{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Protein+supplements",
    "query": {
      "intervention": "Protein supplements"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 272,
    "total_pages": 28,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Protein+supplements&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T03:12:19.522Z",
  "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": "NCT02327208",
      "title": "Lean Body Mass Response to Higher-protein Diets During Winter Military Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Body Weight"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Carbohydrate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2015-01",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "Natick, Massachusetts",
      "locations": [
        {
          "city": "Natick",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02327208"
    },
    {
      "nct_id": "NCT01860404",
      "title": "BCAA Supplementation for Concussion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain Concussion"
      ],
      "interventions": [
        {
          "name": "Branched Chain Amino Acids",
          "type": "DRUG"
        },
        {
          "name": "Placebo solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "34 Years",
        "sex": "ALL",
        "summary": "11 Years to 34 Years"
      },
      "enrollment_count": 42,
      "start_date": "2014-01",
      "completion_date": "2023-01",
      "has_results": true,
      "last_update_posted_date": "2024-05-14",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01860404"
    },
    {
      "nct_id": "NCT03569410",
      "title": "The Effect of Natural Protein vs. Protein Supplements on Peritoneal Dialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peritoneal Dialysis Complication",
        "Hypoalbuminemia",
        "Malnutrition"
      ],
      "interventions": [
        {
          "name": "increased protein intake via natural foods",
          "type": "BEHAVIORAL"
        },
        {
          "name": "increase protein intake via protein supplements",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2016-10",
      "completion_date": "2018-02",
      "has_results": false,
      "last_update_posted_date": "2018-06-26",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "Riverside, California",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03569410"
    },
    {
      "nct_id": "NCT05482997",
      "title": "Athlete Whey Protein Sensitivity: Prevalence and Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Intolerance"
      ],
      "interventions": [
        {
          "name": "Whey Protein Concentrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Pea Protein Isolate, Rice Protein Concentrate, Hemp Protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of the Incarnate Word",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2023-01-16",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-05",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05482997"
    },
    {
      "nct_id": "NCT03692507",
      "title": "Effects of Nutritional Preconditioning on the Patient's Outcomes After Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Abdominal/GI Surgery"
      ],
      "interventions": [
        {
          "name": "HMB",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Protein and HMB",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "ERAS",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-07-30",
      "completion_date": "2022-12-30",
      "has_results": false,
      "last_update_posted_date": "2021-07-02",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "Fresno, California",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03692507"
    },
    {
      "nct_id": "NCT05515614",
      "title": "Targeted Nutrition for Moderate to Late Preterm Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premature Birth",
        "Breastmilk Collection",
        "Postnatal Growth Restriction"
      ],
      "interventions": [
        {
          "name": "Targeted Fortification",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Enfamil Liquid Human Milk Fortifier",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 34,
      "start_date": "2022-08-17",
      "completion_date": "2023-05-11",
      "has_results": false,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05515614"
    },
    {
      "nct_id": "NCT07308483",
      "title": "Ketogenic Approach to Restore Muscle in Older Patients With Community-Acquired Pneumonia - KARMA-P Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pneumonia"
      ],
      "interventions": [
        {
          "name": "Ketogenic feeding",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard feeding",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-10-01",
      "completion_date": "2029-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07308483"
    },
    {
      "nct_id": "NCT06044935",
      "title": "Effect of Nicotinamide Riboside on Ketosis, Fat Oxidation & Metabolic Rate",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Standard Diet",
          "type": "OTHER"
        },
        {
          "name": "Ketogenic Diet",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nicotinamide Riboside",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 100,
      "start_date": "2024-01-08",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06044935"
    },
    {
      "nct_id": "NCT03071354",
      "title": "Improving Muscle Function in Nutritionally at Risk, Elderly Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Weakness",
        "ICU-acquired Weakness"
      ],
      "interventions": [
        {
          "name": "HMB protein supplement (3g)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nutritional Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2017-05-01",
      "completion_date": "2017-05-22",
      "has_results": false,
      "last_update_posted_date": "2018-02-05",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03071354"
    },
    {
      "nct_id": "NCT02490683",
      "title": "Effects of Soy Based Dietary Supplements on Cardiometabolic Risk Factors.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Cardiovascular Risk Factors"
      ],
      "interventions": [
        {
          "name": "Luna Rich X",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Reliv Now",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "35 Years to 75 Years"
      },
      "enrollment_count": 24,
      "start_date": "2015-10",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-05-12",
      "last_synced_at": "2026-09-06T03:12:19.522Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02490683"
    }
  ]
}