{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Protein+Diet&page=2",
    "query": {
      "intervention": "Protein Diet",
      "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+Diet&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T21:07:16.208Z",
  "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": "NCT03134014",
      "title": "High Protein Breakfast on Weight Management and Glycemic Control in 'Breakfast-skipping' Teens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breakfast",
        "Appetitive Behavior"
      ],
      "interventions": [
        {
          "name": "Breakfast",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "15 Years to 21 Years"
      },
      "enrollment_count": 26,
      "start_date": "2016-12-12",
      "completion_date": "2018-05-11",
      "has_results": false,
      "last_update_posted_date": "2019-05-02",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03134014"
    },
    {
      "nct_id": "NCT05460247",
      "title": "Protein Sources Urinary Stone Risk",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone Prevention"
      ],
      "interventions": [
        {
          "name": "Protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 14,
      "start_date": "2022-10-30",
      "completion_date": "2023-07-30",
      "has_results": false,
      "last_update_posted_date": "2023-04-24",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05460247"
    },
    {
      "nct_id": "NCT07113431",
      "title": "Partial-enteral Nutrition Protocol for Crohn's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Crohn's Disease(CD)"
      ],
      "interventions": [
        {
          "name": "IBD-AID diet combined with Kate Farms Peptide 1.5",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "IBD-AID diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Kate Farms Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2023-08-01",
      "completion_date": "2025-10-24",
      "has_results": false,
      "last_update_posted_date": "2025-12-09",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07113431"
    },
    {
      "nct_id": "NCT02037295",
      "title": "Investigation of the Gut Microbiota in Regulating Nutrient Absorption in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Vancomycin",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "DRUG"
        },
        {
          "name": "Overfeeding diet (OF)",
          "type": "OTHER"
        },
        {
          "name": "Underfeeding diet (UF)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 27,
      "start_date": "2014-01-14",
      "completion_date": "2019-03-29",
      "has_results": true,
      "last_update_posted_date": "2020-07-31",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02037295"
    },
    {
      "nct_id": "NCT00274339",
      "title": "Prevacid vs Lifestyle Modifications for the Treatment of LPR",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux"
      ],
      "interventions": [
        {
          "name": "Prevacid 30mg BID",
          "type": "DRUG"
        },
        {
          "name": "Lifestyle changes of exercise and diet changes for weight loss and avoidance of reflux inducing foods.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Hodge, Kenneth M., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 135,
      "start_date": "2005-12",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2007-06-25",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00274339"
    },
    {
      "nct_id": "NCT04570111",
      "title": "MOD Diet in Gestational Diabetes Mellitus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gestational Diabetes"
      ],
      "interventions": [
        {
          "name": "MOD Diet",
          "type": "OTHER"
        },
        {
          "name": "Standard Care Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 6,
      "start_date": "2021-01-22",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2022-09-10",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04570111"
    },
    {
      "nct_id": "NCT00723385",
      "title": "Effects of Vitamin D on Lipids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypercholesterolemia",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D (1000 or 2000 IU/day)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "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": 130,
      "start_date": "2008-07",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2015-04-08",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00723385"
    },
    {
      "nct_id": "NCT06507735",
      "title": "The Effects of Mannose Supplementation on Glycosylation and Protein Levels in Human Sera",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physiological Stress"
      ],
      "interventions": [
        {
          "name": "Mannose",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "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": 6,
      "start_date": "2024-10-29",
      "completion_date": "2024-11-06",
      "has_results": false,
      "last_update_posted_date": "2025-02-27",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06507735"
    },
    {
      "nct_id": "NCT02078375",
      "title": "The PRESS RA: Protein and Resistance Exercise Supplementation Study for Rheumatoid Arthritis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Carbohydrate (Placebo)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Resistance Exercise Program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "60 Years to 95 Years"
      },
      "enrollment_count": 23,
      "start_date": "2014-02",
      "completion_date": "2018-07-01",
      "has_results": false,
      "last_update_posted_date": "2019-04-09",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02078375"
    },
    {
      "nct_id": "NCT00003367",
      "title": "Diet and PSA Levels in Patients With Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "green tea",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "soy protein isolate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "vitamin E",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 154,
      "start_date": "1998-04",
      "completion_date": "2002-12",
      "has_results": false,
      "last_update_posted_date": "2013-06-26",
      "last_synced_at": "2026-09-28T21:07:16.208Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003367"
    }
  ]
}