{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Protein+supplements&page=2",
    "query": {
      "intervention": "Protein supplements",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Protein+supplements&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T19:55:22.560Z",
  "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": "NCT04350762",
      "title": "Nutritional Supplementation in the Elderly With Weight Loss",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "Protein shake + Fish Oil",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2019-09-05",
      "completion_date": "2020-12-15",
      "has_results": false,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04350762"
    },
    {
      "nct_id": "NCT02905370",
      "title": "Progressing Home Health Rehabilitation for Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Older Adults",
        "Physical Deconditioning"
      ],
      "interventions": [
        {
          "name": "Progressive Multi-Component (PMC)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care (EUC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "65 Years to 100 Years"
      },
      "enrollment_count": 353,
      "start_date": "2016-09-28",
      "completion_date": "2022-06-03",
      "has_results": false,
      "last_update_posted_date": "2024-03-07",
      "last_synced_at": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02905370"
    },
    {
      "nct_id": "NCT02353013",
      "title": "Effect of Protein Intake on Preterm Infant Body Composition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premature; Infant, Light-for-dates"
      ],
      "interventions": [
        {
          "name": "Protein supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Standard fortification",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Minute",
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "1 Minute to 1 Year"
      },
      "enrollment_count": 36,
      "start_date": "2014-12",
      "completion_date": "2017-10-01",
      "has_results": false,
      "last_update_posted_date": "2017-12-22",
      "last_synced_at": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02353013"
    },
    {
      "nct_id": "NCT00671970",
      "title": "Phase (Ph) II Bevacizumab + Erlotinib for Patients (Pts) With Recurrent Malignant Glioma (MG)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma",
        "Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "Bevacizumab and Erlotinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2007-02",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2013-05-13",
      "last_synced_at": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00671970"
    },
    {
      "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": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05268042"
    },
    {
      "nct_id": "NCT02033655",
      "title": "A High Protein Weight Loss Intervention for Sarcopenic Obesity in Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Protein supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Diet counseling and group education lessons",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 105,
      "start_date": "2014-03",
      "completion_date": "2018-08-22",
      "has_results": false,
      "last_update_posted_date": "2019-01-08",
      "last_synced_at": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02033655"
    },
    {
      "nct_id": "NCT01936246",
      "title": "Protein Supplementation in Infants With Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Perinatal Stroke",
        "Hypoxic-ischemic Encephalopathy",
        "White Matter Injury"
      ],
      "interventions": [
        {
          "name": "Increased protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Days",
        "maximum_age": "3 Weeks",
        "sex": "ALL",
        "summary": "2 Days to 3 Weeks"
      },
      "enrollment_count": 24,
      "start_date": "2012-08",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2017-07-06",
      "last_synced_at": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01936246"
    },
    {
      "nct_id": "NCT04612400",
      "title": "Whole Body Protein Metabolism of a Whey/EAA Supplement Using Continuous Oral Stable Isotopes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Oral amino acid tracer",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "21 Years to 40 Years"
      },
      "enrollment_count": 8,
      "start_date": "2020-11-04",
      "completion_date": "2021-09-06",
      "has_results": true,
      "last_update_posted_date": "2023-08-28",
      "last_synced_at": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04612400"
    },
    {
      "nct_id": "NCT01186536",
      "title": "Whey Protein, Resistance Training, and Changes in Body Composition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Whey Protein supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Soy Protein Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Carbohydrate supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Kansas",
      "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": 85,
      "start_date": "2007-06",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2012-11-09",
      "last_synced_at": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Lawrence, Kansas",
      "locations": [
        {
          "city": "Lawrence",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01186536"
    },
    {
      "nct_id": "NCT03493178",
      "title": "Glutathione in Mild Cognitive Impairment",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Glycine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "N-acetylcysteine (NAC)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Alanine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "55 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2018-04-19",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-08T19:55:22.560Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03493178"
    }
  ]
}