{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Cysteine+Diet",
    "query": {
      "intervention": "High Cysteine Diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T05:04:45.508Z",
  "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": "NCT00915200",
      "title": "N-Acetylcysteine and Milk Thistle for Treatment of Diabetic Nephropathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetic Nephropathies",
        "Proteinuria",
        "Oxidative Stress"
      ],
      "interventions": [
        {
          "name": "N-acetylcysteine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "silibin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "high-dose silibin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "N-acetylcysteine placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "silibin placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "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": 114,
      "start_date": "2009-10",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-06-27",
      "last_synced_at": "2026-09-10T05:04:45.508Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00915200"
    },
    {
      "nct_id": "NCT06802276",
      "title": "Smart Underwear to Measure Diet-Induced Hydrogen Sulfide Production",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hydrogen Sulfide",
        "Gastrointestinal Microbiome"
      ],
      "interventions": [
        {
          "name": "High Cysteine Diet",
          "type": "OTHER"
        },
        {
          "name": "Low Cysteine Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2025-05-21",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-10T05:04:45.508Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06802276"
    },
    {
      "nct_id": "NCT03008889",
      "title": "A Feasibility Study of N-acetylcysteine for Self-injurious Behavior in Children With Autism Spectrum Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "N-acetylcysteine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 8,
      "start_date": "2018-07-05",
      "completion_date": "2019-09-12",
      "has_results": true,
      "last_update_posted_date": "2021-01-26",
      "last_synced_at": "2026-09-10T05:04:45.508Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03008889"
    },
    {
      "nct_id": "NCT06002269",
      "title": "A Home-based Lifestyle Intervention for Optimizing Surgical Outcomes Among Urinary Bladder Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bladder Cancer",
        "Cystectomy",
        "Chemotherapy"
      ],
      "interventions": [
        {
          "name": "Dietary and Exercise Intervention",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2024-06-04",
      "completion_date": "2025-07-08",
      "has_results": false,
      "last_update_posted_date": "2025-07-20",
      "last_synced_at": "2026-09-10T05:04:45.508Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06002269"
    },
    {
      "nct_id": "NCT05664789",
      "title": "Targeting the Neurobiology of RRB in Autism Using N-acetylcysteine: Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "N acetyl cysteine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "3 Years to 12 Years"
      },
      "enrollment_count": 144,
      "start_date": "2023-04-26",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-09-10T05:04:45.508Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05664789"
    },
    {
      "nct_id": "NCT07086833",
      "title": "The Food Environment, Microbial Cysteine Metabolism, and Cancer Disparities",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Low Cysteine Diet",
          "type": "OTHER"
        },
        {
          "name": "High Cysteine Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2025-08-18",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-09-10T05:04:45.508Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • West Lafayette, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07086833"
    },
    {
      "nct_id": "NCT01515839",
      "title": "Single Photon Emission Computed Tomography (SPECT) Imaging Study of Professional American Football Players",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Multivitamin Supplement intervention",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Amen Clinics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 100,
      "start_date": "2009-05",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2012-01-24",
      "last_synced_at": "2026-09-10T05:04:45.508Z",
      "location_count": 1,
      "location_summary": "Newport Beach, California",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01515839"
    },
    {
      "nct_id": "NCT01386645",
      "title": "Effect of Dietary Glycemic Index on Beta-cell Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Impaired Glucose Tolerance",
        "Oxidative Stress",
        "Prediabetes",
        "Impaired Fasting Glucose"
      ],
      "interventions": [
        {
          "name": "low glycemic index (LGI) diet",
          "type": "OTHER"
        },
        {
          "name": "high glycemic index (HGI) diet plus placebo (PLAC)",
          "type": "OTHER"
        },
        {
          "name": "high glycemic index diet plus N-acetylcysteine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Seattle Institute for Biomedical and Clinical Research",
      "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": 56,
      "start_date": "2011-07",
      "completion_date": "2019-08-01",
      "has_results": true,
      "last_update_posted_date": "2020-08-12",
      "last_synced_at": "2026-09-10T05:04:45.508Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01386645"
    }
  ]
}