phoenix",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 127,
      "start_date": "2010-11",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2023-11-24",
      "last_synced_at": "2026-09-22T04:54:41.136Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01502280"
    }
  ]
}