{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=protein+powder+supplement&page=2",
    "query": {
      "intervention": "protein powder supplement",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 62,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=protein+powder+supplement&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=protein+powder+supplement&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T07:04:21.451Z",
  "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": "NCT00912210",
      "title": "Higher Protein Diet and Exercise for Optimal Weight Loss in Elderly Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bone and Body Composition",
        "Obesity",
        "Metabolic Syndrome",
        "Physical Function",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Whey protein isolate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Maltodextrin powder supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "60 Years to 80 Years · Female only"
      },
      "enrollment_count": 31,
      "start_date": "2009-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-06-03",
      "last_synced_at": "2026-10-02T07:04:21.451Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00912210"
    },
    {
      "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": "2026-10-02T07:04:21.451Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04350762"
    },
    {
      "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": "2026-10-02T07:04:21.451Z",
      "location_count": 1,
      "location_summary": "La Crosse, Wisconsin",
      "locations": [
        {
          "city": "La Crosse",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06172543"
    },
    {
      "nct_id": "NCT02681601",
      "title": "Nutrition Support to Improve Outcomes in Patients With Unresectable Pancreatic Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer of Pancreas"
      ],
      "interventions": [
        {
          "name": "Nutrawell Powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Diet Only",
          "type": "OTHER"
        },
        {
          "name": "OmegaRich fish oil supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 2,
      "start_date": "2016-07-19",
      "completion_date": "2021-10-01",
      "has_results": false,
      "last_update_posted_date": "2022-08-03",
      "last_synced_at": "2026-10-02T07:04:21.451Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02681601"
    },
    {
      "nct_id": "NCT04675775",
      "title": "The BRAINFOOD Trial to Prevent Recurrent Hepatic Encephalopathy.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cirrhosis",
        "Ascites",
        "Liver Diseases",
        "Frailty",
        "Sarcopenia",
        "Hepatic Encephalopathy"
      ],
      "interventions": [
        {
          "name": "Medically-tailored meals (MTM)",
          "type": "OTHER"
        },
        {
          "name": "Protein supplements",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nutrition education handout",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2021-01-21",
      "completion_date": "2023-03-05",
      "has_results": true,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-10-02T07:04:21.451Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04675775"
    },
    {
      "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": "2026-10-02T07:04:21.451Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05482997"
    },
    {
      "nct_id": "NCT02792270",
      "title": "Caloric Restriction In Sarcoma Patients Treated With Pre-Operative RT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tumor Surgery"
      ],
      "interventions": [
        {
          "name": "Caloric Restriction Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2016-06",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-10-02T07:04:21.451Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02792270"
    },
    {
      "nct_id": "NCT05667701",
      "title": "Soy Isoflavones For Inner City Infants At Risk For Asthma (SIRA) Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Wheezing",
        "Asthma in Children"
      ],
      "interventions": [
        {
          "name": "Soy isoflavone",
          "type": "DRUG"
        },
        {
          "name": "matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rajesh Kumar",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "2 Months to 12 Months"
      },
      "enrollment_count": 65,
      "start_date": "2024-09-18",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-10-02T07:04:21.451Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05667701"
    },
    {
      "nct_id": "NCT03667118",
      "title": "Introduction and Maintenance of Still Eating Protein Blends in Support of Infant Nutritional Goals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Allergy"
      ],
      "interventions": [
        {
          "name": "Food Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Months",
        "maximum_age": "11 Months",
        "sex": "ALL",
        "summary": "5 Months to 11 Months"
      },
      "enrollment_count": 705,
      "start_date": "2017-06-18",
      "completion_date": "2017-10-09",
      "has_results": false,
      "last_update_posted_date": "2019-03-13",
      "last_synced_at": "2026-10-02T07:04:21.451Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03667118"
    },
    {
      "nct_id": "NCT01803594",
      "title": "Feeding Trial to Determine How Combinations of Different Dietary Bioactive Ingredients Influence High Density Lipoprotein (HDL) Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dyslipidemia"
      ],
      "interventions": [
        {
          "name": "Krill Oil",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Lutein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nicotinic acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dairy phospholipids",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2012-08",
      "completion_date": "2015-03-13",
      "has_results": false,
      "last_update_posted_date": "2022-09-30",
      "last_synced_at": "2026-10-02T07:04:21.451Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01803594"
    }
  ]
}