{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Low+protein+diet",
    "query": {
      "intervention": "Low protein diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 307,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Low+protein+diet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T10:49:04.870Z",
  "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": "NCT00760552",
      "title": "Trial of Low and High Intensity Strategies to Maintain BP Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "High Intensity Intervention",
          "type": "OTHER"
        },
        {
          "name": "Low Intensity Intervention",
          "type": "OTHER"
        },
        {
          "name": "All- 6 month pharmacist intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 249,
      "start_date": "2009-11",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-04-27",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00760552"
    },
    {
      "nct_id": "NCT03904615",
      "title": "Geriatric Recovery Using Inpatient and Post-hospitalization Supplementation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Whey Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Collagen Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 116,
      "start_date": "2019-06-19",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-19",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 2,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        },
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03904615"
    },
    {
      "nct_id": "NCT00200720",
      "title": "Effectiveness of a Low Carbohydrate Diet Versus a High Carbohydrate Diet in Promoting Weight Loss and Improved Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Atkins diet (low carbohydrate diet)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DASH diet (high carbohydrate diet)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 260,
      "start_date": "2005-04",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2012-12-06",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00200720"
    },
    {
      "nct_id": "NCT07546942",
      "title": "Autism Spectrum Disorder (ASD) Neurodevelopmental Disorder With Issues Social Behavior, Communication Issues, GI Dysfunction. Study is Multimodal Interventions Targeting These Pathways With cSVF, Stored MSCs, FMT and Diet Modification. Role of Autoimmunity, Gut-brain Issues, & Issues Examined.",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Autism Spectrum Disorder",
        "Autism",
        "Autism Spectral Disorder"
      ],
      "interventions": [
        {
          "name": "Autologous MSC isolation, concentration, and cryopreservation of adult mesenchymal stem cells",
          "type": "PROCEDURE"
        },
        {
          "name": "Fecal Biomicrome Transplantation (FMT)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ketogenic RESET Diet Protocol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Trial combines use of cSVF and MSCs (cryopres) with diet modification and FMT (fecal material Transplant in adult ASD patients",
          "type": "BEHAVIORAL"
        },
        {
          "name": "FMT (Fecal Material Tranplantation)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Use autologous cSVF + MSCs (cryo) for management of autoimmune component, anti-inflammatory and immune modulation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL",
        "BIOLOGICAL"
      ],
      "sponsor": "Black Tie Medical, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "10 Years to 90 Years"
      },
      "enrollment_count": 50,
      "start_date": "2026-04-30",
      "completion_date": "2030-08-14",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 2,
      "location_summary": "Hamilton, Montana",
      "locations": [
        {
          "city": "Hamilton",
          "state": "Montana"
        },
        {
          "city": "Hamilton",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07546942"
    },
    {
      "nct_id": "NCT05708352",
      "title": "A Phase 2 Study of the Ketogenic Diet vs Standard Anti-cancer Diet Guidance for Patients With Glioblastoma in Combination With Standard-of-care Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma Multiforme"
      ],
      "interventions": [
        {
          "name": "Keto Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Anti-Cancer Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 170,
      "start_date": "2023-06-27",
      "completion_date": "2029-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • San Francisco, California • Santa Monica, California + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05708352"
    },
    {
      "nct_id": "NCT01275365",
      "title": "Optimizing Protein Intake in Older Americans With Mobility Limitations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Mobility Limitation"
      ],
      "interventions": [
        {
          "name": "Testosterone enanthate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "65 Years and older · Male only"
      },
      "enrollment_count": 92,
      "start_date": "2011-05",
      "completion_date": "2017-01-19",
      "has_results": true,
      "last_update_posted_date": "2021-07-29",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01275365"
    },
    {
      "nct_id": "NCT07745699",
      "title": "Fully Remote, Telehealth-based Ketogenic Metabolic Therapy for Long COVID",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Long COVID Fatigue"
      ],
      "interventions": [
        {
          "name": "Ketogenic Metabolic Therapy",
          "type": "OTHER"
        },
        {
          "name": "Lifestyle Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "National University of Natural Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2024-12-10",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07745699"
    },
    {
      "nct_id": "NCT04861571",
      "title": "Effect of VLCD on the Reduction of Liver Steatosis and Fibrosis in Subjects With Obesity and NAFLD",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "NAFLD"
      ],
      "interventions": [
        {
          "name": "Dietary intervention with very low calorie diet (VLCD)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control Arm",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2023-10-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04861571"
    },
    {
      "nct_id": "NCT02092545",
      "title": "Heart Obesity Prevention Education",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Ketogenic diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tampa General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "64 Years",
        "sex": "MALE",
        "summary": "25 Years to 64 Years · Male only"
      },
      "enrollment_count": 7,
      "start_date": "2014-05",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2014-12-19",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02092545"
    },
    {
      "nct_id": "NCT00073242",
      "title": "Low-Dose Leptin and the Formerly-Obese",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Leptin",
          "type": "DRUG"
        },
        {
          "name": "Dietary modification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "T3 repletion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "19 Years to 45 Years"
      },
      "enrollment_count": 25,
      "start_date": "2000-07",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-09-16T10:49:04.870Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00073242"
    }
  ]
}