{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metabolic+response+to+protein+source",
    "query": {
      "intervention": "Metabolic response to protein source"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T22:35:49.399Z",
  "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": "NCT07142603",
      "title": "Appetite Response to Meals With Different Protein Sources in Women With PCOS",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome (PCOS)"
      ],
      "interventions": [
        {
          "name": "Metabolic response to protein source",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Arkansas, Fayetteville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2025-08-18",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-02",
      "last_synced_at": "2026-09-25T22:35:49.399Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07142603"
    },
    {
      "nct_id": "NCT07121010",
      "title": "How Animal and Plant Protein Shakes Change the Body's Nutrient and Health Responses",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiometabolic Health"
      ],
      "interventions": [
        {
          "name": "Animal-Based Protein Smoothie",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Plant-Based Protein Smoothie",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Plant-Based Protein Smoothie with Leucine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-03-24",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-09-25T22:35:49.399Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07121010"
    },
    {
      "nct_id": "NCT01068197",
      "title": "Low Glycemic Load Diets in Latino Children at Risk for Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Obesity",
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Low Glycemic Load Diet versus Low Fat Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nazrat Mirza",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "7 Years to 14 Years"
      },
      "enrollment_count": 113,
      "start_date": "2003-10",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2014-09-09",
      "last_synced_at": "2026-09-25T22:35:49.399Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01068197"
    },
    {
      "nct_id": "NCT06080932",
      "title": "Ketogenic Intervention in Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Ketosis"
      ],
      "interventions": [
        {
          "name": "Ketogenic Diet",
          "type": "OTHER"
        },
        {
          "name": "NIH Toolbox",
          "type": "OTHER"
        },
        {
          "name": "gradCPT",
          "type": "OTHER"
        },
        {
          "name": "Resting-state fMRI",
          "type": "OTHER"
        },
        {
          "name": "Task-fMRI",
          "type": "OTHER"
        },
        {
          "name": "CGM/CKM",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sleep Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Ketone/Glucose Monitoring",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Body Composition",
          "type": "OTHER"
        },
        {
          "name": "PHQ-9",
          "type": "BEHAVIORAL"
        },
        {
          "name": "WHO-5",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SKID",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "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": 30,
      "start_date": "2023-02-20",
      "completion_date": "2024-12-21",
      "has_results": false,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-09-25T22:35:49.399Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06080932"
    },
    {
      "nct_id": "NCT01050101",
      "title": "The Effects of Fiber on Appetite and Digestion Hormones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychological Phenomena and Processes",
        "Nutrition Physiological Phenomena"
      ],
      "interventions": [
        {
          "name": "No fiber",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low GI high fiber viscous meal",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low GI high fiber non-viscous",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Clinical Nutrition Research Center, Illinois Institute of Technology",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2008-08-01",
      "completion_date": "2018-12-19",
      "has_results": false,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-09-25T22:35:49.399Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01050101"
    }
  ]
}