{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=protein+and+meal+frequency",
    "query": {
      "intervention": "protein and meal frequency"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=protein+and+meal+frequency&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T16:51:43.692Z",
  "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": "NCT01257737",
      "title": "To Evaluate the Safety of Long-term Use of HPN-100 in the Management of Urea Cycle Disorders (UCDs)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urea Cycle Disorders"
      ],
      "interventions": [
        {
          "name": "HPN-100",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 88,
      "start_date": "2010-10-04",
      "completion_date": "2017-02-16",
      "has_results": true,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-09-26T16:51:43.692Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • Palo Alto, California • Aurora, Colorado + 12 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01257737"
    },
    {
      "nct_id": "NCT01749449",
      "title": "Increased Dietary Protein and Meal Frequency Reduces Total and Abdominal Body Fat During Weight Maintenance and Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "protein and meal frequency",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Skidmore College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "30 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2005-01",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2012-12-13",
      "last_synced_at": "2026-09-26T16:51:43.692Z",
      "location_count": 1,
      "location_summary": "Saratoga Springs, New York",
      "locations": [
        {
          "city": "Saratoga Springs",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01749449"
    },
    {
      "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": "2026-09-26T16:51:43.692Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04946552"
    },
    {
      "nct_id": "NCT06487507",
      "title": "Metabolic Impact and Compliance of Controlled, Varying, Mediterranean Diets in Pre-Surgical Prostate Cancer Populations (PROVISIONS)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Low fat diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lower carbohydrate diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "18 Years to 80 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2025-04-17",
      "completion_date": "2027-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-09-26T16:51:43.692Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06487507"
    },
    {
      "nct_id": "NCT02348853",
      "title": "Healthy Families Healthy Forces Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Healthy Weight for Living (HWL)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Current Best Practice (CBP)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 308,
      "start_date": "2015-01",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2020-08-05",
      "last_synced_at": "2026-09-26T16:51:43.692Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02348853"
    },
    {
      "nct_id": "NCT01819129",
      "title": "Efficacy and Safety of FIAsp Compared to Insulin Aspart in Combination With Insulin Glargine and Metformin in Adults With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes",
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Faster-acting insulin aspart",
          "type": "DRUG"
        },
        {
          "name": "Insulin aspart",
          "type": "DRUG"
        },
        {
          "name": "Insulin glargine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 881,
      "start_date": "2013-09-09",
      "completion_date": "2015-01-22",
      "has_results": true,
      "last_update_posted_date": "2019-01-30",
      "last_synced_at": "2026-09-26T16:51:43.692Z",
      "location_count": 77,
      "location_summary": "Glendale, Arizona • Mesa, Arizona • Phoenix, Arizona + 68 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01819129"
    },
    {
      "nct_id": "NCT04232254",
      "title": "Defining Beef and Meal Frequency as Key Components of a Healthy Eating Pattern for Muscle Health and Wellbeing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Meal Frequency",
        "Dietary Habits",
        "Muscle Protein Synthesis"
      ],
      "interventions": [
        {
          "name": "Animal-based Protein Foods",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Skewed Protein Distribution",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Plant-based Protein Foods",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Balanced Protein Distribution",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "20 Years to 40 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-06-01",
      "completion_date": "2024-03-14",
      "has_results": false,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-09-26T16:51:43.692Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04232254"
    },
    {
      "nct_id": "NCT04622007",
      "title": "Tomivosertib Combined With Pembrolizumab in Subjects With PD-L1 Positive NSCLC (KICKSTART)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Tomivosertib",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pemetrexed",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Effector Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2021-06-02",
      "completion_date": "2024-12-09",
      "has_results": false,
      "last_update_posted_date": "2024-04-30",
      "last_synced_at": "2026-09-26T16:51:43.692Z",
      "location_count": 131,
      "location_summary": "Daphne, Alabama • Mobile, Alabama • Glendale, Arizona + 105 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04622007"
    },
    {
      "nct_id": "NCT01171716",
      "title": "The Body's Response to Changes in Dietary Protein and Meal-Frequency In Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Protein Dietary Intake",
        "High Protein Dietary Intake"
      ],
      "interventions": [
        {
          "name": "Meal Patterning",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "21 Years and older · Male only"
      },
      "enrollment_count": 13,
      "start_date": "2007-09",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2013-01-17",
      "last_synced_at": "2026-09-26T16:51:43.692Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01171716"
    },
    {
      "nct_id": "NCT05353322",
      "title": "Breaking up Prolonged Sedentary Behavior to Improve Cardiometabolic Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sedentary Behavior",
        "Cardiometabolic Risk Factors",
        "Blood Pressure",
        "Glucose"
      ],
      "interventions": [
        {
          "name": "Sedentary Break (Walking) Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sitting (Control) Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Controlled Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 324,
      "start_date": "2022-06-30",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-09-26T16:51:43.692Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05353322"
    }
  ]
}